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NFI4b

forest area: stand stability · regeneration cover · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: processes in channels SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
stand stabilityregeneration cover %± %± %± %± %± %± %±
critical< 1%....0.80.41.10.83.01.50.70.51.00.3
1-9%....1.80.62.81.21.51.03.01.02.00.4
10-25%....2.00.63.41.41.51.01.00.61.70.4
26-50%....1.40.51.71.02.21.30.70.51.20.3
51-75%..1.61.60.80.41.10.81.51.01.00.61.00.3
76-100%....0.40.30.60.6....0.20.1
total..1.61.67.21.210.72.39.72.66.21.47.10.7
less stable< 1%1.91.81.61.64.00.93.41.43.01.53.01.03.30.5
1-9%11.14.31.61.615.51.621.33.117.23.322.92.417.41.1
10-25%11.14.314.34.417.11.715.22.74.51.814.42.014.41.0
26-50%3.72.66.33.18.31.28.42.16.02.17.91.57.70.8
51-75%5.63.112.74.23.40.80.60.62.21.32.30.93.20.5
76-100%1.91.86.33.11.20.5....2.00.81.40.3
total35.26.542.86.249.42.248.93.732.84.152.42.947.31.4
stable< 1%....1.40.52.21.15.21.92.60.92.10.4
1-9%3.72.67.93.412.91.517.42.917.23.323.32.415.91.0
10-25%29.66.212.74.213.11.512.92.523.93.79.51.714.11.0
26-50%18.55.323.85.49.71.36.71.99.72.64.91.29.20.8
51-75%9.33.99.53.73.80.81.10.81.51.01.00.63.00.5
76-100%3.72.61.61.62.60.7......1.30.3
total64.86.555.66.343.42.240.53.757.54.341.32.845.61.4
total< 1%1.91.81.61.66.11.16.71.911.22.76.21.46.40.7
1-9%14.84.89.53.730.12.041.63.735.84.149.22.935.31.3
10-25%40.76.727.05.632.12.131.43.529.84.025.02.530.11.3
26-50%22.25.730.15.819.41.816.82.817.93.313.42.018.11.1
51-75%14.84.823.85.48.01.22.81.25.21.94.31.27.20.7
76-100%5.63.17.93.44.20.90.60.6..2.00.82.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #167637/154020

NFI4b

forest area: stand stability · regeneration cover · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: processes in channels SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
stand stabilityregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
critical< 1%....1.4500.7711.4500.7714.229
1-9%....3.2331.7440.7713.2338.820
10-25%....3.5312.1410.7711.1587.422
26-50%....2.5381.0581.1580.7715.326
51-75%..0.41001.5500.7710.7711.1584.329
76-100%....0.7710.3100....1.158
total..0.410012.8166.5224.6276.82331.010
less stable< 1%0.41000.41007.1222.1411.4503.23314.515
1-9%2.2410.410027.71113.0158.12024.91176.26
10-25%2.2413.23330.5109.2182.14115.71462.97
26-50%0.7711.45014.9155.1252.8358.62033.610
51-75%1.1582.8356.2240.31001.1582.53814.016
76-100%0.41001.4502.141....2.1416.024
total6.8239.51988.5629.8915.61456.97207.14
stable< 1%....2.5381.4502.5372.8359.219
1-9%0.7711.84523.11210.6178.12025.31169.67
10-25%5.8252.83523.4127.92011.31710.41861.57
26-50%3.6315.32617.4144.1284.6275.32640.39
51-75%1.8452.1416.7230.7710.7711.15813.116
76-100%0.7710.41004.628......5.725
total12.61612.41777.7624.61127.21044.98199.44
total< 1%0.41000.410011.0184.1285.3256.82327.911
1-9%2.9352.14153.9825.31017.01353.47154.64
10-25%7.9216.02457.5719.21214.11527.111131.85
26-50%4.3296.72334.81010.3178.52014.61579.16
51-75%2.9355.32614.4161.7442.5374.62731.411
76-100%1.1581.8457.4220.3100..2.14112.817
total19.51322.312179.0360.9547.47108.64437.52

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #167638/154021

NFI4b

forest area: stand stability · regeneration cover · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: processes in channels SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZHSwitzerland
stand stabilityregeneration cover %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critical< 1%................1.70.9..4.84.7................0.80.63.83.82.12.11.50.9....1.00.3
1-9%......2.21.1........1.70.9........4.34.3......5.33.6..2.91.13.83.8..3.01.2....2.00.4
10-25%....14.313.51.60.9........0.90.6..9.56.4....4.34.31.31.2....2.62.6..1.20.7..2.12.13.01.2....1.70.4
26-50%......0.50.5......4.84.71.30.7..4.84.7......2.51.8....2.62.6..0.80.6..2.12.11.50.9....1.20.3
51-75%..............4.84.71.30.7......14.313.5............0.80.6..4.33.01.00.7..33.327.31.00.3
76-100%......0.50.5....................1.31.2..............0.50.5....0.20.1
total....14.313.54.91.6......9.66.56.91.7..19.08.6..14.313.58.75.95.02.4....10.55.0..6.61.67.75.210.74.510.52.2..33.327.37.10.7
less stable< 1%....14.313.51.10.8..6.83.8..9.66.54.71.44.84.7......4.34.36.32.7....5.33.6..2.51.0..2.12.13.01.2....3.30.5
1-9%..22.214.2..13.02.5..11.44.8..14.37.719.82.69.56.414.37.720.018.028.617.426.19.210.03.4....15.85.9..23.12.73.83.814.95.222.02.9....17.41.1
10-25%......19.62.920.018.020.46.1..14.37.77.81.89.56.419.08.6..14.313.517.48.015.04.0..50.025.113.25.520.012.715.72.311.56.312.74.815.02.511.110.833.327.314.41.0
26-50%......5.41.7..6.83.8..9.66.56.01.64.84.79.56.4....13.07.111.23.5..25.021.810.55.010.09.58.31.819.77.98.54.17.51.911.110.8..7.70.8
51-75%..11.110.8..2.21.1..4.63.2..4.84.71.30.74.84.79.56.420.018.0..4.34.38.83.2....2.62.610.09.52.91.13.83.86.43.61.00.711.110.8..3.20.5
76-100%......1.10.8......4.84.70.90.6..4.84.7..14.313.54.34.31.31.2..25.021.8....2.10.9..2.12.1..11.110.8..1.40.3
total..33.316.114.313.542.43.620.018.049.97.6..57.410.840.53.233.310.357.110.840.022.057.119.069.69.652.55.6..100.0.47.48.140.015.654.53.238.89.646.87.348.53.544.417.133.327.347.41.4
stable< 1%..11.110.8..0.50.5........3.91.3..........5.02.4....2.62.6..2.51.0....2.01.0....2.10.4
1-9%..33.316.114.313.516.32.7..9.14.4..9.16.219.82.6..........13.73.9....7.94.4..21.52.615.37.18.54.118.52.8....15.81.0
10-25%..22.214.228.617.417.42.840.022.113.75.2..14.37.718.12.523.89.34.84.740.022.0..21.78.710.03.4....13.25.510.09.58.71.815.37.112.74.813.02.411.110.8..14.01.0
26-50%....28.617.412.52.440.022.115.95.5..4.84.79.01.919.08.619.08.6..14.313.5..6.32.7....13.25.520.012.74.91.411.56.312.84.96.51.733.316.2..9.20.8
51-75%......4.31.5..11.44.8....1.30.719.08.6..20.018.0....3.82.1....5.33.630.014.61.20.711.56.3..1.00.7....3.00.5
76-100%......1.60.9......4.84.70.40.44.84.7....14.313.5..3.82.1............8.54.1..11.110.833.327.31.40.3
total..66.715.971.417.252.73.780.018.050.17.5..33.110.352.63.366.710.323.89.360.022.028.617.421.78.742.55.5....42.18.060.015.638.83.153.69.842.57.241.03.555.617.033.327.345.51.4
total< 1%..11.110.814.313.51.60.9..6.83.8..9.66.510.32.04.84.74.84.7....4.34.311.33.5....7.94.4..5.81.53.83.84.33.06.51.7....6.40.7
1-9%..55.616.914.313.531.53.4..20.56.1..23.59.341.43.29.56.414.37.720.018.028.617.430.49.723.74.8....28.97.4..47.53.223.08.323.56.243.53.5....35.21.3
10-25%..22.214.242.919.038.63.660.022.134.07.2..28.710.026.72.933.310.333.310.340.022.014.313.543.510.426.34.9..50.025.129.07.430.014.625.72.826.88.727.46.531.03.322.214.333.327.330.11.3
26-50%....28.617.418.52.940.022.122.86.3..19.18.716.42.423.89.333.310.3..14.313.513.07.120.04.5..25.021.826.37.230.014.614.02.231.19.223.56.215.52.644.417.1..18.21.1
51-75%..11.110.8..6.51.8..15.95.5..9.66.53.91.323.89.39.56.440.022.014.313.54.34.312.53.7....7.94.440.015.65.01.415.37.110.74.53.01.211.110.833.327.37.10.7
76-100%......3.31.3......9.66.51.30.74.84.74.84.7..28.617.44.34.36.32.7..25.021.8....2.10.9..10.74.50.50.522.214.333.327.33.00.5
total..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.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #167639/154022

NFI4b

forest area: stand stability · degree of cover of regeneration (7 classes) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: processes in channels SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stand stabilitydegree of cover of regeneration (7 classes) %± %± %± %± %± %± %±
critical< 1%..0.70.50.50.51.50.92.31.10.70.51.00.3
1-4%..1.10.61.10.72.01.01.10.81.30.71.20.3
5-9%..0.70.50.50.51.00.70.60.61.30.70.80.3
10-25%..2.50.91.60.93.01.21.10.81.00.61.70.4
26-50%..1.10.62.11.01.50.91.71.00.70.51.20.3
51-75%1.11.11.10.60.70.71.00.71.71.00.70.51.00.3
76-100%..0.40.40.50.50.50.5....0.20.1
total1.11.17.41.67.11.910.52.28.62.15.71.37.10.7
less stable< 1%1.11.12.50.95.31.63.01.25.11.72.70.93.30.5
1-4%2.21.55.31.34.71.510.02.18.02.111.01.87.50.7
5-9%4.42.110.21.85.81.712.02.310.92.412.11.99.90.8
10-25%11.03.320.12.413.22.515.02.56.91.914.72.014.41.0
26-50%4.42.17.41.611.12.37.51.96.31.87.71.57.70.8
51-75%11.03.32.81.05.01.61.00.71.71.02.30.93.20.5
76-100%2.21.51.80.81.60.9..0.60.62.00.81.40.3
total36.35.050.03.046.63.648.53.539.43.752.52.947.31.4
stable< 1%..0.40.43.21.32.01.04.01.52.70.92.10.4
1-4%2.21.54.91.35.81.711.02.29.12.212.71.98.30.8
5-9%3.31.96.71.56.91.97.51.96.31.811.01.87.60.8
10-25%22.04.314.12.113.12.513.02.420.03.09.41.714.11.0
26-50%23.14.49.91.810.02.26.51.710.32.35.01.39.20.8
51-75%9.93.14.21.24.21.51.00.71.71.01.00.63.00.5
76-100%2.21.52.50.93.21.3..0.60.6..1.30.3
total62.65.142.62.946.33.641.03.552.03.841.82.945.51.4
total< 1%1.11.13.51.18.92.16.51.711.42.46.01.46.30.7
1-4%4.42.111.31.911.62.323.03.018.32.925.12.517.01.1
5-9%7.72.817.62.313.22.520.52.917.72.924.42.518.31.1
10-25%33.04.936.62.927.93.331.03.328.03.425.12.530.11.3
26-50%27.54.718.32.323.23.115.52.618.32.913.32.018.11.1
51-75%22.04.38.11.69.92.23.01.25.11.74.01.17.20.7
76-100%4.42.14.61.25.31.60.50.51.10.82.00.82.90.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #167640/154023

NFI4b

forest area: stand stability · degree of cover of regeneration (7 classes) · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: processes in channels SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stand stabilitydegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
critical< 1%..0.7710.31001.0581.4500.7714.229
1-4%..1.1580.7711.4500.7711.4505.326
5-9%..0.7710.31000.7710.41001.4503.532
10-25%..2.5381.0582.1410.7711.1587.422
26-50%..1.1581.4501.0581.1580.7715.326
51-75%0.41001.1580.51000.7711.1580.7714.429
76-100%..0.41000.31000.3100....1.058
total0.41007.6214.6287.2215.3256.02431.010
less stable< 1%0.41002.5383.4312.1413.2332.83514.415
1-4%0.7715.4263.1336.9224.92611.61732.610
5-9%1.45010.5183.8308.2206.72212.81643.49
10-25%3.63220.6138.72010.3184.22815.61462.97
26-50%1.4507.6217.3215.1253.9308.22033.510
51-75%3.6322.9353.2330.7711.1582.53813.916
76-100%0.7711.8451.058..0.41002.1416.024
total11.81751.2730.61033.2924.31155.67206.74
stable< 1%..0.41002.1411.4502.5382.8359.119
1-4%0.7715.0263.8307.6215.62513.51636.210
5-9%1.1586.9234.5285.1253.93011.71733.210
10-25%7.22214.4158.6198.91912.3169.91861.47
26-50%7.52210.1186.6224.5276.3235.32540.29
51-75%3.2334.3292.8350.7711.1581.15813.116
76-100%0.7712.5382.141..0.4100..5.725
total20.41343.6830.41028.11032.0944.38198.84
total< 1%0.41003.6315.9244.5277.0226.42327.711
1-4%1.45011.5177.62115.81411.21726.51174.17
5-9%2.53818.0148.72014.11510.91725.91180.16
10-25%10.71837.5918.31321.31217.21326.611131.65
26-50%8.92018.81315.21410.61711.31714.11578.96
51-75%7.2228.3206.5232.1413.2334.32931.411
76-100%1.4504.7273.4310.31000.7712.14112.717
total32.610102.4465.6668.6561.56105.94436.52

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #167641/154024

NFI4b

forest area: stand stability · degree of cover of regeneration (7 classes) · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: processes in channels SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stand stabilitydegree of cover of regeneration (7 classes) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critical< 1%..........1.61.60.80.8....2.92.8..1.50.92.31.10.70.51.00.3
1-4%..........1.61.60.80.81.01.01.01.02.92.8..2.01.01.10.81.30.71.20.3
5-9%............1.61.11.01.0......1.00.70.60.61.30.70.80.3
10-25%..........1.61.63.21.62.01.42.11.5..1.91.93.01.21.10.81.00.61.70.4
26-50%............1.61.11.01.01.01.02.92.83.82.61.50.91.71.00.70.51.20.3
51-75%........7.16.9..0.80.8..2.11.5..1.91.91.00.71.71.00.70.51.00.3
76-100%............0.80.8......1.91.90.50.5....0.20.1
total........7.16.94.82.79.62.65.02.26.22.58.64.79.44.010.52.28.62.15.71.37.10.7
less stable< 1%2.01.9........4.82.70.80.85.92.43.11.8..7.53.63.01.25.11.72.70.93.30.5
1-4%3.92.7........4.82.73.21.65.02.28.32.82.92.85.73.210.02.18.02.111.01.87.50.7
5-9%7.83.8........4.82.79.62.65.02.214.63.62.92.89.44.012.02.310.92.412.11.99.90.8
10-25%9.84.225.021.710.19.68.38.014.39.418.94.922.43.79.93.017.73.914.35.918.95.415.02.56.91.914.72.014.41.0
26-50%3.92.7..10.19.6..7.16.96.43.18.02.410.93.17.32.720.26.85.73.27.51.96.31.87.71.57.70.8
51-75%5.93.3..10.19.616.710.828.612.13.22.22.41.45.02.23.11.82.92.85.73.21.00.71.71.02.30.93.20.5
76-100%2.01.9....8.38.0....3.21.61.01.01.01.0..3.82.6..0.60.62.00.81.40.3
total35.36.725.021.730.414.733.313.650.013.442.86.349.64.542.64.955.25.143.08.456.66.848.53.539.43.752.52.947.31.4
stable< 1%............0.80.84.01.9....3.82.62.01.04.01.52.70.92.10.4
1-4%2.01.9....8.38.0..9.53.71.61.16.92.56.22.5..7.53.611.02.29.12.212.71.98.30.8
5-9%3.92.7....8.38.0..6.43.16.42.25.92.47.32.711.45.45.73.27.51.96.31.811.01.87.60.8
10-25%29.46.425.021.729.014.3..7.16.914.34.414.43.112.93.313.53.517.16.411.34.413.02.420.03.09.41.714.11.0
26-50%15.85.150.025.140.615.641.714.314.39.411.14.010.42.713.93.48.32.88.64.73.82.66.51.710.32.35.01.39.20.8
51-75%9.84.2....8.38.021.411.07.93.44.01.84.01.92.11.511.45.4..1.00.71.71.01.00.63.00.5
76-100%3.92.7........3.22.23.21.65.02.21.01.0..1.91.9..0.60.6..1.30.3
total64.76.775.021.769.614.766.713.642.913.252.56.340.84.452.55.038.55.048.58.534.06.541.03.552.03.841.82.945.61.4
total< 1%2.01.9........6.43.12.41.49.93.03.11.82.92.811.34.46.51.711.42.46.01.46.40.7
1-4%5.93.3....8.38.0..15.94.65.62.112.93.315.63.75.73.913.24.723.03.018.32.925.12.517.01.1
5-9%11.84.5....8.38.0..11.14.017.63.411.93.221.94.214.35.915.24.920.52.917.72.924.42.518.31.1
10-25%39.26.850.025.139.115.48.38.021.411.034.86.040.04.424.84.333.44.831.47.932.16.431.03.328.03.425.12.530.21.3
26-50%19.75.650.025.150.715.941.714.321.411.017.54.820.03.625.74.416.73.831.67.913.24.715.52.618.32.913.32.018.11.1
51-75%15.75.1..10.19.625.012.557.113.211.14.07.22.38.92.87.32.714.35.97.53.63.01.25.11.74.01.17.10.7
76-100%5.93.3....8.38.0..3.22.27.22.35.92.42.11.5..7.53.60.50.51.10.82.00.82.90.5
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.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #167642/154025

NFI4b

forest area: stand stability · degree of cover of regeneration (7 classes) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: processes in channels SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
stand stability
criticalless stablestabletotal
economic regiondegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura< 1%..0.4100..0.4100
1-4%..0.7710.41001.158
5-9%..1.4500.7712.141
10-25%..1.8455.3257.122
26-50%..0.7712.9353.631
51-75%..1.1581.8452.935
76-100%..0.41000.7711.158
total..6.42311.81718.213
Eastern Jura< 1%........
1-4%........
5-9%........
10-25%..0.41000.41000.870
26-50%....0.8700.870
51-75%........
76-100%........
total..0.41001.2571.649
Western Plateau< 1%........
1-4%........
5-9%........
10-25%..0.41001.2581.650
26-50%..0.41001.6492.144
51-75%..0.4100..0.4100
76-100%........
total..1.2572.8374.131
Central Plateau< 1%........
1-4%....0.31000.3100
5-9%....0.31000.3100
10-25%..0.3100..0.3100
26-50%....1.5441.544
51-75%..0.6710.31000.957
76-100%..0.3100..0.3100
total..1.2502.5353.728
Eastern Plateau< 1%........
1-4%........
5-9%........
10-25%..0.7710.41001.158
26-50%..0.41000.7711.158
51-75%0.41001.4501.1582.935
76-100%........
total0.41002.5372.1415.026
Western Pre-Alps< 1%0.41001.157..1.549
1-4%0.41001.1572.2403.730
5-9%..1.1571.5492.637
10-25%0.41004.4283.3328.120
26-50%..1.5492.6374.129
51-75%..0.7701.9442.637
76-100%....0.7700.770
total1.15710.01712.21523.39
Central Pre-Alps< 1%0.41000.41000.41001.158
1-4%0.41001.4500.7712.537
5-9%0.7714.3282.9357.921
10-25%1.45010.0186.52317.913
26-50%0.7713.6314.7279.019
51-75%0.41001.1581.8443.233
76-100%0.41001.4501.4503.233
total4.32822.21118.31344.87
Eastern Pre-Alps< 1%..2.1401.4503.631
1-4%0.41001.8442.5374.627
5-9%0.41001.8442.1414.328
10-25%0.7713.6314.6278.919
26-50%0.41003.9305.0269.319
51-75%..1.8441.4503.233
76-100%..0.41001.8442.140
total1.84415.41418.91236.18
Northwestern Alps< 1%..1.157..1.157
1-4%0.41002.9352.1405.425
5-9%..5.0262.5377.521
10-25%0.7716.1234.62711.416
26-50%0.41002.5372.9355.724
51-75%0.7711.1570.7712.537
76-100%..0.41000.41000.771
total2.14018.91213.21534.37
Central Alps< 1%0.3100....0.3100
1-4%0.31000.3100..0.770
5-9%..0.31001.4491.744
10-25%..1.7442.1403.829
26-50%0.31002.4371.0573.829
51-75%..0.31001.4491.744
76-100%........
total1.0575.2245.82212.114
Northeastern Alps< 1%..1.4490.7702.140
1-4%..1.1571.4492.537
5-9%..1.8441.1582.935
10-25%0.41003.6312.1406.123
26-50%0.7701.1570.7702.537
51-75%0.41001.157..1.449
76-100%0.41000.7700.41001.449
total1.84410.7166.52219.011
Southwestern Alps< 1%1.0582.1411.4504.527
1-4%1.4506.9227.62115.814
5-9%0.7718.2205.12514.115
10-25%2.14110.3188.91921.312
26-50%1.0585.1254.52710.617
51-75%0.7710.7710.7712.141
76-100%0.3100....0.3100
total7.22133.2928.11068.65
Southeastern Alps< 1%1.4503.2332.5387.022
1-4%0.7714.9265.62511.217
5-9%0.41006.7223.93010.917
10-25%0.7714.22812.31617.213
26-50%1.1583.9306.32311.317
51-75%1.1581.1581.1583.233
76-100%..0.41000.41000.771
total5.32524.31132.0961.56
Southern Alps< 1%0.7712.8352.8356.423
1-4%1.45011.61713.51626.511
5-9%1.45012.81611.71725.911
10-25%1.15815.6149.91826.611
26-50%0.7718.2205.32514.115
51-75%0.7712.5381.1584.329
76-100%..2.141..2.141
total6.02455.6744.38105.94
Switzerland< 1%4.22914.5159.21927.911
1-4%5.32632.71036.41074.47
5-9%3.53243.4933.21080.16
10-25%7.42263.1761.77132.25
26-50%5.32633.71040.5979.46
51-75%4.22913.81613.11631.211
76-100%1.1586.0245.72512.817
total31.010207.34199.84438.12

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #167643/154026

NFI4b

forest area: stand stability · degree of cover of assured regeneration · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: processes in channels SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
stand stabilitydegree of cover of assured regeneration %± %± %± %± %± %± %±
criticalless than 1%....0.80.41.10.83.01.50.70.51.00.3
1-4%....1.20.52.21.10.70.72.00.81.40.3
5-9%....0.60.31.71.00.70.71.00.60.80.3
10-25%....2.20.72.81.22.21.31.00.61.80.4
26-50%....1.40.51.71.02.21.31.00.61.30.3
51-75%..1.61.60.60.41.10.80.70.70.70.50.70.2
76-100%....0.40.3......0.20.1
total..1.61.67.21.210.72.39.72.66.21.47.10.7
less stableless than 1%1.91.81.61.65.01.03.91.55.21.95.21.34.60.6
1-4%7.43.61.61.68.31.210.72.36.72.210.41.78.60.8
5-9%7.43.61.61.68.71.311.82.49.02.512.51.99.70.8
10-25%9.33.915.94.617.61.714.62.65.21.913.42.014.41.0
26-50%3.72.611.14.06.41.17.92.05.21.96.61.46.60.7
51-75%3.72.66.33.12.40.7..1.51.02.30.92.20.4
76-100%1.91.84.82.71.00.4....2.00.81.20.3
total35.26.542.86.249.42.248.93.732.84.152.42.947.31.4
stableless than 1%....2.60.72.21.18.22.44.61.23.40.5
1-4%3.72.64.82.76.11.110.72.310.42.612.21.98.60.8
5-9%5.63.16.33.17.11.18.42.19.72.611.21.88.50.8
10-25%31.56.312.74.214.31.612.92.520.93.59.21.714.21.0
26-50%14.84.823.85.49.51.35.61.78.22.43.21.08.20.8
51-75%9.33.96.33.12.20.70.60.6..1.00.61.90.4
76-100%..1.61.61.60.6......0.70.2
total64.86.555.66.343.42.240.53.757.54.341.32.845.61.4
totalless than 1%1.91.81.61.68.31.27.32.016.43.210.51.89.00.8
1-4%11.14.36.33.115.71.623.63.217.93.324.62.518.51.1
5-9%13.04.67.93.416.51.721.93.119.43.424.62.519.01.1
10-25%40.76.728.65.734.12.130.33.428.33.923.62.430.41.3
26-50%18.55.334.96.017.31.715.22.715.73.110.81.816.21.0
51-75%13.04.614.34.45.21.01.71.02.21.33.91.14.90.6
76-100%1.91.86.33.13.00.8....2.00.82.10.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #167644/154027

NFI4b

forest area: stand stability · degree of cover of assured regeneration · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: processes in channels SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
stand stabilitydegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
criticalless than 1%....1.4500.7711.4500.7714.229
1-4%....2.1411.4500.41002.1416.024
5-9%....1.1581.0580.41001.1583.532
10-25%....3.9301.7441.1581.1587.721
26-50%....2.5381.0581.1581.1585.625
51-75%..0.41001.1580.7710.41000.7713.233
76-100%....0.771......0.771
total..0.410012.8166.5224.6276.82331.010
less stableless than 1%0.41000.41008.9202.4372.5375.72520.113
1-4%1.4500.410014.9156.5223.23311.31737.79
5-9%1.4500.410015.6157.2214.22813.51642.49
10-25%1.8453.53131.6108.9192.53714.61562.97
26-50%0.7712.53811.4174.8262.5387.12229.011
51-75%0.7711.4504.329..0.7712.5389.619
76-100%0.41001.1581.845....2.1415.326
total6.8239.51988.5629.8915.61456.97207.14
stableless than 1%....4.6281.4503.9305.02614.815
1-4%0.7711.15811.0186.5224.92613.21637.59
5-9%1.1581.45012.8165.1254.62712.11737.110
10-25%6.1242.83525.5117.9209.91810.01862.27
26-50%2.9355.32617.0143.4313.9303.53136.010
51-75%1.8451.4503.9300.3100..1.1588.520
76-100%..0.41002.835......3.233
total12.61612.41777.7624.61127.21044.98199.44
totalless than 1%0.41000.410014.9154.4277.82111.41739.29
1-4%2.2411.45028.01114.4158.52026.71181.16
5-9%2.5381.84529.51113.3159.21926.71183.06
10-25%7.9216.42361.0718.51313.41525.711132.95
26-50%3.6317.82130.9109.2197.42111.71770.77
51-75%2.5383.2339.3191.0581.1584.32921.413
76-100%0.41001.4505.326....2.1419.220
total19.51322.312179.0360.9547.47108.64437.52

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #167645/154028

NFI4b

forest area: stand stability · degree of cover of assured regeneration · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: processes in channels SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZHSwitzerland
stand stabilitydegree of cover of assured regeneration %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
criticalless than 1%................1.70.9..4.84.7................0.80.63.83.82.12.11.50.9....1.00.3
1-4%......1.60.9........1.30.7................5.33.6..1.70.83.83.8..2.01.0....1.40.3
5-9%......0.50.5........0.40.4........4.34.3..........1.20.7....2.01.0....0.80.3
10-25%....14.313.52.21.1........1.30.7..9.56.4....4.34.31.31.2....2.62.6..1.20.7..2.12.12.51.1....1.70.4
26-50%..............4.84.71.70.9..4.84.7......2.51.8....2.62.6..0.80.6..4.33.01.50.9....1.30.3
51-75%..............4.84.70.40.4......14.313.5............0.80.6..2.12.11.00.7..33.327.30.70.2
76-100%......0.50.5....................1.31.2....................0.20.1
total....14.313.54.91.6......9.66.56.91.7..19.08.6..14.313.58.75.95.02.4....10.55.0..6.61.67.75.210.74.510.52.2..33.327.37.10.7
less stableless than 1%....14.313.51.10.8..6.83.8..14.37.77.31.74.84.7......4.34.37.53.0....7.94.4..4.51.3..4.33.03.51.3....4.70.6
1-4%..22.214.2..5.41.7..6.83.8..14.37.78.21.89.56.44.84.720.018.0..13.07.16.22.7....7.94.4..10.72.03.83.86.43.612.02.311.110.8..8.60.8
5-9%......10.32.2..4.63.2..4.84.79.92.04.84.79.56.4..42.919.113.07.13.72.1..25.021.87.94.410.09.512.82.27.75.26.43.611.02.2....9.70.8
10-25%..11.110.8..19.62.920.018.020.46.1..14.37.79.51.99.56.423.89.3....21.78.716.34.1..25.021.813.25.510.09.514.52.33.83.816.95.514.52.5..33.327.314.41.0
26-50%......3.31.3..9.14.4....3.91.3..9.56.420.018.0..8.75.912.53.7..25.021.87.94.420.012.77.01.623.58.48.54.17.01.811.110.8..6.60.7
51-75%......2.21.1..2.32.3..4.84.71.30.74.84.74.84.7....4.34.35.02.4....2.62.6..2.91.1..2.12.10.50.511.110.8..2.20.4
76-100%......0.50.5......4.84.70.40.4..4.84.7..14.313.54.34.31.31.2..25.021.8....2.10.9..2.12.1..11.110.8..1.30.3
total..33.316.114.313.542.43.620.018.049.97.6..57.410.840.53.233.310.357.110.840.022.057.119.069.69.652.55.6..100.0.47.48.140.015.654.53.238.89.646.87.348.53.544.417.133.327.347.41.4
stableless than 1%..22.214.2..1.10.8........7.81.8..........7.53.0....2.62.6..3.31.23.83.8..2.01.0....3.40.5
1-4%..22.214.214.313.58.12.0..4.63.2..4.84.712.12.14.84.7........6.22.7....5.33.6..10.42.0..4.33.011.02.2....8.50.8
5-9%..11.110.828.617.410.42.3..4.63.2..4.44.29.11.9....20.018.0....5.02.4....2.62.6..11.62.115.37.16.43.69.02.0....8.40.8
10-25%..11.110.8..17.42.840.022.118.25.8..14.37.716.02.433.310.34.84.720.018.014.313.521.78.712.53.7....13.25.520.012.79.11.915.37.112.74.813.52.422.214.3..14.31.0
26-50%....28.617.412.02.440.022.118.25.8..9.66.57.31.714.37.719.08.6......7.53.0....15.85.910.09.53.21.115.37.110.74.55.01.522.214.3..8.30.8
51-75%......2.71.2..4.63.2......14.37.7..20.018.014.313.5..1.31.2....2.62.630.014.61.20.73.83.82.12.10.50.511.110.8..1.90.4
76-100%......1.10.8........0.40.4..........2.51.8............6.43.6....33.327.30.70.2
total..66.715.971.417.252.73.780.018.050.17.5..33.110.352.63.366.710.323.89.360.022.028.617.421.78.742.55.5....42.18.060.015.638.83.153.69.842.57.241.03.555.617.033.327.345.51.4
totalless than 1%..22.214.214.313.52.21.1..6.83.8..14.37.716.82.54.84.74.84.7....4.34.315.04.0....10.55.0..8.71.87.75.26.43.67.01.8....9.00.8
1-4%..44.416.914.313.515.22.6..11.44.8..19.18.721.62.714.37.74.84.720.018.0..13.07.112.53.7....18.46.3..22.72.77.75.210.74.525.03.111.110.8..18.51.1
5-9%..11.110.828.617.421.23.0..9.14.4..9.16.219.42.64.84.79.56.420.018.042.919.117.48.08.73.2..25.021.810.55.010.09.525.72.823.08.312.84.922.02.9....18.91.1
10-25%..22.214.214.313.539.13.660.022.138.67.4..28.710.026.72.942.910.838.110.620.018.014.313.547.810.530.05.1..25.021.829.07.430.014.624.82.819.17.731.76.830.53.322.214.333.327.330.41.3
26-50%....28.617.415.22.740.022.127.36.7..14.37.712.92.214.37.733.310.320.018.0..8.75.922.54.7..25.021.826.37.230.014.611.12.038.89.623.56.213.52.433.316.2..16.21.0
51-75%......4.91.6..6.83.8..9.66.51.70.919.08.64.84.720.018.028.617.44.34.36.32.7....5.33.630.014.65.01.43.83.86.43.62.01.022.214.333.327.34.90.6
76-100%......2.21.1......4.84.70.90.6..4.84.7..14.313.54.34.35.02.4..25.021.8....2.10.9..8.54.1..11.110.833.327.32.20.4
total..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.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #167646/154029

NFI4b

forest area: stand stability · degree of cover of assured regeneration · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: processes in channels SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
stand stability
criticalless stablestabletotal
cantondegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGless than 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
AIless than 1%....0.6690.669
1-4%..0.6690.6691.345
5-9%....0.31000.3100
10-25%..0.31000.31000.669
26-50%........
51-75%........
76-100%........
total..1.0541.9342.924
ARless than 1%..0.3100..0.3100
1-4%....0.31000.3100
5-9%....0.6690.669
10-25%0.3100....0.3100
26-50%....0.6690.669
51-75%........
76-100%........
total0.31000.31001.6412.233
BEless than 1%..0.7710.7711.450
1-4%1.0583.4315.1259.618
5-9%0.31006.5236.52313.415
10-25%1.45012.31610.91724.611
26-50%..2.1417.5219.618
51-75%..1.4501.7453.133
76-100%0.31000.31000.7711.450
total3.13326.71133.2963.06
BL/BSless than 1%........
1-4%........
5-9%........
10-25%..0.41000.8701.257
26-50%....0.8700.870
51-75%........
76-100%........
total..0.41001.6492.043
FRless than 1%..1.157..1.157
1-4%..1.1570.7701.944
5-9%..0.7700.7701.549
10-25%..3.3323.0346.323
26-50%..1.5493.0344.527
51-75%..0.41000.7701.157
76-100%........
total..8.2208.21916.412
GEless than 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
GLless than 1%..1.257..1.257
1-4%..1.2570.41001.549
5-9%..0.41000.41000.771
10-25%..1.2571.2572.339
26-50%0.4100..0.8701.257
51-75%0.41000.4100..0.870
76-100%..0.4100..0.4100
total0.8704.6262.7368.118
GRless than 1%1.4505.9246.32313.615
1-4%1.0586.6239.81817.513
5-9%0.31008.0207.32115.714
10-25%1.0587.72112.91621.612
26-50%1.4503.2335.92410.518
51-75%0.31001.058..1.450
76-100%..0.31000.31000.771
total5.62532.8942.6881.05
JUless than 1%..0.4100..0.4100
1-4%..0.8700.41001.257
5-9%..0.4100..0.4100
10-25%..0.8702.7363.532
26-50%....1.2571.257
51-75%..0.41001.2571.649
76-100%........
total..2.7365.5258.219
LUless than 1%0.3100....0.3100
1-4%..0.3100..0.3100
5-9%..0.670..0.670
10-25%0.6701.6440.31002.534
26-50%0.31000.6701.3492.237
51-75%..0.3100..0.3100
76-100%..0.3100..0.3100
total1.3493.8281.6446.620
NEless than 1%........
1-4%..0.3100..0.3100
5-9%....0.31000.3100
10-25%....0.31000.3100
26-50%..0.3100..0.3100
51-75%....0.31000.3100
76-100%........
total..0.6701.0571.644
NWless than 1%........
1-4%........
5-9%..1.255..1.255
10-25%....0.41000.4100
26-50%........
51-75%0.4100..0.41000.869
76-100%..0.4100..0.4100
total0.41001.5460.8692.732
OWless than 1%..0.4100..0.4100
1-4%..1.157..1.157
5-9%0.41001.157..1.549
10-25%0.41001.9431.9434.127
26-50%..0.770..0.770
51-75%..0.4100..0.4100
76-100%..0.4100..0.4100
total0.7706.0211.9438.616
SGless than 1%..2.2402.2404.328
1-4%..1.8441.8443.631
5-9%..1.1581.4502.537
10-25%0.41004.7273.6318.719
26-50%0.7703.6312.2406.523
51-75%..1.4500.41001.844
76-100%0.41000.41000.7701.450
total1.45015.21412.31628.99
SHless than 1%........
1-4%........
5-9%........
10-25%........
26-50%........
51-75%........
76-100%........
total........
SOless than 1%........
1-4%........
5-9%..0.4100..0.4100
10-25%..0.4100..0.4100
26-50%..0.4100..0.4100
51-75%........
76-100%..0.4100..0.4100
total..1.549..1.549
SZless than 1%..1.1570.41001.449
1-4%0.7701.1570.7702.536
5-9%..1.1570.41001.449
10-25%0.41001.8441.8444.029
26-50%0.41001.1572.2403.630
51-75%..0.41000.41000.770
76-100%........
total1.4496.5215.82313.812
TGless than 1%........
1-4%........
5-9%..0.3100..0.3100
10-25%..0.31000.6700.957
26-50%..0.6700.31000.957
51-75%....0.9570.957
76-100%........
total..1.2491.8393.030
TIless than 1%0.7713.9302.9357.521
1-4%1.4509.3199.01919.713
5-9%1.15811.11710.01822.212
10-25%1.15812.5167.92121.512
26-50%0.7716.1242.8359.619
51-75%0.7712.5371.1584.328
76-100%..1.844..1.844
total5.72447.3733.6986.64
URless than 1%0.3100..0.31000.770
1-4%0.31000.3100..0.770
5-9%..0.7701.3492.039
10-25%..0.31001.3491.743
26-50%..2.0401.3493.330
51-75%....0.31000.3100
76-100%........
total0.7703.3304.6248.616
VDless than 1%0.41000.871..1.158
1-4%..1.1580.8711.944
5-9%..1.1581.1582.340
10-25%0.41003.0352.3415.625
26-50%0.8711.5501.9444.230
51-75%0.41000.41000.41001.158
76-100%..0.41001.1581.550
total1.9448.3217.62217.813
VSless than 1%1.0582.4371.4504.826
1-4%1.4508.2207.62117.213
5-9%1.4507.5216.22315.114
10-25%1.7449.9189.31920.912
26-50%1.0584.8263.4319.319
51-75%0.7710.31000.31001.450
76-100%........
total7.22133.2928.11068.65
ZGless than 1%........
1-4%..0.4100..0.4100
5-9%........
10-25%....0.9680.968
26-50%..0.41000.9681.353
51-75%..0.41000.41000.968
76-100%..0.4100..0.4100
total..1.7442.1373.921
ZHless than 1%........
1-4%........
5-9%........
10-25%..0.4100..0.4100
26-50%........
51-75%0.4100....0.4100
76-100%....0.41000.4100
total0.41000.41000.41001.157
Switzerlandless than 1%4.22920.31314.71539.29
1-4%5.92437.8937.21080.96
5-9%3.53242.2936.71082.56
10-25%7.62162.8762.47132.85
26-50%5.72528.91136.11070.77
51-75%3.3339.7198.52021.513
76-100%0.7715.5263.2339.420
total30.911207.34198.84437.02

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #167647/154030

NFI4b

forest area: stand stability · degree of cover of assured regeneration · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: processes in channels SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
stand stabilitydegree of cover of assured regeneration %± %± %± %± %± %±
criticalless than 1%....0.70.51.40.50.70.51.00.3
1-4%....1.40.71.40.51.70.71.40.3
5-9%....0.70.50.90.41.00.60.80.3
10-25%....2.81.02.00.61.00.61.80.4
26-50%....0.70.52.10.60.70.51.30.3
51-75%..2.82.70.30.30.90.40.70.50.70.2
76-100%....0.30.30.20.2..0.20.1
total..2.82.76.91.58.91.25.71.37.10.7
less stableless than 1%1.81.8..4.21.25.20.95.01.34.60.6
1-4%7.33.5..5.51.310.01.310.31.88.60.8
5-9%7.33.52.82.76.91.510.21.312.71.99.70.8
10-25%9.13.911.15.218.32.313.41.413.72.014.41.0
26-50%3.62.516.76.26.61.56.51.06.41.46.60.7
51-75%3.62.55.63.82.81.01.40.52.30.92.20.4
76-100%1.81.82.82.71.40.70.50.32.00.81.20.3
total34.66.438.98.145.72.947.22.152.52.947.31.4
stableless than 1%....2.81.03.60.84.71.23.40.5
1-4%3.62.55.63.85.51.38.81.212.41.98.50.8
5-9%7.33.5..6.21.49.01.211.01.88.50.8
10-25%30.96.216.76.215.62.114.31.59.41.714.21.0
26-50%14.54.827.87.512.11.97.01.13.31.08.30.8
51-75%9.13.98.34.62.81.00.90.41.00.62.00.4
76-100%....2.40.90.40.3..0.70.2
total65.46.458.48.247.42.943.82.141.82.945.61.4
totalless than 1%1.81.8..7.61.610.21.310.41.88.90.8
1-4%10.94.25.63.812.51.920.21.724.42.518.51.1
5-9%14.54.82.82.713.82.020.11.724.82.519.01.1
10-25%40.06.627.87.536.72.829.71.924.12.530.41.3
26-50%18.25.244.48.319.42.315.61.510.31.816.21.0
51-75%12.74.516.76.25.91.43.20.84.01.14.90.6
76-100%1.81.82.82.74.21.21.10.42.00.82.10.4
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #167648/154031

NFI4b

forest area: stand stability · degree of cover of assured regeneration · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: processes in channels SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
stand stabilitydegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
criticalless than 1%....0.7712.8350.7714.229
1-4%....1.4502.8351.8456.024
5-9%....0.7711.7451.1583.532
10-25%....2.9353.8301.1587.721
26-50%....0.7714.1290.7715.625
51-75%..0.41000.41001.7450.7713.233
76-100%....0.41000.3100..0.771
total..0.41007.22217.3146.02430.910
less stableless than 1%0.4100..4.32910.0185.32520.013
1-4%1.550..5.82519.41310.91737.59
5-9%1.5500.41007.22219.71313.51642.29
10-25%1.8451.45019.11325.91114.51562.87
26-50%0.7712.1416.82312.5166.72328.911
51-75%0.7710.7712.9352.8352.5389.619
76-100%0.41000.41001.4501.0582.1415.326
total6.9234.92647.6891.3555.67206.44
stableless than 1%....2.9356.9225.02614.815
1-4%0.7710.7715.82516.91413.11637.39
5-9%1.550..6.52317.31411.71737.010
10-25%6.2242.14116.21427.6119.91862.17
26-50%2.9353.53112.61613.5163.53136.010
51-75%1.8451.1582.9351.7451.1588.620
76-100%....2.5380.771..3.233
total13.1167.42249.4884.7644.38198.94
totalless than 1%0.4100..7.92119.71311.01739.09
1-4%2.2410.77113.01639.1925.81180.86
5-9%2.9350.410014.41538.8926.21182.76
10-25%8.0213.53138.2957.4725.511132.75
26-50%3.6315.62520.21330.11010.91770.57
51-75%2.6382.1416.1246.3234.32921.313
76-100%0.41000.41004.3292.1412.1419.220
total20.11312.716104.24193.43105.94436.22

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #167649/154032

NFI4b

forest area: stand stability · degree of cover of assured regeneration · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: processes in channels SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stand stabilitydegree of cover of assured regeneration %± %± %± %± %± %± %±
criticalless than 1%..0.70.50.50.51.50.92.31.10.70.51.00.3
1-4%..1.10.61.60.92.01.01.10.81.70.71.40.3
5-9%..0.70.5..2.01.00.60.61.00.60.80.3
10-25%..2.81.01.60.92.51.11.71.01.00.61.80.4
26-50%..1.10.62.11.01.50.92.31.10.70.51.30.3
51-75%1.11.10.70.50.70.71.00.70.60.60.70.50.80.3
76-100%..0.40.40.50.5......0.20.1
total1.11.17.41.67.11.910.52.28.62.15.71.37.10.7
less stableless than 1%1.11.12.81.06.81.83.51.37.42.05.01.34.60.6
1-4%4.42.16.71.57.92.012.02.38.02.110.31.88.60.8
5-9%5.52.410.61.84.81.511.02.29.12.212.71.99.70.8
10-25%9.93.120.82.412.62.414.52.59.12.213.72.014.41.0
26-50%8.83.05.31.310.32.27.01.84.01.56.41.46.60.7
51-75%4.42.12.50.92.61.20.50.51.71.02.30.92.20.4
76-100%2.21.51.40.71.60.9....2.00.81.20.3
total36.35.050.03.046.63.648.53.539.43.752.52.947.31.4
stableless than 1%..0.70.55.31.62.01.06.91.94.71.23.40.5
1-4%4.42.15.61.45.81.711.02.29.12.212.41.98.60.8
5-9%4.42.17.41.66.91.89.02.09.22.211.01.88.50.8
10-25%25.34.614.82.113.12.513.52.417.72.99.41.714.21.0
26-50%19.84.29.51.711.62.35.01.58.62.13.31.08.20.8
51-75%8.83.02.81.02.11.00.50.5..1.00.62.00.4
76-100%..1.80.81.60.9..0.60.6..0.70.2
total62.65.142.62.946.33.641.03.552.03.841.82.945.51.4
totalless than 1%1.11.14.21.212.62.47.01.816.62.810.41.88.90.8
1-4%8.83.013.42.015.32.625.03.118.32.924.42.518.51.1
5-9%9.93.118.72.311.62.322.02.918.93.024.82.519.01.1
10-25%35.25.038.42.927.43.230.53.328.63.424.12.530.41.3
26-50%28.64.715.82.223.93.113.52.414.92.710.31.816.21.0
51-75%14.33.76.01.45.51.72.01.02.31.14.01.14.90.6
76-100%2.21.53.51.13.71.4..0.60.62.00.82.10.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #167650/154033

NFI4b

forest area: stand stability · degree of cover of assured regeneration · protection forest region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: processes in channels SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stand stabilitydegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
criticalless than 1%..0.7710.31001.0581.4500.7714.229
1-4%..1.1581.0581.4500.7711.8456.024
5-9%..0.771..1.4500.41001.1583.532
10-25%..2.9351.0581.7441.1581.1587.721
26-50%..1.1581.4501.0581.4500.7715.625
51-75%0.41000.7710.51000.7710.41000.7713.334
76-100%..0.41000.3100......0.771
total0.41007.6214.6287.2215.3256.02431.010
less stableless than 1%0.41002.9354.5272.4374.6275.32520.013
1-4%1.4506.9235.2258.2204.92610.91737.59
5-9%1.84510.8183.1337.5215.62513.51642.49
10-25%3.23321.3128.3209.9185.62514.51562.97
26-50%2.9355.4266.7234.8262.5386.72329.011
51-75%1.4502.5381.7440.31001.1582.5389.619
76-100%0.7711.4501.058....2.1415.326
total11.81751.2730.61033.2924.31155.67206.74
stableless than 1%..0.7713.4311.4504.2285.02614.715
1-4%1.4505.8253.8307.6215.62513.11637.39
5-9%1.4507.6224.5276.2235.62511.71737.010
10-25%8.22115.1158.6199.31910.9179.91862.17
26-50%6.4239.7197.6213.4315.3253.53135.910
51-75%2.9352.9351.4500.3100..1.1588.520
76-100%..1.8451.058..0.4100..3.233
total20.41343.6830.41028.11032.0944.38198.84
totalless than 1%0.41004.3298.3204.82610.21811.01738.99
1-4%2.93513.71610.01817.21311.21725.81180.86
5-9%3.23319.1137.62115.11411.61726.21182.96
10-25%11.41739.3917.91320.91217.61325.511132.75
26-50%9.31916.21415.7149.3199.11910.91770.67
51-75%4.6286.1243.6321.4501.4504.32921.413
76-100%0.7713.6312.438..0.41002.1419.219
total32.610102.4465.6668.6561.56105.94436.52

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #167651/154034

NFI4b

forest area: stand stability · degree of cover of assured regeneration · economic region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: processes in channels SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
economic region
Western JuraEastern JuraWestern PlateauCentral PlateauEastern PlateauWestern Pre-AlpsCentral Pre-AlpsEastern Pre-AlpsNorthwestern AlpsCentral AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
stand stabilitydegree of cover of assured regeneration %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
criticalless than 1%..........1.61.60.80.8....2.92.8..1.50.92.31.10.70.51.00.3
1-4%..........1.61.60.80.82.01.41.01.02.92.8..2.01.01.10.81.70.71.40.3
5-9%............1.61.1........2.01.00.60.61.00.60.80.3
10-25%..........1.61.64.01.82.01.42.11.5..1.91.92.51.11.71.01.00.61.80.4
26-50%............0.80.81.01.02.11.52.92.83.82.61.50.92.31.10.70.51.30.3
51-75%........7.16.9..0.80.8..1.01.0..1.91.91.00.70.60.60.70.50.70.2
76-100%............0.80.8......1.91.9......0.20.1
total........7.16.94.82.79.62.65.02.26.22.58.64.79.44.010.52.28.62.15.71.37.10.7
less stableless than 1%2.01.9........4.82.70.80.87.92.74.22.0..9.44.03.51.37.42.05.01.34.60.6
1-4%7.83.8........4.82.74.81.96.92.510.43.15.73.911.34.412.02.38.02.110.31.88.60.8
5-9%7.83.8......7.16.94.82.712.02.92.01.412.53.48.64.77.63.611.02.29.12.212.71.99.70.8
10-25%7.83.825.021.710.19.616.710.87.16.920.55.121.63.712.93.319.84.15.73.917.05.214.52.59.12.213.72.014.41.0
26-50%3.92.7..20.312.88.38.021.411.06.43.14.81.98.92.85.22.323.07.23.82.67.01.84.01.56.41.46.60.7
51-75%3.92.7......14.39.41.61.63.21.63.01.72.11.5..3.82.60.50.51.71.02.30.92.20.4
76-100%2.01.9....8.38.0....2.41.41.01.01.01.0..3.82.6....2.00.81.20.3
total35.36.725.021.730.414.733.313.650.013.442.86.349.64.542.64.955.25.143.08.456.66.848.53.539.43.752.52.947.31.4
stableless than 1%............0.80.86.92.51.01.02.92.83.82.62.01.06.91.94.71.23.40.5
1-4%3.92.7....16.710.8..9.53.72.41.46.92.57.32.7..7.53.611.02.29.12.212.41.98.50.8
5-9%7.83.8........6.43.16.42.25.92.49.43.011.45.45.73.29.02.09.22.211.01.88.50.8
10-25%31.36.525.021.739.115.4..14.39.419.15.016.03.312.93.310.43.117.16.411.34.413.52.417.72.99.41.714.31.0
26-50%11.84.550.025.130.414.750.014.57.16.911.14.010.42.714.93.57.32.711.45.45.73.25.01.58.62.13.31.08.30.8
51-75%9.84.2......21.411.03.22.23.21.62.01.42.11.55.73.9..0.50.5..1.00.62.00.4
76-100%..........3.22.21.61.13.01.71.01.0......0.60.6..0.70.2
total64.76.775.021.769.614.766.713.642.913.252.56.340.84.452.55.038.55.048.58.534.06.541.03.552.03.841.82.945.61.4
totalless than 1%2.01.9........6.43.12.41.414.93.55.22.35.73.913.24.77.01.816.62.810.41.89.00.8
1-4%11.84.5....16.710.8..15.94.68.02.415.83.618.74.08.64.718.95.425.03.118.32.924.42.518.51.1
5-9%15.75.1......7.16.911.14.020.03.67.92.721.94.220.06.813.34.722.02.918.93.024.82.518.91.1
10-25%39.26.850.025.149.315.916.710.821.411.041.26.241.64.427.74.532.34.822.87.130.26.330.53.328.63.424.12.530.51.3
26-50%15.85.150.025.150.715.958.314.328.612.117.54.816.03.324.84.314.63.637.38.213.24.713.52.414.92.710.31.816.21.0
51-75%13.74.8......42.913.24.82.77.22.35.02.25.22.35.73.95.73.22.01.02.31.14.01.14.90.6
76-100%2.01.9....8.38.0..3.22.24.81.94.01.92.11.5..5.73.2..0.60.62.00.82.10.4
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.

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 04.11.2014 #167652/154035

NFI4b

forest area: stand stability · degree of cover of assured regeneration · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: processes in channels SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
stand stability
criticalless stablestabletotal
economic regiondegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 1%..0.4100..0.4100
1-4%..1.4500.7712.141
5-9%..1.4501.4502.935
10-25%..1.4505.7257.122
26-50%..0.7712.2412.935
51-75%..0.7711.8452.538
76-100%..0.4100..0.4100
total..6.42311.81718.213
Eastern Juraless than 1%........
1-4%........
5-9%........
10-25%..0.41000.41000.870
26-50%....0.8700.870
51-75%........
76-100%........
total..0.41001.2571.649
Western Plateauless than 1%........
1-4%........
5-9%........
10-25%..0.41001.6502.044
26-50%..0.8701.2572.144
51-75%........
76-100%........
total..1.2572.8374.131
Central Plateauless than 1%........
1-4%....0.6710.671
5-9%........
10-25%..0.671..0.671
26-50%..0.31001.9402.237
51-75%........
76-100%..0.3100..0.3100
total..1.2502.5353.728
Eastern Plateauless than 1%........
1-4%........
5-9%..0.4100..0.4100
10-25%..0.41000.7711.158
26-50%..1.1580.41001.450
51-75%0.41000.7711.1582.141
76-100%........
total0.41002.5372.1415.026
Western Pre-Alpsless than 1%0.41001.157..1.549
1-4%0.41001.1572.2403.730
5-9%..1.1571.5492.637
10-25%0.41004.8274.4289.618
26-50%..1.5492.6374.129
51-75%..0.41000.7701.157
76-100%....0.7700.770
total1.15710.01712.21523.39
Central Pre-Alpsless than 1%0.41000.41000.41001.158
1-4%0.41002.2401.1583.631
5-9%0.7715.4252.9359.019
10-25%1.8449.7187.22218.613
26-50%0.41002.2404.7277.222
51-75%0.41001.4501.4503.233
76-100%0.41001.1580.7712.240
total4.32822.21118.31344.87
Eastern Pre-Alpsless than 1%..2.9352.5375.425
1-4%0.7712.5372.5375.724
5-9%..0.7712.1402.935
10-25%0.7714.6274.62710.018
26-50%0.41003.2335.4258.919
51-75%..1.1570.7711.844
76-100%..0.41001.1571.450
total1.84415.41418.91236.18
Northwestern Alpsless than 1%..1.4500.41001.844
1-4%0.41003.6312.5376.423
5-9%..4.3283.2337.521
10-25%0.7716.8223.63111.117
26-50%0.7711.8442.5375.026
51-75%0.41000.7710.7711.844
76-100%..0.41000.41000.771
total2.14018.91213.21534.37
Central Alpsless than 1%0.3100..0.31000.770
1-4%0.31000.770..1.057
5-9%..1.0571.4492.437
10-25%..0.7702.1402.734
26-50%0.31002.8341.4494.526
51-75%....0.7700.770
76-100%........
total1.0575.2245.82212.114
Northeastern Alpsless than 1%..1.8440.7702.537
1-4%..2.2401.4493.631
5-9%..1.4501.1582.537
10-25%0.41003.2322.1405.723
26-50%0.7700.7701.1572.537
51-75%0.41000.770..1.157
76-100%0.41000.770..1.157
total1.84410.7166.52219.011
Southwestern Alpsless than 1%1.0582.4371.4504.826
1-4%1.4508.2207.62117.213
5-9%1.4507.5216.22315.114
10-25%1.7449.9189.31920.912
26-50%1.0584.8263.4319.319
51-75%0.7710.31000.31001.450
76-100%........
total7.22133.2928.11068.65
Southeastern Alpsless than 1%1.4504.6274.22810.218
1-4%0.7714.9265.62511.217
5-9%0.41005.6255.62511.617
10-25%1.1585.62510.91717.613
26-50%1.4502.5385.3259.119
51-75%0.41001.158..1.450
76-100%....0.41000.4100
total5.32524.31132.0961.56
Southern Alpsless than 1%0.7715.3255.02611.017
1-4%1.84510.91713.11625.811
5-9%1.15813.51611.71726.211
10-25%1.15814.5159.91825.511
26-50%0.7716.7233.53110.917
51-75%0.7712.5381.1584.329
76-100%..2.141..2.141
total6.02455.6744.38105.94
Switzerlandless than 1%4.22920.21314.81539.29
1-4%6.02437.7937.4981.06
5-9%3.53242.4937.11083.06
10-25%7.82163.1762.57133.45
26-50%5.62529.11136.11070.87
51-75%3.2339.6198.62021.313
76-100%0.7715.3263.2339.320
total31.010207.34199.84438.12

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #167653/154036

NFI4b

forest area: urgency of next treatment (interview survey) · type of next treatment (interview survey) · biogeographical region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: processes in channels SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
urgency of next treatment (interview survey)type of next treatment (interview survey) %± %± %± %± %± %± %±
0-1 yearno treatment..............
tending..3.22.20.60.3......0.40.2
thinning1.91.87.93.40.80.4....0.30.30.90.3
establishment cut3.72.61.61.62.20.7..2.21.3..1.40.3
removal cut1.91.8..0.20.20.60.61.51.00.30.30.50.2
plentering1.91.83.22.20.60.3......0.50.2
thinning of mountain forest....1.40.51.10.8..1.60.71.10.3
coppice cut..............
conversion..............
transformation..............
sanitary felling....0.40.3......0.20.1
plentering in broadleaf forest....0.20.2......0.10.1
tending of forest edge..1.61.6......0.30.30.20.1
planting..............
agrosilvicultural treatments1.91.8..........0.10.1
total11.14.317.54.86.31.11.71.03.71.62.60.95.30.6
2-5 yearsno treatment..............
tending1.91.83.22.23.00.81.10.80.70.70.70.51.90.4
thinning9.33.96.33.13.00.81.10.8..1.30.72.40.4
establishment cut7.43.67.93.43.00.82.21.15.21.91.60.73.20.5
removal cut1.91.8..0.80.4....0.70.50.60.2
plentering..3.22.21.60.60.60.6....0.90.3
thinning of mountain forest1.91.8..4.40.93.91.52.21.32.30.93.20.5
coppice cut..........0.30.30.10.1
conversion....0.20.2......0.10.1
transformation..............
sanitary felling1.91.8....0.60.6....0.20.1
plentering in broadleaf forest3.72.66.33.11.00.4......0.90.3
tending of forest edge..1.61.60.40.3..2.21.3..0.50.2
planting..............
agrosilvicultural treatments..............
total27.86.128.65.717.21.79.52.210.42.66.91.513.91.0
6-10 yearsno treatment..............
tending....2.80.71.71.02.21.30.30.31.70.4
thinning9.33.99.53.75.61.00.60.63.01.52.30.94.10.6
establishment cut3.72.611.14.02.80.72.21.13.01.51.30.72.80.5
removal cut..3.22.20.80.4....1.00.60.70.2
plentering1.91.86.33.13.00.8..0.70.70.30.31.80.4
thinning of mountain forest3.72.6..7.91.28.42.13.71.62.60.95.60.7
coppice cut1.91.81.61.6......1.30.70.50.2
conversion..........0.30.30.10.1
transformation..............
sanitary felling......0.60.6..0.30.30.20.1
plentering in broadleaf forest1.91.89.53.70.80.4......0.90.3
tending of forest edge....0.20.2......0.10.1
planting..............
agrosilvicultural treatments1.91.8..0.80.4....0.30.30.50.2
total24.15.841.36.224.61.913.52.612.72.910.21.719.01.1
11-20 yearsno treatment..............
tending1.91.8..1.60.61.71.04.51.8..1.40.3
thinning3.72.63.22.23.60.81.10.81.51.02.30.92.70.5
establishment cut9.33.91.61.64.00.94.51.63.01.52.00.83.50.5
removal cut..1.61.61.20.50.60.6..0.30.30.70.2
plentering....1.80.6..0.70.7..0.80.3
thinning of mountain forest3.72.6..10.51.414.02.66.72.26.61.48.80.8
coppice cut..........2.30.90.60.2
conversion..........0.70.50.20.1
transformation..1.61.60.20.2......0.20.1
sanitary felling....0.60.3......0.20.1
plentering in broadleaf forest..1.61.60.60.3......0.30.2
tending of forest edge....0.20.2......0.10.1
planting..............
agrosilvicultural treatments1.91.8..0.40.30.60.60.70.70.30.30.50.2
total20.45.59.53.724.61.922.53.117.23.314.42.020.01.1
> 20 yearsno treatment16.75.13.22.227.32.052.83.756.04.365.92.741.81.4
tending..............
thinning..............
establishment cut..............
removal cut..............
plentering..............
thinning of mountain forest..............
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..............
total16.75.13.22.227.32.052.83.756.04.365.92.741.81.4
totalno treatment16.75.13.22.227.32.052.83.756.04.365.92.741.81.4
tending3.72.66.33.17.91.24.51.67.52.31.00.65.40.6
thinning24.15.827.05.612.91.52.81.24.51.86.21.410.10.9
establishment cut24.15.822.25.211.91.49.02.113.42.94.91.211.00.9
removal cut3.72.64.82.73.00.81.10.81.51.02.30.92.50.4
plentering3.72.612.74.26.91.10.60.61.51.00.30.34.00.6
thinning of mountain forest9.34.0..24.21.927.53.312.72.913.11.918.81.1
coppice cut1.91.81.61.6......3.91.11.10.3
conversion....0.20.2....1.00.60.30.2
transformation..1.61.60.20.2......0.20.1
sanitary felling1.91.8..1.00.41.10.8..0.30.30.70.2
plentering in broadleaf forest5.63.117.54.82.60.7......2.20.4
tending of forest edge..3.22.20.80.4..2.21.30.30.30.80.3
planting..............
agrosilvicultural treatments5.63.1..1.20.50.60.60.70.70.70.51.10.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #167654/154037

NFI4b

forest area: urgency of next treatment (interview survey) · type of next treatment (interview survey) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: processes in channels SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
urgency of next treatment (interview survey)type of next treatment (interview survey)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0-1 yearno treatment..............
tending..0.7711.158......1.845
thinning0.41001.8451.450....0.41003.930
establishment cut0.7710.41003.930..1.158..6.024
removal cut0.4100..0.41000.31000.7710.41002.141
plentering0.41000.7711.158......2.141
thinning of mountain forest....2.5380.771..1.8454.927
coppice cut..............
conversion..............
transformation..............
sanitary felling....0.771......0.771
plentering in broadleaf forest....0.4100......0.4100
tending of forest edge..0.4100......0.41000.771
planting..............
agrosilvicultural treatments0.4100..........0.4100
total2.2413.93011.3171.0581.8442.83523.012
2-5 yearsno treatment..............
tending0.41000.7715.3260.7710.41000.7718.121
thinning1.8451.4505.3260.771..1.45010.618
establishment cut1.4501.8455.3261.4502.5371.84514.116
removal cut0.4100..1.450....0.7712.538
plentering..0.7712.8350.3100....3.930
thinning of mountain forest0.4100..7.8212.4371.1582.53814.116
coppice cut..........0.41000.4100
conversion....0.4100......0.4100
transformation..............
sanitary felling0.4100....0.3100....0.771
plentering in broadleaf forest0.7711.4501.845......3.930
tending of forest edge..0.41000.771..1.158..2.141
planting..............
agrosilvicultural treatments..............
total5.4256.42330.9105.8244.9267.52160.97
6-10 yearsno treatment..............
tending....5.0271.0581.1580.41007.422
thinning1.8452.1419.9190.31001.4502.53818.114
establishment cut0.7712.5385.0271.4501.4501.45012.417
removal cut..0.7711.450....1.1583.233
plentering0.41001.4505.326..0.41000.41007.821
thinning of mountain forest0.771..14.2165.1251.8442.83524.612
coppice cut0.41000.4100......1.4502.141
conversion..........0.41000.4100
transformation..............
sanitary felling......0.3100..0.41000.771
plentering in broadleaf forest0.41002.1411.450......3.930
tending of forest edge....0.4100......0.4100
planting..............
agrosilvicultural treatments0.4100..1.450....0.41002.141
total4.7279.21944.088.2206.02411.01783.16
11-20 yearsno treatment..............
tending0.4100..2.8351.0582.141..6.323
thinning0.7710.7716.4230.7710.7712.53811.717
establishment cut1.8450.41007.1222.7351.4502.14115.515
removal cut..0.41002.1410.3100..0.41003.233
plentering....3.233..0.4100..3.532
thinning of mountain forest0.771..18.8138.6193.2337.12238.49
coppice cut..........2.5382.538
conversion..........0.7710.771
transformation..0.41000.4100......0.771
sanitary felling....1.158......1.158
plentering in broadleaf forest..0.41001.158......1.450
tending of forest edge....0.4100......0.4100
planting..............
agrosilvicultural treatments0.4100..0.7710.31000.41000.41002.141
total4.0302.14144.0813.7158.12015.71487.56
> 20 yearsno treatment3.2330.77148.8832.2926.51071.56183.04
tending..............
thinning..............
establishment cut..............
removal cut..............
plentering..............
thinning of mountain forest..............
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..............
total3.2330.77148.8832.2926.51071.56183.04
totalno treatment3.2330.77148.8832.2926.51071.56183.04
tending0.7711.45014.2162.7353.5311.15823.712
thinning4.7276.02423.1121.7442.1416.82344.49
establishment cut4.7274.92621.3135.5246.4235.32548.18
removal cut0.7711.1585.3260.7710.7712.53811.018
plentering0.7712.83512.4170.31000.7710.410017.414
thinning of mountain forest1.845..43.3916.8136.02414.21582.16
coppice cut0.41000.4100......4.3295.026
conversion....0.4100....1.1581.450
transformation..0.41000.4100......0.771
sanitary felling0.4100..1.8450.771..0.41003.233
plentering in broadleaf forest1.1583.9304.628......9.619
tending of forest edge..0.7711.450..1.1580.41003.532
planting..............
agrosilvicultural treatments1.158..2.1410.31000.41000.7714.628
total19.51322.312179.0360.9547.47108.64437.52

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #167655/154038

NFI4b

forest area: urgency of next treatment (interview survey) · type of next treatment (interview survey) · canton
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: processes in channels SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZHSwitzerland
urgency of next treatment (interview survey)type of next treatment (interview survey) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
0-1 yearno treatment....................................................
tending....14.313.51.10.8............4.84.7....................2.12.1......0.40.2
thinning....14.313.51.60.9............4.84.7..............10.09.50.40.47.75.22.12.1..11.110.8..0.90.3
establishment cut......1.60.9..2.32.3....1.30.7........4.34.33.82.1..25.021.85.33.6......4.33.00.50.5....1.40.3
removal cut......0.50.5......4.84.70.90.6....................0.40.4....0.50.5....0.50.2
plentering......1.60.9..2.32.3..........20.018.0....1.31.2....................0.50.2
thinning of mountain forest......1.10.8........1.30.7......14.313.58.75.9..........0.80.67.75.2..1.00.7....1.10.3
coppice cut....................................................
conversion....................................................
transformation....................................................
sanitary felling..........2.32.3..............................2.12.1......0.20.1
plentering in broadleaf forest..............4.84.7..................................0.10.1
tending of forest edge..........2.32.3..........................0.40.4..........0.20.1
planting....................................................
agrosilvicultural treatments......0.50.5..........................................0.10.1
total....28.617.48.12.0..9.14.4..9.66.53.41.2..9.56.420.018.014.313.513.07.15.02.4..25.021.85.33.610.09.52.10.915.37.110.74.52.01.011.110.8..5.20.6
2-5 yearsno treatment....................................................
tending......1.60.9..4.63.2..4.84.70.90.64.84.7....14.313.513.07.13.82.1....7.94.4....3.83.8..1.00.711.110.8..1.90.4
thinning......3.31.320.018.04.63.2....0.40.44.84.79.56.420.018.0..4.34.37.52.9..25.021.8..10.09.51.20.73.83.82.12.11.00.7....2.40.4
establishment cut..11.110.8..2.21.140.022.14.63.2....5.61.59.56.49.56.4......2.51.8....5.33.6..0.80.6..6.43.62.51.1....3.30.5
removal cut......0.50.5..2.32.3....0.90.64.84.7......4.34.31.31.2....................0.60.2
plentering......3.81.4..2.32.3................2.51.8..............0.50.5....0.90.3
thinning of mountain forest......3.81.4..2.32.3..14.37.72.21.0..19.08.6..14.313.54.34.33.82.1....2.62.6..2.10.93.83.82.12.13.51.3....3.20.5
coppice cut......................................0.40.4..........0.10.1
conversion......0.50.5..........................................0.10.1
transformation....................................................
sanitary felling......0.50.5....................................0.50.5....0.20.1
plentering in broadleaf forest......0.50.520.018.0....4.84.7............2.51.8..25.021.8..10.09.5........33.316.233.327.31.00.3
tending of forest edge......1.10.8........1.30.7..........1.21.2....................0.50.2
planting....................................................
agrosilvicultural treatments....................................................
total..11.110.8..17.92.880.018.020.56.1..23.99.411.22.123.89.338.110.620.018.028.617.426.19.225.04.9..50.025.115.85.920.012.74.51.311.56.310.74.59.02.044.417.133.327.314.01.0
6-10 yearsno treatment....................................................
tending......2.71.2..2.32.3..4.84.71.70.9..4.84.7....4.34.3......5.33.6......6.43.61.50.9....1.70.4
thinning..22.214.2..4.31.5..6.83.8....3.51.223.89.39.56.4......7.53.0....2.62.640.015.62.51.08.25.56.43.60.50.5....4.10.6
establishment cut....28.617.41.10.8..2.32.3....2.21.04.84.74.84.7......5.02.4....5.33.6..1.20.7..8.54.15.01.5....2.80.5
removal cut......1.10.8........0.40.4..........1.31.2........1.20.7..4.12.9......0.70.2
plentering..11.110.8..7.62.0........0.90.6..4.84.720.018.0....3.82.1....................1.70.4
thinning of mountain forest......7.11.9..11.44.8..14.37.73.41.29.56.4....28.617.48.75.92.51.8....15.85.9..2.10.911.56.38.54.17.51.9....5.70.7
coppice cut......................................1.70.8..4.33.0......0.50.2
conversion......................................0.40.4..........0.10.1
transformation....................................................
sanitary felling......................................0.40.4....0.50.5....0.20.1
plentering in broadleaf forest......1.10.8..............20.018.0....3.82.1......20.012.7........22.214.333.327.30.90.3
tending of forest edge............................1.31.2....................0.10.1
planting....................................................
agrosilvicultural treatments......0.50.5..2.22.1......4.84.7..............2.72.6..0.40.4....0.50.5....0.50.2
total..33.316.128.617.425.53.2..24.96.5..19.18.712.12.142.910.823.89.340.022.028.617.413.07.125.04.9....31.67.660.015.69.91.919.77.938.37.115.52.622.214.333.327.319.01.1
11-20 yearsno treatment....................................................
tending..11.110.8..2.21.1........3.01.14.84.74.84.7..................3.83.8..1.50.9....1.40.3
thinning....28.617.43.31.3..2.32.3....1.70.9..4.84.7......2.51.7....5.33.6..2.91.1..6.43.62.51.1....2.60.5
establishment cut....14.313.50.50.5..9.14.4....3.41.219.08.64.84.7......2.51.8....2.62.6..2.51.03.83.810.74.55.01.5....3.60.5
removal cut......0.50.5..4.63.2..4.84.70.40.4......14.313.5........5.33.6........0.50.5....0.70.2
plentering......1.60.9..6.83.8....0.40.4..........1.31.2....2.62.6..........11.110.8..0.80.3
thinning of mountain forest..22.214.2..14.72.6..9.14.4..4.84.77.31.74.84.79.56.4....4.34.31.31.2....7.94.4..6.21.623.08.38.54.112.52.3....8.70.8
coppice cut......................................2.91.1..........0.60.2
conversion......................................0.80.6..........0.20.1
transformation..........2.32.3....................................33.327.30.20.1
sanitary felling............................2.51.8............2.02.0......0.20.1
plentering in broadleaf forest......0.50.5......4.84.7....................10.09.5........11.110.8..0.30.2
tending of forest edge..............4.84.7..................................0.10.1
planting....................................................
agrosilvicultural treatments......1.10.8........0.40.4....................0.40.43.83.8..0.50.5....0.50.2
total..33.316.142.919.024.53.2..34.17.2..19.18.716.82.528.69.923.89.3..14.313.54.34.310.03.4....23.76.910.09.515.72.334.49.427.66.522.53.022.214.333.327.320.01.1
> 20 yearsno treatment..22.214.2..23.93.120.018.011.44.8..28.39.956.53.34.84.74.84.720.018.014.313.543.510.435.05.3..25.021.823.76.9..67.73.019.17.712.84.951.03.5....41.81.4
tending....................................................
thinning....................................................
establishment cut....................................................
removal cut....................................................
plentering....................................................
thinning of mountain forest....................................................
coppice cut....................................................
conversion....................................................
transformation....................................................
sanitary felling....................................................
plentering in broadleaf forest....................................................
tending of forest edge....................................................
planting....................................................
agrosilvicultural treatments....................................................
total..22.214.2..23.93.120.018.011.44.8..28.39.956.53.34.84.74.84.720.018.014.313.543.510.435.05.3..25.021.823.76.9..67.73.019.17.712.84.951.03.5....41.81.4
totalno treatment..22.214.2..23.93.120.018.011.44.8..28.39.956.53.34.84.74.84.720.018.014.313.543.510.435.05.3..25.021.823.76.9..67.73.019.17.712.84.951.03.5....41.81.4
tending..11.110.814.313.57.62.0..6.83.8..9.66.55.61.59.56.414.37.7..14.313.517.48.03.82.1....13.25.5....7.75.28.54.14.01.411.110.8..5.40.6
thinning..22.214.242.919.012.52.420.018.013.75.2....5.61.528.69.928.69.920.018.0..4.34.317.54.3..25.021.87.94.460.015.67.01.619.77.917.15.54.01.411.110.8..10.00.8
establishment cut..11.110.842.919.05.41.740.022.118.25.8....12.52.233.310.319.08.6....4.34.313.83.9..25.021.818.46.3..4.51.33.83.829.96.713.02.4....11.10.9
removal cut......2.71.2..6.83.8..9.66.52.61.04.84.7....14.313.54.34.32.51.8....5.33.6..1.70.8..4.12.91.00.7....2.50.5
plentering..11.110.8..14.72.6..11.44.8....1.30.7..4.84.740.022.0....8.83.2....2.62.6........0.50.511.110.8..3.90.5
thinning of mountain forest..22.214.2..26.73.3..22.86.3..33.510.414.22.314.37.728.69.9..57.119.026.19.27.53.0....26.37.2..11.22.045.99.819.25.824.53.0....18.71.1
coppice cut......................................5.01.4..4.33.0......1.20.3
conversion......0.50.5..............................1.20.7..........0.30.2
transformation..........2.32.3....................................33.327.30.20.1
sanitary felling......0.50.5..2.32.3................2.51.8........0.40.4..4.12.91.00.7....0.70.2
plentering in broadleaf forest......2.21.120.018.0....14.37.7......20.018.0....6.32.7..25.021.8..40.015.6........66.716.166.727.32.30.4
tending of forest edge......1.10.8..2.32.3..4.84.71.30.7..........2.51.7........0.40.4..........0.80.3
planting....................................................
agrosilvicultural treatments......2.21.1..2.22.1....0.40.44.84.7..............2.72.6..0.80.63.83.8..1.00.7....1.00.3
total..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.

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 04.11.2014 #167656/154039

NFI4b

forest area: urgency of next treatment (interview survey) · type of next treatment (interview survey) · canton
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: processes in channels SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
urgency of next treatment (interview survey)
0-1 year2-5 years6-10 years11-20 years> 20 yearstotal
cantontype of next treatment (interview survey)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
AGno treatment............
tending............
thinning............
establishment cut............
removal cut............
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total............
AIno treatment........0.6690.669
tending......0.3100..0.3100
thinning....0.669....0.669
establishment cut..0.3100......0.3100
removal cut............
plentering....0.3100....0.3100
thinning of mountain forest......0.669..0.669
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total..0.31001.0541.0540.6692.924
ARno treatment............
tending0.3100........0.3100
thinning0.3100....0.669..1.055
establishment cut....0.6690.3100..1.055
removal cut............
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.669..0.6691.055..2.233
BEno treatment........15.11515.115
tending0.7711.0581.7451.450..4.826
thinning1.0582.1412.7352.141..7.920
establishment cut1.0581.4500.7710.3100..3.431
removal cut0.31000.31000.7710.3100..1.745
plentering1.0582.4384.8261.058..9.219
thinning of mountain forest0.7712.4384.4279.319..16.814
coppice cut............
conversion..0.3100......0.3100
transformation............
sanitary felling..0.3100......0.3100
plentering in broadleaf forest..0.31000.7710.3100..1.450
tending of forest edge..0.771......0.771
planting............
agrosilvicultural treatments0.3100..0.31000.771..1.450
total5.12511.31716.11415.41415.11563.06
BL/BSno treatment........0.41000.4100
tending............
thinning..0.4100......0.4100
establishment cut..0.870......0.870
removal cut............
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest..0.4100......0.4100
tending of forest edge............
planting............
agrosilvicultural treatments............
total..1.649....0.41002.043
FRno treatment........1.9441.944
tending..0.7700.4100....1.157
thinning..0.7701.1570.4100..2.240
establishment cut0.41000.7700.41001.549..3.034
removal cut..0.4100..0.770..1.157
plentering0.41000.4100..1.157..1.944
thinning of mountain forest..0.41001.9441.549..3.730
coppice cut............
conversion............
transformation......0.4100..0.4100
sanitary felling0.4100........0.4100
plentering in broadleaf forest............
tending of forest edge0.4100........0.4100
planting............
agrosilvicultural treatments....0.4100....0.4100
total1.5493.4324.1295.6241.94416.412
GEno treatment............
tending............
thinning............
establishment cut............
removal cut............
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total............
GLno treatment........2.3402.340
tending..0.41000.4100....0.870
thinning............
establishment cut............
removal cut0.4100....0.4100..0.870
plentering............
thinning of mountain forest..1.2571.2570.4100..2.736
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest0.41000.4100..0.4100..1.257
tending of forest edge......0.4100..0.4100
planting............
agrosilvicultural treatments............
total0.8701.9431.5491.5492.3408.118
GRno treatment........45.8845.88
tending..0.7711.4502.438..4.527
thinning..0.31002.8351.450..4.627
establishment cut1.0584.5271.7452.835..10.118
removal cut0.7710.7710.31000.3100..2.141
plentering....0.7710.3100..1.058
thinning of mountain forest1.0581.7452.8355.924..11.517
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge..1.058......1.058
planting............
agrosilvicultural treatments......0.3100..0.3100
total2.8359.1199.81813.61545.8881.05
JUno treatment........0.41000.4100
tending..0.4100..0.4100..0.870
thinning..0.41001.944....2.340
establishment cut..0.8700.41001.649..2.736
removal cut..0.4100......0.4100
plentering............
thinning of mountain forest....0.8700.4100..1.257
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments....0.4100....0.4100
total..1.9443.5322.3400.41008.219
LUno treatment........0.31000.3100
tending0.3100..0.31000.3100..0.957
thinning0.31000.6700.6700.3100..1.940
establishment cut..0.6700.31000.3100..1.349
removal cut............
plentering....0.3100....0.3100
thinning of mountain forest..1.349..0.670..1.940
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.6702.5341.6441.6440.31006.620
NEno treatment........0.31000.3100
tending............
thinning..0.3100......0.3100
establishment cut............
removal cut............
plentering0.3100..0.3100....0.670
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest....0.3100....0.3100
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.31000.31000.670..0.31001.644
NWno treatment........0.41000.4100
tending..0.4100......0.4100
thinning............
establishment cut............
removal cut......0.4100..0.4100
plentering............
thinning of mountain forest0.41000.41000.869....1.546
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.41000.8690.8690.41000.41002.732
OWno treatment........3.7293.729
tending..1.1570.4100....1.549
thinning..0.4100......0.4100
establishment cut0.4100........0.4100
removal cut..0.4100......0.4100
plentering............
thinning of mountain forest0.7700.41000.7700.4100..2.239
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total1.1572.2391.1570.41003.7298.616
SGno treatment........10.11810.118
tending..1.157......1.157
thinning..2.2402.2400.771..5.126
establishment cut1.1570.7701.4500.770..4.029
removal cut..0.41000.4100....0.770
plentering0.41000.7701.1570.4100..2.537
thinning of mountain forest..1.1570.7700.4100..2.240
coppice cut............
conversion............
transformation............
sanitary felling......0.770..0.770
plentering in broadleaf forest..0.7701.157....1.844
tending of forest edge..0.41000.4100....0.771
planting............
agrosilvicultural treatments............
total1.4507.2217.2212.93510.11828.99
SHno treatment............
tending............
thinning............
establishment cut............
removal cut............
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total............
SOno treatment........0.41000.4100
tending............
thinning..0.4100......0.4100
establishment cut0.4100........0.4100
removal cut............
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest..0.4100......0.4100
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.41000.870....0.41001.549
SZno treatment........3.3323.332
tending..1.1570.770....1.844
thinning....0.41000.770..1.157
establishment cut0.7700.7700.7700.4100..2.536
removal cut......0.770..0.770
plentering......0.4100..0.4100
thinning of mountain forest..0.41002.2401.157..3.630
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments....0.4100....0.4100
total0.7702.2404.3273.3323.33213.812
TGno treatment............
tending............
thinning0.31000.31001.249....1.839
establishment cut............
removal cut............
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest..0.31000.6700.3100..1.249
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.31000.6701.8390.3100..3.030
TIno treatment........58.7658.76
tending............
thinning0.41001.1582.1412.537..6.124
establishment cut..0.7711.1582.141..3.930
removal cut0.4100..1.158....1.450
plentering............
thinning of mountain forest0.7711.8441.8445.425..9.719
coppice cut..0.41001.4502.537..4.328
conversion....0.41000.771..1.158
transformation............
sanitary felling....0.4100....0.4100
plentering in broadleaf forest............
tending of forest edge0.4100........0.4100
planting............
agrosilvicultural treatments....0.41000.4100..0.771
total1.8443.9308.62013.61558.7686.64
URno treatment........1.7441.744
tending..0.3100..0.3100..0.770
thinning0.7700.31000.771....1.744
establishment cut......0.3100..0.3100
removal cut............
plentering............
thinning of mountain forest0.7700.31001.0572.039..4.027
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments......0.3100..0.3100
total1.3491.0571.7443.0311.7448.616
VDno treatment........2.3402.340
tending0.4100..1.158....1.550
thinning0.41000.41001.1581.158..3.035
establishment cut0.8711.1581.5501.944..5.326
removal cut....0.771....0.771
plentering............
thinning of mountain forest..0.41001.5501.550..3.433
coppice cut....0.871....0.871
conversion............
transformation............
sanitary felling0.4100....0.4100..0.771
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total1.9441.9446.8234.9272.34017.813
VSno treatment........35.0935.09
tending..0.7711.0581.058..2.735
thinning..0.7710.31001.744..2.735
establishment cut0.31001.7443.4313.431..8.919
removal cut0.3100....0.3100..0.771
plentering..0.3100......0.3100
thinning of mountain forest0.7712.4375.1258.619..16.813
coppice cut............
conversion............
transformation............
sanitary felling..0.31000.3100....0.771
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments....0.31000.3100..0.771
total1.4506.22310.61715.41435.0968.65
ZGno treatment............
tending..0.4100......0.4100
thinning0.4100........0.4100
establishment cut............
removal cut............
plentering......0.4100..0.4100
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest..1.3530.9680.4100..2.632
tending of forest edge............
planting............
agrosilvicultural treatments............
total0.41001.7440.9680.968..3.921
ZHno treatment............
tending............
thinning............
establishment cut............
removal cut............
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation......0.4100..0.4100
sanitary felling............
plentering in broadleaf forest..0.41000.4100....0.770
tending of forest edge............
planting............
agrosilvicultural treatments............
total..0.41000.41000.4100..1.157
Switzerlandno treatment........182.54182.54
tending1.7458.4217.4226.224..23.712
thinning3.83010.61817.91411.617..43.99
establishment cut6.12414.21612.31715.715..48.48
removal cut2.1412.5383.2333.333..11.118
plentering2.1413.8307.5213.632..17.114
thinning of mountain forest4.92714.01624.91238.09..81.96
coppice cut..0.41002.2412.537..5.126
conversion..0.31000.41000.771..1.450
transformation......0.771..0.771
sanitary felling0.8710.7710.7711.158..3.233
plentering in broadleaf forest0.41004.2303.9301.550..9.918
tending of forest edge0.7712.1410.41000.4100..3.632
planting............
agrosilvicultural treatments0.3100..2.2412.141..4.628
total22.91261.2783.0687.46182.54437.02

calculated by unit of reference: canton

© WSL, Swiss National Forest Inventory, 03.11.2014 #167657/154040

NFI4b

forest area: urgency of next treatment (interview survey) · type of next treatment (interview survey) · production region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: processes in channels SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
urgency of next treatment (interview survey)type of next treatment (interview survey) %± %± %± %± %± %±
0-1 yearno treatment............
tending..2.82.71.40.7....0.40.2
thinning1.81.811.15.21.00.60.40.30.30.30.90.3
establishment cut3.62.52.82.72.40.91.30.5..1.40.3
removal cut1.81.8....0.70.40.30.30.50.2
plentering1.81.8..1.70.8....0.50.2
thinning of mountain forest....1.40.70.90.41.70.71.10.3
coppice cut............
conversion............
transformation............
sanitary felling....0.30.30.20.2..0.20.1
plentering in broadleaf forest......0.20.2..0.10.1
tending of forest edge..2.82.7....0.30.30.20.1
planting............
agrosilvicultural treatments1.81.8........0.10.1
total10.94.219.46.68.31.63.60.82.70.95.30.6
2-5 yearsno treatment............
tending1.81.85.63.83.11.01.60.50.70.51.90.4
thinning9.13.911.15.23.51.11.30.51.30.72.40.4
establishment cut7.33.511.15.23.81.12.90.71.70.73.20.5
removal cut1.81.8..1.00.60.20.20.70.50.60.2
plentering....3.51.10.20.2..0.90.3
thinning of mountain forest1.81.8..3.81.13.80.82.30.93.20.5
coppice cut........0.30.30.10.1
conversion....0.30.3....0.10.1
transformation............
sanitary felling1.81.8....0.20.2..0.20.1
plentering in broadleaf forest3.62.52.82.72.10.80.40.3..0.90.3
tending of forest edge....1.00.60.50.3..0.50.2
planting............
agrosilvicultural treatments............
total27.36.030.57.722.12.410.91.37.01.514.01.0
6-10 yearsno treatment............
tending....3.11.02.00.60.30.31.70.4
thinning9.13.913.95.86.21.42.90.72.30.94.20.6
establishment cut3.62.58.34.62.40.93.40.81.30.72.80.5
removal cut..2.92.80.70.50.50.31.00.60.70.2
plentering1.81.82.82.76.21.40.20.20.30.31.80.4
thinning of mountain forest3.62.5..8.31.66.41.02.70.95.70.7
coppice cut3.62.5......1.30.70.50.2
conversion........0.30.30.10.1
transformation............
sanitary felling......0.20.20.30.30.20.1
plentering in broadleaf forest1.81.88.34.62.40.9....0.90.3
tending of forest edge....0.30.3....0.10.1
planting............
agrosilvicultural treatments1.81.8..1.00.60.20.20.30.30.50.2
total25.55.936.28.030.82.715.71.510.41.819.11.1
11-20 yearsno treatment............
tending1.81.82.82.71.00.62.30.6..1.40.3
thinning3.62.52.82.72.81.02.70.72.30.92.70.5
establishment cut9.13.92.82.73.81.13.80.82.00.83.60.5
removal cut..2.82.71.00.60.70.40.30.30.70.2
plentering....2.40.90.50.3..0.80.3
thinning of mountain forest3.62.5..8.01.611.41.36.71.48.80.8
coppice cut........2.30.90.60.2
conversion........0.70.50.20.1
transformation....0.70.5....0.20.1
sanitary felling....0.70.50.20.2..0.20.1
plentering in broadleaf forest..2.82.70.70.50.20.2..0.30.2
tending of forest edge......0.20.2..0.10.1
planting............
agrosilvicultural treatments1.81.8....0.70.40.30.30.50.2
total20.05.413.95.821.12.422.71.814.72.020.01.1
> 20 yearsno treatment16.45.0..17.62.247.12.165.22.841.71.4
tending............
thinning............
establishment cut............
removal cut............
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total16.45.0..17.62.247.12.165.22.841.71.4
totalno treatment16.45.0..17.62.247.12.165.22.841.71.4
tending3.62.511.15.28.71.75.91.01.00.65.40.6
thinning23.65.738.98.113.52.07.21.16.41.410.20.9
establishment cut23.65.725.07.212.51.911.31.35.01.311.00.9
removal cut3.62.55.63.92.81.02.10.62.30.92.50.4
plentering3.62.52.82.713.82.00.90.40.30.34.00.6
thinning of mountain forest9.13.9..21.52.422.51.813.42.018.81.1
coppice cut3.62.5......4.01.11.10.3
conversion....0.30.3..1.00.60.30.2
transformation....0.70.5....0.20.1
sanitary felling1.81.8..1.00.60.70.40.30.30.70.2
plentering in broadleaf forest5.53.113.95.85.21.30.70.4..2.20.4
tending of forest edge..2.82.71.40.70.70.40.30.30.80.3
planting............
agrosilvicultural treatments5.53.1..1.00.60.90.40.70.51.10.3
total100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #167658/154041

NFI4b

forest area: urgency of next treatment (interview survey) · type of next treatment (interview survey) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: processes in channels SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
urgency of next treatment (interview survey)type of next treatment (interview survey)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
0-1 yearno treatment............
tending..0.41001.450....1.845
thinning0.41001.4501.1580.7710.41003.930
establishment cut0.7710.41002.5382.438..6.024
removal cut0.4100....1.4500.41002.141
plentering0.4100..1.845....2.241
thinning of mountain forest....1.4501.7451.8454.927
coppice cut............
conversion............
transformation............
sanitary felling....0.41000.3100..0.771
plentering in broadleaf forest......0.3100..0.3100
tending of forest edge..0.4100....0.41000.771
planting............
agrosilvicultural treatments0.4100........0.4100
total2.2412.5388.7206.9222.83523.012
2-5 yearsno treatment............
tending0.41000.7713.2333.1330.7718.121
thinning1.8451.4503.6312.4381.45010.718
establishment cut1.5501.4504.0305.5251.84514.116
removal cut0.4100..1.1580.31000.7712.538
plentering....3.6310.3100..4.030
thinning of mountain forest0.4100..4.0307.3222.53814.116
coppice cut........0.41000.4100
conversion....0.4100....0.4100
transformation............
sanitary felling0.4100....0.3100..0.771
plentering in broadleaf forest0.7710.41002.2410.771..3.930
tending of forest edge....1.1581.058..2.141
planting............
agrosilvicultural treatments............
total5.5253.93023.11221.1127.42160.97
6-10 yearsno treatment............
tending....3.2333.8300.41007.422
thinning1.8451.8456.5235.6252.53818.114
establishment cut0.7711.1582.5386.6231.45012.317
removal cut..0.41000.7711.0581.1583.233
plentering0.41000.41006.5230.31000.41007.921
thinning of mountain forest0.771..8.72012.4162.83524.712
coppice cut0.771......1.4502.141
conversion........0.41000.4100
transformation............
sanitary felling......0.31000.41000.771
plentering in broadleaf forest0.41001.1582.538....3.930
tending of forest edge....0.4100....0.4100
planting............
agrosilvicultural treatments0.4100..1.1580.31000.41002.141
total5.1264.62832.11030.41011.01783.26
11-20 yearsno treatment............
tending0.41000.41001.1584.528..6.323
thinning0.7710.41002.9355.2262.53811.617
establishment cut1.8450.41004.0307.3222.14115.515
removal cut..0.41001.1581.4500.41003.233
plentering....2.5381.058..3.632
thinning of mountain forest0.771..8.32122.1127.12238.29
coppice cut........2.5382.538
conversion........0.7710.771
transformation....0.771....0.771
sanitary felling....0.7710.4100..1.158
plentering in broadleaf forest..0.41000.7710.3100..1.450
tending of forest edge......0.3100..0.3100
planting............
agrosilvicultural treatments0.4100....1.4500.41002.141
total4.0301.84522.01243.9815.61487.36
> 20 yearsno treatment3.333..18.41391.0569.16181.74
tending............
thinning............
establishment cut............
removal cut............
plentering............
thinning of mountain forest............
coppice cut............
conversion............
transformation............
sanitary felling............
plentering in broadleaf forest............
tending of forest edge............
planting............
agrosilvicultural treatments............
total3.333..18.41391.0569.16181.74
totalno treatment3.333..18.41391.0569.16181.74
tending0.7711.4509.02011.4171.15823.612
thinning4.7274.92614.11613.9166.72244.39
establishment cut4.7273.23313.01621.8125.32548.08
removal cut0.7710.7712.9354.1292.53811.018
plentering0.7710.410014.4151.7450.410017.614
thinning of mountain forest1.845..22.31243.5814.21581.96
coppice cut0.771......4.3295.026
conversion....0.4100..1.1581.450
transformation....0.771....0.771
sanitary felling0.4100..1.1581.4500.41003.233
plentering in broadleaf forest1.1581.8455.4261.450..9.619
tending of forest edge..0.41001.4501.4500.41003.532
planting............
agrosilvicultural treatments1.158..1.1581.7450.7714.628
total20.11312.716104.24193.43105.94436.22

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #167659/154042

NFI4b

forest area: urgency of next treatment (interview survey) · type of next treatment (interview survey) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
restriction: processes in channels SilvaProtect, modelled and assigned = inside perimeter
grid:
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
urgency of next treatment (interview survey)type of next treatment (interview survey) %± %± %± %± %± %± %±
0-1 yearno treatment..............
tending1.11.11.10.60.50.5......0.40.2
thinning5.52.40.40.42.11.0....0.30.30.90.3
establishment cut3.31.91.80.82.61.20.50.51.71.0..1.40.3
removal cut1.11.1..0.50.50.50.51.10.80.30.30.50.2
plentering1.11.11.40.70.50.5......0.50.2
thinning of mountain forest..1.80.81.10.71.00.7..1.70.71.10.3
coppice cut..............
conversion..............
transformation..............
sanitary felling..0.70.5........0.20.1
plentering in broadleaf forest....0.50.5......0.10.1
tending of forest edge1.11.1........0.30.30.20.1
planting..............
agrosilvicultural treatments1.11.1..........0.10.1
total14.33.77.01.57.92.02.01.02.91.32.70.95.30.6
2-5 yearsno treatment..............
tending3.31.92.81.04.21.51.00.7..0.70.51.90.4
thinning9.93.12.81.03.71.41.00.7..1.30.72.40.4
establishment cut8.83.02.50.92.61.22.51.15.71.81.70.73.20.5
removal cut1.11.11.10.60.50.5....0.70.50.60.2
plentering..2.81.01.10.70.50.5....0.90.3
thinning of mountain forest1.11.14.91.34.21.53.51.31.71.02.30.93.20.5
coppice cut..........0.30.30.10.1
conversion..0.40.4........0.10.1
transformation..............
sanitary felling1.11.1....0.50.5....0.20.1
plentering in broadleaf forest3.31.90.40.43.71.4......0.90.3
tending of forest edge..0.70.50.60.5..1.71.0..0.50.2
planting..............
agrosilvicultural treatments..............
total28.64.718.32.320.62.99.02.09.12.27.01.513.91.0
6-10 yearsno treatment..............
tending..3.91.11.60.91.50.91.71.00.30.31.70.4
thinning11.03.35.31.35.81.70.50.54.01.52.30.94.10.6
establishment cut5.52.41.80.83.71.45.01.52.31.11.30.72.80.5
removal cut1.11.11.10.60.50.5..0.60.61.00.60.70.2
plentering2.21.55.31.31.60.9..0.60.60.30.31.80.4
thinning of mountain forest2.21.59.21.77.41.97.51.92.91.32.70.95.60.7
coppice cut2.21.5........1.30.70.50.2
conversion..........0.30.30.10.1
transformation..............
sanitary felling......0.50.5..0.30.30.20.1
plentering in broadleaf forest4.42.10.70.52.61.2......0.90.3
tending of forest edge....0.50.5......0.10.1
planting..............
agrosilvicultural treatments1.11.10.70.50.60.50.50.5..0.30.30.50.2
total29.74.827.82.724.23.115.52.612.02.510.41.819.01.1
11-20 yearsno treatment..............
tending2.21.51.40.71.10.71.50.94.01.5..1.50.3
thinning3.31.92.81.03.21.32.51.12.31.12.30.92.70.5
establishment cut6.62.63.21.02.61.25.01.54.61.62.00.83.50.5
removal cut1.11.11.10.61.60.90.50.5..0.30.30.70.2
plentering..2.10.91.60.9..0.60.6..0.80.3
thinning of mountain forest2.21.513.02.06.81.812.52.36.91.96.71.48.80.8
coppice cut..........2.30.90.60.2
conversion..........0.70.50.20.1
transformation..0.40.40.50.5......0.20.1
sanitary felling..0.40.41.10.7......0.20.1
plentering in broadleaf forest1.11.10.40.41.10.7......0.30.2
tending of forest edge....0.50.5......0.10.1
planting..............
agrosilvicultural treatments1.11.10.40.40.50.50.50.50.60.60.30.30.50.2
total17.64.025.02.620.52.922.53.018.83.014.72.020.01.1
> 20 yearsno treatment9.93.121.82.526.83.251.03.557.13.765.22.841.81.4
tending..............
thinning..............
establishment cut..............
removal cut..............
plentering..............
thinning of mountain forest..............
coppice cut..............
conversion..............
transformation..............
sanitary felling..............
plentering in broadleaf forest..............
tending of forest edge..............
planting..............
agrosilvicultural treatments..............
total9.93.121.82.526.83.251.03.557.13.765.22.841.81.4
totalno treatment9.93.121.82.526.83.251.03.557.13.765.22.841.81.4
tending6.62.69.21.77.41.94.01.45.71.81.00.65.40.6
thinning29.74.811.31.914.82.64.01.46.31.86.41.410.10.9
establishment cut24.24.59.21.711.62.313.02.414.32.65.01.311.00.9
removal cut4.42.23.21.03.21.31.00.71.71.02.30.92.50.4
plentering3.31.911.61.94.71.50.50.51.10.80.30.34.00.6
thinning of mountain forest5.52.428.92.719.42.924.53.011.42.413.42.018.81.1
coppice cut2.21.5........4.01.11.10.3
conversion..0.40.4......1.00.60.30.2
transformation..0.40.40.50.5......0.20.1
sanitary felling1.11.11.10.61.10.71.00.7..0.30.30.70.2
plentering in broadleaf forest8.83.01.40.77.92.0......2.20.4
tending of forest edge1.11.10.70.51.60.9..1.71.00.30.30.80.3
planting..............
agrosilvicultural treatments3.31.91.10.61.10.81.00.70.60.60.70.51.10.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 03.11.2014 #167660/154043
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