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NFI4
forest area
urgency of next treatment (interview survey) · forest type (12 classes)
unit of reference: production region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)forest type (12 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0-1 yearinaccessible forest0.0.0.0.0.0.0.0.0.0.0.0.
shrub forest0.0.0.0.0.0.0.0.0.0.0.0.
permanently unstocked forest area0.4711.4380.4710.8500.0.3.026
forest aisles, embankments0.21000.4710.0.0.4710.0.1.045
permanently open stand0.6580.0.0.4710.6580.21001.933
selva, plantation0.0.0.0.0.0.0.0.0.0.0.0.
coppice forest0.0.0.0.0.0.0.0.0.4700.470
coppice with standards0.0.0.0.0.21000.0.0.21000.471
selection type high forest1.4380.4710.6581.0450.21003.624
non-uniform high forest3.8231.6351.0451.4380.6588.415
imcomplete0.0.0.0.0.0.0.0.0.0.0.0.
uniform high forest19.81025.5811.71310.6131.83369.35
total26.1829.3814.41214.7113.42488.05
2-5 yearsinaccessible forest0.0.0.0.0.0.0.0.0.0.0.0.
shrub forest0.0.0.0.0.0.0.0.0.0.0.0.
permanently unstocked forest area1.9322.2301.2410.8500.21006.318
forest aisles, embankments0.4700.21000.0.0.21000.0.0.850
permanently open stand1.8330.21000.0.2.2300.4714.621
selva, plantation0.0.0.21000.0.0.0.0.21000.471
coppice forest0.6580.21000.0.0.4711.6352.827
coppice with standards0.0.0.0.0.0.0.0.0.0.0.0.
selection type high forest2.7281.2412.2302.4290.4718.815
non-uniform high forest5.6196.3175.3196.1181.24124.59
imcomplete0.0.0.0.0.0.0.0.0.0.0.0.
uniform high forest47.6685.5435.2729.986.218204.33
total60.7595.9443.8642.1610.114252.62
6-10 yearsinaccessible forest0.0.0.0.0.0.0.0.0.0.0.0.
shrub forest0.0.0.0.0.0.0.0.0.0.0.0.
permanently unstocked forest area2.7271.2411.9330.4710.0.6.318
forest aisles, embankments0.21000.21000.21000.4710.4711.438
permanently open stand1.7350.21001.0452.0310.0.5.020
selva, plantation0.0.0.21000.0.0.21000.21000.658
coppice forest0.21000.0.0.21001.4382.9264.721
coppice with standards0.4710.0.0.0.0.0.0.7581.045
selection type high forest5.9183.1255.8192.8271.04518.510
non-uniform high forest5.4195.3196.8179.4141.93128.98
imcomplete0.0.0.0.0.0.0.0.0.0.0.0.
uniform high forest38.8655.8547.1636.377.716185.63
total55.3566.0563.0553.0614.811252.02
11-20 yearsinaccessible forest0.0.0.0.0.0.0.0.0.0.0.0.
shrub forest0.0.0.0.0.0.0.0.0.0.0.0.
permanently unstocked forest area1.0450.6581.0451.4380.21004.222
forest aisles, embankments0.21000.0.0.21000.4710.0.0.850
permanently open stand0.8500.0.0.8502.2300.21004.122
selva, plantation0.0.0.21000.0.0.0.0.0.0.2100
coppice forest0.0.0.21000.4711.0454.5216.018
coppice with standards0.0.0.0.0.0.0.0.0.4710.471
selection type high forest2.0310.4714.2226.6171.24114.412
non-uniform high forest4.4212.8278.81511.6132.13029.68
imcomplete0.0.0.0.0.0.0.0.0.0.0.0.
uniform high forest18.91015.41130.4835.776.917107.34
total27.3819.61045.7658.9515.411166.93
> 20 yearsinaccessible forest0.0.0.0.0.0.0.0.0.0.0.0.
shrub forest0.0.0.0.0.0.0.0.0.0.0.0.
permanently unstocked forest area0.8500.0.1.4384.4212.3299.015
forest aisles, embankments0.4710.0.0.4711.4380.8503.026
permanently open stand2.2301.0453.32523.6910.21440.37
selva, plantation0.0.0.0.0.0.0.0.1.6351.635
coppice forest0.4710.8500.8506.31820.3928.68
coppice with standards0.4710.0.0.0.0.4711.6352.429
selection type high forest1.2410.6586.41724.897.91540.97
non-uniform high forest5.9182.3299.31528.1817.01062.65
imcomplete0.0.0.0.0.0.0.0.0.0.0.0.
uniform high forest16.31110.21426.68113.3444.56210.83
total27.7814.91148.26202.22106.23399.22
totalinaccessible forest0.0.0.0.0.0.0.0.0.0.0.0.
shrub forest0.0.0.0.0.0.0.0.0.0.0.0.
permanently unstocked forest area6.8175.4196.0187.8162.72728.88
forest aisles, embankments1.4380.8500.8502.8271.2417.017
permanently open stand7.2161.4385.61930.7811.01355.86
selva, plantation0.0.0.6580.0.0.21002.1312.827
coppice forest1.2411.2411.4389.01529.7742.56
coppice with standards0.8500.0.0.21000.4712.9274.222
selection type high forest13.2125.71819.21037.6710.61386.25
non-uniform high forest25.1818.21031.1756.5522.99153.83
imcomplete0.0.0.0.0.0.0.0.0.0.0.0.
uniform high forest141.42192.41150.92225.8267.04777.41
total197.11225.71215.11370.81150.021158.71
© WSL, Swiss National Forest Inventory, 22.06.2020 #799176/265508
NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
0-1 yearless than 10 years ago13.82.20.0.3.82.64.70.78.52.85.91.712.512.45.62.80.80.36.01.87.11.88.92.42.72.61.81.34.01.33.82.64.31.70.0.14.33.10.20.23.12.25.41.11.00.42.82.811.32.04.40.3
11-20 years ago1.30.70.0.0.0.1.60.41.31.31.20.80.0.0.0.0.60.30.0.1.00.72.11.30.0.0.0.0.90.60.0.3.81.40.0.2.51.50.0.0.0.2.90.80.40.30.0.2.71.01.10.1
21-30 years ago0.0.4.03.92.52.50.70.31.91.31.50.80.0.0.0.0.50.30.60.60.0.0.70.70.0.1.11.10.0.0.0.2.11.20.0.0.0.0.20.20.0.0.60.40.0.0.0.1.30.80.60.1
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.10.60.60.50.50.0.0.0.0.0.0.0.0.0.0.0.0.90.90.0.0.50.30.0.0.20.20.0.0.0.0.50.50.20.1
41-50 years ago0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.20.20.0.0.0.0.10.0
over 50 years ago0.0.0.0.0.0.0.40.20.0.0.0.0.0.0.0.0.30.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.60.60.0.0.0.0.20.20.0.0.70.41.00.40.0.0.0.0.30.1
total15.12.34.03.96.33.67.60.911.63.38.52.112.512.45.62.82.50.67.22.08.62.011.72.72.72.62.91.74.91.43.82.610.82.50.90.916.73.41.10.53.12.210.01.42.50.72.82.815.72.36.70.3
2-5 yearsless than 10 years ago31.82.911.16.315.96.021.31.419.24.215.52.725.016.210.13.73.20.715.42.829.73.234.54.13.83.75.62.510.42.014.74.722.13.38.42.439.44.71.70.66.33.119.51.91.30.539.39.629.62.914.80.5
11-20 years ago4.71.44.14.11.91.94.70.87.62.83.71.30.0.1.31.32.60.67.72.15.41.67.72.33.63.51.11.14.41.38.43.69.52.41.51.16.92.51.40.54.62.55.91.10.80.44.34.34.81.44.00.3
21-30 years ago1.70.80.0.0.0.2.70.63.21.81.40.80.0.2.71.80.80.32.41.23.61.35.92.20.0.0.0.1.60.80.0.3.51.51.61.11.81.30.30.30.0.1.90.60.20.23.33.32.11.01.70.2
31-40 years ago0.40.43.03.00.0.0.60.30.0.3.21.20.0.0.0.0.70.30.0.2.11.00.0.0.0.0.0.0.40.40.0.0.50.50.80.80.0.0.0.3.02.10.70.40.80.40.0.1.10.60.70.1
41-50 years ago0.0.0.0.0.0.0.30.20.0.0.0.0.0.1.31.30.90.40.0.0.0.0.0.0.0.0.0.0.0.1.91.90.0.0.70.70.0.0.20.21.51.50.20.20.40.30.0.0.0.0.30.1
over 50 years ago0.0.0.0.0.0.0.50.20.0.0.40.40.0.0.0.1.50.40.0.0.0.0.0.2.42.41.41.40.0.0.0.0.80.80.80.80.0.1.50.60.0.0.60.42.30.70.0.0.0.0.80.1
total38.63.118.27.717.86.230.01.630.04.924.23.125.016.215.44.39.71.125.63.440.83.448.14.39.75.78.03.016.82.424.95.836.43.913.83.048.24.95.21.015.44.528.82.15.81.046.99.637.73.122.30.5
6-10 yearsless than 10 years ago26.22.918.27.710.85.216.51.316.04.022.93.112.512.45.22.56.40.922.23.213.82.419.63.313.56.58.93.020.32.627.35.922.23.315.33.218.53.62.10.77.03.014.41.73.80.926.38.425.42.813.70.5
11-20 years ago3.01.15.94.016.46.04.70.81.91.35.11.612.512.40.0.3.80.73.61.48.01.92.21.33.63.51.21.23.91.213.34.44.11.67.12.33.91.71.40.51.81.82.80.84.30.96.64.45.01.44.10.3
21-30 years ago0.40.48.25.67.53.62.40.55.42.44.61.50.0.1.31.31.50.44.71.65.31.60.70.73.63.51.91.42.00.91.51.51.00.73.11.65.12.20.60.30.0.1.30.51.90.64.34.30.80.62.10.2
31-40 years ago0.0.0.0.0.0.1.20.42.21.60.90.60.0.3.02.11.60.51.20.81.00.70.0.0.0.1.41.41.00.70.0.0.0.0.90.90.0.0.60.40.0.1.30.50.70.40.0.0.0.0.90.1
41-50 years ago0.90.60.0.1.91.90.20.21.01.01.40.80.0.0.0.0.50.30.0.0.50.50.0.0.0.0.0.0.0.0.0.0.0.0.80.80.0.0.40.30.0.0.20.22.10.60.0.0.30.30.50.1
over 50 years ago0.0.0.0.0.0.0.70.30.0.1.20.80.0.0.0.2.50.60.60.60.0.0.0.0.0.0.0.0.40.40.0.0.0.0.80.80.0.2.60.73.32.40.90.52.70.74.34.30.0.1.20.1
total30.43.032.39.336.57.725.71.526.54.736.13.525.016.29.53.416.31.432.33.628.73.222.53.520.67.713.43.627.52.842.26.527.33.528.03.927.54.17.71.212.24.120.91.915.61.641.59.731.63.022.50.6
11-20 yearsless than 10 years ago5.11.57.05.016.25.37.70.911.13.310.02.212.512.41.31.38.21.09.72.33.21.37.62.313.55.513.53.710.12.017.75.19.92.313.43.00.70.72.60.79.33.66.81.23.60.88.84.95.81.67.10.4
11-20 years ago0.40.43.03.05.63.12.40.52.21.61.40.812.512.42.61.85.60.82.31.11.10.80.60.67.55.01.21.26.91.63.12.10.0.4.31.81.11.10.0.6.13.11.80.62.60.70.0.0.40.42.50.2
21-30 years ago0.40.40.0.1.91.92.20.53.21.80.40.40.0.0.0.2.00.53.01.32.01.01.20.90.0.0.0.4.11.33.12.10.0.4.61.91.11.10.60.30.0.1.50.62.00.60.0.0.50.51.70.2
31-40 years ago0.0.0.0.0.0.0.80.31.31.30.40.40.0.1.31.31.90.52.31.20.50.50.0.0.0.1.21.21.70.90.0.0.0.3.01.50.0.1.00.43.02.11.20.51.00.40.0.0.0.1.00.1
41-50 years ago0.0.0.0.0.0.0.40.21.31.30.40.40.0.0.0.0.90.40.60.60.0.0.0.0.0.0.0.1.60.80.0.0.0.1.51.10.0.1.40.50.0.1.10.52.60.70.0.0.0.0.80.1
over 50 years ago0.0.0.0.0.0.0.50.30.0.1.61.012.512.40.0.2.80.60.0.0.60.60.0.0.0.1.11.10.90.60.0.0.0.0.0.0.0.4.20.94.52.60.50.34.91.00.0.0.0.1.60.2
total6.01.610.05.723.65.714.11.218.94.114.32.637.518.25.22.621.51.517.93.07.41.99.42.421.07.017.04.025.32.823.95.79.92.326.73.92.91.79.71.322.95.012.91.616.61.78.84.96.61.614.80.5
> 20 yearsless than 10 years ago3.51.24.03.93.23.25.80.81.01.07.01.90.0.16.04.58.51.02.41.22.61.12.51.43.63.520.74.45.31.50.0.1.10.88.42.50.70.76.21.114.94.45.51.112.41.50.0.1.80.96.30.3
11-20 years ago0.90.64.14.11.91.93.50.64.52.31.60.90.0.11.43.97.61.00.60.62.11.02.91.523.28.17.22.73.71.20.0.2.11.22.11.21.81.33.80.97.53.37.41.34.70.90.0.2.61.14.30.3
21-30 years ago1.30.78.25.67.64.43.00.62.21.60.50.50.0.12.84.18.11.08.22.12.91.20.60.63.63.52.61.52.20.93.82.65.61.92.61.52.21.55.21.00.0.4.00.94.60.90.0.2.11.04.20.3
31-40 years ago2.61.011.16.30.0.3.10.60.0.1.10.80.0.4.42.53.40.72.41.22.71.20.0.0.0.5.02.33.31.10.0.2.11.22.31.30.0.4.61.07.23.13.60.95.01.00.0.0.90.63.10.2
41-50 years ago0.40.40.0.0.0.2.10.52.61.92.91.20.0.8.53.41.90.51.20.81.10.80.0.0.0.4.92.41.40.80.0.3.41.54.01.70.0.7.21.24.42.51.40.66.41.10.0.0.90.62.80.2
over 50 years ago1.30.78.15.53.23.25.00.82.61.93.71.40.0.11.13.820.61.52.31.13.21.32.31.315.76.818.14.19.51.91.51.51.30.911.32.80.0.49.32.212.44.15.51.126.42.00.0.0.0.13.20.4
total9.92.035.59.415.96.022.51.413.03.716.82.70.0.64.35.750.01.817.12.914.52.58.22.446.09.358.75.325.52.85.33.015.73.030.54.04.72.176.31.946.46.227.32.159.42.20.0.8.31.833.80.6
totalless than 10 years ago80.42.640.49.849.87.955.91.755.75.261.33.562.518.238.25.927.21.655.73.756.43.573.13.936.98.850.65.450.13.263.56.159.63.945.54.573.64.012.81.540.76.251.62.422.11.977.18.273.92.846.30.6
11-20 years ago10.32.017.17.225.76.816.91.317.54.113.02.425.016.215.34.320.11.514.22.717.62.715.53.137.89.110.73.219.82.624.85.519.63.115.03.216.23.56.71.120.05.120.81.912.81.510.96.115.52.316.10.5
21-30 years ago3.81.220.48.019.56.111.01.115.83.78.42.00.0.16.84.413.01.218.93.013.92.59.12.67.14.85.62.39.91.98.43.612.22.711.92.910.33.06.81.20.0.9.41.48.71.37.65.46.91.710.20.4
31-40 years ago3.01.114.16.80.0.5.90.83.52.05.61.60.0.8.73.57.71.06.51.96.71.80.0.0.0.7.62.86.31.60.0.2.61.37.82.40.0.6.71.113.24.16.91.27.51.20.0.2.51.05.90.3
41-50 years ago1.30.70.0.1.91.93.20.64.82.44.81.50.0.9.83.64.40.81.81.01.60.90.0.0.0.4.92.43.11.21.91.93.41.56.92.20.0.9.21.35.92.93.10.811.61.40.0.1.30.74.50.3
over 50 years ago1.30.78.15.53.23.27.10.92.61.96.91.912.512.411.13.827.61.72.91.33.81.42.31.318.17.120.64.310.82.01.51.52.61.312.93.00.0.57.82.220.25.18.11.337.32.24.34.30.0.17.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #799177/265509
NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
0-1 yearless than 10 years ago13.62.20.0.3.82.64.40.78.12.75.71.710.510.55.02.50.70.36.51.96.91.88.72.32.32.31.71.34.11.23.82.64.31.60.0.15.73.10.20.23.62.15.11.00.90.42.62.611.22.04.10.3
11-20 years ago1.30.70.0.0.0.1.50.41.21.21.10.80.0.0.0.0.50.20.0.1.00.72.11.20.0.0.0.0.80.60.0.3.71.40.70.72.41.40.0.0.0.3.10.80.30.20.0.2.61.01.10.1
21-30 years ago0.0.3.93.72.52.50.70.31.81.31.40.80.0.0.0.0.50.20.60.60.0.0.70.70.0.1.11.00.0.0.0.2.01.20.0.0.0.0.20.20.0.0.60.30.0.0.0.1.30.70.50.1
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.10.60.60.50.50.0.0.0.0.0.0.0.0.0.0.0.0.80.80.0.0.50.30.0.0.20.20.0.0.0.0.50.50.20.1
41-50 years ago0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.20.20.0.0.0.0.10.0
over 50 years ago0.0.0.0.0.0.0.30.20.0.0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.60.60.0.0.0.0.20.20.0.0.80.40.80.40.0.0.0.0.30.1
total14.82.33.93.76.33.67.20.911.13.28.22.010.510.55.02.52.10.57.62.08.32.011.42.62.32.32.81.64.91.33.82.610.62.41.51.018.13.31.00.43.62.110.11.42.20.62.62.615.52.36.30.3
2-5 yearsless than 10 years ago32.12.910.76.115.96.020.51.418.44.014.92.631.615.99.23.33.30.615.22.729.03.133.64.06.64.55.32.49.51.814.74.721.73.38.22.238.44.61.60.57.53.019.01.81.30.536.79.129.62.913.90.4
11-20 years ago4.61.43.93.91.91.94.80.77.32.74.11.30.0.1.21.22.40.57.62.05.31.67.52.23.13.11.01.04.41.38.43.69.42.31.41.06.82.51.30.53.72.15.61.10.70.48.15.45.11.53.90.3
21-30 years ago1.60.80.0.0.0.2.60.53.01.71.40.80.0.2.41.70.90.32.41.23.51.35.82.10.0.0.0.1.50.70.0.3.91.61.41.01.81.30.20.20.0.2.20.70.30.25.64.02.10.91.60.2
31-40 years ago0.40.42.82.80.0.0.70.30.0.3.01.10.0.0.0.0.60.30.0.2.01.00.0.0.0.0.0.0.30.30.0.0.50.50.80.80.0.0.0.2.41.70.60.40.70.30.0.1.10.60.60.1
41-50 years ago0.0.0.0.0.0.0.20.20.0.0.0.0.0.1.21.20.80.30.0.0.0.0.0.0.0.0.0.0.0.1.91.90.0.0.60.60.0.0.20.21.21.20.20.20.30.20.0.0.0.0.30.1
over 50 years ago0.0.0.0.0.0.0.50.20.0.0.40.40.0.0.0.1.50.40.0.0.50.50.0.2.12.11.31.30.0.0.0.0.80.81.41.00.0.1.20.50.0.0.60.32.00.60.0.0.0.0.80.1
total38.83.117.57.417.86.229.21.528.74.823.83.031.615.913.94.09.51.025.13.440.33.446.84.211.85.87.62.815.82.224.95.836.33.913.82.846.94.84.60.914.93.928.22.05.40.950.59.338.03.121.10.5
6-10 yearsless than 10 years ago26.62.817.57.410.85.216.01.317.84.122.03.010.510.54.72.35.80.822.43.214.12.419.83.311.85.89.53.019.72.427.35.922.43.314.42.918.73.61.90.66.82.713.21.53.80.824.57.925.52.812.90.4
11-20 years ago2.91.15.73.816.46.04.60.72.81.64.91.510.510.50.0.3.30.63.51.47.81.92.21.33.13.11.11.13.51.113.34.44.11.56.32.13.81.71.20.41.51.53.00.83.80.86.14.15.01.43.80.3
21-30 years ago0.40.47.95.47.53.62.30.55.12.34.41.50.0.1.21.21.70.44.61.65.21.60.70.73.13.11.81.32.30.91.51.51.00.72.81.45.02.20.50.30.0.1.60.62.10.64.14.00.80.62.10.2
31-40 years ago0.0.0.0.0.0.1.20.42.11.50.90.60.0.2.71.91.40.41.20.81.40.80.70.70.0.1.31.30.90.60.0.0.0.0.80.80.0.0.50.30.0.1.20.50.70.30.0.0.0.0.90.1
41-50 years ago0.80.60.0.1.91.90.30.20.90.91.40.80.0.0.0.0.50.20.0.0.50.50.0.0.0.0.0.0.0.0.0.0.0.0.70.70.0.0.30.20.0.0.20.22.00.60.0.0.30.30.50.1
over 50 years ago0.0.0.0.0.0.0.70.30.0.1.60.90.0.0.0.2.20.50.60.60.0.0.0.0.0.0.0.0.30.30.0.0.0.0.70.70.0.2.10.62.71.91.10.52.30.64.14.00.0.1.10.1
total30.83.031.09.036.57.725.01.528.84.835.13.421.114.08.63.114.81.232.33.629.03.223.33.518.16.913.83.626.82.742.26.527.43.525.73.627.54.16.51.011.03.520.21.814.71.538.89.331.73.021.30.5
11-20 yearsless than 10 years ago5.11.46.84.916.25.37.50.911.53.39.62.210.510.51.21.27.30.99.52.33.11.37.42.211.84.912.93.59.21.817.75.19.72.313.42.90.70.72.10.67.62.96.21.13.70.88.24.65.71.56.70.3
11-20 years ago0.40.42.82.85.63.12.60.52.11.51.40.810.510.52.41.74.80.72.31.11.10.80.60.66.64.51.11.16.71.53.12.10.0.4.51.81.11.10.20.26.32.82.10.72.40.60.0.0.40.42.50.2
21-30 years ago0.40.40.0.1.91.92.10.53.01.71.40.80.0.0.0.2.20.52.91.32.01.01.20.90.0.0.0.3.81.23.12.10.0.4.11.71.11.11.00.40.0.1.60.62.00.60.0.0.50.51.70.2
31-40 years ago0.0.0.0.0.0.0.80.31.21.20.40.40.0.1.21.21.60.42.31.10.50.50.0.0.0.1.11.11.60.80.0.0.0.2.71.30.0.1.10.42.41.71.10.51.00.40.0.0.0.1.00.1
41-50 years ago0.0.0.0.0.0.0.30.21.21.20.40.40.0.0.0.0.80.30.60.60.0.0.0.0.0.0.0.1.50.80.0.0.0.1.31.00.0.1.10.40.0.1.00.42.20.60.0.0.0.0.70.1
over 50 years ago0.0.0.0.0.0.0.50.30.0.1.60.910.510.50.0.2.60.50.60.60.60.60.0.0.0.1.01.01.30.70.0.0.0.0.0.0.0.3.50.73.72.10.50.34.30.80.0.0.0.1.50.2
total5.91.59.65.523.65.713.81.219.04.014.72.531.615.94.72.319.31.318.23.07.21.99.12.418.46.316.23.924.02.723.95.79.72.326.03.72.81.78.91.119.94.312.51.515.61.58.24.66.51.614.10.5
> 20 yearsless than 10 years ago3.41.23.93.73.23.25.90.80.90.97.21.90.0.14.44.18.30.92.41.22.51.12.41.43.13.121.54.35.31.40.0.1.10.87.52.20.70.76.11.012.13.75.91.111.71.30.0.1.70.96.30.3
11-20 years ago0.90.63.93.91.91.93.70.64.32.22.61.15.24.913.83.98.00.90.60.62.01.04.21.720.47.26.92.63.41.10.0.2.11.24.01.61.81.35.70.96.12.77.81.24.90.90.0.2.61.04.90.3
21-30 years ago1.30.77.95.47.64.43.00.62.11.50.50.50.0.11.63.79.11.08.02.12.81.10.60.66.44.52.51.43.21.13.82.65.51.92.31.32.21.57.91.12.81.94.10.97.11.10.0.2.10.95.00.3
31-40 years ago2.51.010.76.10.0.3.10.60.0.1.10.80.0.4.02.34.00.72.31.22.61.20.0.0.0.4.82.23.81.20.0.2.71.32.01.20.0.5.40.99.33.14.10.96.01.00.0.0.90.63.50.2
41-50 years ago0.40.40.0.0.0.2.30.52.51.82.81.10.0.7.73.12.30.51.20.81.10.80.0.0.0.5.72.51.30.80.0.3.41.55.01.80.0.6.91.04.82.31.70.66.41.00.0.0.90.63.00.2
over 50 years ago1.20.711.66.23.23.26.80.92.51.84.01.40.0.16.14.222.61.42.31.14.11.42.21.319.47.018.34.011.52.01.51.51.30.912.22.70.0.47.02.015.44.15.41.025.91.80.0.0.0.14.60.4
total9.71.938.09.315.96.024.71.412.43.518.22.85.24.967.75.354.41.716.82.915.22.59.42.649.38.859.65.128.62.85.33.016.03.033.03.94.62.178.91.750.55.629.02.162.12.00.0.8.21.837.20.6
totalless than 10 years ago80.72.538.89.649.87.954.31.756.75.159.43.463.216.134.55.525.41.555.93.755.63.571.83.935.78.350.95.247.83.163.56.159.23.943.54.274.23.911.81.337.65.549.42.321.41.772.08.573.82.843.90.6
11-20 years ago10.12.016.46.925.76.817.11.317.74.014.02.426.314.517.44.219.01.314.02.717.22.716.53.233.28.410.23.118.92.424.85.519.23.116.93.215.83.48.31.117.64.421.51.912.21.414.26.815.72.316.10.5
21-30 years ago3.81.219.67.819.56.110.61.115.13.69.02.00.0.15.24.014.31.218.53.013.52.48.92.59.55.35.42.210.71.98.43.612.52.710.62.610.02.99.71.22.81.910.11.411.51.39.75.76.81.610.90.4
31-40 years ago3.01.113.66.60.0.5.80.83.31.95.41.50.0.7.93.17.70.96.41.97.01.80.70.70.0.7.22.76.61.60.0.3.21.47.02.20.0.7.61.114.23.87.21.28.31.20.0.2.51.06.20.3
41-50 years ago1.30.70.0.1.91.93.40.64.62.34.61.40.0.8.93.24.40.71.81.01.50.90.0.0.0.5.72.52.81.11.91.93.41.57.62.20.0.8.51.16.02.63.30.811.21.30.0.1.20.74.60.3
over 50 years ago1.20.711.66.23.23.28.81.02.51.87.61.910.510.516.14.229.11.53.51.45.11.62.21.321.67.120.64.213.12.11.51.52.61.314.42.90.0.54.02.021.84.78.31.335.42.04.14.00.0.18.30.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #799178/265510
NFI4
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
0-1 yearn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago8.01.80.0.3.82.54.90.89.33.27.01.90.0.2.92.10.40.25.41.72.91.215.03.00.0.2.11.55.91.59.03.94.11.60.80.85.72.30.60.41.51.58.51.30.60.36.04.38.21.84.20.3
11-20 years ago5.61.50.0.0.0.1.80.52.21.62.41.00.0.1.31.30.90.42.31.14.01.43.31.40.0.1.41.41.70.80.0.3.91.62.31.32.61.60.0.4.52.63.30.80.70.47.15.12.11.01.90.2
21-30 years ago0.40.40.0.1.91.90.50.30.0.0.50.50.0.3.02.10.80.31.20.80.0.1.30.92.42.41.21.20.40.41.51.50.50.50.0.2.21.50.70.41.51.50.90.50.20.20.0.0.90.60.70.1
31-40 years ago0.0.0.0.0.0.0.40.20.0.1.00.70.0.1.31.30.30.20.50.52.21.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.40.30.0.0.0.0.30.1
41-50 years ago0.90.60.0.0.0.0.40.21.01.00.40.40.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.1.30.90.90.90.0.0.40.31.51.50.0.0.40.30.0.0.0.0.30.1
over 50 years ago0.40.40.0.0.0.0.60.30.0.0.90.60.0.1.31.30.60.30.60.60.0.0.0.0.0.1.21.20.0.0.0.1.61.10.0.0.0.0.40.31.51.50.20.21.40.50.0.0.0.0.50.1
total15.32.30.0.5.63.18.61.012.53.612.12.30.0.9.93.63.10.610.02.39.22.119.63.32.42.45.82.68.01.710.64.211.42.63.91.710.53.12.10.710.53.713.21.63.60.813.16.511.22.18.00.4
2-5 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.00.0
less than 10 years ago35.43.00.0.6.94.117.61.317.23.820.82.950.018.79.83.62.00.517.52.918.52.628.73.93.83.78.83.013.12.15.33.029.03.75.52.136.54.61.80.65.52.613.61.62.00.641.09.533.53.013.70.5
11-20 years ago3.01.114.16.818.36.34.80.813.53.75.81.70.0.4.62.63.60.78.92.29.22.12.21.34.83.36.42.76.41.620.85.54.91.77.22.38.32.70.60.31.51.55.81.10.60.30.0.5.31.44.80.3
21-30 years ago0.90.60.0.8.13.91.50.43.52.01.90.90.0.4.62.62.40.61.71.03.01.21.20.90.0.1.41.45.31.58.43.60.50.51.71.12.91.70.50.30.0.2.30.71.20.50.0.0.90.61.90.2
31-40 years ago0.0.0.0.0.0.1.00.43.52.01.00.70.0.5.62.71.40.41.10.81.40.80.70.70.0.0.0.0.90.60.0.1.10.81.71.21.11.10.20.21.51.51.10.50.40.30.0.0.50.50.90.1
41-50 years ago0.40.44.14.10.0.0.40.20.0.1.00.70.0.2.92.11.10.40.60.61.20.80.0.0.0.1.21.20.40.40.0.0.50.50.80.80.0.0.80.40.0.1.10.50.80.40.0.0.50.50.70.1
over 50 years ago0.40.40.0.0.0.0.50.30.0.0.0.0.0.1.31.31.50.50.0.0.60.60.0.0.0.1.41.40.70.50.0.0.0.0.70.70.0.2.30.71.51.50.50.33.20.80.0.0.0.1.00.1
total40.13.118.27.733.47.625.91.537.65.230.43.450.018.728.95.511.91.229.83.533.93.332.94.08.64.919.14.226.82.934.56.435.93.917.63.448.84.96.31.110.03.624.62.18.21.241.09.540.63.223.10.6
6-10 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago22.02.714.16.812.05.416.71.314.63.813.52.50.0.2.61.94.50.817.43.021.12.833.24.19.95.612.83.315.92.321.55.518.73.214.83.224.34.12.00.69.53.814.91.72.70.724.08.422.02.712.80.5
11-20 years ago2.61.07.05.06.94.15.80.85.62.47.92.00.0.7.93.13.00.63.61.55.81.64.61.912.46.10.80.85.41.59.63.77.82.19.42.62.81.41.10.52.92.05.51.12.80.70.0.5.11.54.50.3
21-30 years ago1.30.73.03.01.91.92.90.61.01.02.11.112.512.42.61.81.90.52.41.21.00.70.0.7.35.10.0.1.10.71.91.90.0.1.61.22.91.70.70.46.23.14.00.91.40.50.0.2.41.02.00.2
31-40 years ago0.0.4.14.10.0.0.90.32.21.62.51.10.0.1.31.30.90.31.81.01.10.81.30.93.63.50.0.1.50.70.0.0.50.50.70.72.21.50.60.40.0.1.50.61.50.50.0.1.80.91.10.1
41-50 years ago0.0.0.0.0.0.0.30.20.0.1.71.00.0.0.0.0.40.20.60.60.50.50.0.0.0.2.11.51.80.90.0.0.80.80.70.70.0.1.40.50.0.2.00.70.90.40.0.0.0.0.70.1
over 50 years ago0.40.40.0.1.91.90.50.20.0.2.71.20.0.2.61.82.70.61.20.80.50.50.0.4.83.30.0.0.90.70.0.0.0.0.0.0.0.3.80.90.0.0.90.44.20.94.34.30.30.31.60.2
total26.22.928.28.822.66.726.91.623.54.630.33.312.512.417.04.213.51.327.03.429.93.239.14.238.19.215.63.726.62.832.96.327.73.627.14.032.34.49.61.318.64.928.82.113.51.528.48.931.63.022.80.6
11-20 yearsn/a0.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago8.51.84.14.112.05.29.01.08.32.811.62.20.0.8.53.43.20.710.12.311.72.31.10.86.04.34.32.15.71.513.74.66.52.07.82.42.61.62.40.711.04.010.51.54.00.914.26.76.41.66.70.3
11-20 years ago0.90.67.05.03.72.63.20.62.21.61.50.90.0.4.52.61.90.52.41.24.81.60.0.13.36.58.22.94.01.33.42.41.60.92.81.40.0.1.50.67.13.12.00.75.31.00.0.3.41.22.90.2
21-30 years ago0.90.60.0.1.91.92.20.52.21.60.50.512.512.40.0.1.70.51.81.00.50.50.60.60.0.1.91.42.00.91.51.51.41.03.01.52.21.51.00.54.72.72.20.71.50.50.0.0.40.41.60.2
31-40 years ago0.0.8.15.51.91.91.10.41.31.31.30.80.0.0.0.1.10.40.60.60.0.0.0.0.0.0.0.0.90.60.0.0.0.1.30.90.0.1.20.51.51.50.40.30.80.40.0.0.0.0.80.1
41-50 years ago0.0.3.03.00.0.1.10.41.01.01.30.70.0.0.0.0.70.30.0.0.0.0.0.0.0.0.0.1.40.81.91.90.0.0.80.80.0.1.10.51.51.51.10.51.20.50.0.0.0.0.80.1
over 50 years ago0.0.3.03.00.0.1.20.41.41.40.0.0.0.5.92.92.90.60.60.60.0.0.0.0.0.4.42.22.21.00.0.0.0.0.80.80.0.5.61.04.52.61.50.66.41.10.0.0.0.2.20.2
total10.62.025.28.619.56.117.81.316.33.916.32.512.512.418.94.711.51.215.52.817.02.71.71.019.37.318.84.116.12.420.55.49.42.416.63.34.82.212.81.530.35.817.81.819.11.714.26.710.22.015.00.5
> 20 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago1.70.90.0.5.13.46.30.82.21.63.01.225.016.25.22.511.91.23.61.54.21.50.70.710.75.59.53.15.01.40.0.3.71.58.72.51.71.25.81.04.72.72.80.813.11.53.33.31.60.86.20.3
11-20 years ago2.21.08.15.51.91.92.50.50.0.2.01.00.0.4.22.49.61.13.01.31.50.91.30.93.83.74.62.25.21.50.0.2.11.12.41.41.91.44.30.91.31.32.50.74.91.00.0.1.20.73.80.3
21-30 years ago0.40.40.0.1.91.92.30.51.91.30.50.50.0.3.92.27.31.02.31.10.60.60.70.77.55.02.91.71.20.70.0.1.30.93.01.50.0.2.60.71.81.81.80.64.10.90.0.1.80.92.80.2
31-40 years ago0.90.68.25.66.94.12.40.51.01.01.61.00.0.1.31.36.50.93.61.40.50.51.71.20.0.2.61.52.51.00.0.2.61.33.21.60.0.3.60.94.62.52.00.73.50.80.0.0.40.42.90.2
41-50 years ago0.90.64.14.10.0.2.00.50.0.0.0.0.0.3.32.34.60.81.71.01.10.80.0.0.0.5.52.50.80.60.0.1.41.04.41.80.0.5.41.04.02.21.50.64.81.00.0.0.40.42.50.2
over 50 years ago1.70.88.15.53.23.25.30.85.12.53.81.40.0.7.43.220.21.53.51.42.21.12.31.39.75.715.53.97.91.81.51.54.51.713.03.00.0.47.72.214.34.35.01.025.21.90.0.0.90.612.90.4
total7.71.828.58.818.96.320.81.410.23.310.92.325.016.225.35.160.01.817.83.010.12.26.62.231.78.840.65.122.62.71.51.515.62.934.84.23.61.969.32.130.65.515.71.755.62.23.33.36.31.631.10.6
totaln/a0.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.00.0
less than 10 years ago75.62.818.27.739.87.554.61.751.65.355.93.575.016.229.05.422.01.553.93.758.43.578.73.530.38.737.54.945.53.249.56.561.93.937.74.370.84.412.71.532.15.950.32.422.31.988.66.371.72.943.80.6
11-20 years ago14.12.336.39.630.87.318.11.423.64.519.62.90.0.22.55.119.01.420.43.125.33.111.52.734.38.921.34.422.72.733.86.320.33.224.13.815.63.57.41.217.44.519.11.914.31.67.15.117.12.517.90.5
21-30 years ago3.91.33.03.015.64.99.41.08.62.95.41.625.016.214.14.214.21.39.42.25.01.63.81.517.27.27.42.810.11.913.34.43.61.59.32.610.33.05.41.014.24.411.21.58.41.20.0.6.41.68.90.4
31-40 years ago0.90.620.48.08.84.55.80.87.92.97.41.90.0.9.63.310.11.17.62.05.21.63.71.73.63.52.61.55.71.50.0.4.21.66.92.23.31.95.61.07.53.25.31.16.61.10.0.2.61.16.00.3
41-50 years ago2.10.911.16.30.0.4.00.71.91.34.31.40.0.6.23.06.90.92.91.32.81.20.0.0.0.8.83.14.41.41.91.93.91.67.52.30.0.9.11.37.03.05.71.18.11.20.0.0.80.65.10.3
over 50 years ago3.01.111.16.25.03.78.11.06.52.87.41.90.0.18.54.727.81.75.91.83.31.32.31.314.66.322.54.511.72.11.51.56.02.014.53.10.0.59.82.221.85.28.11.340.42.24.34.31.30.718.30.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #799179/265511
NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
0-1 yearless than 10 years ago13.52.20.0.3.82.64.40.78.12.75.61.710.510.55.02.50.70.36.41.97.31.89.22.42.32.31.71.33.91.23.82.64.21.60.0.15.53.00.20.23.52.05.41.00.90.42.52.511.22.04.10.3
11-20 years ago1.30.70.0.0.0.1.50.41.21.21.10.80.0.0.0.0.50.20.0.1.00.72.01.20.0.0.0.0.80.50.0.3.71.40.70.72.31.40.0.0.0.3.00.80.30.20.0.2.61.01.10.1
21-30 years ago0.0.3.93.72.52.50.70.31.81.31.40.80.0.0.0.0.40.20.60.60.0.0.60.60.0.1.11.00.0.0.0.2.01.20.0.0.0.0.20.20.0.0.60.30.0.0.0.1.30.70.50.1
31-40 years ago0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.10.60.60.40.40.0.0.0.0.0.0.0.0.0.0.0.0.80.80.0.0.50.30.0.0.20.20.0.0.0.0.50.50.20.1
41-50 years ago0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.20.20.0.0.0.0.10.0
over 50 years ago0.0.0.0.0.0.0.30.20.0.0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.60.60.0.0.0.0.20.20.0.0.80.40.80.40.0.0.0.0.30.1
total14.82.33.93.76.33.67.10.911.13.28.12.010.510.55.02.52.00.57.62.08.72.011.92.72.32.32.81.64.71.33.82.610.52.41.51.017.83.31.00.43.52.010.21.42.20.62.52.515.52.36.20.3
2-5 yearsless than 10 years ago32.02.910.76.115.96.020.41.418.44.014.72.631.615.99.03.33.20.615.62.828.43.132.94.06.64.55.32.49.61.814.74.722.03.38.82.337.84.61.60.57.32.918.51.71.30.535.68.929.62.913.80.4
11-20 years ago4.61.33.93.91.91.94.70.77.32.74.01.30.0.2.61.92.40.57.52.05.71.67.32.23.13.11.01.04.31.28.43.69.32.31.31.06.72.41.30.53.62.05.51.00.70.47.95.25.11.53.80.3
21-30 years ago1.60.80.0.0.0.2.50.53.01.71.40.80.0.2.41.61.00.32.41.23.41.35.72.10.0.0.0.1.40.70.0.3.91.61.41.01.71.30.20.20.0.2.40.70.30.25.53.92.10.91.60.2
31-40 years ago0.40.42.82.80.0.0.70.30.0.3.41.20.0.0.0.0.60.20.0.2.01.00.0.0.0.0.0.0.30.30.0.0.50.50.70.70.0.0.0.2.41.70.60.30.70.30.0.1.10.60.60.1
41-50 years ago0.0.0.0.0.0.0.20.20.0.0.0.0.0.1.21.10.80.30.0.0.0.0.0.0.0.0.0.0.0.1.91.90.0.0.60.60.0.0.20.21.21.20.20.20.30.20.0.0.0.0.30.1
over 50 years ago0.0.0.0.0.0.0.40.20.0.0.40.40.0.0.0.1.60.40.0.0.50.50.0.2.12.11.31.30.0.0.0.0.80.82.21.20.0.1.40.50.0.0.60.32.00.60.0.0.0.0.80.1
total38.63.117.57.417.86.229.01.528.74.824.03.031.615.915.24.19.51.025.63.440.03.445.94.211.85.87.62.815.72.224.95.836.33.915.02.946.14.84.70.914.53.827.72.05.40.948.99.238.03.121.00.5
6-10 yearsless than 10 years ago26.42.817.57.410.85.215.81.217.84.121.83.010.510.54.72.35.70.822.23.214.82.420.03.311.85.89.53.019.52.427.35.922.13.314.22.918.43.51.80.66.62.612.81.53.80.823.87.725.52.812.80.4
11-20 years ago2.91.15.73.816.46.04.50.72.81.64.91.510.510.50.0.3.30.63.51.47.71.92.11.23.13.11.11.13.41.113.34.44.01.56.22.03.71.71.20.41.41.43.10.83.70.86.04.05.01.43.70.2
21-30 years ago0.40.47.95.47.53.62.30.55.12.34.31.40.0.1.21.21.70.44.61.65.11.61.30.93.13.11.81.32.20.91.51.51.00.72.81.44.92.10.50.30.0.1.60.62.00.63.93.90.80.62.10.2
31-40 years ago0.0.0.0.0.0.1.30.42.11.50.90.60.0.2.71.91.30.41.20.81.40.80.60.60.0.1.31.30.90.60.0.0.0.0.80.80.0.0.50.30.0.1.20.50.80.40.0.0.0.0.90.1
41-50 years ago0.80.60.0.1.91.90.30.20.90.91.40.80.0.0.0.0.40.20.0.0.50.50.0.0.0.0.0.0.0.0.0.0.0.0.70.70.0.0.30.20.0.0.20.22.00.60.0.0.30.30.50.1
over 50 years ago0.0.0.0.0.0.0.70.30.0.2.11.00.0.0.0.2.10.50.60.60.0.0.0.0.0.0.0.0.30.30.0.0.0.0.70.70.0.2.40.62.71.91.00.52.30.63.93.90.0.1.20.1
total30.62.931.09.036.57.724.81.528.84.835.33.421.114.08.53.114.61.232.13.629.43.224.13.518.16.913.83.626.42.742.26.527.13.525.33.627.04.06.71.010.73.419.91.814.71.537.69.131.73.021.20.5
11-20 yearsless than 10 years ago5.01.46.84.916.25.37.30.911.53.39.52.110.510.51.21.17.20.99.42.33.11.27.22.211.84.912.93.59.01.817.75.19.62.313.22.80.70.72.10.68.83.16.11.13.60.88.04.55.71.56.60.3
11-20 years ago0.40.42.82.85.63.12.50.52.11.51.30.810.510.52.31.64.70.72.21.11.00.70.50.56.64.51.11.16.91.63.12.10.0.4.51.71.11.10.20.26.12.72.10.62.40.60.0.0.40.42.50.2
21-30 years ago0.40.40.0.1.91.92.10.53.01.71.40.80.0.0.0.2.10.52.91.31.91.01.20.80.0.0.0.3.71.13.12.10.0.4.01.61.11.11.00.40.0.1.60.62.00.60.0.0.50.51.70.2
31-40 years ago0.0.0.0.0.0.0.80.31.21.20.40.40.0.1.21.21.60.42.31.10.50.50.0.0.0.1.11.11.50.80.0.0.0.2.61.30.0.1.10.42.41.71.10.51.00.40.0.0.0.1.00.1
41-50 years ago0.0.0.0.0.0.0.40.21.21.20.40.40.0.0.0.0.80.30.60.60.0.0.0.0.0.0.0.1.50.70.0.0.0.1.30.90.0.1.10.40.0.1.00.42.20.60.0.0.0.0.70.1
over 50 years ago0.0.0.0.0.0.0.50.20.0.1.50.910.510.50.0.2.50.50.60.60.60.60.0.0.0.1.01.01.20.70.0.0.0.0.0.1.01.03.40.73.62.00.60.44.30.80.0.0.0.1.50.2
total5.91.59.65.523.65.713.61.219.04.014.62.531.615.94.72.318.91.318.13.07.11.89.02.318.46.316.23.923.72.623.95.79.62.325.63.63.81.98.81.120.94.412.41.515.51.58.04.56.51.614.00.4
> 20 yearsless than 10 years ago3.81.33.93.73.23.26.20.80.90.97.21.90.0.14.24.08.20.92.41.22.41.12.41.33.13.121.54.35.91.50.0.1.10.87.42.20.70.76.21.013.13.75.81.111.61.30.0.1.70.96.40.3
11-20 years ago0.90.63.93.91.91.93.80.74.32.22.51.15.24.913.63.97.90.90.60.62.01.04.11.720.47.26.92.63.61.10.0.2.71.34.01.62.41.45.70.96.02.68.21.24.90.90.0.2.61.04.90.3
21-30 years ago1.30.77.95.47.64.42.90.62.11.50.50.50.0.11.43.69.11.08.02.12.81.10.50.56.44.52.51.43.11.03.82.65.51.92.31.32.11.58.11.12.71.94.20.97.01.13.03.02.10.95.00.3
31-40 years ago2.51.010.76.10.0.3.20.60.0.1.10.80.0.4.02.34.20.72.31.22.61.10.0.0.0.4.82.23.71.20.0.2.61.32.01.20.0.5.30.99.13.04.00.96.11.00.0.0.90.63.50.2
41-50 years ago0.40.40.0.0.0.2.20.52.51.82.81.10.0.7.63.02.30.51.20.81.10.70.0.0.0.5.72.51.30.70.0.3.31.54.91.80.0.6.81.04.72.31.80.66.61.00.0.0.90.63.00.2
over 50 years ago1.20.711.66.23.23.27.10.92.51.84.01.40.0.15.94.123.21.42.31.14.01.42.21.319.47.018.34.011.92.01.51.51.20.912.02.70.0.46.82.015.04.05.71.126.01.80.0.0.0.14.70.4
total10.12.038.09.315.96.025.51.412.43.518.02.75.24.966.75.354.91.616.72.914.92.59.22.549.38.859.65.129.52.85.33.016.53.032.53.85.22.178.81.650.45.529.72.162.22.03.03.08.21.837.50.6
totalless than 10 years ago80.82.538.89.649.87.954.11.756.75.158.83.463.216.134.05.425.11.556.13.756.03.471.73.835.78.350.95.247.93.163.56.159.03.843.54.273.03.911.81.339.35.548.62.221.21.769.98.573.82.843.70.6
11-20 years ago10.01.916.46.925.76.817.01.317.74.013.92.426.314.518.64.418.71.313.92.617.32.716.23.133.28.410.23.119.12.424.85.519.73.116.73.216.23.48.41.117.14.321.81.912.11.313.86.615.72.316.10.5
21-30 years ago3.71.219.67.819.56.110.41.015.13.68.92.00.0.15.04.014.41.218.42.913.32.49.32.59.55.35.42.210.41.88.43.612.32.710.52.69.82.99.91.22.71.910.31.411.41.312.46.16.81.610.90.4
31-40 years ago2.91.113.66.60.0.5.90.83.31.95.81.60.0.7.83.17.70.96.41.96.91.80.60.60.0.7.22.76.41.50.0.3.11.46.92.20.0.7.51.113.83.77.01.18.61.20.0.2.51.06.20.3
41-50 years ago1.30.70.0.1.91.93.50.64.62.34.51.40.0.8.73.24.40.71.71.01.50.90.0.0.0.5.72.52.71.01.91.93.31.57.52.20.0.8.41.15.92.53.40.811.31.30.0.1.20.74.60.3
over 50 years ago1.20.711.66.23.23.29.11.02.51.88.01.910.510.515.94.129.71.53.41.45.01.62.21.321.67.120.64.213.42.11.51.52.61.314.92.91.01.054.12.021.24.68.71.335.52.03.93.90.0.18.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #799180/265512
NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
0-1 yearless than 10 years ago12.72.00.0.3.42.44.30.67.52.56.41.69.59.55.62.50.60.36.41.87.11.78.32.12.02.01.61.23.81.13.02.14.21.51.30.915.72.90.30.24.32.14.80.90.80.32.52.510.91.84.00.2
11-20 years ago1.20.70.0.0.0.1.40.41.11.11.30.80.0.0.0.0.50.20.0.0.80.61.81.10.0.0.0.1.00.60.0.3.31.20.60.63.11.60.0.0.0.2.70.70.30.20.0.2.40.91.00.1
21-30 years ago0.0.3.53.42.32.20.60.21.71.21.60.80.0.0.0.0.50.20.50.50.0.0.60.60.0.0.90.90.0.0.0.3.01.30.0.0.0.0.10.10.0.0.90.40.0.0.0.1.20.70.50.1
31-40 years ago0.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.10.50.50.40.40.0.0.0.0.0.0.0.0.0.0.0.0.60.60.0.0.50.30.0.0.20.20.0.0.0.0.40.40.20.1
41-50 years ago0.0.0.0.0.0.0.20.10.0.0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.30.20.0.0.0.0.10.0
over 50 years ago0.0.0.0.0.0.0.40.20.0.0.0.0.0.0.0.0.20.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.50.50.0.0.0.0.20.20.0.0.70.40.80.30.0.0.0.0.30.1
total14.22.13.53.45.63.26.90.810.33.09.31.99.59.55.62.52.10.57.41.98.31.810.62.42.02.02.51.54.81.23.02.111.02.32.51.318.83.21.10.44.32.19.61.32.10.62.52.514.92.16.10.3
2-5 yearsless than 10 years ago32.72.810.65.315.95.620.61.321.34.214.32.328.614.611.13.33.30.615.42.626.52.832.43.75.73.94.82.210.71.716.44.722.63.09.92.337.14.31.90.56.62.618.21.61.50.533.08.430.22.813.90.4
11-20 years ago4.91.33.23.21.71.74.70.77.52.64.51.30.0.2.41.72.10.58.02.05.41.57.42.12.52.52.11.54.51.27.33.29.62.21.20.86.82.31.20.43.41.95.11.00.90.46.74.55.11.43.80.2
21-30 years ago1.90.80.0.0.0.2.20.52.81.61.30.70.0.2.01.41.20.42.71.24.11.34.91.80.0.0.0.1.80.70.0.3.41.41.30.91.61.10.20.20.0.3.00.70.30.28.75.11.90.91.70.2
31-40 years ago0.40.42.22.21.71.70.70.30.0.3.21.10.0.0.0.0.60.30.0.1.70.80.0.0.0.0.0.0.30.30.0.0.40.40.70.70.0.0.0.2.11.50.70.40.70.30.0.1.00.60.70.1
41-50 years ago0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.90.90.70.30.0.0.0.0.0.0.0.0.0.0.0.1.51.50.0.0.50.50.0.0.20.21.11.10.20.20.30.20.0.0.0.0.30.1
over 50 years ago0.0.0.0.0.0.0.40.20.0.0.40.40.0.1.01.01.50.40.40.40.40.40.0.1.91.91.11.10.0.0.0.0.60.62.01.10.0.1.20.40.0.0.50.32.00.50.0.0.0.0.80.1
total39.83.016.06.319.25.928.91.431.64.823.62.828.614.617.34.09.50.926.53.338.13.144.63.910.15.07.92.717.32.125.25.536.73.615.62.845.54.54.70.813.33.527.71.95.80.948.48.838.23.021.10.5
6-10 yearsless than 10 years ago25.92.713.86.09.24.515.41.216.53.822.22.89.59.54.82.15.70.721.03.015.82.321.83.210.15.010.63.019.02.227.15.821.02.914.52.718.93.41.80.57.02.512.71.43.50.722.47.224.72.712.60.4
11-20 years ago2.61.04.32.914.35.24.40.74.21.85.01.49.59.51.01.03.80.64.81.67.11.72.61.32.52.51.01.03.01.013.14.14.01.46.32.03.51.61.00.42.41.73.20.73.50.75.94.05.31.43.80.2
21-30 years ago0.40.48.54.99.44.22.70.54.72.13.81.20.0.1.01.01.80.44.21.55.91.51.20.94.93.31.71.21.90.81.41.41.30.73.11.45.22.00.60.30.0.2.20.61.80.53.33.30.80.52.20.2
31-40 years ago0.0.0.0.1.71.71.30.41.91.40.80.60.0.2.31.71.20.31.10.71.70.80.60.60.0.1.11.11.10.60.0.0.0.0.60.60.0.0.80.30.0.1.10.40.90.40.0.0.40.40.90.1
41-50 years ago0.80.50.0.1.71.70.50.20.90.91.20.79.59.50.0.0.50.20.0.0.40.40.0.0.0.0.0.0.0.0.0.0.0.0.60.60.0.0.40.30.0.0.40.31.80.50.0.0.30.30.60.1
over 50 years ago0.0.0.0.2.62.70.70.30.0.1.80.90.0.0.0.2.00.40.50.50.0.0.0.0.0.0.0.0.60.40.0.0.0.0.70.70.0.2.30.62.41.71.30.52.20.63.33.30.0.1.20.1
total29.62.826.67.538.97.224.91.428.24.634.83.128.614.69.12.915.01.131.63.430.92.926.23.417.56.114.53.525.72.541.76.326.33.125.83.427.63.96.91.011.83.420.81.713.81.335.08.631.42.921.30.5
11-20 yearsless than 10 years ago4.91.35.33.814.34.77.40.810.43.08.81.99.59.50.90.97.00.88.72.13.31.27.22.013.45.111.63.27.91.616.24.89.22.012.22.60.70.72.10.57.42.76.61.14.00.87.94.46.31.56.50.3
11-20 years ago0.40.44.32.95.02.82.70.51.91.41.20.79.59.52.01.44.20.62.01.00.80.60.50.55.73.91.01.07.11.52.92.00.0.4.91.70.90.90.10.15.32.41.80.62.60.60.0.0.30.32.40.2
21-30 years ago0.40.40.0.1.71.72.20.53.81.91.20.70.0.0.0.2.20.52.71.22.10.91.10.80.0.0.0.3.61.12.92.00.0.4.71.60.90.90.90.30.0.1.60.52.20.60.0.0.80.61.80.2
31-40 years ago0.0.0.0.0.0.0.80.31.11.10.40.40.0.1.01.01.50.42.01.00.40.40.0.0.0.1.01.01.30.70.0.0.0.2.41.20.0.1.00.42.11.51.00.41.30.40.0.0.0.0.90.1
41-50 years ago0.0.0.0.1.71.70.40.21.11.10.40.40.0.0.0.0.80.30.50.50.0.0.0.0.0.0.0.1.60.70.0.0.0.1.20.90.0.1.10.40.0.1.10.42.00.50.0.0.0.0.70.1
over 50 years ago0.0.0.0.0.0.0.40.20.0.1.30.89.59.50.90.92.40.50.60.60.40.40.0.0.0.2.91.71.30.70.0.0.0.0.0.0.90.93.00.63.31.90.80.44.00.80.0.0.0.1.50.1
total5.71.49.74.722.75.413.91.118.33.713.32.228.614.64.82.118.21.216.52.77.21.78.92.219.16.016.63.722.82.422.05.49.22.025.53.43.41.78.21.018.13.912.81.416.21.47.94.47.51.613.80.4
> 20 yearsless than 10 years ago3.51.19.85.42.62.75.90.80.90.98.21.80.0.14.43.88.10.93.31.32.91.12.01.17.84.422.14.15.41.30.0.1.60.97.32.00.70.76.81.012.73.55.61.011.11.20.0.1.60.86.40.3
11-20 years ago1.20.73.23.21.71.73.90.64.12.12.61.04.74.513.03.67.60.80.50.52.51.04.51.717.36.26.42.43.21.00.0.2.41.23.71.52.21.35.30.95.42.47.51.14.90.80.0.2.30.94.70.3
21-30 years ago1.90.89.55.26.63.83.20.61.91.40.90.60.0.9.93.28.90.97.31.93.31.20.50.55.33.83.41.73.91.13.02.15.91.82.01.11.81.38.11.02.31.64.50.97.01.06.34.42.30.95.10.3
31-40 years ago2.30.911.65.60.0.3.30.60.0.0.90.60.0.3.62.04.40.72.11.02.10.90.0.0.0.4.42.03.31.00.0.2.31.22.51.30.0.5.50.911.73.34.10.86.71.00.0.0.80.63.60.2
41-50 years ago0.80.50.0.0.0.2.20.52.41.72.51.00.0.6.52.62.50.51.10.70.80.60.0.2.52.55.12.21.40.73.62.62.91.34.41.60.0.6.40.94.42.11.80.66.31.00.0.0.80.62.90.2
over 50 years ago1.10.710.25.52.62.76.80.82.41.74.01.30.0.15.73.823.81.33.61.43.81.22.61.318.46.117.23.712.11.91.41.41.71.010.92.40.0.47.01.916.03.85.61.026.21.70.0.0.0.14.80.4
total10.71.944.38.313.65.225.41.411.63.319.02.64.74.563.25.155.31.617.92.815.62.39.62.451.38.158.54.929.42.68.13.616.82.830.73.64.71.979.21.552.55.229.01.962.11.96.34.47.91.737.60.5
totalless than 10 years ago79.62.439.68.645.47.453.51.656.64.959.73.157.215.836.85.124.71.454.83.555.73.271.73.639.07.850.85.046.82.962.85.858.63.645.23.973.13.712.91.338.15.147.92.120.91.665.78.273.72.743.50.6
11-20 years ago10.21.915.05.822.76.017.11.218.83.914.72.323.813.218.44.118.31.215.32.616.62.416.83.027.97.410.53.118.92.223.34.919.32.916.62.916.53.37.61.016.64.020.41.712.21.312.66.015.52.215.80.4
21-30 years ago4.51.321.57.319.95.910.91.014.93.48.81.80.0.12.93.514.71.117.32.815.52.38.32.310.24.86.02.311.31.87.33.213.62.611.12.59.52.69.91.12.31.612.21.411.41.218.47.07.01.611.30.4
31-40 years ago3.01.013.86.03.32.36.20.83.01.75.31.40.0.6.92.87.80.95.71.76.31.60.60.60.0.6.52.46.01.40.0.2.81.26.92.00.0.7.71.016.03.87.01.19.71.20.0.2.71.06.30.3
41-50 years ago1.50.80.0.3.42.43.50.64.32.24.11.39.59.57.42.84.60.71.60.91.30.70.0.2.52.55.12.23.11.05.13.02.91.36.82.00.0.8.11.05.52.43.60.810.71.20.0.1.10.74.60.3
over 50 years ago1.10.710.25.55.33.68.80.92.41.77.51.79.59.517.63.930.01.55.21.64.71.42.61.320.46.321.24.014.02.01.41.42.91.313.62.70.90.953.71.921.64.38.81.235.21.93.33.30.0.18.50.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #799181/265513
NFI4
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
0-1 yearn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago8.31.80.0.3.72.44.60.78.73.06.61.80.0.2.41.70.40.25.21.72.81.214.42.90.0.1.91.45.51.38.93.84.01.50.70.75.52.20.50.31.11.17.81.20.70.35.43.87.91.73.80.2
11-20 years ago5.51.50.0.0.0.1.70.42.11.52.31.00.0.1.11.10.90.32.21.13.91.43.11.40.0.1.21.22.10.90.0.4.41.72.01.12.51.50.0.3.52.03.60.80.50.36.44.62.10.91.80.2
21-30 years ago0.40.40.0.1.81.80.50.20.0.0.50.50.0.2.51.80.80.31.20.80.50.51.30.92.12.11.11.10.30.31.51.50.50.50.0.2.11.50.50.31.21.21.20.50.20.23.93.91.30.80.70.1
31-40 years ago0.0.0.0.0.0.0.30.20.0.0.90.60.0.1.11.10.20.20.50.52.11.00.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.20.20.30.20.0.0.0.0.30.1
41-50 years ago0.80.60.0.0.0.0.30.20.90.90.40.40.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.1.20.90.80.80.0.0.30.21.21.20.0.0.50.30.0.0.0.0.30.1
over 50 years ago0.40.40.0.0.0.0.60.20.0.0.90.60.0.1.11.10.40.20.60.60.0.0.0.0.0.1.11.10.0.0.0.1.51.10.70.70.0.0.30.21.21.20.20.21.10.40.0.0.0.0.50.1
total15.42.30.0.5.43.08.00.911.73.411.52.20.0.8.23.02.90.69.72.29.42.118.83.22.12.15.22.37.91.610.44.111.72.64.11.710.13.01.80.58.22.913.11.53.30.715.76.811.32.07.40.3
2-5 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.00.0
less than 10 years ago35.23.00.0.6.74.016.61.318.33.820.82.952.716.98.13.02.00.517.02.817.82.528.93.86.44.47.82.711.71.95.23.028.13.65.62.036.44.51.60.56.52.612.91.51.80.536.88.934.23.012.60.4
11-20 years ago2.91.113.66.617.66.04.80.714.83.75.51.70.0.3.82.22.90.69.32.28.92.03.01.54.22.85.72.45.91.420.55.44.81.77.02.18.72.70.50.31.21.25.91.10.50.30.0.5.11.44.40.3
21-30 years ago0.80.60.0.7.83.71.60.43.21.91.80.90.0.3.82.21.90.51.71.02.91.21.20.80.0.1.21.24.61.38.23.60.50.51.51.02.81.60.50.30.0.2.10.61.00.40.0.0.90.61.70.2
31-40 years ago0.0.0.0.0.0.1.10.43.21.91.40.80.0.4.72.31.20.41.10.81.40.80.60.60.0.0.0.1.20.70.0.1.00.71.51.01.11.10.30.21.11.11.60.60.30.20.0.0.40.41.00.1
41-50 years ago0.40.43.93.90.0.0.30.20.0.0.90.60.0.2.41.70.90.30.60.61.20.80.0.0.0.1.11.10.30.30.0.0.50.50.70.70.0.0.80.40.0.1.00.40.80.40.0.0.40.40.70.1
over 50 years ago0.40.40.0.0.0.0.50.20.0.0.0.0.0.1.11.11.20.40.0.0.60.60.0.0.0.2.41.61.00.60.0.0.0.0.60.60.0.2.10.61.11.10.60.42.60.70.0.0.0.1.00.1
total39.93.117.57.432.27.324.91.539.65.130.43.352.716.924.04.710.11.029.63.532.73.233.74.010.65.218.13.824.72.633.96.334.93.816.83.148.94.85.80.910.03.224.21.97.01.036.88.941.13.121.40.5
6-10 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago22.42.713.66.611.55.215.91.214.73.713.32.40.0.2.21.54.20.716.92.920.82.832.54.08.54.812.33.114.02.021.25.418.13.112.92.824.14.01.60.510.73.414.31.62.50.627.98.422.02.711.80.4
11-20 years ago2.51.06.84.98.54.45.40.85.32.38.01.90.0.6.52.62.60.53.51.45.61.64.41.810.65.31.30.95.01.39.43.68.12.18.92.42.71.31.00.43.31.85.11.02.30.60.0.5.31.44.10.3
21-30 years ago1.30.72.82.81.81.82.80.60.90.92.01.010.510.52.21.52.00.52.31.10.90.60.0.6.34.40.0.1.30.71.81.80.50.51.41.02.81.60.70.34.82.44.00.91.30.50.0.2.41.01.90.2
31-40 years ago0.0.3.93.90.0.0.80.32.11.52.41.10.0.1.11.10.70.31.71.01.10.81.30.93.03.00.0.1.60.70.0.0.50.50.60.62.11.50.80.40.0.1.40.51.60.50.0.1.70.81.10.1
41-50 years ago0.0.0.0.0.0.0.20.20.0.1.60.90.0.0.0.0.30.20.60.60.50.50.60.60.0.1.91.41.60.80.0.0.80.80.60.60.0.1.10.40.0.2.00.60.90.40.0.0.0.0.70.1
over 50 years ago0.40.40.0.1.81.80.90.30.0.2.61.20.0.2.11.52.60.51.81.00.50.50.0.4.22.80.0.0.80.60.0.0.0.0.0.0.0.3.00.70.0.0.80.43.80.83.93.90.30.31.60.2
total26.62.927.18.523.66.726.01.522.94.429.83.210.510.514.13.612.41.126.83.429.43.138.84.132.68.215.53.424.42.532.46.227.93.524.43.631.74.38.11.118.84.327.62.012.41.331.88.831.73.021.30.5
11-20 yearsn/a0.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago8.31.83.93.911.65.08.40.98.72.811.12.10.0.8.13.03.00.69.82.311.32.21.10.87.44.23.81.95.71.415.04.76.32.07.52.22.51.52.20.69.83.310.21.43.90.812.86.06.21.66.30.3
11-20 years ago0.80.66.84.93.62.53.10.62.11.51.40.80.0.3.72.11.50.42.91.35.21.60.0.11.45.69.82.93.51.13.42.42.31.22.51.20.0.1.20.45.62.52.00.64.50.80.0.3.31.12.70.2
21-30 years ago0.80.60.0.1.81.82.30.52.11.50.50.510.510.50.0.1.60.41.71.00.50.51.20.80.0.1.71.22.10.81.51.51.30.92.61.32.11.51.00.43.62.12.60.71.60.50.0.0.40.41.60.2
31-40 years ago0.0.7.85.31.81.81.00.31.21.21.30.70.0.0.0.0.90.30.60.60.0.0.0.0.0.0.0.0.70.50.0.0.0.1.10.80.0.0.90.42.41.70.80.40.60.30.0.0.0.0.70.1
41-50 years ago0.0.2.82.80.0.1.00.30.90.91.20.70.0.0.0.0.50.20.0.0.40.40.0.0.0.0.0.2.00.91.81.80.0.0.70.70.0.0.80.41.21.21.00.51.00.40.0.0.0.0.70.1
over 50 years ago0.0.6.74.60.0.1.10.31.31.30.0.0.0.4.92.42.40.50.60.61.00.70.0.0.0.3.92.01.90.80.0.0.0.1.51.11.11.14.70.83.52.01.40.55.20.90.0.0.0.2.10.2
total10.52.028.08.718.75.916.91.316.23.815.52.410.510.516.74.19.81.015.62.818.42.72.31.118.86.619.33.915.92.221.75.49.92.415.93.05.72.310.81.226.14.818.01.716.71.512.86.09.91.914.10.4
> 20 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago1.70.80.0.6.73.76.50.82.11.53.31.221.114.05.42.311.01.04.01.54.01.40.60.612.45.79.52.95.01.30.0.3.61.59.72.51.61.25.60.93.62.13.40.813.01.43.02.91.50.86.40.3
11-20 years ago2.10.97.85.31.81.83.00.60.0.1.91.00.0.3.52.08.80.93.51.41.40.81.30.95.53.94.12.05.31.40.0.2.11.04.01.61.91.44.40.83.11.72.50.74.40.80.0.1.20.73.90.2
21-30 years ago0.40.40.0.1.81.82.70.61.81.31.50.95.24.96.62.68.50.92.21.10.60.60.60.66.44.44.62.01.40.70.0.1.20.94.01.60.0.4.80.85.32.51.80.65.10.90.0.1.70.83.60.2
31-40 years ago0.80.67.95.46.64.02.50.50.90.91.50.90.0.3.21.87.70.93.51.40.40.41.61.20.0.2.31.32.50.90.0.2.51.32.81.40.0.6.41.06.02.62.00.66.01.00.0.0.40.43.80.2
41-50 years ago0.80.63.93.90.0.1.90.50.0.0.0.0.0.4.02.24.70.71.71.01.10.80.0.0.0.4.82.21.50.70.0.1.30.93.91.60.0.6.21.03.11.72.00.66.31.00.0.0.40.43.00.2
over 50 years ago1.70.87.85.33.13.17.30.94.82.44.61.50.0.14.33.824.01.43.41.42.61.22.21.311.65.716.73.811.52.01.51.54.91.714.32.90.0.46.02.015.84.05.31.025.81.80.0.0.90.615.00.4
total7.61.727.48.620.16.324.11.49.63.112.82.426.314.537.05.064.71.518.32.910.22.16.42.135.98.341.94.827.22.71.51.515.72.938.83.93.51.873.51.736.95.017.01.760.61.93.02.96.01.535.80.5
totaln/a0.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.00.0
less than 10 years ago76.02.817.57.440.27.352.11.752.45.155.13.573.714.526.24.820.61.352.93.756.83.477.53.534.78.435.24.541.92.950.36.560.13.936.54.070.14.311.51.331.75.248.62.321.91.785.86.571.92.841.00.6
11-20 years ago13.92.334.99.331.57.218.01.324.24.419.12.80.0.18.64.316.71.221.43.225.03.011.82.731.78.022.14.221.72.533.36.221.63.224.43.615.73.47.01.016.73.919.01.812.21.36.44.616.92.417.00.5
21-30 years ago3.81.22.82.815.04.89.91.08.02.86.21.726.314.515.13.914.81.29.12.25.41.64.31.614.86.38.52.89.81.813.14.44.01.59.52.49.92.97.41.014.94.011.81.59.01.23.93.96.61.69.60.4
31-40 years ago0.80.619.67.88.44.35.80.87.42.77.51.80.0.10.13.110.71.07.42.05.01.63.51.63.03.02.31.36.01.40.0.4.11.56.02.03.21.88.61.19.63.36.11.18.91.20.0.2.51.06.80.3
41-50 years ago2.10.910.76.10.0.3.90.61.81.34.11.40.0.6.42.86.70.82.91.33.11.30.60.60.0.7.82.75.41.41.81.83.81.66.62.10.0.9.31.25.52.46.01.19.51.20.0.0.80.65.40.3
over 50 years ago2.91.114.56.84.93.610.41.06.12.68.01.90.0.23.54.730.51.56.31.94.61.52.21.315.76.224.04.315.12.21.51.56.42.017.03.11.11.156.22.021.74.68.41.338.52.03.93.91.20.720.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #799182/265514
NFI4
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
0-1 yearn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago8.31.80.0.3.82.54.70.78.93.16.71.80.0.2.71.90.30.25.31.72.91.214.62.90.0.2.01.55.41.49.03.94.11.60.70.75.52.30.50.31.21.28.01.20.70.35.64.08.11.73.90.3
11-20 years ago5.51.50.0.0.0.1.70.52.11.52.31.00.0.1.21.20.90.32.31.13.91.43.21.40.0.1.31.31.90.80.0.3.81.62.01.22.51.50.0.3.72.13.40.80.60.36.64.82.10.91.80.2
21-30 years ago0.40.40.0.1.91.90.50.20.0.0.50.50.0.2.71.90.80.31.20.80.0.1.30.92.12.11.11.10.30.31.51.50.50.50.0.2.21.50.60.31.21.21.00.50.20.24.14.00.90.60.70.1
31-40 years ago0.0.0.0.0.0.0.40.20.0.0.90.60.0.1.21.20.20.20.50.52.11.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.20.20.30.20.0.0.0.0.30.1
41-50 years ago0.80.60.0.0.0.0.30.20.90.90.40.40.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.1.30.90.80.80.0.0.30.21.21.20.0.0.30.20.0.0.0.0.30.1
over 50 years ago0.40.40.0.0.0.0.60.30.0.0.90.60.0.1.21.20.50.20.60.60.0.0.0.0.0.1.11.10.0.0.0.1.51.10.70.70.0.0.30.21.21.20.20.21.20.50.0.0.0.0.50.1
total15.42.30.0.5.63.18.20.911.93.511.62.30.0.8.93.23.00.69.82.38.92.019.13.22.12.15.62.57.61.610.64.211.22.64.21.710.23.01.90.68.63.012.91.53.30.716.37.111.12.07.50.3
2-5 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.00.0
less than 10 years ago35.23.00.0.6.94.117.01.318.73.921.02.952.716.98.93.32.10.517.22.818.02.629.33.96.64.58.32.812.02.05.33.028.53.65.72.036.84.61.70.56.82.712.91.51.90.638.39.233.93.013.00.4
11-20 years ago2.91.113.66.618.36.34.80.715.13.85.61.70.0.4.12.43.10.69.42.28.92.02.21.34.32.96.12.66.31.520.85.54.81.77.12.28.82.70.50.31.21.26.01.10.50.30.0.5.21.44.60.3
21-30 years ago0.80.60.0.8.13.91.40.43.31.91.80.90.0.4.22.42.10.51.71.02.91.21.20.90.0.1.31.34.91.38.43.60.50.51.51.02.81.70.50.30.0.2.10.71.00.40.0.0.90.61.80.2
31-40 years ago0.0.0.0.0.0.1.10.43.31.91.40.80.0.5.12.51.30.41.10.81.40.80.70.70.0.0.0.1.30.70.0.1.10.71.51.11.11.10.20.21.21.21.50.50.30.20.0.0.50.51.00.1
41-50 years ago0.40.43.93.90.0.0.30.20.0.0.90.60.0.2.71.90.90.30.60.61.20.80.0.0.0.1.11.10.30.30.0.0.50.50.70.70.0.0.80.40.0.1.00.40.90.40.0.0.50.50.70.1
over 50 years ago0.40.40.0.0.0.0.50.20.0.0.0.0.0.1.21.21.30.40.0.0.60.60.0.0.0.1.31.31.00.60.0.0.0.0.60.60.0.2.10.61.21.20.40.32.80.70.0.0.0.0.90.1
total39.93.117.57.433.47.625.21.540.35.230.73.352.716.926.25.010.81.129.93.533.03.233.44.010.85.318.24.025.82.734.56.435.43.817.13.249.54.95.81.010.43.324.12.07.41.138.39.241.03.221.90.5
6-10 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago22.42.713.66.612.05.415.91.314.03.712.92.40.0.2.41.74.40.717.12.921.02.832.34.08.75.012.13.214.92.221.55.518.43.113.22.924.44.01.60.59.93.414.61.62.50.725.08.222.12.712.00.4
11-20 years ago2.51.06.84.96.94.15.60.85.42.37.61.90.0.7.12.82.70.63.61.45.71.64.51.810.95.41.41.05.31.49.63.78.22.29.12.42.71.30.90.43.41.95.01.02.40.60.0.5.01.44.20.3
21-30 years ago1.30.72.82.81.91.92.90.60.90.92.01.010.510.52.41.71.80.52.31.20.90.70.0.6.44.50.0.1.00.61.91.90.50.51.51.02.81.70.70.35.02.54.10.91.40.50.0.2.41.01.90.2
31-40 years ago0.0.3.93.90.0.0.80.32.11.52.41.10.0.1.21.20.80.31.71.01.10.81.30.93.13.10.0.1.70.80.0.0.50.50.60.62.21.50.80.40.0.1.40.51.70.50.0.1.70.91.10.1
41-50 years ago0.0.0.0.0.0.0.30.20.0.1.60.90.0.0.0.0.30.20.60.60.50.50.70.70.0.2.01.51.70.80.0.0.80.80.60.60.0.1.20.40.0.2.00.61.00.40.0.0.0.0.70.1
over 50 years ago0.40.40.0.1.91.90.60.30.0.2.61.20.0.2.31.62.60.51.81.00.50.50.0.4.32.90.0.0.90.60.0.0.0.0.0.0.0.3.10.70.0.0.80.43.80.84.14.00.30.31.60.2
total26.62.927.18.522.66.726.01.522.44.429.23.210.510.515.43.912.71.127.13.429.73.238.74.233.48.415.63.625.42.732.96.328.33.624.93.732.14.38.31.118.44.427.92.012.81.429.18.731.73.021.60.5
11-20 yearsn/a0.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago8.31.83.93.912.05.28.61.07.92.711.22.20.0.7.73.13.00.69.92.311.42.31.10.87.64.34.12.06.11.513.74.66.42.07.72.22.51.52.20.610.23.510.21.44.10.813.36.26.41.66.40.3
11-20 years ago0.80.66.84.93.72.63.20.62.11.51.50.80.0.4.12.31.60.42.91.35.21.60.0.11.75.79.83.13.71.23.42.41.60.92.51.30.0.1.20.55.82.62.00.64.60.90.0.3.41.22.70.2
21-30 years ago0.80.60.0.1.91.92.30.52.11.50.50.510.510.50.0.1.70.41.81.00.50.51.20.90.0.1.81.31.80.81.51.51.30.92.71.32.21.51.00.43.82.22.70.71.50.50.0.0.40.41.60.2
31-40 years ago0.0.7.85.31.91.91.10.41.21.21.30.70.0.0.0.0.90.30.60.60.0.0.0.0.0.0.0.0.80.60.0.0.0.1.20.80.0.1.00.42.51.80.80.40.70.30.0.0.0.0.80.1
41-50 years ago0.0.2.82.80.0.1.00.30.90.91.20.70.0.0.0.0.60.30.0.0.50.50.0.0.0.0.0.1.70.81.91.90.0.0.70.70.0.0.90.41.21.21.10.51.00.40.0.0.0.0.70.1
over 50 years ago0.0.6.74.60.0.1.10.41.31.30.0.0.0.5.32.62.50.50.60.60.50.50.0.0.0.4.22.12.00.90.0.0.0.0.80.80.0.4.80.93.72.11.40.55.50.90.0.0.0.2.10.2
total10.52.028.08.719.56.117.41.315.63.815.62.410.510.517.04.310.41.015.72.818.12.72.31.119.36.720.04.116.02.320.55.49.22.315.53.04.72.111.01.327.25.018.21.717.51.613.36.210.12.014.40.5
> 20 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago1.70.80.0.5.13.46.40.82.11.53.31.321.114.05.82.510.91.13.51.44.11.40.70.712.65.89.12.94.91.30.0.3.61.59.22.51.71.25.91.03.82.23.50.813.21.43.13.11.60.86.40.3
11-20 years ago2.10.97.85.31.91.92.80.60.0.1.91.00.0.3.82.29.21.03.01.31.50.81.30.93.33.34.42.15.21.40.0.2.11.03.51.61.91.44.30.82.21.52.50.74.70.90.0.1.20.73.90.3
21-30 years ago0.40.40.0.1.91.92.60.51.81.31.50.95.24.95.82.57.70.92.31.10.60.60.70.76.64.52.81.61.10.70.0.1.30.94.11.70.0.4.80.95.52.61.70.64.50.90.0.1.70.93.30.2
31-40 years ago0.80.67.95.46.94.12.40.50.90.91.50.90.0.2.41.78.00.93.51.40.50.51.61.20.0.2.51.42.61.00.0.2.61.32.91.40.0.6.11.05.22.62.10.75.40.90.0.0.40.43.60.2
41-50 years ago0.80.63.93.90.0.2.00.50.0.0.0.0.0.3.02.14.70.71.71.01.10.80.0.0.0.5.22.31.20.70.0.1.30.93.91.60.0.6.01.03.21.82.00.65.61.00.0.0.40.42.80.2
over 50 years ago1.70.87.85.33.23.27.00.94.92.44.61.50.0.11.63.722.61.43.41.42.61.22.21.311.85.816.83.910.11.91.51.55.01.814.63.00.0.45.82.015.54.15.21.025.71.80.0.0.90.614.50.4
total7.61.727.48.618.96.323.21.49.83.212.92.426.314.532.55.163.11.617.42.910.32.26.52.134.48.340.75.025.22.71.51.515.92.938.34.03.61.873.01.835.45.116.91.758.92.03.13.16.21.534.60.6
totaln/a0.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.00.0
less than 10 years ago76.02.817.57.439.87.552.71.751.65.255.13.573.714.527.45.120.81.453.03.757.43.478.03.435.68.535.74.743.23.049.56.560.93.936.54.170.84.311.91.331.95.349.12.322.41.785.36.772.12.941.70.6
11-20 years ago13.92.334.99.330.87.318.21.324.74.518.82.80.0.20.34.617.61.321.13.225.33.111.12.730.18.023.04.422.32.633.86.320.53.224.33.615.93.56.91.016.33.919.01.812.81.46.64.816.92.417.30.5
21-30 years ago3.81.22.82.815.64.99.61.08.22.86.31.726.314.515.14.114.11.29.22.24.91.54.41.615.16.47.12.79.21.813.34.44.11.69.72.510.02.97.61.115.64.111.51.58.61.24.14.06.31.69.40.4
31-40 years ago0.80.619.67.88.84.55.70.87.52.87.61.80.0.9.93.211.21.17.42.05.11.63.61.63.13.12.51.46.41.50.0.4.11.66.12.03.21.88.21.18.93.26.01.18.41.20.0.2.61.06.80.3
41-50 years ago2.10.910.76.10.0.4.00.71.81.34.21.40.0.5.62.76.70.82.91.33.21.30.70.70.0.8.32.94.91.41.91.93.81.66.72.10.0.9.21.25.72.56.11.18.81.20.0.0.80.65.30.3
over 50 years ago2.91.114.56.85.03.79.81.06.22.78.12.00.0.21.74.729.51.56.41.94.21.52.21.316.16.323.44.514.02.21.51.56.52.016.63.10.0.56.12.021.64.78.11.239.12.04.14.01.20.719.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #799183/265515
NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %± %±
0-1 yearless than 10 years ago8.30.63.70.62.80.70.90.40.80.30.10.14.20.3
11-20 years ago2.30.30.80.30.30.20.30.20.30.20.30.21.10.1
21-30 years ago0.90.20.30.20.30.20.0.0.40.20.30.20.50.1
31-40 years ago0.10.10.10.10.10.10.0.0.10.10.40.20.20.1
41-50 years ago0.00.00.20.10.0.0.20.20.10.10.0.0.10.0
over 50 years ago0.30.10.10.10.0.0.80.40.30.20.10.10.30.1
total12.00.75.20.73.60.72.20.62.10.51.20.46.30.3
2-5 yearsless than 10 years ago27.41.011.91.09.41.11.30.53.80.71.40.413.90.4
11-20 years ago6.40.53.40.63.40.70.70.42.50.61.50.43.90.3
21-30 years ago2.70.41.70.41.40.50.30.20.60.30.70.31.60.2
31-40 years ago0.40.11.60.40.70.30.70.30.40.20.30.20.70.1
41-50 years ago0.00.00.30.20.50.30.30.20.80.30.30.20.30.1
over 50 years ago0.30.10.60.30.30.22.00.61.10.41.60.50.80.1
total37.41.019.61.315.71.45.40.99.31.15.80.921.20.5
6-10 yearsless than 10 years ago21.20.913.31.113.81.43.80.86.70.91.80.513.00.4
11-20 years ago3.90.45.00.74.70.83.80.83.90.71.10.43.80.3
21-30 years ago1.80.33.60.62.80.62.10.61.60.50.80.32.10.2
31-40 years ago0.50.11.70.40.80.30.70.31.40.40.70.30.90.1
41-50 years ago0.20.10.70.30.30.22.00.60.60.30.30.20.50.1
over 50 years ago0.30.10.80.30.80.42.30.61.80.52.50.61.10.1
total28.01.025.01.423.11.714.71.516.01.47.00.921.40.5
11-20 yearsless than 10 years ago6.80.58.30.99.51.13.70.88.21.02.30.56.60.3
11-20 years ago1.20.22.80.55.00.92.40.65.60.90.40.22.50.2
21-30 years ago1.20.22.10.52.70.62.00.62.40.61.10.41.70.2
31-40 years ago0.30.11.40.41.70.51.00.41.90.50.90.31.00.1
41-50 years ago0.30.10.50.21.00.42.20.60.70.31.20.40.70.1
over 50 years ago0.20.10.80.30.90.44.30.81.60.54.20.71.50.2
total10.10.715.91.220.81.615.61.520.41.510.01.114.10.5
> 20 yearsless than 10 years ago2.80.48.00.97.81.111.71.39.51.15.50.86.30.3
11-20 years ago2.40.36.30.85.50.94.90.98.71.15.40.84.80.3
21-30 years ago2.90.43.30.64.30.87.11.19.31.17.91.05.00.3
31-40 years ago1.90.33.30.64.20.86.01.03.70.75.40.83.50.2
41-50 years ago1.10.22.80.53.10.76.41.02.00.56.20.92.90.2
over 50 years ago1.50.310.61.012.01.325.91.819.01.445.51.814.50.4
total12.60.734.31.536.81.962.12.052.31.876.01.537.00.6
totalless than 10 years ago66.51.045.21.643.32.021.41.729.11.711.01.144.00.6
11-20 years ago16.30.818.31.218.91.512.21.421.01.58.61.016.10.5
21-30 years ago9.60.611.11.011.41.211.51.314.31.310.71.111.00.4
31-40 years ago3.20.48.10.97.51.08.31.27.51.07.71.06.10.3
41-50 years ago1.70.34.50.74.80.811.21.34.20.78.01.04.60.3
over 50 years ago2.70.412.91.114.11.435.42.023.81.654.01.818.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 22.06.2020 #799184/265516
NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %± %±
0-1 yearless than 10 years ago8.30.64.00.72.80.71.00.41.00.40.20.24.50.3
11-20 years ago2.30.30.80.30.20.20.40.30.30.20.30.21.20.1
21-30 years ago1.00.20.30.20.30.20.0.0.50.30.30.20.60.1
31-40 years ago0.10.10.10.10.20.20.0.0.20.20.30.20.20.1
41-50 years ago0.00.00.20.10.0.0.20.20.20.20.0.0.10.0
over 50 years ago0.30.10.10.10.0.1.00.40.30.20.20.20.30.1
total12.00.75.50.83.50.82.50.72.50.61.30.56.70.3
2-5 yearsless than 10 years ago27.91.012.31.19.71.21.30.53.70.81.60.514.80.5
11-20 years ago6.50.53.40.63.40.80.80.42.60.71.70.54.10.3
21-30 years ago2.60.31.90.51.50.50.20.20.30.20.80.41.70.2
31-40 years ago0.40.11.60.40.80.40.80.40.50.30.30.20.70.1
41-50 years ago0.00.00.30.20.50.30.40.31.00.40.30.20.30.1
over 50 years ago0.30.10.60.20.20.22.30.71.20.41.80.50.80.1
total37.71.120.21.316.11.55.81.09.21.26.61.022.40.5
6-10 yearsless than 10 years ago21.30.913.91.114.51.53.80.97.41.12.00.613.80.5
11-20 years ago4.00.45.10.75.20.94.30.94.50.81.30.54.10.3
21-30 years ago1.80.33.80.62.90.71.90.61.50.50.80.42.10.2
31-40 years ago0.40.11.70.40.80.40.70.41.60.50.80.40.90.1
41-50 years ago0.20.10.60.30.30.22.10.60.70.30.30.20.60.1
over 50 years ago0.30.10.80.30.90.42.70.72.00.63.00.71.20.1
total28.11.025.91.424.71.815.61.617.51.58.21.122.60.6
11-20 yearsless than 10 years ago6.90.68.90.910.21.23.60.89.21.22.70.77.10.4
11-20 years ago1.20.22.90.55.00.92.60.76.41.00.30.22.50.2
21-30 years ago1.20.22.10.52.90.72.00.62.10.60.80.41.70.2
31-40 years ago0.30.11.50.41.90.61.00.42.30.60.80.31.00.1
41-50 years ago0.30.10.50.21.10.42.60.70.80.41.40.50.80.1
over 50 years ago0.20.10.80.30.90.44.91.01.70.55.00.91.60.2
total10.00.716.71.221.91.716.61.722.51.711.11.314.70.5
> 20 yearsless than 10 years ago2.60.47.90.98.51.212.41.59.71.25.50.96.30.3
11-20 years ago2.30.35.90.85.00.94.70.97.91.14.10.84.30.3
21-30 years ago2.90.43.30.63.90.84.60.98.11.15.70.94.20.3
31-40 years ago1.90.33.10.63.80.85.01.03.00.74.70.93.10.2
41-50 years ago1.10.22.50.52.90.76.41.11.90.56.21.02.70.2
over 50 years ago1.50.38.90.99.81.226.42.017.61.546.62.013.10.4
total12.20.731.71.533.81.959.42.248.22.072.81.833.60.6
totalless than 10 years ago67.01.047.21.645.62.122.11.930.91.912.01.346.40.6
11-20 years ago16.10.818.01.318.81.612.81.521.71.77.71.116.10.5
21-30 years ago9.50.611.31.111.51.38.71.312.51.38.41.110.20.4
31-40 years ago3.20.48.10.97.51.17.51.27.51.17.01.05.80.3
41-50 years ago1.70.34.20.74.80.911.61.44.50.88.31.14.50.3
over 50 years ago2.50.311.21.011.81.337.32.222.81.756.72.016.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 22.06.2020 #799185/265517
NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %± %±
0-1 yearless than 10 years ago8.40.63.70.62.70.60.90.40.80.30.10.14.20.3
11-20 years ago2.30.30.80.30.30.20.30.20.30.20.20.21.10.1
21-30 years ago0.90.20.30.20.30.20.0.0.40.20.20.20.50.1
31-40 years ago0.10.10.10.10.10.10.0.0.10.10.40.20.20.1
41-50 years ago0.00.00.20.10.0.0.20.20.10.10.0.0.10.0
over 50 years ago0.30.10.10.10.0.0.80.40.30.20.10.10.30.1
total12.10.75.10.73.50.72.20.62.10.51.20.46.30.3
2-5 yearsless than 10 years ago27.31.011.91.09.51.11.30.53.70.71.40.413.80.4
11-20 years ago6.40.53.30.63.50.70.70.42.50.61.50.43.90.3
21-30 years ago2.70.41.70.41.30.40.30.20.70.30.70.31.60.2
31-40 years ago0.40.11.70.40.70.30.70.30.40.20.30.20.70.1
41-50 years ago0.00.00.30.20.50.30.30.20.80.30.30.20.30.1
over 50 years ago0.30.10.60.20.50.32.00.61.20.41.70.50.80.1
total37.21.019.51.216.01.45.40.99.41.15.80.821.10.5
6-10 yearsless than 10 years ago21.10.913.31.113.61.33.80.86.70.91.70.512.90.4
11-20 years ago3.90.44.90.74.60.83.70.83.90.71.00.43.80.2
21-30 years ago1.80.33.50.62.70.62.00.61.80.50.80.32.10.2
31-40 years ago0.50.11.70.40.70.30.80.41.30.40.60.30.90.1
41-50 years ago0.20.10.70.30.30.22.00.60.50.30.30.20.50.1
over 50 years ago0.30.10.90.30.80.42.30.61.80.52.70.61.20.1
total27.91.024.91.422.81.614.71.515.91.47.10.921.30.5
11-20 yearsless than 10 years ago6.70.58.10.99.51.13.60.88.21.02.20.56.60.3
11-20 years ago1.20.22.80.55.10.82.40.65.50.80.40.22.40.2
21-30 years ago1.20.22.10.52.60.62.00.62.30.61.00.41.70.2
31-40 years ago0.30.11.40.41.60.51.00.41.90.50.90.31.00.1
41-50 years ago0.30.10.60.20.90.42.20.60.70.31.20.40.80.1
over 50 years ago0.30.10.80.30.90.44.30.81.60.54.10.71.50.2
total10.10.615.71.120.61.615.51.520.11.59.81.113.90.4
> 20 yearsless than 10 years ago2.80.48.10.88.11.111.61.39.51.15.50.86.40.3
11-20 years ago2.60.36.30.85.50.94.90.98.71.05.40.84.90.3
21-30 years ago2.90.43.30.64.30.87.01.19.31.18.11.05.00.3
31-40 years ago1.90.33.30.64.10.86.11.03.90.75.30.83.50.2
41-50 years ago1.10.22.90.53.00.76.61.02.00.56.20.92.90.2
over 50 years ago1.50.310.91.012.01.326.01.819.21.445.71.814.70.4
total12.80.734.91.537.11.862.22.052.51.876.21.537.30.6
totalless than 10 years ago66.31.045.01.643.51.921.21.728.91.710.91.143.80.6
11-20 years ago16.50.818.11.219.01.512.11.320.71.58.51.016.10.5
21-30 years ago9.60.610.91.011.21.211.41.314.41.310.81.110.90.4
31-40 years ago3.20.48.10.87.41.08.61.27.71.07.50.96.20.3
41-50 years ago1.60.34.60.74.70.811.31.34.20.77.91.04.60.3
over 50 years ago2.80.413.31.114.21.435.52.024.01.654.41.818.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 22.06.2020 #799186/265518
NFI4
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %± %±
0-1 yearn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago8.20.62.50.53.00.70.70.30.40.20.50.33.90.2
11-20 years ago3.30.41.70.41.80.50.50.30.80.30.20.21.80.2
21-30 years ago0.80.20.90.31.00.40.20.20.80.30.50.30.70.1
31-40 years ago0.30.10.50.20.10.10.30.20.30.20.10.10.30.1
41-50 years ago0.30.10.30.20.30.20.50.30.30.20.30.20.30.1
over 50 years ago0.40.10.50.20.40.21.10.40.30.20.50.30.50.1
total13.10.76.30.86.71.03.30.72.80.62.20.57.50.3
2-5 yearsn/a0.00.00.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago26.80.98.10.98.71.11.80.52.10.51.60.512.60.4
11-20 years ago6.60.54.90.75.80.90.50.33.40.70.50.24.40.3
21-30 years ago1.80.31.60.43.10.71.00.41.70.51.00.41.70.2
31-40 years ago1.10.21.00.31.40.50.30.21.20.40.50.21.00.1
41-50 years ago0.40.10.70.30.80.30.80.40.70.31.00.40.70.1
over 50 years ago0.10.10.70.31.00.42.60.71.20.42.00.51.00.1
total36.91.017.11.220.81.57.01.010.21.16.60.921.30.5
6-10 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago20.50.912.71.011.91.22.50.64.20.72.10.511.90.4
11-20 years ago4.50.46.70.86.00.92.30.63.00.60.90.34.20.3
21-30 years ago1.90.33.10.51.90.51.30.52.30.50.60.31.90.2
31-40 years ago0.90.21.70.41.20.41.60.50.60.30.90.31.10.1
41-50 years ago0.40.11.10.30.90.40.90.40.20.21.00.40.70.1
over 50 years ago0.40.11.50.40.90.43.80.81.40.44.00.71.60.2
total28.61.026.71.422.71.612.41.311.81.29.61.021.40.5
11-20 yearsn/a0.00.00.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago7.10.610.81.07.31.03.90.83.60.71.80.56.30.3
11-20 years ago1.90.34.30.64.20.84.50.81.90.50.90.32.70.2
21-30 years ago1.20.22.70.52.20.61.60.51.70.51.00.31.60.2
31-40 years ago0.40.10.90.31.30.40.60.30.90.30.90.30.70.1
41-50 years ago0.30.11.30.41.20.41.00.40.60.30.60.30.70.1
over 50 years ago0.40.11.60.42.40.65.20.91.80.54.80.82.10.2
total11.20.721.71.318.51.516.81.510.51.110.01.114.20.4
> 20 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago2.40.37.40.86.00.913.01.412.41.25.40.86.40.3
11-20 years ago1.80.33.30.64.20.84.40.810.11.14.10.73.90.2
21-30 years ago1.30.22.90.53.40.75.10.99.51.14.60.73.70.2
31-40 years ago1.30.22.50.53.50.76.01.07.71.06.60.93.80.2
41-50 years ago0.80.22.40.52.50.66.31.04.70.86.00.83.00.2
over 50 years ago2.40.39.80.911.71.225.81.820.31.444.91.714.90.4
total10.10.628.21.431.41.760.61.964.71.771.61.635.70.5
totaln/a0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago65.01.041.51.536.81.921.91.722.71.511.41.141.00.6
11-20 years ago18.10.820.91.321.91.612.21.319.11.46.60.917.00.5
21-30 years ago6.90.511.21.011.61.29.01.216.01.37.80.99.70.4
31-40 years ago4.00.46.60.87.61.08.91.210.71.19.01.06.80.3
41-50 years ago2.20.35.80.75.60.99.51.26.50.99.01.05.40.3
over 50 years ago3.80.414.01.116.41.438.52.025.11.656.21.820.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 22.06.2020 #799187/265519
NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %± %±
0-1 yearless than 10 years ago8.10.63.40.53.20.60.80.30.70.30.20.24.10.2
11-20 years ago2.20.30.70.20.30.20.30.20.40.20.20.21.10.1
21-30 years ago1.00.20.30.10.30.20.0.0.50.20.20.20.50.1
31-40 years ago0.20.10.10.10.10.10.0.0.10.10.40.20.20.0
41-50 years ago0.00.00.20.10.0.0.30.20.10.10.0.0.10.0
over 50 years ago0.30.10.10.10.0.0.80.30.30.20.10.10.30.1
total11.90.74.70.63.80.72.10.62.10.51.20.46.20.3
2-5 yearsless than 10 years ago27.60.911.20.99.91.11.50.53.90.71.60.413.90.4
11-20 years ago6.30.53.60.63.40.70.90.42.20.51.30.43.80.2
21-30 years ago2.90.31.60.41.40.40.30.20.90.30.80.31.70.2
31-40 years ago0.50.11.50.40.80.30.70.30.50.30.20.20.70.1
41-50 years ago0.00.00.30.20.40.20.30.20.70.30.20.20.30.1
over 50 years ago0.30.10.50.20.50.32.00.51.20.41.60.40.80.1
total37.61.018.71.216.41.45.80.99.41.05.70.821.20.5
6-10 yearsless than 10 years ago20.60.813.41.013.41.33.50.76.50.91.80.512.70.4
11-20 years ago4.10.44.90.64.50.73.50.74.50.70.90.33.80.2
21-30 years ago2.10.33.60.62.80.61.80.51.70.50.90.32.20.2
31-40 years ago0.50.11.70.40.90.30.90.41.20.40.80.30.90.1
41-50 years ago0.20.10.90.30.30.21.80.50.50.20.50.20.60.1
over 50 years ago0.30.11.00.31.00.42.20.61.60.42.60.51.20.1
total27.90.925.41.322.81.513.81.316.01.37.60.921.40.5
11-20 yearsless than 10 years ago6.60.58.20.88.71.04.00.88.01.02.20.56.40.3
11-20 years ago1.10.22.80.55.20.82.60.64.90.80.30.22.40.2
21-30 years ago1.20.22.20.42.70.62.20.62.50.50.90.31.80.2
31-40 years ago0.30.11.30.31.50.41.30.41.80.50.80.30.90.1
41-50 years ago0.30.10.50.21.10.42.00.50.80.31.20.40.80.1
over 50 years ago0.30.10.90.31.20.44.00.81.40.43.80.71.40.1
total9.70.615.91.120.41.516.21.419.41.49.21.013.70.4
> 20 yearsless than 10 years ago2.80.38.40.88.01.011.11.29.31.05.90.86.40.3
11-20 years ago2.60.36.20.75.00.84.90.88.41.05.00.74.70.3
21-30 years ago3.00.33.80.64.50.87.01.09.21.08.00.95.10.3
31-40 years ago1.70.33.50.54.30.76.71.04.10.75.50.83.60.2
41-50 years ago1.10.22.90.52.80.66.31.02.10.56.00.82.90.2
over 50 years ago1.70.310.50.912.01.226.21.719.91.445.91.714.80.4
total12.90.735.31.436.61.762.11.953.11.776.31.437.50.5
totalless than 10 years ago65.71.044.51.543.11.820.91.628.41.611.81.143.50.6
11-20 years ago16.30.818.21.118.31.412.21.320.41.47.80.915.80.4
21-30 years ago10.20.611.51.011.71.211.41.214.71.210.81.111.40.4
31-40 years ago3.20.48.00.87.61.09.71.27.70.97.70.96.30.3
41-50 years ago1.70.34.80.64.60.810.71.24.20.77.90.94.60.3
over 50 years ago2.90.313.01.014.71.335.21.924.41.554.01.718.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 22.06.2020 #799188/265520
NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
0-1 yearless than 10 years ago5.70.98.21.88.31.87.01.412.51.44.81.64.00.93.11.03.61.21.91.42.71.41.00.41.00.40.20.24.50.3
11-20 years ago3.10.60.90.61.70.81.80.72.30.60.0.0.20.20.40.42.41.00.0.0.0.0.40.30.30.20.30.21.10.1
21-30 years ago1.30.40.40.41.20.70.90.50.60.30.50.50.40.30.60.40.0.0.0.0.0.0.0.0.50.30.30.20.60.1
31-40 years ago0.30.20.0.0.0.0.0.0.20.20.0.0.20.20.30.30.0.0.0.0.0.0.0.0.20.20.30.20.20.1
41-50 years ago0.10.10.0.0.0.0.0.0.0.0.40.40.20.20.0.0.0.0.0.0.0.0.20.20.20.20.0.0.10.0
over 50 years ago0.80.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.40.0.0.0.1.00.40.30.20.20.20.30.1
total11.41.29.52.011.32.19.61.615.51.55.71.75.01.04.31.16.41.61.91.42.71.42.50.72.50.61.30.56.70.3
2-5 yearsless than 10 years ago19.51.521.72.727.63.039.82.633.82.011.72.416.91.712.01.84.71.35.42.27.22.31.30.53.70.81.60.514.80.5
11-20 years ago7.91.05.81.61.40.89.31.55.01.04.71.42.70.83.61.03.71.23.81.82.01.20.80.42.60.71.70.54.00.3
21-30 years ago3.70.70.90.62.00.92.80.91.70.62.01.02.20.71.70.71.20.70.0.2.01.10.20.20.30.20.80.41.60.2
31-40 years ago0.70.30.0.0.0.0.0.0.70.43.21.20.90.50.50.41.40.72.71.50.0.0.80.40.50.30.30.20.70.1
41-50 years ago0.0.0.40.40.0.0.0.0.0.0.0.0.0.0.30.31.10.60.90.90.70.70.40.31.00.40.30.20.30.1
over 50 years ago0.50.30.0.0.40.40.30.30.0.0.40.40.70.40.0.0.30.31.01.00.0.2.30.71.20.41.80.50.80.1
total32.31.728.93.031.43.152.22.741.32.121.92.923.52.018.22.112.42.113.73.311.92.85.81.09.21.26.61.022.30.5
6-10 yearsless than 10 years ago18.41.422.62.822.52.820.62.224.91.913.62.517.41.819.22.27.51.78.52.78.32.33.80.97.41.12.00.613.80.5
11-20 years ago3.20.66.71.74.71.43.61.03.70.83.71.46.41.17.31.43.41.14.01.91.61.24.30.94.50.81.30.54.10.3
21-30 years ago2.10.53.61.31.20.71.10.61.30.55.91.84.21.03.81.11.60.81.81.21.61.21.90.61.50.50.80.42.20.2
31-40 years ago0.80.30.90.60.0.0.30.30.0.2.61.10.70.40.50.42.81.10.0.2.31.40.70.41.60.50.80.40.90.1
41-50 years ago0.0.0.90.60.40.40.0.0.30.21.00.70.20.20.60.41.20.70.0.0.0.2.10.60.70.30.30.20.60.1
over 50 years ago0.60.30.0.0.40.40.30.30.0.1.10.80.0.0.70.52.00.92.01.40.60.62.70.72.00.63.00.71.20.1
total25.11.634.73.229.33.025.92.330.32.027.93.229.12.132.22.518.52.516.33.614.43.015.61.617.51.58.21.122.70.6
11-20 yearsless than 10 years ago9.31.110.22.16.61.73.61.04.60.98.82.110.61.413.01.86.01.59.32.84.41.83.60.89.21.22.70.77.10.4
11-20 years ago1.50.41.80.90.90.60.60.41.00.44.71.52.10.74.91.22.81.05.62.24.51.72.60.76.41.00.30.22.50.2
21-30 years ago2.10.52.71.10.0.0.60.40.40.31.00.71.10.53.51.04.61.32.01.42.41.42.00.62.10.60.80.41.70.2
31-40 years ago0.70.30.50.50.0.0.0.0.0.2.41.11.60.61.40.60.80.62.81.61.91.11.00.42.30.60.80.31.00.1
41-50 years ago0.70.30.50.50.0.0.0.0.0.0.90.60.0.1.30.71.20.70.90.90.60.62.60.70.80.41.40.50.80.1
over 50 years ago0.10.10.0.1.00.70.30.30.0.1.80.90.60.40.50.40.30.32.81.60.0.4.91.01.70.55.00.91.60.2
total14.41.315.72.58.41.95.01.25.91.019.62.816.01.724.62.315.82.323.24.013.92.916.61.722.51.711.11.314.70.5
> 20 yearsless than 10 years ago2.60.61.70.96.01.62.50.81.90.69.32.17.31.24.21.17.91.714.73.414.73.212.41.59.71.25.50.96.30.3
11-20 years ago2.70.62.51.14.41.41.20.61.50.52.51.15.01.02.30.810.01.96.52.410.32.74.70.97.91.14.10.84.30.3
21-30 years ago5.00.82.31.02.21.01.40.61.50.52.01.02.90.82.70.94.91.40.90.99.32.54.60.98.11.15.70.94.10.3
31-40 years ago2.80.61.80.92.81.10.80.51.00.41.30.82.40.73.20.96.21.55.52.23.81.75.01.03.00.74.70.93.10.2
41-50 years ago1.20.41.91.02.71.10.30.30.60.32.51.01.70.61.10.64.11.34.52.06.32.26.41.11.90.56.21.02.70.2
over 50 years ago2.50.60.90.61.40.81.10.50.50.37.31.97.11.17.31.413.82.212.93.212.72.926.42.017.61.546.62.013.10.4
total16.91.411.22.219.62.77.31.47.01.124.93.126.52.020.72.246.93.144.84.757.14.359.42.248.22.072.81.833.70.6
totalless than 10 years ago55.61.864.53.271.03.073.52.377.71.848.23.656.32.351.42.729.72.839.84.837.44.222.11.930.91.912.01.346.50.6
11-20 years ago18.41.417.72.613.12.316.32.013.41.515.62.616.51.718.52.122.22.619.83.918.43.312.81.521.71.77.71.116.10.5
21-30 years ago14.31.39.92.06.71.66.81.35.51.011.42.310.91.512.31.812.22.14.62.015.33.18.71.312.51.38.41.110.20.4
31-40 years ago5.20.83.21.22.81.11.10.61.90.69.52.05.81.15.91.311.32.010.93.08.02.47.51.27.51.17.01.05.80.3
41-50 years ago2.00.53.71.33.11.20.30.30.90.44.81.42.20.73.31.07.71.76.22.37.62.411.61.44.50.88.31.14.50.3
over 50 years ago4.60.80.90.63.21.21.90.70.50.310.62.38.41.38.51.516.92.418.73.813.32.937.32.222.81.756.72.016.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #799189/265521
NFI4
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %± %±
0-1 yearn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago8.30.62.80.63.40.70.60.30.30.20.60.34.30.3
11-20 years ago3.20.41.70.42.00.60.70.40.80.40.30.22.00.2
21-30 years ago0.70.20.90.30.80.40.20.20.80.40.70.30.70.1
31-40 years ago0.30.10.50.20.20.20.40.30.30.20.0.0.30.1
41-50 years ago0.30.10.30.20.30.20.40.30.20.20.30.20.30.1
over 50 years ago0.40.10.50.20.30.21.40.50.30.20.70.30.50.1
total13.20.76.80.87.11.13.60.82.80.72.60.78.10.4
2-5 yearsn/a0.00.00.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago27.11.08.60.99.41.22.00.61.90.62.00.613.70.5
11-20 years ago6.50.55.00.76.51.00.60.34.20.80.60.34.70.3
21-30 years ago1.90.31.60.43.60.81.20.52.10.61.10.41.90.2
31-40 years ago0.90.21.00.31.50.50.40.31.30.50.50.30.90.1
41-50 years ago0.40.10.80.30.90.40.80.40.80.41.20.40.70.1
over 50 years ago0.10.10.70.31.00.43.20.81.50.52.20.61.00.1
total37.01.117.71.322.81.78.21.211.71.37.61.123.00.6
6-10 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago20.70.913.51.112.81.42.70.74.50.82.60.612.90.5
11-20 years ago4.50.57.30.96.21.02.80.73.40.71.00.44.50.3
21-30 years ago1.90.33.20.62.00.61.40.52.10.60.70.32.00.2
31-40 years ago0.90.21.90.41.20.41.50.50.80.30.80.41.10.1
41-50 years ago0.30.11.20.41.00.40.90.40.30.21.30.50.70.1
over 50 years ago0.40.11.30.41.10.44.20.91.30.54.90.91.60.2
total28.71.028.41.524.31.813.51.512.41.311.41.322.90.6
11-20 yearsn/a0.00.00.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago7.20.611.71.17.61.14.00.93.90.82.00.66.70.3
11-20 years ago1.80.34.30.74.90.95.31.02.40.61.20.42.90.2
21-30 years ago1.10.22.60.52.40.61.50.51.70.51.10.41.60.2
31-40 years ago0.30.11.00.31.40.50.80.41.20.41.10.40.80.1
41-50 years ago0.30.11.40.41.00.41.20.50.80.40.80.40.80.1
over 50 years ago0.40.11.60.42.50.76.41.12.10.65.80.92.20.2
total11.10.722.61.419.71.719.11.712.01.312.01.315.00.5
> 20 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago2.30.37.30.85.61.013.11.513.21.45.70.96.20.3
11-20 years ago1.90.32.80.63.70.84.91.010.71.24.10.83.80.3
21-30 years ago1.30.22.30.52.30.64.10.97.91.12.90.72.80.2
31-40 years ago1.40.32.40.53.30.73.50.86.51.04.10.82.90.2
41-50 years ago0.80.22.20.52.40.64.81.04.50.85.30.92.60.2
over 50 years ago2.30.37.70.99.01.225.21.918.21.544.32.012.80.4
total10.00.724.61.426.21.855.62.261.02.066.41.931.00.6
totaln/a0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago65.61.043.91.638.72.022.31.923.81.712.81.343.90.6
11-20 years ago17.80.821.11.423.31.814.31.621.41.77.21.117.90.5
21-30 years ago6.80.610.51.011.11.38.41.214.71.46.51.09.00.4
31-40 years ago3.90.46.80.87.41.16.61.110.01.26.51.06.00.3
41-50 years ago2.20.36.00.85.71.08.11.26.61.09.01.25.10.3
over 50 years ago3.60.411.71.113.81.440.42.223.41.758.02.018.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 22.06.2020 #799190/265522
NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
0-1 yearless than 10 years ago5.70.88.11.88.41.87.01.412.71.44.41.53.80.93.10.93.11.02.41.32.41.20.90.40.80.30.10.14.20.3
11-20 years ago3.10.60.90.61.60.81.80.72.20.60.50.50.20.20.60.42.10.80.0.0.0.0.30.20.30.20.30.21.10.1
21-30 years ago1.30.40.40.41.20.70.80.50.60.30.50.50.40.30.60.40.0.0.0.0.0.0.0.0.40.20.30.20.50.1
31-40 years ago0.20.20.0.0.0.0.0.0.20.20.0.0.20.20.30.30.0.0.0.0.0.0.0.0.10.10.40.20.20.1
41-50 years ago0.10.10.0.0.0.0.0.0.0.0.40.40.20.20.0.0.0.0.0.0.0.0.20.20.10.10.0.0.10.0
over 50 years ago0.90.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.40.0.0.0.0.80.40.30.20.10.10.30.1
total11.31.29.41.911.22.09.61.615.61.55.71.64.81.04.61.15.61.42.41.32.41.22.20.62.10.51.20.46.30.3
2-5 yearsless than 10 years ago18.91.421.82.727.72.939.72.633.42.010.82.216.81.711.51.74.71.26.92.26.52.01.30.53.80.71.40.413.90.4
11-20 years ago7.81.05.71.51.70.99.21.55.11.04.31.32.80.84.01.13.61.13.11.51.81.00.70.42.50.61.50.43.90.3
21-30 years ago3.90.70.90.62.00.92.80.91.90.61.90.92.10.71.60.71.00.60.0.1.81.00.30.20.60.30.70.31.60.2
31-40 years ago0.70.30.0.0.0.0.0.0.70.33.01.11.10.50.50.41.20.62.21.30.0.0.70.30.40.20.30.20.70.1
41-50 years ago0.0.0.40.40.0.0.0.0.0.0.0.0.0.0.30.30.90.50.70.70.60.60.30.20.80.30.30.20.30.1
over 50 years ago0.50.30.0.0.40.40.30.30.0.0.40.40.90.40.30.30.30.30.80.80.0.2.00.61.10.41.60.50.80.1
total31.71.728.82.931.83.052.02.741.12.120.42.823.71.918.32.011.81.913.83.010.72.55.40.99.31.15.80.921.10.5
6-10 yearsless than 10 years ago18.31.422.82.821.62.720.62.225.31.812.62.317.11.718.32.17.21.58.62.58.12.23.80.86.70.91.80.513.00.4
11-20 years ago3.10.67.01.74.51.33.61.03.60.84.31.46.21.16.81.33.21.03.31.61.41.03.80.83.90.71.10.43.80.3
21-30 years ago2.00.53.51.21.60.81.10.61.30.55.51.74.00.93.81.01.80.81.51.01.41.02.10.61.60.50.80.32.10.2
31-40 years ago0.90.30.90.60.0.0.30.30.0.2.41.00.90.50.50.42.50.90.0.2.11.20.70.31.40.40.70.30.90.1
41-50 years ago0.0.0.90.60.40.40.0.0.30.20.90.60.20.20.60.41.50.70.0.0.0.2.00.60.60.30.30.20.50.1
over 50 years ago0.70.30.0.0.40.40.30.30.0.1.60.90.0.0.70.51.70.81.71.20.50.52.30.61.80.52.50.61.10.1
total24.91.635.13.228.52.925.92.330.61.927.33.028.42.130.72.417.82.315.03.213.52.814.71.516.01.47.00.921.50.5
11-20 yearsless than 10 years ago9.11.010.52.16.31.63.61.04.50.98.22.010.11.412.51.75.21.38.52.43.91.63.70.88.21.02.30.56.70.3
11-20 years ago1.70.51.80.90.90.60.60.41.00.44.41.42.00.65.21.23.11.05.42.04.11.52.40.65.60.90.40.22.50.2
21-30 years ago2.00.52.71.10.40.40.60.40.40.31.40.81.00.53.20.94.31.21.61.12.11.32.00.62.40.61.10.41.70.2
31-40 years ago0.70.30.50.50.0.0.0.0.0.2.21.01.50.61.30.60.70.52.31.31.71.01.00.41.90.50.90.31.00.1
41-50 years ago0.60.30.50.50.0.0.0.0.0.0.80.60.0.1.20.61.10.60.70.70.50.52.20.60.70.31.20.40.80.1
over 50 years ago0.30.20.0.0.90.70.30.30.0.1.70.80.60.40.80.40.30.32.31.30.0.4.30.81.60.54.20.71.50.2
total14.41.315.82.58.51.85.01.25.81.018.72.715.31.624.22.214.72.120.83.512.42.715.61.520.41.510.01.114.10.5
> 20 yearsless than 10 years ago3.10.61.70.85.71.52.50.81.90.69.82.17.41.23.91.07.61.612.12.913.72.911.71.39.51.15.50.86.30.3
11-20 years ago3.00.62.41.14.71.41.40.61.40.53.91.44.81.02.70.910.51.86.12.111.02.64.90.98.71.15.40.84.80.3
21-30 years ago5.00.82.21.02.10.91.40.61.50.52.51.13.00.83.41.04.61.22.41.48.42.37.11.19.31.17.91.05.00.3
31-40 years ago2.80.61.80.93.21.20.80.51.00.41.70.92.50.73.30.96.11.46.82.24.11.76.01.03.70.75.40.83.50.2
41-50 years ago1.10.41.91.02.61.10.30.30.60.32.71.01.90.61.30.64.61.35.21.95.62.06.41.02.00.56.20.92.90.2
over 50 years ago2.60.60.90.61.80.91.10.50.50.37.21.88.31.27.71.416.82.215.53.218.23.125.91.819.01.445.51.814.50.4
total17.61.411.02.120.02.67.51.46.91.127.93.027.82.022.32.250.12.948.14.360.94.062.12.052.31.876.01.537.00.6
totalless than 10 years ago55.01.864.73.169.83.073.42.377.71.745.93.455.22.249.32.627.92.638.54.334.73.921.41.729.11.711.01.144.10.6
11-20 years ago18.71.417.82.613.42.216.52.013.41.417.42.616.01.719.42.122.42.517.93.418.33.112.21.421.01.58.61.016.10.5
21-30 years ago14.31.39.72.07.21.66.71.35.61.011.72.310.61.412.61.811.71.95.42.013.72.811.51.314.31.310.71.110.90.4
31-40 years ago5.20.83.11.23.21.21.10.61.80.69.31.96.21.15.91.210.51.811.32.87.82.28.31.27.51.07.71.06.10.3
41-50 years ago1.90.53.71.33.01.10.30.30.90.44.81.32.30.73.41.08.11.66.62.16.82.111.21.34.20.78.01.04.60.3
over 50 years ago4.90.80.90.63.51.21.90.70.50.310.92.29.81.39.41.519.52.320.23.618.73.135.42.023.81.654.01.818.10.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #799191/265523
NFI4
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %± %±
0-1 yearn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago8.20.62.60.53.00.70.70.30.30.20.50.34.00.3
11-20 years ago3.20.41.70.41.80.50.60.30.80.30.30.21.90.2
21-30 years ago0.70.20.80.30.90.40.20.20.90.40.50.30.70.1
31-40 years ago0.30.10.50.20.10.10.30.20.30.20.10.10.30.1
41-50 years ago0.30.10.30.20.30.20.30.20.30.20.30.20.30.1
over 50 years ago0.40.10.50.20.50.31.20.50.30.20.50.30.50.1
total13.10.76.40.86.71.03.30.72.90.62.30.67.60.3
2-5 yearsn/a0.00.00.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago27.01.08.20.99.01.11.90.62.20.61.70.513.00.4
11-20 years ago6.60.54.90.76.20.90.50.33.70.70.50.34.50.3
21-30 years ago1.90.31.50.43.20.71.00.41.80.51.10.41.80.2
31-40 years ago1.00.21.00.31.50.50.30.21.20.40.40.21.00.1
41-50 years ago0.40.10.80.30.80.40.90.40.70.31.10.40.70.1
over 50 years ago0.10.10.60.21.00.42.80.71.30.42.00.50.90.1
total37.11.017.11.221.71.67.41.110.81.26.70.921.80.5
6-10 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago20.50.912.61.112.21.32.50.74.50.82.10.512.10.4
11-20 years ago4.50.46.80.86.10.92.40.63.20.70.80.34.20.3
21-30 years ago1.90.33.20.61.80.51.40.52.10.50.70.31.90.2
31-40 years ago0.90.21.70.41.20.41.70.50.70.30.90.41.10.1
41-50 years ago0.40.11.10.30.90.41.00.40.30.21.10.40.70.1
over 50 years ago0.40.11.30.40.90.43.80.81.40.44.20.71.60.2
total28.71.026.81.423.21.712.81.412.11.29.91.121.70.5
11-20 yearsn/a0.00.00.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago7.00.611.21.07.51.04.10.83.70.71.70.56.40.3
11-20 years ago1.80.34.40.64.40.84.60.92.00.51.00.42.70.2
21-30 years ago1.10.22.80.52.20.61.50.51.80.51.00.41.60.2
31-40 years ago0.40.11.00.31.40.50.70.31.00.40.90.40.80.1
41-50 years ago0.30.11.40.41.10.41.00.40.70.30.70.30.70.1
over 50 years ago0.40.11.60.42.40.65.50.91.90.54.90.82.10.2
total11.10.722.31.318.91.517.51.611.11.210.31.114.40.5
> 20 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago2.40.37.40.85.60.913.21.412.21.25.70.86.30.3
11-20 years ago1.80.33.10.63.90.84.70.910.51.14.00.73.90.3
21-30 years ago1.30.22.60.53.10.74.50.98.61.14.60.83.40.2
31-40 years ago1.40.32.40.53.40.75.40.98.21.06.30.93.70.2
41-50 years ago0.80.22.50.52.40.65.61.04.70.85.80.92.80.2
over 50 years ago2.40.39.40.910.91.225.71.819.11.544.41.814.30.4
total10.00.627.41.429.51.858.92.063.21.870.81.634.40.6
totaln/a0.10.10.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago65.21.042.11.637.31.922.41.722.81.611.81.241.80.6
11-20 years ago18.00.821.01.322.51.612.81.420.21.56.60.917.30.5
21-30 years ago6.90.510.91.011.31.38.61.215.11.37.91.09.40.4
31-40 years ago4.00.46.70.87.71.08.41.211.31.28.71.06.80.3
41-50 years ago2.20.36.00.75.50.98.81.26.60.98.91.05.30.3
over 50 years ago3.70.413.41.115.71.439.12.024.01.656.01.819.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 22.06.2020 #799192/265524
NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
0-1 yearless than 10 years ago5.40.87.81.79.01.77.21.312.41.34.31.33.60.83.20.92.70.93.41.52.81.20.80.30.70.30.20.24.10.2
11-20 years ago2.80.60.80.61.80.81.80.72.40.60.40.40.20.20.50.41.70.70.0.0.0.0.30.20.40.20.20.21.10.1
21-30 years ago1.60.40.40.41.40.70.80.40.50.30.40.40.30.20.50.30.0.0.0.0.0.0.0.0.50.20.20.20.50.1
31-40 years ago0.20.20.0.0.0.0.0.0.30.20.0.0.20.20.20.20.0.0.0.0.0.0.0.0.10.10.40.20.20.0
41-50 years ago0.10.10.0.0.0.0.0.0.0.0.30.30.20.20.0.0.0.0.0.0.0.0.30.20.10.10.0.0.10.0
over 50 years ago0.90.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.30.0.0.0.0.80.30.30.20.10.10.30.1
total11.01.19.01.812.12.09.81.515.61.45.41.54.40.94.41.04.71.23.41.52.81.22.10.62.10.51.20.46.20.3
2-5 yearsless than 10 years ago18.71.323.22.627.32.739.22.433.81.910.02.015.71.611.81.64.81.17.62.27.22.01.50.53.90.71.60.413.90.4
11-20 years ago7.50.95.61.51.90.98.81.45.20.94.61.33.30.83.91.03.41.02.91.42.21.10.90.42.20.51.30.43.80.2
21-30 years ago4.20.71.20.72.10.82.90.81.80.51.70.82.10.61.90.70.80.50.0.1.60.90.30.20.90.30.80.31.70.2
31-40 years ago0.70.30.0.0.40.40.0.0.60.33.01.01.00.40.70.41.10.52.01.10.0.0.70.30.50.30.20.20.70.1
41-50 years ago0.0.0.40.40.0.0.0.0.0.0.0.0.0.0.20.20.80.50.70.70.50.50.30.20.70.30.20.20.20.1
over 50 years ago0.60.30.0.0.30.30.30.30.0.0.30.30.80.40.50.40.30.30.70.70.50.52.00.51.20.41.60.40.80.1
total31.71.630.42.932.12.951.12.541.52.019.62.522.81.819.01.911.11.713.82.912.12.45.80.99.41.05.70.821.10.5
6-10 yearsless than 10 years ago17.71.322.02.721.22.520.02.024.51.712.72.117.61.617.61.96.71.49.12.48.02.03.50.76.50.91.80.512.70.4
11-20 years ago3.50.67.61.74.01.23.80.93.60.74.81.45.51.06.11.23.71.03.51.51.71.03.50.74.50.70.90.33.80.2
21-30 years ago2.50.53.31.11.70.72.00.71.30.54.91.44.10.94.00.92.10.81.30.91.20.91.80.51.70.50.90.32.20.2
31-40 years ago0.80.30.80.60.0.0.70.40.20.22.20.90.80.40.90.42.70.90.0.1.71.00.90.41.20.40.80.30.90.1
41-50 years ago0.0.0.80.60.70.50.0.0.30.21.50.80.40.30.50.41.30.60.0.0.0.1.80.50.50.20.50.20.60.1
over 50 years ago0.70.30.0.0.30.30.30.30.0.1.70.80.0.0.80.42.00.81.51.11.00.72.20.61.60.42.60.51.20.1
total25.21.534.53.027.92.726.82.229.91.827.82.828.51.929.82.218.52.115.33.013.72.613.81.316.01.37.60.921.50.5
11-20 yearsless than 10 years ago9.01.09.51.95.61.43.40.94.50.87.21.710.11.311.31.55.71.38.12.23.41.44.00.88.01.02.20.56.50.3
11-20 years ago1.50.41.60.80.80.50.50.30.80.44.61.31.80.66.01.23.21.04.71.73.61.32.60.64.90.80.30.22.40.2
21-30 years ago1.90.52.51.00.40.40.80.40.50.31.20.71.30.53.20.94.31.11.51.02.41.22.20.62.50.50.90.31.80.2
31-40 years ago0.60.30.40.40.0.0.0.0.0.2.31.01.30.51.10.50.60.42.11.21.50.81.30.41.80.50.80.30.90.1
41-50 years ago0.70.30.40.40.0.0.0.0.0.0.70.50.20.21.60.70.90.50.70.70.50.52.00.50.80.31.20.40.80.1
over 50 years ago0.30.20.0.0.80.60.20.20.20.22.00.90.70.40.90.40.30.32.81.40.50.54.00.81.40.43.80.71.40.1
total14.11.214.42.37.61.64.91.16.01.018.12.515.31.524.12.115.01.919.73.211.82.416.21.419.41.49.21.013.80.4
> 20 yearsless than 10 years ago3.10.61.50.86.01.52.70.82.00.69.81.98.31.24.41.07.61.412.12.713.42.611.11.29.31.05.90.86.40.3
11-20 years ago3.20.62.21.04.91.31.40.61.60.54.61.44.90.92.40.89.51.65.51.910.62.44.90.88.41.05.00.74.70.3
21-30 years ago5.00.72.41.02.20.91.40.61.70.52.51.03.20.73.80.95.61.22.01.18.52.17.01.09.21.08.00.95.10.3
31-40 years ago2.60.51.70.82.91.10.70.40.80.41.90.82.60.73.30.96.41.38.12.23.61.46.71.04.10.75.50.83.60.2
41-50 years ago1.00.33.01.12.41.00.30.30.50.32.81.01.80.61.20.54.71.24.61.75.51.86.31.02.10.56.00.82.90.2
over 50 years ago3.00.60.80.61.90.90.90.50.50.37.41.78.11.17.71.316.92.115.43.018.02.926.21.719.91.445.91.714.70.4
total17.91.311.72.120.32.57.51.37.11.029.12.829.01.922.72.050.72.747.84.059.73.762.11.953.11.776.31.437.50.5
totalless than 10 years ago53.91.764.03.069.12.872.52.277.21.744.13.155.32.148.32.427.52.440.14.134.93.620.91.628.41.611.81.143.60.6
11-20 years ago18.41.317.82.413.42.116.31.813.61.419.02.515.61.618.91.921.52.216.63.118.22.912.21.320.41.47.80.915.80.4
21-30 years ago15.31.29.71.97.71.57.81.35.80.910.72.011.11.413.31.712.81.84.81.813.72.611.41.214.71.210.81.111.30.4
31-40 years ago4.90.72.91.13.31.11.50.62.00.69.41.85.81.06.21.210.81.712.22.76.81.99.71.27.70.97.70.96.30.3
41-50 years ago1.80.54.61.43.01.10.30.30.80.45.51.42.60.73.50.97.71.56.01.96.51.910.71.24.20.77.90.94.60.3
over 50 years ago5.60.80.80.63.51.11.70.60.70.311.42.09.61.29.91.519.82.220.33.420.03.035.21.924.41.554.01.718.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #799193/265525
NFI4
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
0-1 yearn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago7.21.07.31.812.82.28.61.57.91.25.01.62.60.73.61.01.70.81.91.34.21.70.60.30.30.20.60.34.30.3
11-20 years ago3.40.73.61.22.71.13.10.93.10.72.61.21.80.61.80.70.80.62.81.62.01.10.70.40.80.40.30.22.00.2
21-30 years ago1.10.40.90.60.0.0.0.0.80.40.50.50.90.40.30.31.30.71.01.02.21.30.20.20.80.40.70.30.70.1
31-40 years ago0.40.30.0.0.40.40.60.40.0.0.50.50.60.40.0.0.40.40.0.0.60.60.40.30.30.20.0.0.30.1
41-50 years ago0.60.30.50.50.0.0.0.0.20.20.40.40.0.0.30.30.80.60.90.90.0.0.40.30.20.20.30.20.30.1
over 50 years ago0.80.30.50.50.0.0.30.30.0.1.40.80.20.20.0.0.30.30.90.90.60.61.40.50.30.20.70.30.50.1
total13.41.312.72.315.92.412.61.812.01.410.42.26.11.15.91.35.31.47.42.69.62.53.60.82.80.72.60.78.10.4
2-5 yearsn/a0.0.0.0.0.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago17.91.423.02.726.92.936.52.634.62.08.02.010.51.410.51.76.51.66.52.48.92.42.00.61.90.62.00.613.70.4
11-20 years ago5.40.813.52.35.01.58.11.45.21.05.21.66.51.28.81.52.00.93.51.73.01.50.60.34.20.80.60.34.80.3
21-30 years ago2.00.53.61.21.30.72.00.71.40.52.61.11.40.63.51.01.30.71.01.06.52.21.20.52.10.61.10.41.90.2
31-40 years ago1.50.40.90.60.50.50.80.50.40.31.40.81.20.50.50.40.40.42.81.62.81.40.40.31.30.50.50.30.90.1
41-50 years ago0.70.30.0.0.90.60.0.0.40.31.50.80.60.30.30.30.80.61.01.02.31.40.80.40.80.41.20.40.70.1
over 50 years ago0.0.0.50.50.0.0.30.30.0.0.0.0.0.0.50.42.20.91.81.21.20.93.20.81.50.52.20.61.00.1
total27.51.641.53.334.93.247.72.742.02.118.72.820.11.924.22.313.32.216.63.524.83.88.21.211.71.37.61.123.10.6
6-10 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago19.61.515.92.516.22.525.12.322.91.89.72.218.31.818.02.17.01.67.42.55.52.12.70.74.50.82.60.612.90.5
11-20 years ago5.10.87.01.84.71.43.50.93.50.89.02.07.51.26.61.35.41.45.72.35.11.72.80.73.40.71.00.44.50.3
21-30 years ago2.00.50.90.64.31.40.30.32.40.74.41.52.40.71.40.63.41.14.62.01.30.91.40.52.10.60.70.32.00.2
31-40 years ago1.20.40.90.60.80.60.0.1.20.53.61.31.60.61.70.71.30.70.0.0.60.61.50.50.80.30.80.41.20.1
41-50 years ago0.80.30.0.0.50.50.0.0.0.1.50.80.50.30.50.42.20.91.91.31.41.00.90.40.30.21.30.50.70.1
over 50 years ago0.30.20.50.51.40.80.30.30.20.22.01.00.70.40.60.42.00.90.0.3.01.54.20.91.30.54.90.91.60.2
total29.01.725.13.027.83.029.22.430.12.030.23.331.02.229.02.521.32.519.53.816.93.213.51.512.41.311.41.322.90.6
11-20 yearsn/a0.0.0.50.50.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago8.81.08.21.95.81.64.41.17.01.113.42.413.21.68.21.57.41.67.52.65.92.14.00.93.90.82.00.66.70.3
11-20 years ago2.30.51.40.82.51.00.50.41.70.61.60.95.71.04.61.13.61.27.12.43.61.65.31.02.40.61.20.42.90.2
21-30 years ago1.50.40.90.61.40.80.30.30.90.41.00.71.20.52.00.86.31.55.82.30.70.71.50.51.70.51.10.41.60.2
31-40 years ago0.40.20.50.51.20.70.0.0.0.0.80.60.40.31.60.71.90.90.90.90.60.60.80.41.20.41.10.40.80.1
41-50 years ago0.30.20.90.60.90.60.0.0.0.2.81.10.60.41.40.61.60.80.90.90.0.1.20.50.80.40.80.40.80.1
over 50 years ago0.80.30.60.60.0.0.30.30.0.0.0.1.40.51.20.63.21.12.81.65.11.96.41.12.10.65.80.92.20.2
total14.01.312.82.311.82.15.51.29.71.319.62.822.71.919.12.124.02.724.94.216.03.219.11.712.01.312.01.315.00.5
> 20 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago3.00.61.30.82.81.11.90.72.00.65.91.85.41.04.91.212.12.14.72.18.42.513.11.513.21.45.70.96.20.3
11-20 years ago2.40.61.60.91.70.81.40.61.70.63.21.32.50.72.30.83.11.11.81.38.02.34.91.010.71.24.10.83.80.3
21-30 years ago2.20.50.40.41.30.80.60.40.80.41.30.81.80.61.50.73.61.23.01.73.31.54.10.97.91.12.90.72.80.2
31-40 years ago2.60.61.40.81.30.70.60.40.40.31.80.91.90.63.51.03.61.23.61.72.01.23.50.86.51.04.10.82.90.2
41-50 years ago1.70.50.50.50.40.40.0.0.40.30.80.62.20.72.70.93.21.12.71.52.01.44.81.04.50.85.30.92.60.2
over 50 years ago4.10.72.71.11.90.90.60.41.10.58.22.06.21.16.81.410.31.915.83.59.02.625.21.918.21.544.32.012.90.4
total16.01.37.91.99.52.05.01.26.31.021.22.920.11.821.72.236.03.031.64.432.74.155.62.261.02.066.41.931.00.6
totaln/a0.0.0.50.50.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago56.61.855.73.364.63.176.62.274.51.942.03.450.02.345.22.734.73.027.94.432.94.122.31.923.81.712.81.343.80.6
11-20 years ago18.61.427.03.016.62.516.62.015.11.521.62.924.02.024.22.314.92.220.93.821.83.514.31.621.41.77.21.117.90.5
21-30 years ago8.81.06.71.78.31.93.10.96.31.09.82.07.71.28.81.615.82.315.33.514.03.08.41.214.71.46.51.09.00.4
31-40 years ago6.10.93.61.34.21.32.00.71.90.68.01.95.71.17.41.47.71.77.32.56.72.16.61.110.01.26.51.06.00.3
41-50 years ago4.00.71.80.92.71.10.0.0.90.47.01.74.00.95.21.28.81.87.42.55.72.18.11.26.61.09.01.25.10.3
over 50 years ago6.00.94.71.43.31.21.70.71.30.511.52.38.61.39.21.618.12.421.24.019.03.440.42.223.41.758.02.018.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #799194/265526
NFI4
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
0-1 yearn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago7.10.97.41.812.22.18.61.57.71.14.51.52.40.73.51.01.40.71.51.03.41.40.70.30.40.20.50.33.90.2
11-20 years ago3.30.63.91.32.61.13.10.93.30.82.41.11.70.61.60.71.40.72.11.21.60.90.50.30.80.30.20.21.80.2
21-30 years ago1.20.40.90.60.40.40.0.0.80.40.40.41.00.40.80.51.10.60.80.81.81.10.20.20.80.30.50.30.70.1
31-40 years ago0.40.20.0.0.40.40.60.40.0.0.40.40.60.30.0.0.30.30.0.0.50.50.30.20.30.20.10.10.30.1
41-50 years ago0.50.30.40.40.0.0.0.0.20.20.40.40.0.0.20.20.70.50.70.70.0.0.50.30.30.20.30.20.30.1
over 50 years ago0.70.30.40.40.0.0.30.30.0.1.30.70.20.20.30.30.30.30.70.70.50.51.10.40.30.20.50.30.50.1
total13.21.213.12.215.62.312.51.812.01.49.42.15.81.16.51.35.21.35.82.07.92.03.30.72.80.62.20.57.50.3
2-5 yearsn/a0.0.0.0.0.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago17.51.423.22.726.92.936.12.534.82.07.81.910.21.49.51.65.81.47.32.27.92.11.80.52.10.51.60.512.60.4
11-20 years ago5.60.813.42.35.11.58.01.45.20.94.81.46.41.18.01.42.30.93.51.53.01.40.50.33.40.70.50.24.40.3
21-30 years ago1.90.53.51.21.20.71.90.71.30.52.41.01.30.53.20.91.70.80.80.85.31.81.00.41.70.51.00.41.80.2
31-40 years ago1.80.50.90.60.80.60.80.50.40.31.30.71.30.50.70.40.40.42.21.32.31.20.30.21.20.40.50.21.00.1
41-50 years ago0.60.30.0.0.90.60.0.0.40.31.30.80.50.30.20.20.70.50.80.81.91.10.80.40.70.31.00.40.70.1
over 50 years ago0.10.10.40.40.0.0.30.30.0.0.0.0.20.20.50.31.90.81.41.01.60.92.60.71.20.42.00.50.90.1
total27.61.641.43.235.33.147.22.742.12.117.52.619.91.822.12.212.71.916.03.122.13.27.01.010.21.16.60.921.30.5
6-10 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago19.21.415.72.416.02.425.12.323.11.89.42.017.71.717.12.06.21.47.92.34.51.72.50.64.20.72.10.511.90.4
11-20 years ago5.20.86.81.74.41.43.40.93.50.88.71.97.11.26.31.34.51.25.92.14.81.62.30.63.00.60.90.34.20.3
21-30 years ago2.00.50.90.64.11.30.30.32.30.64.91.52.20.71.30.63.11.03.61.61.71.01.30.52.30.50.60.31.90.2
31-40 years ago1.20.40.90.60.80.60.0.1.10.53.21.21.40.51.80.71.10.60.0.0.50.51.60.50.60.30.90.31.10.1
41-50 years ago0.90.30.0.0.90.60.0.0.0.1.30.80.50.30.50.31.90.81.51.01.20.80.90.40.20.21.00.40.70.1
over 50 years ago0.40.20.40.41.30.80.60.40.20.21.80.90.90.40.60.42.40.90.0.2.51.23.80.81.40.44.00.71.60.2
total28.81.624.72.927.52.929.42.430.31.929.43.129.72.027.62.319.12.218.93.315.12.812.41.311.81.29.61.021.40.5
11-20 yearsn/a0.0.0.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago8.51.08.71.96.01.54.41.16.81.112.22.212.31.58.31.46.81.46.52.15.41.83.90.83.60.71.80.56.30.3
11-20 years ago2.60.61.30.82.41.00.50.41.70.51.50.96.21.04.21.03.01.05.51.93.01.34.50.81.90.50.90.32.70.2
21-30 years ago1.80.50.90.61.30.80.30.30.90.41.80.91.10.52.10.75.91.44.51.80.50.51.60.51.70.51.00.31.60.2
31-40 years ago0.50.30.40.41.20.70.0.0.0.1.40.80.40.31.50.61.60.71.41.00.50.50.60.30.90.30.90.30.70.1
41-50 years ago0.30.20.80.60.90.60.0.0.0.2.51.00.80.41.80.71.40.70.70.70.0.1.00.40.60.30.60.30.70.1
over 50 years ago0.80.30.60.60.0.0.30.30.20.20.0.1.70.61.40.62.70.92.81.44.21.65.20.91.80.54.80.82.10.2
total14.41.313.22.211.72.15.41.29.61.319.42.722.51.919.32.121.32.321.53.513.72.716.81.510.51.110.01.114.10.4
> 20 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago3.10.61.30.72.71.12.50.81.90.66.31.75.61.05.91.211.51.84.31.78.02.213.01.412.41.25.40.86.40.3
11-20 years ago2.40.61.50.91.60.81.40.61.60.54.01.42.50.73.20.94.31.23.51.56.61.94.40.810.11.14.10.73.90.2
21-30 years ago2.10.50.40.41.70.80.60.40.70.42.71.12.10.61.70.74.41.26.12.15.11.75.10.99.51.14.60.73.60.2
31-40 years ago2.40.61.30.81.20.70.60.40.40.31.60.81.90.63.20.94.01.14.31.73.41.46.01.07.71.06.60.93.80.2
41-50 years ago1.60.40.40.40.40.40.0.0.40.31.30.72.30.63.00.93.41.12.11.22.21.36.31.04.70.86.00.83.00.2
over 50 years ago4.20.72.61.12.21.00.50.41.10.48.41.97.71.27.51.414.22.017.53.216.12.925.81.820.31.444.91.714.90.4
total15.91.37.61.89.92.05.51.26.11.024.32.922.01.824.42.241.72.837.94.041.33.860.61.964.71.771.61.635.70.5
totaln/a0.0.0.40.40.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago55.41.856.43.363.73.176.62.274.41.840.13.348.12.244.32.631.62.727.53.929.23.621.91.722.71.511.41.141.00.6
11-20 years ago19.21.426.92.916.22.416.41.915.31.521.32.823.81.923.42.215.52.120.73.419.03.012.21.319.11.46.60.917.10.5
21-30 years ago9.01.06.51.68.71.93.00.96.11.012.32.27.71.29.11.516.22.115.73.114.52.89.01.216.01.37.80.99.70.4
31-40 years ago6.40.93.51.24.41.31.90.71.90.68.01.85.71.07.31.37.41.57.92.37.21.98.91.210.71.19.01.06.80.3
41-50 years ago3.90.71.70.93.01.10.0.0.90.46.91.74.00.95.81.28.01.65.82.05.31.89.51.26.50.99.01.05.40.3
over 50 years ago6.20.94.51.43.51.22.00.71.40.511.52.210.71.410.21.621.42.422.43.624.93.438.52.025.11.656.21.820.00.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #799195/265527
NFI4
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
0-1 yearn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago7.10.97.61.812.32.18.61.57.81.14.61.52.50.73.41.01.40.71.61.13.71.50.70.30.30.20.50.33.90.3
11-20 years ago3.30.63.51.22.61.13.10.93.20.72.41.11.80.61.70.71.10.62.31.31.81.00.60.30.80.30.30.21.90.2
21-30 years ago1.20.40.90.60.0.0.0.0.80.40.50.50.80.40.60.41.10.60.80.82.01.20.20.20.90.40.50.30.70.1
31-40 years ago0.40.20.0.0.40.40.60.40.0.0.50.50.60.30.0.0.40.40.0.0.50.50.30.20.30.20.10.10.30.1
41-50 years ago0.50.30.50.50.0.0.0.0.20.20.40.40.0.0.30.30.70.50.70.70.0.0.30.20.30.20.30.20.30.1
over 50 years ago0.70.30.50.50.0.0.30.30.0.1.30.70.20.20.30.30.30.30.70.70.50.51.20.50.30.20.50.30.50.1
total13.31.212.92.215.32.312.61.811.91.49.62.15.81.16.21.35.01.36.12.18.62.23.30.72.90.62.30.67.60.3
2-5 yearsn/a0.0.0.0.0.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago17.81.423.62.727.02.936.42.634.82.07.91.910.41.49.81.65.71.47.82.48.02.21.90.62.20.61.70.512.90.4
11-20 years ago5.60.813.72.35.21.58.11.45.21.04.91.46.51.18.21.52.40.93.81.63.31.50.50.33.70.70.50.34.60.3
21-30 years ago1.90.53.51.21.20.72.00.71.30.52.41.01.30.53.30.91.10.60.80.85.82.01.00.41.80.51.10.41.80.2
31-40 years ago1.70.50.90.60.80.60.80.50.40.31.30.71.40.60.80.40.40.42.31.32.51.30.30.21.20.40.40.21.00.1
41-50 years ago0.60.30.0.0.90.60.0.0.40.31.40.80.50.30.30.30.70.50.80.82.11.20.90.40.70.31.10.40.70.1
over 50 years ago0.0.0.50.50.0.0.30.30.0.0.0.0.0.0.50.41.90.81.51.01.81.02.80.71.30.42.00.50.90.1
total27.71.642.13.335.53.147.62.742.12.117.92.720.11.822.92.212.22.016.93.223.53.57.41.110.81.26.70.921.90.5
6-10 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago19.31.415.62.416.02.425.12.323.21.89.02.017.81.717.42.06.11.47.62.34.91.82.50.74.50.82.10.512.10.4
11-20 years ago5.20.86.91.74.51.43.50.93.40.88.41.97.41.26.21.34.71.26.32.25.21.72.40.63.20.70.80.34.20.3
21-30 years ago2.10.50.90.64.11.30.30.32.40.65.01.52.30.71.40.63.31.03.81.71.10.81.40.52.10.50.70.31.90.2
31-40 years ago1.20.40.90.60.80.60.0.1.10.53.31.31.50.61.90.71.10.60.0.0.50.51.70.50.70.30.90.41.10.1
41-50 years ago0.90.30.0.0.90.70.0.0.0.1.40.80.50.30.50.41.90.81.61.11.30.91.00.40.30.21.10.40.70.1
over 50 years ago0.40.20.50.51.30.80.30.30.20.21.91.00.70.40.60.42.10.90.0.2.71.43.80.81.40.44.20.71.60.2
total29.01.624.72.927.62.929.12.430.32.029.03.130.12.128.02.419.22.319.23.515.83.012.81.412.11.29.91.121.70.5
11-20 yearsn/a0.0.0.50.50.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago8.51.08.01.86.01.64.41.16.91.112.42.212.81.58.61.57.01.56.92.25.31.94.10.83.70.71.70.56.40.3
11-20 years ago2.50.61.30.82.41.00.50.41.70.61.50.96.21.14.31.13.11.05.92.03.31.54.60.92.00.51.00.42.70.2
21-30 years ago1.70.50.90.61.30.80.30.30.90.41.80.91.20.51.90.76.21.44.81.90.60.61.50.51.80.51.00.41.60.2
31-40 years ago0.50.30.50.51.20.70.0.0.0.1.40.80.40.31.50.61.70.71.51.10.50.50.70.31.00.40.90.40.80.1
41-50 years ago0.30.20.80.60.90.60.0.0.0.2.61.10.80.41.60.71.40.70.70.70.0.1.00.40.70.30.70.30.70.1
over 50 years ago0.80.30.60.60.0.0.30.30.0.0.0.1.60.61.40.62.81.02.31.34.61.75.50.91.90.54.90.82.10.2
total14.21.312.62.211.72.15.51.29.51.319.72.723.01.919.42.122.22.422.13.614.32.917.51.611.11.210.31.114.40.5
> 20 yearsn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
less than 10 years ago3.00.61.30.72.71.12.20.81.90.66.41.85.41.05.51.212.01.93.91.78.12.313.21.412.21.25.70.86.30.3
11-20 years ago2.40.51.60.91.60.81.40.61.70.53.61.32.40.73.00.94.11.22.21.37.22.14.70.910.51.14.00.73.90.3
21-30 years ago2.10.50.40.41.70.80.60.40.80.42.31.01.70.61.70.74.21.25.72.14.21.54.50.98.61.14.60.83.30.2
31-40 years ago2.50.61.30.81.20.70.60.40.40.31.70.81.80.63.31.03.81.13.81.73.11.45.40.98.21.06.30.93.60.2
41-50 years ago1.60.50.50.50.40.40.0.0.40.31.30.72.30.72.80.93.51.12.31.31.81.25.61.04.70.85.80.92.90.2
over 50 years ago4.30.72.71.12.21.00.60.41.10.48.62.07.31.27.21.413.72.017.83.413.62.825.71.819.11.544.41.814.30.4
total15.81.37.81.89.92.05.31.26.21.023.82.920.91.823.62.241.42.835.74.137.93.958.92.063.21.870.81.634.40.5
totaln/a0.0.0.50.50.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
less than 10 years ago55.71.856.13.364.03.176.72.274.61.840.43.348.82.344.62.632.22.827.74.030.03.822.41.722.81.611.81.241.70.6
11-20 years ago18.91.426.93.016.32.416.62.015.21.520.82.824.22.023.52.215.42.120.43.520.73.312.81.420.21.56.60.917.30.5
21-30 years ago9.01.06.61.68.31.83.10.96.21.012.12.27.41.28.91.515.82.115.93.213.72.88.61.215.11.37.91.09.40.4
31-40 years ago6.30.93.61.24.41.32.00.71.90.68.11.95.71.17.51.47.31.67.62.37.22.08.41.211.31.28.71.06.80.3
41-50 years ago4.00.71.80.93.01.10.0.0.90.47.01.74.20.95.51.28.31.66.12.15.11.98.81.26.60.98.91.05.30.3
over 50 years ago6.20.94.61.43.51.21.70.71.20.511.72.39.71.310.01.620.92.422.33.723.23.539.12.024.01.656.01.819.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #799196/265528
NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %±
0-1 yearless than 10 years ago6.20.810.00.93.70.61.40.30.10.14.20.3
11-20 years ago2.60.52.00.40.40.20.50.20.30.21.10.1
21-30 years ago1.10.30.80.30.50.20.20.10.30.20.50.1
31-40 years ago0.20.10.10.10.20.10.10.10.40.20.20.1
41-50 years ago0.10.10.0.0.20.10.10.10.0.0.10.0
over 50 years ago0.70.30.0.0.0.0.40.10.10.10.30.1
total11.01.012.81.04.90.72.70.41.20.46.30.3
2-5 yearsless than 10 years ago19.41.334.41.413.81.13.60.41.40.413.90.4
11-20 years ago7.30.85.60.73.50.62.10.31.50.43.90.3
21-30 years ago3.30.62.20.41.90.40.60.20.70.31.60.2
31-40 years ago0.50.20.30.21.30.30.70.20.30.20.70.1
41-50 years ago0.10.10.0.0.10.10.70.20.30.20.30.1
over 50 years ago0.40.20.20.10.60.21.20.21.60.50.80.1
total31.01.542.81.521.11.39.00.75.80.921.10.5
6-10 yearsless than 10 years ago19.21.323.11.216.61.16.10.61.80.513.00.4
11-20 years ago4.00.63.80.66.00.73.50.41.10.43.80.3
21-30 years ago2.40.51.30.34.20.61.80.30.80.32.10.2
31-40 years ago0.90.30.10.11.10.31.30.30.70.30.90.1
41-50 years ago0.20.10.30.10.50.21.10.20.30.20.50.1
over 50 years ago0.50.20.20.10.50.21.90.32.50.61.10.1
total27.21.428.81.328.91.415.60.87.00.921.50.5
11-20 yearsless than 10 years ago9.40.94.60.610.60.96.00.52.30.56.70.3
11-20 years ago1.70.40.80.33.60.64.10.50.40.22.50.2
21-30 years ago2.20.50.40.21.80.42.50.41.10.41.70.2
31-40 years ago0.60.30.0.1.60.41.50.30.90.31.00.1
41-50 years ago0.60.20.0.0.60.21.20.31.20.40.80.1
over 50 years ago0.20.10.30.20.90.32.20.34.20.71.50.2
total14.71.16.10.719.11.217.40.910.01.114.10.5
> 20 yearsless than 10 years ago2.80.52.80.56.60.810.30.75.50.86.30.3
11-20 years ago2.80.52.10.43.90.67.80.65.40.84.80.3
21-30 years ago4.40.71.60.43.00.57.30.67.91.05.00.3
31-40 years ago2.60.51.30.32.70.55.00.55.40.83.50.2
41-50 years ago1.30.40.90.31.90.44.30.56.20.92.90.2
over 50 years ago2.20.51.00.37.90.820.50.945.51.814.50.4
total16.11.29.60.926.01.355.21.176.01.536.90.6
totalless than 10 years ago57.01.674.81.351.31.527.51.011.01.144.00.6
11-20 years ago18.61.214.31.017.51.218.10.98.61.016.10.5
21-30 years ago13.31.16.40.711.41.012.30.810.71.110.90.4
31-40 years ago4.80.71.80.46.80.88.50.67.71.06.20.3
41-50 years ago2.30.51.10.33.20.57.40.68.01.04.60.3
over 50 years ago4.10.61.60.49.90.926.11.054.01.818.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 22.06.2020 #799197/265529
NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2004/06
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
0-1 yearless than 10 years ago5.70.88.11.89.01.87.21.412.61.44.31.43.80.93.10.93.01.02.31.32.41.20.90.40.80.30.10.14.20.3
11-20 years ago3.10.60.90.61.60.81.70.72.20.60.40.40.20.20.60.42.00.80.0.0.0.0.30.20.30.20.20.21.10.1
21-30 years ago1.30.40.40.41.20.70.80.50.60.30.40.40.40.30.50.40.0.0.0.0.0.0.0.0.40.20.20.20.50.1
31-40 years ago0.20.20.0.0.0.0.0.0.20.20.0.0.20.20.30.30.0.0.0.0.0.0.0.0.10.10.40.20.20.1
41-50 years ago0.10.10.0.0.0.0.0.0.0.0.40.40.20.20.0.0.0.0.0.0.0.0.20.20.10.10.0.0.10.0
over 50 years ago0.90.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.40.0.0.0.0.80.40.30.20.10.10.30.1
total11.31.19.41.911.82.19.71.615.51.55.61.64.81.04.51.15.41.32.31.32.41.22.20.62.10.51.20.46.30.3
2-5 yearsless than 10 years ago18.81.421.82.727.32.939.52.633.22.010.62.216.81.711.61.74.91.27.52.36.32.01.30.53.70.71.40.413.80.4
11-20 years ago7.71.05.71.51.70.89.41.55.11.04.21.32.80.83.91.03.41.13.01.52.41.20.70.42.50.61.50.43.80.2
21-30 years ago4.00.70.90.61.90.82.80.91.90.61.80.92.10.71.60.71.00.60.0.1.71.00.30.20.70.30.70.31.60.2
31-40 years ago0.60.30.0.0.0.0.0.0.70.33.31.11.10.50.50.41.20.62.21.20.0.0.70.30.40.20.30.20.70.1
41-50 years ago0.0.0.40.40.0.0.0.0.0.0.0.0.0.0.20.20.90.50.70.70.60.60.30.20.80.30.30.20.30.1
over 50 years ago0.50.30.0.0.40.40.30.30.0.0.40.40.80.40.60.40.30.30.80.80.0.2.00.61.20.41.70.50.80.1
total31.61.728.82.931.33.052.02.640.92.120.32.723.61.918.52.011.71.814.23.111.12.55.40.99.41.15.80.821.00.5
6-10 yearsless than 10 years ago18.11.422.82.821.32.720.22.125.21.812.32.317.41.718.22.07.01.58.42.47.92.13.80.86.70.91.70.512.90.4
11-20 years ago3.20.67.01.74.51.33.51.03.60.84.21.46.11.16.71.33.11.03.21.61.41.03.70.83.90.71.00.43.80.2
21-30 years ago2.10.53.51.21.50.81.10.61.30.55.41.64.00.93.81.01.70.81.41.01.41.02.00.61.80.50.80.32.10.2
31-40 years ago0.90.30.90.60.0.0.60.40.0.2.41.00.90.40.50.42.40.90.0.2.01.20.80.41.30.40.60.30.90.1
41-50 years ago0.0.0.90.60.40.40.0.0.30.20.90.60.20.20.60.41.40.70.0.0.0.2.00.60.50.30.30.20.50.1
over 50 years ago0.70.30.0.0.40.40.30.30.0.2.01.00.0.0.70.51.70.71.61.10.50.52.30.61.80.52.70.61.20.1
total25.01.535.13.228.02.925.72.330.41.927.23.028.72.130.42.417.22.214.73.113.22.714.71.515.91.47.10.921.40.5
11-20 yearsless than 10 years ago8.91.010.52.16.21.63.61.04.50.98.01.910.01.412.21.75.11.39.12.53.81.63.60.88.21.02.20.56.60.3
11-20 years ago1.70.51.80.90.80.60.50.40.90.44.31.32.00.65.31.23.01.05.31.93.91.52.40.65.50.80.40.22.40.2
21-30 years ago2.00.52.71.10.40.40.60.40.40.31.30.81.00.53.20.94.21.11.61.12.11.22.00.62.30.61.00.41.70.2
31-40 years ago0.70.30.50.50.0.0.0.0.0.2.21.01.50.61.30.60.70.52.21.31.71.01.00.41.90.50.90.31.00.1
41-50 years ago0.60.30.50.50.0.0.0.0.0.0.80.60.20.21.20.61.00.60.70.70.50.52.20.60.70.31.20.40.80.1
over 50 years ago0.40.20.0.0.90.60.30.30.20.21.60.80.60.30.70.40.30.32.21.30.0.4.30.81.60.54.10.71.50.2
total14.31.315.82.58.41.84.91.16.01.018.22.615.31.623.92.214.32.021.13.512.12.615.51.520.11.59.81.114.00.4
> 20 yearsless than 10 years ago3.10.61.70.85.61.52.80.92.00.69.62.07.61.24.11.08.01.612.62.914.02.911.61.39.51.15.50.86.40.3
11-20 years ago3.30.62.41.15.41.51.40.61.60.54.31.44.70.92.70.810.51.86.02.111.42.64.90.98.71.05.40.84.90.3
21-30 years ago5.10.82.21.02.10.91.30.61.50.52.41.13.00.83.61.04.41.22.31.38.12.27.01.19.31.18.11.05.00.3
31-40 years ago2.70.61.80.93.11.20.80.51.00.41.70.82.50.73.20.96.21.46.72.14.01.66.11.03.90.75.30.83.50.2
41-50 years ago1.10.41.91.02.61.00.30.30.60.32.61.01.80.61.30.64.81.25.01.95.51.96.61.02.00.56.20.92.90.2
over 50 years ago2.60.60.90.61.70.91.10.50.50.38.11.98.21.27.81.417.62.215.13.118.33.126.01.819.21.445.71.814.60.4
total17.81.411.02.120.52.67.71.47.21.128.73.027.81.922.72.151.52.947.74.261.33.962.22.052.51.876.21.537.40.6
totalless than 10 years ago54.61.864.73.169.43.073.32.377.51.844.83.455.62.249.22.628.02.639.94.334.43.921.21.728.91.710.91.143.90.6
11-20 years ago18.91.417.82.614.02.216.52.013.51.417.42.615.81.719.32.122.02.417.53.319.13.212.11.320.71.58.51.016.10.5
21-30 years ago14.51.39.72.07.11.66.61.35.61.011.42.210.51.412.61.711.31.85.32.013.32.711.41.314.41.310.81.110.90.4
31-40 years ago5.20.83.11.23.11.21.40.61.80.69.51.96.11.15.81.210.51.811.12.77.62.28.61.27.71.07.50.96.20.3
41-50 years ago1.90.53.71.33.01.10.30.30.90.44.71.32.40.73.30.98.11.66.52.16.62.111.31.34.20.77.91.04.60.3
over 50 years ago5.00.80.90.63.41.21.90.70.70.412.22.39.71.39.81.620.22.319.83.518.93.135.52.024.01.654.41.818.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 12.07.2020 #799198/265530
NFI3
forest area
urgency of next treatment (interview survey) · time of last treatment (classes of 10 years)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI3
state2004/06
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
urgency of next treatment (interview survey)time of last treatment (classes of 10 years) %± %± %± %± %± %±
0-1 yearless than 10 years ago5.90.710.00.83.60.51.40.30.20.24.10.2
11-20 years ago2.40.52.10.40.30.20.50.20.20.21.10.1
21-30 years ago1.30.30.80.20.40.20.20.10.20.20.50.1
31-40 years ago0.20.10.20.10.20.10.00.00.40.20.20.0
41-50 years ago0.10.10.0.0.10.10.10.10.0.0.10.0
over 50 years ago0.70.30.0.0.0.0.40.10.10.10.30.1
total10.60.913.00.94.60.62.70.41.20.46.20.3
2-5 yearsless than 10 years ago19.61.234.41.313.21.03.90.41.60.413.90.4
11-20 years ago7.10.85.60.63.70.52.00.31.30.43.80.2
21-30 years ago3.60.62.20.41.90.40.70.20.80.31.70.2
31-40 years ago0.50.20.40.21.30.30.70.20.20.20.70.1
41-50 years ago0.10.10.0.0.10.10.60.20.20.20.30.1
over 50 years ago0.50.20.20.10.60.21.20.21.60.40.80.1
total31.41.442.81.420.81.29.10.65.70.821.10.5
6-10 yearsless than 10 years ago18.61.222.41.216.61.15.90.51.80.512.70.4
11-20 years ago4.40.63.80.55.60.73.80.40.90.33.80.2
21-30 years ago2.70.51.60.34.20.61.70.30.90.32.20.2
31-40 years ago0.80.30.30.21.10.31.30.20.80.30.90.1
41-50 years ago0.20.10.30.20.70.20.90.20.50.20.60.1
over 50 years ago0.60.20.20.10.60.21.80.32.60.51.20.1
total27.31.328.61.228.81.315.50.87.60.921.50.5
11-20 yearsless than 10 years ago9.10.94.30.610.00.96.00.52.20.56.50.3
11-20 years ago1.60.40.70.23.90.53.80.40.30.22.40.2
21-30 years ago2.10.40.50.21.90.42.60.30.90.31.80.2
31-40 years ago0.50.20.0.1.40.31.50.30.80.30.90.1
41-50 years ago0.60.20.0.0.70.21.10.21.20.40.80.1
over 50 years ago0.30.20.30.21.00.32.00.33.80.71.40.1
total14.21.15.90.719.01.117.10.89.21.013.80.4
> 20 yearsless than 10 years ago2.70.52.90.57.20.710.10.75.90.86.40.3
11-20 years ago2.90.52.20.44.00.67.50.65.00.74.70.3
21-30 years ago4.50.61.70.43.30.57.30.68.00.95.10.3
31-40 years ago2.40.51.20.32.70.55.50.55.50.83.60.2
41-50 years ago1.40.40.80.21.80.44.30.46.00.82.90.2
over 50 years ago2.50.50.90.37.90.820.90.945.91.714.80.4
total16.51.19.80.826.91.255.61.176.31.437.40.5
totalless than 10 years ago56.01.574.01.250.61.427.31.011.81.143.50.6
11-20 years ago18.41.214.41.017.51.117.60.87.80.915.80.4
21-30 years ago14.11.06.90.711.70.912.60.710.81.111.30.4
31-40 years ago4.50.62.00.46.70.79.10.67.70.96.30.3
41-50 years ago2.40.51.10.33.40.57.10.67.90.94.60.3
over 50 years ago4.50.61.60.310.10.926.41.054.01.718.40.4
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 22.06.2020 #799199/265531
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