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NFI3NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectaltitudinal vegetation zone %± %± %± %± %± %± %±
n/aupper subalpine..29.55.312.20.014.46.48.13.916.45.012.52.8
lower subalpine4.34.38.95.318.94.24.010.713.64.220.66.310.72.4
upper montane4.52.7-2.84.55.14.97.46.47.35.118.16.83.02.0
lower montane-3.02.1-2.14.1-7.97.318.212.9-12.310.226.914.8-3.51.9
colline/submontane-2.21.6-0.16.13.05.89.79.7-8.27.414.36.4-1.61.5
total-1.41.11.02.53.43.48.55.25.62.917.63.20.70.9
inside perimeterupper subalpine..36.310.711.7.6.26.33.63.926.67.610.53.6
lower subalpine-18.033.419.07.89.84.96.52.24.76.311.66.38.92.3
upper montane27.08.6-1.26.918.14.212.04.33.89.33.34.27.52.9
lower montane18.35.925.211.62.05.1..12.37.7..9.83.9
colline/submontane..83.316.8..44.820.5....55.818.6
total20.56.37.75.111.02.78.72.04.74.48.43.38.71.6
outside perimeterupper subalpine..26.310.340.90.011.65.322.418.416.17.217.78.3
lower subalpine16.33.05.95.46.65.97.73.04.83.711.44.66.82.1
upper montane15.25.93.83.2-1.65.012.64.511.94.311.74.26.41.9
lower montane2.73.44.23.53.24.8-4.45.17.27.69.67.14.02.0
colline/submontane-6.74.6-4.36.3-5.85.7-1.77.912.713.110.73.1-0.52.3
total0.52.63.72.10.32.87.22.010.03.511.22.35.21.1
totalupper subalpine..29.54.720.77.510.93.514.59.217.94.214.74.3
lower subalpine4.24.18.73.513.83.06.72.48.02.613.03.48.81.4
upper montane6.62.40.42.63.63.211.52.99.03.210.43.15.11.3
lower montane-1.81.81.62.7-1.84.10.34.9-2.66.510.96.7-0.51.4
colline/submontane-2.71.5-1.84.4-2.64.24.76.3-1.06.811.52.8-1.31.3
total-0.91.02.91.62.82.07.91.57.52.111.81.83.00.7
© WSL, Swiss National Forest Inventory, 19.06.2020 #842510/308841
NFI1NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1983/852009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionaltitudinal vegetation zone %± %± %± %±
Western Juraupper subalpine........
lower subalpine14.18.0-0.239.916.810.813.97.5
upper montane24.45.852.114.933.310.526.85.1
lower montane10.85.443.317.614.77.912.84.4
colline/submontane4.46.3..14.010.66.45.4
total14.33.045.011.017.85.515.92.6
Eastern Juraupper subalpine........
lower subalpine........
upper montane25.4.....25.4.
lower montane27.710.6..16.211.525.38.7
colline/submontane4.25.5..-3.014.23.85.2
total9.64.7..7.09.59.34.3
Western Plateauupper subalpine........
lower subalpine6.712.4....6.712.4
upper montane47.540.0..-94.70.026.238.2
lower montane-16.07.8..89.926.2-9.47.7
colline/submontane16.011.3..-11.115.612.710.0
total-1.15.8..23.218.01.05.4
Central Plateauupper subalpine........
lower subalpine........
upper montane-55.627.4..12.220.1-33.925.3
lower montane-11.56.5..0.913.0-9.75.9
colline/submontane-12.05.6..0.412.4-10.65.1
total-12.43.8..1.28.6-10.73.4
Eastern Plateauupper subalpine........
lower subalpine........
upper montane-24.420.7..159.20.0-18.221.6
lower montane8.58.5..22.035.49.28.3
colline/submontane-6.73.4..4.818.1-6.23.4
total-3.63.0..11.216.2-3.02.9
Western Pre-Alpsupper subalpine........
lower subalpine11.514.729.221.1-1.417.96.311.1
upper montane-5.918.5-5.822.228.013.310.010.0
lower montane15.122.66.4.31.937.021.618.7
colline/submontane-15.20.065.6116.4-2.619.8-1.117.2
total3.410.94.916.415.79.49.66.1
Central Pre-Alpsupper subalpine66.112.5-5.70.0104.50.044.326.5
lower subalpine11.010.919.027.52.211.37.97.5
upper montane-6.58.0-2.915.015.86.92.45.1
lower montane10.99.2-12.613.916.39.012.76.2
colline/submontane15.113.4..-12.511.90.09.0
total4.24.80.711.010.64.66.73.1
Eastern Pre-Alpsupper subalpine........
lower subalpine5.110.41.34.712.417.87.48.5
upper montane2.111.42.220.03.79.12.96.9
lower montane29.013.4-1.025.711.211.418.08.3
colline/submontane15.114.9..-5.712.91.510.2
total12.56.60.514.45.05.98.24.1
Northwestern Alpsupper subalpine39.00.0-43.5.174.4125.925.725.7
lower subalpine25.311.537.519.814.215.821.79.3
upper montane21.425.1-11.013.029.517.411.510.0
lower montane39.358.8-44.221.335.120.123.320.2
colline/submontane39.642.4..32.827.036.124.7
total27.711.7-0.910.624.09.619.46.0
Central Alpsupper subalpine2.10.0119.60.0..44.638.4
lower subalpine21.022.013.723.711.115.616.913.5
upper montane7.827.119.520.397.939.132.217.3
lower montane35.412.016.40.047.417.538.59.4
colline/submontane131.28.3..33.823.854.923.8
total26.413.518.014.050.013.730.98.1
Northeastern Alpsupper subalpine....42.70.042.70.0
lower subalpine14.713.257.223.3-16.125.512.311.9
upper montane25.810.920.024.54.719.813.912.4
lower montane1.712.84.213.3-4.811.4-1.77.9
colline/submontane-17.00.0..-13.225.8-13.921.1
total13.97.920.613.0-3.89.06.65.7
Southwestern Alpsupper subalpine39.716.550.016.945.29.745.17.6
lower subalpine14.017.625.59.530.46.626.15.5
upper montane39.623.636.111.135.915.136.58.8
lower montane49.431.3..38.814.941.213.5
colline/submontane-13.518.9220.1120.442.319.928.215.4
total22.810.132.76.935.35.132.33.8
Southeastern Alpsupper subalpine24.58.923.716.949.720.836.711.2
lower subalpine19.38.314.813.85.77.412.25.1
upper montane40.410.419.514.24.78.116.86.0
lower montane11.815.016.827.525.211.217.69.3
colline/submontane-13.413.3..65.430.36.813.8
total20.35.017.48.814.05.316.93.4
Southern Alpsupper subalpine104.323.053.711.469.412.273.49.3
lower subalpine83.424.147.816.846.010.351.58.4
upper montane53.629.227.410.059.211.650.78.3
lower montane42.926.4..81.712.478.111.6
colline/submontane35.116.8..67.17.959.57.5
total54.911.536.27.963.85.358.64.3
Switzerlandupper subalpine37.87.837.09.952.610.645.06.2
lower subalpine16.53.725.06.014.54.217.12.5
upper montane12.43.915.25.223.03.817.12.4
lower montane5.93.03.48.723.73.911.62.3
colline/submontane-1.32.3146.092.318.64.42.92.0
total6.21.419.33.521.62.012.41.1
© WSL, Swiss National Forest Inventory, 19.06.2020 #842511/308842
NFI3NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionaltitudinal vegetation zone %± %± %± %±
Western Juraupper subalpine........
lower subalpine4.24.9-18.033.416.33.04.14.7
upper montane5.62.426.98.717.86.08.02.2
lower montane-2.23.618.35.90.14.7-0.92.8
colline/submontane5.23.8..-4.58.02.93.5
total2.81.720.36.32.33.63.21.5
Eastern Juraupper subalpine........
lower subalpine........
upper montane13.50.0....13.50.0
lower montane2.44.3..-7.910.70.24.2
colline/submontane-2.43.9..4.17.7-2.13.7
total-1.13.1..-3.17.4-1.32.9
Western Plateauupper subalpine........
lower subalpine5.17.2....5.17.2
upper montane14.17.0..196.1.14.67.0
lower montane-1.96.3..28.110.21.25.8
colline/submontane-2.16.2..-11.813.2-3.15.7
total-0.93.9..9.19.30.03.6
Central Plateauupper subalpine........
lower subalpine........
upper montane-20.73.6..-8.513.5-14.57.2
lower montane-5.34.8..7.15.2-3.54.2
colline/submontane-8.93.9..-16.99.9-10.03.5
total-7.72.9..-7.76.5-7.72.6
Eastern Plateauupper subalpine........
lower subalpine........
upper montane-1.79.8..-15.4.-3.38.8
lower montane-1.54.3..-0.116.0-1.44.1
colline/submontane-1.92.2..1.78.3-1.72.2
total-1.81.9..0.67.3-1.61.9
Western Pre-Alpsupper subalpine........
lower subalpine16.09.811.013.83.97.69.55.6
upper montane4.59.5-1.817.73.17.32.95.5
lower montane-5.78.115.00.017.36.54.35.7
colline/submontane14.00.085.518.517.11.820.03.1
total6.15.64.712.66.14.65.93.4
Central Pre-Alpsupper subalpine35.521.650.30.016.40.031.810.6
lower subalpine-2.310.48.520.75.76.31.86.3
upper montane-3.44.014.87.5-0.14.4-0.72.8
lower montane3.14.911.915.20.94.52.23.3
colline/submontane3.57.0..-11.49.2-4.26.0
total-0.23.013.27.80.02.70.52.0
Eastern Pre-Alpsupper subalpine........
lower subalpine13.34.815.61.11.08.68.64.5
upper montane8.56.15.13.2-8.75.9-0.94.2
lower montane-3.87.86.57.61.77.5-0.75.1
colline/submontane0.86.7..-9.85.5-5.94.3
total3.63.87.64.1-4.73.6-0.42.5
Northwestern Alpsupper subalpine25.5.19.80.011.71.421.53.1
lower subalpine4.64.630.17.37.311.69.56.0
upper montane14.93.2-8.79.89.75.04.44.4
lower montane-22.39.359.83.811.66.30.77.2
colline/submontane-10.29.0..-7.610.7-8.97.0
total1.43.66.37.67.15.54.93.1
Central Alpsupper subalpine12.20.011.7...12.00.2
lower subalpine23.66.84.57.111.214.214.74.8
upper montane0.910.419.68.037.125.518.29.0
lower montane11.910.123.37.89.67.611.66.1
colline/submontane23.15.5..28.011.826.48.0
total13.85.313.64.921.98.716.33.8
Northeastern Alpsupper subalpine....40.90.040.90.0
lower subalpine19.07.721.17.010.04.917.44.7
upper montane-12.411.623.16.5-2.76.51.55.7
lower montane-45.219.4-5.47.5-0.87.1-13.59.0
colline/submontane6.40.0..11.07.810.26.2
total-9.410.412.04.40.84.1-0.24.4
Southwestern Alpsupper subalpine15.24.87.06.412.25.611.53.6
lower subalpine0.511.26.22.27.63.16.02.4
upper montane1.55.812.14.411.84.410.42.8
lower montane15.512.9..-4.55.1-0.45.0
colline/submontane11.111.644.820.5-2.38.04.36.7
total5.65.58.72.06.92.17.21.6
Southeastern Alpsupper subalpine5.53.32.54.023.519.314.09.7
lower subalpine11.84.44.46.53.23.96.52.7
upper montane5.45.08.79.212.44.49.43.1
lower montane-11.810.513.58.95.28.1-3.56.8
colline/submontane-10.47.1..13.713.6-2.26.7
total3.92.95.94.49.53.76.82.1
Southern Alpsupper subalpine15.25.425.67.514.98.117.14.9
lower subalpine15.96.311.36.69.64.911.03.5
upper montane18.87.63.24.39.94.39.13.2
lower montane10.98.1..8.57.38.76.8
colline/submontane10.36.4..10.23.110.22.8
total13.73.48.13.49.92.310.21.8
Switzerlandupper subalpine10.52.510.23.717.98.914.24.7
lower subalpine8.32.49.02.45.92.27.51.4
upper montane4.01.78.32.95.22.05.21.2
lower montane-2.81.99.43.93.52.1-0.21.4
colline/submontane-2.21.555.819.0-0.52.3-1.71.2
total0.40.99.01.74.51.12.60.6
© WSL, Swiss National Forest Inventory, 19.06.2020 #842512/308843
NFI3NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionaltitudinal vegetation zone %± %± %± %±
Western Juraupper subalpine........
lower subalpine4.14.7-18.033.416.33.04.14.5
upper montane4.42.926.98.719.56.17.02.6
lower montane-2.13.518.35.90.14.7-0.92.8
colline/submontane6.43.9..-4.28.03.83.5
total2.71.820.36.32.73.63.21.6
Eastern Juraupper subalpine........
lower subalpine........
upper montane36.421.1....36.421.1
lower montane1.84.1..-7.910.7-0.24.0
colline/submontane-1.53.9..4.17.7-1.23.7
total-0.33.1..-3.17.4-0.62.9
Western Plateauupper subalpine........
lower subalpine5.17.2....5.17.2
upper montane14.17.0..196.1.14.67.0
lower montane-3.76.4..28.110.2-0.66.0
colline/submontane-0.36.1..-11.813.2-1.45.7
total-1.13.9..9.19.3-0.13.7
Central Plateauupper subalpine........
lower subalpine........
upper montane-20.73.6..-8.513.5-14.57.2
lower montane-5.34.8..7.15.2-3.54.2
colline/submontane-9.03.8..-16.99.9-10.13.5
total-7.72.9..-7.76.5-7.72.6
Eastern Plateauupper subalpine........
lower subalpine........
upper montane-1.79.8..-15.4.-3.38.8
lower montane-2.24.2..-0.116.0-2.14.0
colline/submontane-1.72.3..1.78.3-1.62.2
total-1.81.9..0.67.3-1.71.9
Western Pre-Alpsupper subalpine....59.20.059.20.0
lower subalpine15.29.011.013.84.77.59.75.4
upper montane-6.913.5-1.517.64.17.0-0.56.6
lower montane-5.18.015.00.017.36.54.65.7
colline/submontane14.00.085.518.517.11.820.03.1
total0.77.74.812.57.04.44.34.0
Central Pre-Alpsupper subalpine35.521.650.30.016.40.031.810.6
lower subalpine3.110.18.520.75.96.24.66.3
upper montane-4.33.914.87.50.44.4-1.02.8
lower montane3.54.811.915.21.14.42.53.2
colline/submontane3.57.0..-11.49.2-4.26.0
total0.53.013.27.80.32.71.02.0
Eastern Pre-Alpsupper subalpine........
lower subalpine15.46.915.61.11.08.610.15.3
upper montane7.95.95.13.2-6.75.7-0.24.1
lower montane-3.27.56.57.62.47.3-0.15.0
colline/submontane0.86.7..-9.85.5-5.94.3
total4.03.87.64.1-3.73.50.32.5
Northwestern Alpsupper subalpine27.93.119.80.011.71.424.32.8
lower subalpine10.15.028.86.97.711.411.75.7
upper montane15.94.3-9.39.610.24.94.94.3
lower montane-25.98.459.83.811.15.8-2.46.6
colline/submontane-6.49.6..-7.610.7-7.07.2
total4.23.75.87.47.45.35.93.0
Central Alpsupper subalpine12.20.011.7...12.00.2
lower subalpine22.26.34.57.115.015.214.94.7
upper montane2.310.319.68.035.024.118.28.8
lower montane12.110.224.96.212.38.013.36.1
colline/submontane5.213.9..3.822.64.414.7
total12.15.113.94.817.29.714.24.0
Northeastern Alpsupper subalpine....40.90.040.90.0
lower subalpine19.87.815.28.012.65.217.14.6
upper montane-4.913.023.16.5-1.06.64.05.8
lower montane-45.219.4-5.47.5-0.77.0-13.49.0
colline/submontane30.722.9..11.07.815.98.8
total-6.010.410.94.41.94.11.14.4
Southwestern Alpsupper subalpine14.46.46.26.311.65.310.93.5
lower subalpine4.010.76.52.27.73.06.72.4
upper montane7.46.412.04.312.64.511.52.9
lower montane18.212.9..-4.45.10.34.9
colline/submontane9.79.744.820.5-1.77.94.76.3
total8.55.28.72.07.22.07.91.5
Southeastern Alpsupper subalpine8.13.93.63.922.418.414.59.2
lower subalpine13.64.24.76.34.83.78.02.6
upper montane7.35.13.89.311.94.39.03.2
lower montane-12.310.212.37.77.27.6-2.66.5
colline/submontane-8.27.4..12.713.1-1.06.8
total5.62.94.74.410.03.57.52.1
Southern Alpsupper subalpine16.45.026.67.616.17.217.94.2
lower subalpine20.66.311.66.311.44.613.03.4
upper montane18.16.83.34.211.74.210.43.1
lower montane26.914.8..9.67.110.96.7
colline/submontane14.36.4..10.73.111.52.8
total17.63.28.43.311.22.311.81.8
Switzerlandupper subalpine12.62.810.43.617.78.314.74.3
lower subalpine10.52.48.92.36.92.28.71.4
upper montane3.12.07.52.96.21.95.11.3
lower montane-3.01.89.63.84.02.0-0.21.4
colline/submontane-1.51.555.819.0-0.82.3-1.31.2
total0.80.98.71.75.11.13.00.6
© WSL, Swiss National Forest Inventory, 19.06.2020 #842513/308844
NFI2NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: economic region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1993/952009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionaltitudinal vegetation zone %± %± %± %±
Western Juraupper subalpine........
lower subalpine11.06.1-13.348.813.54.410.45.8
upper montane9.93.733.513.918.410.412.03.4
lower montane0.34.422.410.41.76.01.33.5
colline/submontane-2.95.3..0.99.6-2.14.6
total4.12.325.99.74.64.54.82.0
Eastern Juraupper subalpine........
lower subalpine........
upper montane-1.90.0....-1.90.0
lower montane14.47.7..-1.411.411.06.5
colline/submontane-6.44.5..-13.012.9-6.84.3
total-1.73.8..-6.88.7-2.23.5
Western Plateauupper subalpine........
lower subalpine-2.910.3....-2.910.3
upper montane54.648.0..-92.8.37.043.3
lower montane-21.36.7..21.017.6-17.66.4
colline/submontane1.28.1..-21.713.3-1.57.2
total-9.64.6..-3.811.5-9.04.2
Central Plateauupper subalpine........
lower subalpine........
upper montane-41.024.6..3.015.2-23.218.4
lower montane-15.85.7..-10.010.3-14.95.0
colline/submontane-18.44.1..-11.211.3-17.53.8
total-17.73.0..-10.07.4-16.72.7
Eastern Plateauupper subalpine........
lower subalpine........
upper montane-32.721.6..8.50.0-29.920.6
lower montane2.46.8..23.328.03.46.6
colline/submontane-10.63.0..-1.715.2-10.22.9
total-8.12.6..4.413.0-7.52.6
Western Pre-Alpsupper subalpine........
lower subalpine-2.812.716.814.4-3.915.7-1.89.4
upper montane-14.915.4-20.518.512.59.4-2.97.9
lower montane-14.716.743.6.2.025.7-6.013.9
colline/submontane75.60.0-8.673.06.015.29.316.0
total-10.18.8-9.214.45.67.3-2.45.0
Central Pre-Alpsupper subalpine26.79.5-20.6.30.9.9.514.2
lower subalpine-2.010.819.525.02.39.71.47.1
upper montane-15.06.4-4.815.22.25.9-7.44.2
lower montane-0.67.18.112.5-0.76.7-0.54.7
colline/submontane9.210.3..-16.49.5-4.87.0
total-5.94.02.211.0-0.93.7-3.32.5
Eastern Pre-Alpsupper subalpine........
lower subalpine16.96.327.410.28.315.114.26.8
upper montane6.110.72.06.0-5.07.70.16.1
lower montane9.19.5-13.121.47.310.56.66.8
colline/submontane-4.012.0..-10.29.7-7.97.5
total7.45.4-2.613.6-1.05.02.73.5
Northwestern Alpsupper subalpine28.8.50.60.033.219.032.55.1
lower subalpine16.310.033.319.56.414.513.98.6
upper montane17.026.5-12.112.08.012.92.88.9
lower montane-8.913.8-44.028.532.88.87.410.3
colline/submontane-2.522.6..14.417.25.415.1
total10.78.8-1.310.411.78.08.65.1
Central Alpsupper subalpine36.60.043.10.0..40.12.3
lower subalpine53.314.715.56.8-3.715.527.88.5
upper montane-1.822.217.417.651.130.419.314.1
lower montane35.113.14.61.810.711.221.08.0
colline/submontane49.82.8..59.424.456.216.0
total30.211.516.19.628.411.425.76.4
Northeastern Alpsupper subalpine....23.90.023.90.0
lower subalpine12.110.743.221.111.216.017.18.3
upper montane10.315.642.617.820.710.024.18.2
lower montane-15.614.82.78.4-6.210.8-6.07.3
colline/submontane-24.40.0..21.717.010.115.9
total4.47.427.08.86.16.810.14.4
Southwestern Alpsupper subalpine24.612.131.614.227.47.927.86.1
lower subalpine17.715.316.15.021.95.219.13.8
upper montane25.212.518.08.121.411.920.56.6
lower montane8.516.7..14.19.112.78.1
colline/submontane21.327.5117.450.76.013.015.712.3
total19.77.919.24.220.43.919.92.8
Southeastern Alpsupper subalpine20.36.628.57.842.818.932.410.0
lower subalpine16.26.717.79.98.65.612.94.0
upper montane26.47.94.89.87.27.712.45.1
lower montane6.112.814.820.620.59.512.58.0
colline/submontane-25.19.7..37.720.6-8.610.2
total13.34.114.26.214.64.614.02.8
Southern Alpsupper subalpine65.512.162.915.341.98.851.67.1
lower subalpine50.811.225.211.825.67.229.15.6
upper montane31.624.811.97.729.86.925.65.4
lower montane25.810.3..42.36.640.96.1
colline/submontane27.212.0..23.05.023.84.6
total36.77.920.76.429.93.129.62.7
Switzerlandupper subalpine27.75.534.77.837.09.133.75.2
lower subalpine12.63.219.94.011.03.513.22.1
upper montane3.33.26.94.311.22.97.11.9
lower montane-3.72.40.18.28.53.00.51.8
colline/submontane-8.41.950.563.93.93.2-5.71.6
total-1.71.212.72.710.21.63.50.9
© WSL, Swiss National Forest Inventory, 19.06.2020 #842514/308845
NFI1NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1983/852009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectaltitudinal vegetation zone %± %± %± %± %± %±
n/aupper subalpine....65.611.728.77.4104.323.037.67.8
lower subalpine14.48.03.712.810.06.819.55.783.424.116.73.8
upper montane24.55.7-8.519.7-4.26.231.38.953.629.212.33.9
lower montane14.14.9-6.74.415.27.220.510.342.926.45.32.9
colline/submontane4.14.4-5.82.913.49.67.213.035.116.8-1.52.3
total13.12.6-6.12.26.13.722.13.854.911.55.91.4
inside perimeterupper subalpine....-5.7.34.811.953.711.437.09.7
lower subalpine-1.440.1..18.314.724.07.047.816.825.06.0
upper montane52.114.9..-3.211.615.37.027.410.015.15.2
lower montane42.917.6..-2.316.1-2.510.6..4.18.7
colline/submontane....76.0125.0214.4113.7..150.790.1
total44.711.0..2.58.019.64.436.27.919.33.5
outside perimeterupper subalpine....104.50.048.812.769.412.252.810.6
lower subalpine16.810.8..3.79.014.35.146.010.314.74.2
upper montane33.310.5-12.233.714.75.418.26.659.211.622.93.8
lower montane14.97.025.412.715.37.020.76.781.712.423.53.9
colline/submontane9.78.8-0.59.1-6.68.134.311.567.17.918.64.4
total16.24.98.77.39.93.520.83.363.85.321.62.0
totalupper subalpine....45.426.639.77.273.49.345.16.2
lower subalpine14.27.53.712.88.05.218.23.351.58.417.32.5
upper montane26.85.0-9.117.34.23.920.54.250.78.317.02.4
lower montane14.94.0-3.84.214.44.817.85.278.111.611.22.3
colline/submontane4.94.0-5.42.80.96.423.18.959.57.52.92.1
total14.32.3-4.92.07.62.320.92.158.64.312.31.1
© WSL, Swiss National Forest Inventory, 19.06.2020 #842515/308846
NFI2NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1993/952009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectaltitudinal vegetation zone %± %± %± %± %± %±
n/aupper subalpine....27.29.622.05.565.512.127.55.6
lower subalpine11.16.2-3.610.23.06.418.84.750.811.212.83.2
upper montane9.93.7-6.820.0-9.15.318.67.931.624.83.23.1
lower montane3.03.9-12.23.8-0.15.45.37.125.810.3-4.22.4
colline/submontane-5.33.6-11.52.43.38.2-7.19.327.212.0-8.51.9
total2.42.0-11.61.8-2.73.014.33.136.77.9-1.91.2
inside perimeterupper subalpine....-20.60.031.38.362.915.334.87.7
lower subalpine-14.848.5..19.612.919.64.525.211.819.74.0
upper montane33.513.8..-10.610.59.05.511.97.76.74.3
lower montane22.210.5..-3.016.4-3.49.8..0.98.0
colline/submontane....-2.079.7114.648.6..55.063.2
total25.79.7..-2.57.514.63.220.76.412.72.7
outside perimeterupper subalpine....30.90.036.211.141.98.837.19.1
lower subalpine13.54.4..2.07.712.14.225.67.211.13.4
upper montane18.810.3-18.520.62.44.314.45.429.86.911.43.0
lower montane1.25.44.98.52.45.611.85.042.36.68.62.9
colline/submontane-2.57.9-10.37.8-10.06.423.08.323.05.03.83.2
total3.04.1-4.75.60.62.815.72.729.93.110.31.5
totalupper subalpine....10.214.230.76.151.67.133.75.2
lower subalpine10.55.9-3.610.23.94.616.02.629.15.613.32.1
upper montane12.03.4-8.916.7-4.03.213.93.525.65.47.11.9
lower montane2.93.1-10.53.50.93.87.83.840.96.10.31.8
colline/submontane-4.93.3-11.42.2-5.05.19.46.623.84.6-5.71.6
total3.01.8-11.01.7-1.21.915.01.729.62.73.40.9
© WSL, Swiss National Forest Inventory, 19.06.2020 #842516/308847
NFI3NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectaltitudinal vegetation zone %± %± %± %± %± %±
n/aupper subalpine....33.519.811.03.216.45.012.42.8
lower subalpine4.24.74.68.19.85.813.02.920.66.310.72.4
upper montane4.62.93.46.4-1.43.96.63.718.16.83.02.0
lower montane-1.32.9-4.32.9-0.34.0-14.97.326.914.8-3.51.9
colline/submontane1.82.8-3.71.92.54.8-2.15.114.36.4-1.61.5
total1.91.6-3.71.61.62.45.02.217.63.20.70.9
inside perimeterupper subalpine....50.3.5.53.726.67.610.43.5
lower subalpine-19.033.5..10.711.18.52.411.66.38.82.3
upper montane27.08.6..6.48.46.63.83.34.27.32.9
lower montane18.25.9..9.06.26.86.1..9.53.8
colline/submontane....83.917.343.819.8..54.718.6
total20.36.4..9.05.47.62.08.43.38.51.7
outside perimeterupper subalpine....32.914.318.010.516.17.217.98.3
lower subalpine16.33.0..4.14.26.72.811.44.66.72.1
upper montane19.76.2-9.59.8-1.13.211.62.811.74.26.31.9
lower montane-0.94.311.15.02.83.74.23.09.67.14.02.0
colline/submontane-2.76.7-9.86.2-6.94.62.15.910.73.1-0.62.3
total2.03.3-1.84.30.21.98.41.811.22.35.11.1
totalupper subalpine....36.410.313.55.417.94.214.84.3
lower subalpine4.24.54.68.17.63.59.21.713.03.48.71.4
upper montane7.22.61.15.8-0.72.48.82.010.43.15.01.3
lower montane-0.72.4-2.72.71.52.6-2.93.610.96.7-0.51.4
colline/submontane1.12.6-4.21.8-2.93.40.83.911.52.8-1.31.2
total2.31.4-3.51.51.31.57.11.211.81.82.90.7
© WSL, Swiss National Forest Inventory, 19.06.2020 #842517/308848
NFI3NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectaltitudinal vegetation zone %± %± %± %± %± %±
n/aupper subalpine....33.519.88.92.815.25.410.32.5
lower subalpine4.34.94.68.16.95.910.73.015.96.38.52.4
upper montane5.62.43.46.41.73.23.63.718.87.63.91.7
lower montane-1.23.0-3.52.9-0.94.1-14.07.710.98.1-3.21.9
colline/submontane0.72.8-4.01.92.54.8-4.35.210.36.4-2.31.5
total1.71.5-3.71.52.02.23.02.313.73.40.20.9
inside perimeterupper subalpine....50.3.5.53.925.67.510.23.6
lower subalpine-19.033.5..10.711.18.72.511.36.68.92.4
upper montane27.08.6..6.38.48.03.83.24.38.12.9
lower montane18.25.9..9.06.26.16.4..9.33.9
colline/submontane....83.917.343.819.8..54.718.6
total20.36.4..9.05.48.21.98.13.48.91.7
outside perimeterupper subalpine....16.40.018.911.114.98.118.18.9
lower subalpine16.33.0..3.74.25.72.99.64.95.82.2
upper montane18.06.1-9.59.8-2.23.311.32.99.94.35.32.0
lower montane-0.94.311.15.02.53.83.33.18.57.33.52.0
colline/submontane-2.96.7-9.86.2-6.94.65.65.110.23.1-0.32.3
total1.63.3-1.84.3-0.52.08.11.99.92.34.51.1
totalupper subalpine....30.710.013.35.717.14.914.24.7
lower subalpine4.24.74.68.15.93.58.01.711.03.57.41.4
upper montane8.02.21.15.80.12.28.32.09.13.25.11.2
lower montane-0.72.4-2.02.71.12.7-3.13.78.76.8-0.51.4
colline/submontane0.22.6-4.51.8-2.93.41.93.710.22.8-1.71.2
total2.21.4-3.51.41.21.46.51.210.21.82.50.6
© WSL, Swiss National Forest Inventory, 19.06.2020 #842518/308849
NFI2NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: canton
unit: 1000 m³/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1993/952009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonaltitudinal vegetation zone1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %
AGupper subalpine........
lower subalpine........
upper montane........
lower montane4375....4375
colline/submontane-6753....-6753
total-6458....-6458
AIupper subalpine........
lower subalpine1157476-1100396
upper montane10380100-61125161
lower montane778..7521444
colline/submontane....271271
total183447033112442
ARupper subalpine........
lower subalpine........
upper montane3430-01005533926
lower montane-13134..15872894
colline/submontane-683..658-1594
total13157-010026503958
BEupper subalpine194-010431731100
lower subalpine45615205-310255706
upper montane-3585-1711713192-39109
lower montane-7451-416717148-5976
colline/submontane-13231-2100-2576-15928
total-23528-2012031656-24933
BL/BSupper subalpine........
lower subalpine........
upper montane-0100....-0100
lower montane1197..-22169137
colline/submontane-3253..1617-3257
total-2192..-2499-2392
FRupper subalpine........
lower subalpine-10133-18009302-11175
upper montane-2992-81002954-8405
lower montane-427611003437-3791
colline/submontane-231052100-283-23106
total-10542-41913083-8060
GEupper subalpine........
lower subalpine........
upper montane........
lower montane........
colline/submontane-3409....-3409
total-3409....-3409
GLupper subalpine........
lower subalpine10635601701643
upper montane-02316912538612146
lower montane15363147-15692499
colline/submontane....21212121
total12872040101014238
GRupper subalpine27291729594210326
lower subalpine55362748395212226
upper montane51258127525111227
lower montane7206213329303844
colline/submontane-2052..2038-03857
total1212556321982137614
JUupper subalpine........
lower subalpine........
upper montane-245256585210108
lower montane82141243-53494530
colline/submontane-10168..05169-9210
total-474256445216548
LUupper subalpine........
lower subalpine22572100-1275-5200
upper montane-47571977117-4071
lower montane-13193..856-5490
colline/submontane-2180..-1516-2280
total-78504802620-7256
NEupper subalpine........
lower subalpine568..0100663
upper montane443501163-21134238
lower montane-62214726584325
colline/submontane3138..-3100015207
total474449114465341
NWupper subalpine........
lower subalpine1243-1104-2230894
upper montane-1100-10113-1480-1199
lower montane4325-0100-4112-11254
colline/submontane1100..-680-693
total1586-10102-1466-10194
OWupper subalpine0100..1100186
lower subalpine7178224312392067
upper montane-11119-110356227-5399
lower montane1349-0100-91114293
colline/submontane2142..010933207
total1117215921017423112
SGupper subalpine....01000100
lower subalpine15635849903045
upper montane3577847820420125
lower montane-11923-101347293-4755
colline/submontane-2856..-1997-4751
total-1326243776549-31810
SHupper subalpine........
lower subalpine........
upper montane........
lower montane1458..21001652
colline/submontane3337..-31003041
total4730..-16794631
SOupper subalpine........
lower subalpine164....164
upper montane5139..08175137
lower montane-141271100-2256-15124
colline/submontane-11215..386-8315
total-1915611001438-16185
SZupper subalpine........
lower subalpine1746-19261692157
upper montane-17108754-11178-22122
lower montane3038-0100-91442276
colline/submontane768..5671249
total3959488-102533596
TGupper subalpine........
lower subalpine........
upper montane....01000100
lower montane1966..3712258
colline/submontane-6148..3284-5852
total-4273..6146-3688
TIupper subalpine65328713352028
lower subalpine1235106233305523
upper montane325397367247824
lower montane547..71177616
colline/submontane2140..69229019
total46272144253103199
URupper subalpine01001100..173
lower subalpine943847-012371737
upper montane689322913131192
lower montane2730815105773
colline/submontane3100..9591250
total2036126916574827
VDupper subalpine2100....2100
lower subalpine3244154515736330
upper montane5337108315747730
lower montane-824211001263-6952
colline/submontane3163..-23662975
total351282740404810348
VSupper subalpine1043134726304822
lower subalpine15803833642411819
upper montane1148244431516530
lower montane2185..10671263
colline/submontane412046632121174
total413779221341825413
ZGupper subalpine........
lower subalpine....-3100-3100
upper montane-10101-1100-2232-1288
lower montane4100..462859
colline/submontane-5109..1130-4157
total-11103-110001562-12108
ZHupper subalpine........
lower subalpine........
upper montane-04998..31003169
lower montane-2598..-1277-2693
colline/submontane-4774..-1464-6259
total-7255..-1379-8648
Switzerlandupper subalpine452133251002717717
lower subalpine18523120201603046415
upper montane709653612342435626
lower montane-14460-120061633119537
colline/submontane-3552641034883-30333
total-18876210217071473224
© WSL, Swiss National Forest Inventory, 19.06.2020 #842519/308850
NFI1NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: protection forest region
unit: 1000 m³/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1983/852009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectaltitudinal vegetation zone1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %
n/aupper subalpine..2640100937153412393820
lower subalpine21544540206681193841173014821
upper montane10226-152171712710503924115016729
lower montane862932785136654812145710855
colline/submontane-907017651462-2149-61101741-49132
total4418282551033131409423601941424
inside perimeterupper subalpine..-190110012385677402328
lower subalpine-024326214712643737138815359723
upper montane1435-1114214782731116518407433
lower montane751-6661785..2155..3305
colline/submontane..1140..468....562
total21304539285680203047402320217
outside perimeterupper subalpine..36201002524374620288523
lower subalpine189201314297562214126432113827
upper montane1745922629763138101691051728215
lower montane55335738277816381340801624715
colline/submontane9171-2697-12115114410441061113321
total823117024595913913843635478858
totalupper subalpine..46417246175732382014615
lower subalpine225186383653101206540741538214
upper montane1332167636154682260331341452213
lower montane70758240793622312249851635820
colline/submontane-8080171001412512524195123118881
total1475625623191252491020818454614998
© WSL, Swiss National Forest Inventory, 19.06.2020 #842520/308851
NFI3NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: canton
unit: 1000 m³/yr
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonaltitudinal vegetation zone1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %
AGupper subalpine........
lower subalpine........
upper montane........
lower montane2369....2369
colline/submontane-25255....-25255
total-32254....-32254
AIupper subalpine........
lower subalpine0587571-31002277
upper montane11482100-4067-21121
lower montane2193..11501449
colline/submontane....-02797-02797
total1453759-2594-5509
ARupper subalpine........
lower subalpine........
upper montane394221009534932
lower montane-6578..18137-50116
colline/submontane-271..7733157
total-3814921003470-19780
BEupper subalpine364379172846
lower subalpine401342854648813062
upper montane-45150-123614990-61446
lower montane-787715594289-15455
colline/submontane-130522100-8751-21538
total-215583613066135-116138
BL/BSupper subalpine........
lower subalpine........
upper montane878....878
lower montane9107..-10125-2669
colline/submontane-26102..1695-26106
total-12247..-10143-22148
FRupper subalpine....91009100
lower subalpine358358192365073
upper montane2116039851587460
lower montane34105210026546065
colline/submontane-313883100147413331
total84801347914418442
GEupper subalpine........
lower subalpine........
upper montane........
lower montane........
colline/submontane-7220....-7220
total-7220....-7220
GLupper subalpine........
lower subalpine224241453573036
upper montane-221201346-5220-8311
lower montane-54116-2387-2553-50111
colline/submontane....294294
total-371501765-21092-21274
GRupper subalpine323614441006814647
lower subalpine1203018128675620328
upper montane445892931094116435
lower montane-41936803560-14275
colline/submontane-13104..266312171
total1444247773362752722
JUupper subalpine........
lower subalpine........
upper montane-25105660952-11260
lower montane-31189374-12105-15773
colline/submontane3661..-1714019169
total412011047-941961051
LUupper subalpine........
lower subalpine-24194100-1767-12125
upper montane-7349-2708163-6758
lower montane14295..119525168
colline/submontane-35105..4172-30121
total-937151236319-8284
NEupper subalpine........
lower subalpine1451..11001547
upper montane6541-1283-71195848
lower montane-4450582-4164-3605
colline/submontane1469..-41007148
total88394148-15797847
NWupper subalpine........
lower subalpine2035-04563782231
upper montane01004754116965
lower montane-357921001149-022065
colline/submontane-1100..12430549
total161136619623160
OWupper subalpine1100..1100271
lower subalpine2462243010903753
upper montane3501461928916185
lower montane1974-41006942270
colline/submontane487..-15552224
total50484264251157948
SGupper subalpine....11001100
lower subalpine414767210865937
upper montane21621347142284874
lower montane-6555323518173-41118
colline/submontane-1697..-3359-4851
total-2220222461241114494
SHupper subalpine........
lower subalpine........
upper montane........
lower montane-11121..210013194
colline/submontane4051..11004150
total3966..4704361
SOupper subalpine........
lower subalpine1124....1124
upper montane980..-11267100
lower montane-211392100-5137-25123
colline/submontane19171..96627117
total85652100244312376
SZupper subalpine........
lower subalpine2836-39243172855
upper montane2042768-231243849
lower montane3135-01211-1220021119
colline/submontane756..-13138-3515
total87192413-421005189
TGupper subalpine........
lower subalpine........
upper montane....-2100-2100
lower montane3734..-319413315
colline/submontane-25156..-2499-27149
total-22197..-6210-28163
TIupper subalpine95755910902544
lower subalpine2531215440518529
upper montane15461181912711623
lower montane1749..51846766
colline/submontane3447..903012525
total992236402832141715
URupper subalpine01001100..172
lower subalpine145211878883340
upper montane11461652-71672362
lower montane38347410701645
colline/submontane-01729..17441761
total2839313929568824
VDupper subalpine683....683
lower subalpine18156176382914185
upper montane673421811910410631
lower montane-996131002844-7485
colline/submontane7618..115918578
total-613774149556077121
VSupper subalpine1943910335476233
lower subalpine132594935714013235
upper montane11834738623711925
lower montane1172..-1111811431
colline/submontane7101669-347311131
total6158111241532832319
ZGupper subalpine........
lower subalpine....0.0.
upper montane-18102-1100-790-2575
lower montane5213..710512119
colline/submontane-4170..289-2416
total-16131-1100-07474-18136
ZHupper subalpine........
lower subalpine........
upper montane2194..8100798
lower montane-29138..-2231-32125
colline/submontane-20245..-9146-30173
total-46136..-9178-55117
Switzerlandupper subalpine722232361554725729
lower subalpine40621163252773084415
upper montane16265147393413064225
lower montane-27656404220045-45399
colline/submontane-1461011151-19379-157105
total2021253931994820149522
© WSL, Swiss National Forest Inventory, 19.06.2020 #842521/308852
NFI3NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: protection forest region
unit: 1000 m³/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectaltitudinal vegetation zone1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %
n/aupper subalpine..56501001733155810485025
lower subalpine25102561079819124759237204229127
upper montane1034295943710923792693194420142
lower montane-13385-18282-7893984-3998672-25359
colline/submontane-22861-547291466103-17752261-21367
total-22481492016812436958073772566358
inside perimeterupper subalpine..37901001095216115413038
lower subalpine-319354422447473715149195815627
upper montane2743-678153254638201031013816334
lower montane134916563429..683..3744
colline/submontane..674..669....1151
total383880648025110244374434339818
outside perimeterupper subalpine..269110034478084255814451
lower subalpine472669916111674131121464922737
upper montane344459103-3516052398635994229135
lower montane31128478625198-1111613150557815956
colline/submontane-6170-22150-13197-434713969831-61252
total694215466-6140013930222383222281223
totalupper subalpine..104426661329870493222333
lower subalpine269917751139201144013740843167318
upper montane16529631475812110028133321273564922
lower montane-8813746140-53169-11283-212026171-64272
colline/submontane-29150-21189-215029154-631512027-21276
total-1771082795314582281213463144217122725
© WSL, Swiss National Forest Inventory, 19.06.2020 #842522/308853
NFI2NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: protection forest region
unit: 1000 m³/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1993/952009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectaltitudinal vegetation zone1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %
n/aupper subalpine..27201001043193213424521
lower subalpine235919150542615804941192917724
upper montane7048-8555241301148432811697688
lower montane-16344-25129328221857206547-14459
colline/submontane-4072210143112224120-20522139-38923
total-47224-768411139413799297020-22363
inside perimeterupper subalpine..-010421100134783611423325
lower subalpine-13822649203538332356154512220
upper montane1544-327729432444520114665658
lower montane758-4182-5252..2134..-04859
colline/submontane..010769..466....4100
total2240-8360464179223843393121521
outside perimeterupper subalpine..264010026305049223010027
lower subalpine276132721112064243264422716429
upper montane1473506621138315122102992123724
lower montane13190181641915610671744821615832
colline/submontane-3081-10152210443212115476205079
total-22034737954891341813230321971214
totalupper subalpine..45815948227833462117817
lower subalpine2459607986231181910430751946315
upper montane10035-65947558653070381241936825
lower montane-14353-11385469012632661871515669
colline/submontane-437210987237971174-91299718-33529
total-45226-11831212312541326919430870825
© WSL, Swiss National Forest Inventory, 19.06.2020 #842523/308854
NFI3NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: canton
unit: 1000 m³/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
cantonaltitudinal vegetation zone1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %
AGupper subalpine........
lower subalpine........
upper montane........
lower montane2369....2369
colline/submontane-34187....-34187
total-12557....-12557
AIupper subalpine........
lower subalpine0587571-31002277
upper montane12452100-4067-19126
lower montane2193..11501449
colline/submontane....-02797-02797
total1449759-2594-4610
ARupper subalpine........
lower subalpine........
upper montane394221009534932
lower montane-6578..18137-50116
colline/submontane-271..7733157
total-3814921003470-19780
BEupper subalpine174379172553
lower subalpine5986265663909284
upper montane13263-104443711642162
lower montane-787715594092-16422
colline/submontane-128542100-8751-21338
total-190583812452173-103143
BL/BSupper subalpine........
lower subalpine........
upper montane2100....2100
lower montane1180..-10125-029414
colline/submontane-2897..-02253-2898
total-15184..-11131-26120
FRupper subalpine........
lower subalpine348458163424678
upper montane1521039844656270
lower montane29124210026545471
colline/submontane-578231001474-14034
total71951347775015749
GEupper subalpine........
lower subalpine........
upper montane........
lower montane........
colline/submontane-7197....-7197
total-7197....-7197
GLupper subalpine........
lower subalpine22437632653233
upper montane-251031346-5220-11231
lower montane-54116-2387-2553-50111
colline/submontane....294294
total-411372053-2816-22264
GRupper subalpine20461348947012753
lower subalpine983516141458415835
upper montane3670201161054216234
lower montane-38996862583-10453
colline/submontane-1680..27629225
total1015854622963145125
JUupper subalpine........
lower subalpine........
upper montane-62806609529178
lower montane-31189374-12105-15773
colline/submontane3465..-1714017190
total241771047-941926218
LUupper subalpine........
lower subalpine0102864100-1867-10153
upper montane-6356-2708163-5667
lower montane14295..119525168
colline/submontane-35105..4172-30121
total-818151237319-6999
NEupper subalpine........
lower subalpine1159..11001253
upper montane6041-1283-71195449
lower montane-4450582-4164-3605
colline/submontane1469..-41007148
total81414148-15797150
NWupper subalpine........
lower subalpine1544-04563781737
upper montane01004754116965
lower montane-357921000281-03128
colline/submontane-1100..12430549
total121536619652669
OWupper subalpine1100..1100271
lower subalpine12109243010952476
upper montane3501461928916185
lower montane1974-41006942270
colline/submontane487..-15552224
total38614264251176656
SGupper subalpine....11001100
lower subalpine333367271244731
upper montane15811347-03026728124
lower montane-5663323513231-37127
colline/submontane-1883..-3359-5048
total-311332246-10494-18372
SHupper subalpine........
lower subalpine........
upper montane........
lower montane-11121..210013194
colline/submontane4051..11004150
total3966..4704361
SOupper subalpine........
lower subalpine186....186
upper montane980..-11267100
lower montane-221372100-5137-25122
colline/submontane15210..96624134
total41042210024438534
SZupper subalpine........
lower subalpine2737-39243172757
upper montane2139768-3094-21411
lower montane3135-3100-1516217148
colline/submontane756..41651163
total8619-01394-381055477
TGupper subalpine........
lower subalpine........
upper montane....-2100-2100
lower montane3734..-319413315
colline/submontane-27137..-2499-30132
total-24173..-6210-30147
TIupper subalpine57347081201758
lower subalpine1342205831646337
upper montane856108572348929
lower montane673..45945284
colline/submontane2262..853210828
total553133432412532919
URupper subalpine01001100..172
lower subalpine1255118761122944
upper montane9511652-43672455
lower montane29447410711647
colline/submontane7100..17442340
total2833313933509122
VDupper subalpine4100....4100
lower subalpine16176176363683892
upper montane55382083171139234
lower montane-737731002844-47124
colline/submontane-13339..11591-12377
total-136134049526367130
VSupper subalpine1733109534476132
lower subalpine125064737674111440
upper montane23794638523910028
lower montane984..-11116-11283
colline/submontane6103669-43479154
total3695110241393028121
ZGupper subalpine........
lower subalpine....0.0.
upper montane-18102-1100-790-2575
lower montane-1722..71054282
colline/submontane-4170..289-2416
total-2291-1100-07474-2597
ZHupper subalpine........
lower subalpine........
upper montane2194..8100798
lower montane-23169..-2231-26150
colline/submontane-20245..-9146-30173
total-41154..-9178-50129
Switzerlandupper subalpine502530371425022233
lower subalpine29827159262303668618
upper montane19243158352723761723
lower montane-25060384417451-46387
colline/submontane-199731151-10734-20281
total812923971880723123725
© WSL, Swiss National Forest Inventory, 19.06.2020 #842524/308855
NFI3NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: protection forest region
unit: 1000 m³/yr
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtectaltitudinal vegetation zone1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %
n/aupper subalpine..95001001943244618367122
lower subalpine269911057109221325811331323140021
upper montane9060-49168469011833569254316566
lower montane-16272-26198-75981172-41921748-28054
colline/submontane-18775-0570681927101-13963446-15494
total-2238447248919662581205012319187134
inside perimeterupper subalpine..37901009103310716383236
lower subalpine-319355422156493517134205415927
upper montane2743-859554254738102371013015238
lower montane134916564265..778..3942
colline/submontane..674..669....1151
total383880658026111243794464039419
outside perimeterupper subalpine..666110035478184314815748
lower subalpine4727290218471404976603927531
upper montane39407383-18316623789351193535929
lower montane31128498233149-1111819101646718549
colline/submontane-6071-22150-30101-34731210010329-17440
total12503181568104915328249343771995320
totalupper subalpine..1935266623311064632625830
lower subalpine2796238391522113235178311112583215
upper montane1573617683838511925135341542966924
lower montane-11710540163-3922911431-172598155-64279
colline/submontane-24958-16243-2016311131-369113724-162100
total-1711153025418068323194072754614148622
© WSL, Swiss National Forest Inventory, 19.06.2020 #842525/308856
NFI1NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: production region
unit: 1000 m³/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1983/852009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectaltitudinal vegetation zone1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %
n/aupper subalpine....166262512393820
lower subalpine2053134127668228173014721
upper montane10822-5243-241527025115016230
lower montane7333-63676445304845710855
colline/submontane26105-10552166961771741-39161
total22819-17337845921416601941824
inside perimeterupper subalpine....-010016347402327
lower subalpine-02811..876752815359823
upper montane1435..-3361434318407233
lower montane751..-1723-1425..5209
colline/submontane....1143468..562
total2130..531413721402320217
outside perimeterupper subalpine....1100652920288623
lower subalpine189..92398434432113727
upper montane1834-1298793478341051727715
lower montane3145234962445031801624716
colline/submontane1089-11893-1412733311061113322
total61292183137343101535478808
totalupper subalpine....26610719382014715
lower subalpine22511341446324117741538114
upper montane14018-62005190191191341451113
lower montane11125-40111125327928851635920
colline/submontane3679-1065337154336123119871
total31015-15143226296619454614988
© WSL, Swiss National Forest Inventory, 19.06.2020 #842526/308857
NFI2NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: production region
unit: 1000 m³/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1993/952009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectaltitudinal vegetation zone1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %
n/aupper subalpine....181312513424521
lower subalpine2554-12951420612024192917724
upper montane7637-6307-8661693711697096
lower montane26129-19133-0965514131547-14657
colline/submontane-5870-343227242-111372139-38123
total7183-54117-64112223207020-22462
inside perimeterupper subalpine....-1100233011423325
lower subalpine-1344..12649523154512121
upper montane1544..-18104415914665262
lower montane759..-2561-3293..2877
colline/submontane....-04061466..4101
total2240..-830116021393121321
outside perimeterupper subalpine....11007934223010127
lower subalpine276..737911033422716130
upper montane1853-4125221759735992123325
lower montane54408170172344741821615833
colline/submontane-4326-2580-3569373576204883
total20133-201221447036916321970514
totalupper subalpine....113713221462117917
lower subalpine2654-12953411832416751945815
upper montane11027-10198-8182207231241935526
lower montane37106-18235143965848871515673
colline/submontane-6269-36821-2810530679718-32929
total11257-56017-5816675211430869725
© WSL, Swiss National Forest Inventory, 19.06.2020 #842527/308858
NFI2NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: economic region
unit: 1000 m³/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change1993/952009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionaltitudinal vegetation zone1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %
Western Juraupper subalpine........
lower subalpine2454-13822762554
upper montane75371544175410827
lower montane21273758536214258
colline/submontane-14185..11019-13226
total89552140269613540
Eastern Juraupper subalpine........
lower subalpine........
upper montane-0100....-0100
lower montane2753..-17912659
colline/submontane-3974..-6112-4566
total-14226..-6133-20160
Western Plateauupper subalpine........
lower subalpine-1359....-1359
upper montane1583..-410012112
lower montane-10436..1180-9440
colline/submontane4651..-1073-6481
total-8751..-4311-9050
Central Plateauupper subalpine........
lower subalpine........
upper montane-789..0496-697
lower montane-8739..-9109-9637
colline/submontane-16725..-13107-17924
total-26119..-2278-28118
Eastern Plateauupper subalpine........
lower subalpine........
upper montane-1590..0100-1592
lower montane13284..611419194
colline/submontane-18330..-1881-18531
total-18734..5290-18235
Western Pre-Alpsupper subalpine........
lower subalpine-4461388-5412-5537
upper montane-26116-15992870-14277
lower montane-12123210011249-8240
colline/submontane3100-090322475166
total-3993-916226126-23211
Central Pre-Alpsupper subalpine179-110011001145
lower subalpine-4536611934265502
upper montane-7345-43258263-6959
lower montane-212381144-3935-41013
colline/submontane9108..-1963-10151
total-69693484-9434-7580
Eastern Pre-Alpsupper subalpine........
lower subalpine213937371813148
upper montane171701287-1715816459
lower montane25101-61872013939100
colline/submontane-4306..-18103-22102
total5870-2529-951648127
Northwestern Alpsupper subalpine21001100172364
lower subalpine22551860122215258
upper montane13141-15106101559319
lower montane-4173-79821319132
colline/submontane-1920..61174272
total3377-281949657955
Central Alpsupper subalpine01001100..172
lower subalpine2429662-14413029
upper montane-11282109519572665
lower montane144108351011938
colline/submontane671..14462037
total4432175836379721
Northeastern Alpsupper subalpine....01000100
lower subalpine1091104931462349
upper montane5127193915494030
lower montane-61021318-8177-12124
colline/submontane-2100..4892157
total81673031151095342
Southwestern Alpsupper subalpine1043134726304822
lower subalpine15803833642411819
upper montane1148244431516530
lower montane2185..10671263
colline/submontane412046632121174
total413779221341825413
Southeastern Alpsupper subalpine193283650497833
lower subalpine49412356326410430
upper montane43285201221027038
lower montane7206213417442661
colline/submontane-2052..1154-9129
total992938431323026919
Southern Alpsupper subalpine1342114222304621
lower subalpine1929154542277519
upper montane11691466992112419
lower montane547..82168715
colline/submontane2139..76209718
total7020393132194308
Switzerlandupper subalpine452133251002717817
lower subalpine17524122201593145515
upper montane729554612302535526
lower montane-12766082601553429337
colline/submontane-3802341094980-32829
total-20368213216961570924
© WSL, Swiss National Forest Inventory, 19.06.2020 #842528/308859
NFI3NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: production region
unit: 1000 m³/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectaltitudinal vegetation zone1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %
n/aupper subalpine....263363210484925
lower subalpine221143170688218328204228928
upper montane98436195321933998194419643
lower montane-24249-11384-15477-10864672-25259
colline/submontane16398-2465011187-171262261-21466
total11586-3504310011113374772560391
inside perimeterupper subalpine....3100137215413037
lower subalpine-3185..1710012329195815627
upper montane2742..2413194461013815935
lower montane1349..127412107..3645
colline/submontane....574669..1151
total3838..615924724434339319
outside perimeterupper subalpine....110012060255814650
lower subalpine472..3311114349464922537
upper montane3838-4135-5015419825994228037
lower montane-84593945401523694557815957
colline/submontane-11238-4968-536929889831-11663
total23202-16242-28394527233222279724
totalupper subalpine....55117043493222533
lower subalpine2311131701195844821843166818
upper montane16328253252080330231273563123
lower montane-20355-7213437252-631246171-64273
colline/submontane41555-29842-351181819012027-21873
total17662-365421331209021844217120126
© WSL, Swiss National Forest Inventory, 19.06.2020 #842529/308860
NFI3NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: economic region
unit: 1000 m³/yr
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionaltitudinal vegetation zone1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %
Western Juraupper subalpine........
lower subalpine22113-319347223109
upper montane79652742413514837
lower montane-33170124914320-21314
colline/submontane6259..-131944991
total1316738383413120249
Eastern Juraupper subalpine........
lower subalpine........
upper montane880....880
lower montane9227..-9148-12312
colline/submontane-21258..3180-18309
total-6933..-6249-13478
Western Plateauupper subalpine........
lower subalpine4140....4140
upper montane1272..11001370
lower montane-34178..3139-61062
colline/submontane-22336..-10123-14397
total-21373..18100-32867
Central Plateauupper subalpine........
lower subalpine........
upper montane-879..-2193-980
lower montane-6096..1273-45126
colline/submontane-16346..-4366-20938
total-23040..-3588-26536
Eastern Plateauupper subalpine........
lower subalpine........
upper montane-1589..-2100-3265
lower montane-28189..-018155-28193
colline/submontane-60132..3491-57141
total-88106..11305-87109
Western Pre-Alpsupper subalpine....91009100
lower subalpine50606123191607655
upper montane-35211-3118631165-71390
lower montane-101602100244916122
colline/submontane310057319412734
total7114512253996111690
Central Pre-Alpsupper subalpine26431001100551
lower subalpine1432462331910439134
upper montane-4591245031096-20280
lower montane311365122941744129
colline/submontane8195..-2890-19149
total135753656697852190
Eastern Pre-Alpsupper subalpine........
lower subalpine434467328795050
upper montane4971387-5391-22478
lower montane-22242512416300-24340
colline/submontane2844..-3860-3476
total72931261-759812814
Northwestern Alpsupper subalpine96511001731155
lower subalpine464848344114513447
upper montane3930-3110934494585
lower montane-43518732554-10276
colline/submontane-8166..-11150-19112
total438430127927016450
Central Alpsupper subalpine01000100..171
lower subalpine323151648874631
upper montane2435254033696045
lower montane137156013643041
colline/submontane3267..35816332
total50373636585414426
Northeastern Alpsupper subalpine....11001100
lower subalpine3235106411385425
upper montane-82952633-265119140
lower montane-6176-6138-21077-6775
colline/submontane687..5621052
total-2818332431121316377
Southwestern Alpsupper subalpine1943910335476233
lower subalpine132584935714013235
upper montane11834738623711925
lower montane1172..-1111811431
colline/submontane7101669-347311131
total6258111241532832319
Southeastern Alpsupper subalpine24463107818411064
lower subalpine1133117134497617831
upper montane356910237893513534
lower montane-419277819101-17259
colline/submontane-1396..12100-3691
total1205037942493440727
Southern Alpsupper subalpine1836163831486326
lower subalpine32312054603911125
upper montane2543101301193515429
lower montane1748..64678155
colline/submontane3446..1032913724
total1231946403771954614
Switzerlandupper subalpine722232361564825830
lower subalpine39022161272773182715
upper montane17262152383473066324
lower montane-24362384218350-29607
colline/submontane-148971150-24308-16399
total2291073931993421150921
© WSL, Swiss National Forest Inventory, 19.06.2020 #842530/308861
NFI3NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: economic region
unit: 1000 m³/yr
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionaltitudinal vegetation zone1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %
Western Juraupper subalpine........
lower subalpine21117-319347222113
upper montane95442742363815928
lower montane-34168124914320-21309
colline/submontane5171..-1418437119
total1346138382815619947
Eastern Juraupper subalpine........
lower subalpine........
upper montane1100....1100
lower montane12175..-914821691
colline/submontane-33163..3180-30183
total-21279..-6249-27221
Western Plateauupper subalpine........
lower subalpine4140....4140
upper montane1272..11001370
lower montane-17331..313912493
colline/submontane-18303..-10123-29188
total-18411..18100027815
Central Plateauupper subalpine........
lower subalpine........
upper montane-879..-2193-980
lower montane-6096..1273-45126
colline/submontane-16146..-4366-20738
total-22840..-3588-26336
Eastern Plateauupper subalpine........
lower subalpine........
upper montane-1589..-2100-3265
lower montane-18283..-018155-18289
colline/submontane-64123..3491-61130
total-83111..11305-81115
Western Pre-Alpsupper subalpine........
lower subalpine50616123151967259
upper montane18207-39922222737186
lower montane-111432100244915131
colline/submontane310057319412734
total569011264827314955
Central Pre-Alpsupper subalpine26431001100551
lower subalpine-1046062331810914349
upper montane-341182450-13851-14399
lower montane271585122847139146
colline/submontane8195..-2890-19149
total-61297365604403527360
Eastern Pre-Alpsupper subalpine........
lower subalpine353667328794249
upper montane5068387-6573-13455
lower montane-26206512411430-10716
colline/submontane2844..-3860-3476
total611051261-9279-16605
Northwestern Alpsupper subalpine41001100173676
lower subalpine199546353815610360
upper montane3329-3011931523899
lower montane-316687323563989
colline/submontane-15104..-11150-2787
total1324631119857513062
Central Alpsupper subalpine01000100..171
lower subalpine3031516461144232
upper montane11084244035685746
lower montane127337410792647
colline/submontane771..21472838
total51343537713915321
Northeastern Alpsupper subalpine....11001100
lower subalpine323613467475326
upper montane-171262633-62437384
lower montane-6176-6138-2928-6774
colline/submontane1100..562656
total-4212234395533-22677
Southwestern Alpsupper subalpine1733109534476132
lower subalpine124754737674111440
upper montane23794638523910028
lower montane984..-11116-11283
colline/submontane6103669-43479154
total3695110241393028121
Southeastern Alpsupper subalpine1558216180849870
lower subalpine9237151493112113740
upper montane269320103863513332
lower montane-399868313150-21202
colline/submontane-1775..1396-6315
total807343742223834631
Southern Alpsupper subalpine1048154125584932
lower subalpine2042195846498431
upper montane194410138994212735
lower montane672..55786171
colline/submontane2261..983112027
total772543433222244217
Switzerlandupper subalpine502530381435122333
lower subalpine28428157272303766918
upper montane19942162342783763522
lower montane-21867364415758-32551
colline/submontane-206681150-14502-21474
total1002313961879224124225
© WSL, Swiss National Forest Inventory, 19.06.2020 #842531/308862
NFI2
volume
rockfall SilvaProtect · altitudinal vegetation zone
unit of reference: canton
unit: %
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Switzerland
rockfall SilvaProtectaltitudinal vegetation zone %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
n/aupper subalpine0.0.0.0.0.0.0.10.00.0.0.0.0.0.0.0.4.20.70.0.0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.1.10.40.50.50.40.42.90.70.0.0.0.0.80.1
lower subalpine0.0.5.63.60.0.5.60.90.0.8.52.10.0.20.55.614.31.50.0.5.71.45.41.716.96.624.04.86.61.60.0.1.81.013.52.70.0.2.20.610.63.616.91.66.71.40.0.0.0.7.30.4
upper montane0.0.14.56.225.26.712.01.31.41.412.62.80.0.11.25.98.31.210.32.526.13.551.54.45.53.415.45.311.02.30.0.7.11.819.64.10.0.1.70.612.63.716.81.94.51.024.27.82.21.211.20.5
lower montane10.82.416.78.828.17.717.51.623.55.129.03.70.0.8.94.15.21.025.03.832.73.522.43.914.97.08.54.215.42.631.36.830.93.814.14.016.94.31.80.62.21.826.72.31.70.512.75.728.73.216.90.6
colline/submontane86.72.50.0.4.83.617.81.455.15.718.32.9100.0.1.11.13.30.728.53.720.43.18.22.51.11.21.21.08.71.961.37.249.54.34.12.174.04.86.91.44.83.315.21.91.90.520.78.265.93.321.60.6
total97.50.936.810.058.17.553.01.979.94.468.43.4100.0.41.67.535.42.063.74.184.92.587.62.838.49.249.36.541.63.592.64.189.32.651.25.290.92.813.71.730.65.876.02.217.71.957.69.396.81.257.80.7
inside perimeterupper subalpine0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.10.0.0.0.0.00.0
lower subalpine0.0.0.0.0.0.0.20.10.0.0.0.0.0.0.0.0.80.40.0.0.0.0.0.0.0.0.80.80.0.0.0.0.0.0.20.20.0.0.70.75.73.60.20.22.60.90.0.0.0.0.50.1
upper montane0.0.0.0.0.0.0.80.40.0.0.0.0.0.0.60.61.70.50.0.0.0.0.0.0.20.20.0.0.60.40.0.0.30.31.91.90.0.1.40.78.14.60.0.1.60.70.0.0.0.0.70.1
lower montane0.0.0.0.0.0.0.90.30.0.0.0.0.0.13.34.90.60.31.11.00.0.0.0.1.91.90.0.1.60.90.0.1.31.01.41.30.0.1.40.66.23.20.10.10.70.40.0.0.0.0.80.1
colline/submontane0.0.0.0.0.0.0.60.20.70.70.0.0.0.0.0.0.20.12.21.20.0.1.31.31.92.00.0.0.90.70.0.2.31.40.70.70.0.3.40.91.31.20.30.20.90.40.0.0.0.0.70.1
total0.0.0.0.0.0.2.40.60.70.70.0.0.0.13.94.93.60.73.41.60.0.1.31.34.02.70.80.83.11.10.0.4.01.74.22.40.0.6.91.421.36.10.60.36.01.20.0.0.0.2.70.2
outside perimeterupper subalpine0.0.0.0.0.0.0.20.10.0.0.00.00.0.0.0.8.41.00.0.0.0.0.0.0.0.0.80.80.30.20.0.0.0.0.0.0.0.3.10.80.60.60.0.10.11.40.0.0.0.1.90.2
lower subalpine0.0.8.75.80.0.8.41.00.0.8.52.10.0.7.83.423.61.80.0.2.71.20.90.98.14.617.14.16.61.90.0.0.0.6.82.20.0.14.21.816.35.45.81.237.62.61.91.90.0.9.90.4
upper montane0.0.27.79.512.94.816.61.40.0.15.52.60.0.22.16.121.61.83.41.24.91.64.71.728.810.312.53.919.22.70.0.0.50.523.24.20.50.524.82.318.15.79.41.620.52.216.78.00.0.13.40.5
lower montane0.0.20.68.423.66.914.41.411.33.66.11.80.0.12.54.94.90.818.53.33.91.35.51.88.24.614.25.018.32.81.81.83.41.613.73.70.50.314.21.98.93.53.70.94.80.916.67.00.80.68.80.4
colline/submontane2.50.96.34.65.43.35.00.88.02.91.50.90.0.2.11.22.50.511.02.63.51.30.0.12.66.35.32.710.82.15.63.82.71.40.90.78.12.723.12.04.31.94.61.03.30.87.15.02.41.05.40.3
total2.50.963.210.041.97.544.61.919.44.431.63.40.0.44.57.461.02.032.94.015.12.511.12.657.69.649.96.555.33.57.44.16.72.144.55.19.12.879.42.148.16.723.42.276.32.142.49.33.21.239.50.7
totalupper subalpine0.0.0.0.0.0.0.30.10.0.0.00.00.0.0.0.13.01.20.0.0.0.0.0.0.0.0.90.80.30.20.0.0.0.0.0.0.0.4.20.91.00.70.40.413.11.50.0.0.0.2.80.2
lower subalpine0.0.14.26.70.0.14.21.30.0.16.92.80.0.28.35.938.72.00.0.8.41.86.31.925.07.541.95.613.22.40.0.1.81.020.43.30.0.17.12.032.56.422.91.947.02.61.91.90.0.17.60.5
upper montane0.0.42.210.038.07.829.41.71.41.428.13.50.0.33.97.431.62.013.62.731.03.556.24.334.410.228.06.030.83.20.0.7.91.944.75.10.50.527.92.438.76.726.22.226.62.441.09.82.21.225.30.7
lower montane10.82.437.310.151.88.232.81.834.85.535.13.70.0.34.76.710.81.344.64.236.73.627.94.024.98.222.75.835.43.333.16.935.74.029.24.817.34.317.32.117.24.930.52.47.21.029.28.429.53.226.60.7
colline/submontane89.22.46.34.610.24.823.31.663.85.619.93.0100.0.3.21.76.00.841.84.123.93.29.52.715.76.56.52.920.42.766.96.954.64.25.62.382.24.333.52.210.53.420.02.06.11.027.88.768.33.327.80.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 11.07.2020 #842532/308863
NFI3NFI4
change: volume
avalanches SilvaProtect · altitudinal vegetation zone
unit of reference: production region
unit: 1000 m³/yr
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
change2004/062009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectaltitudinal vegetation zone1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %1000 m³/yr± %
n/aupper subalpine....263512918367123
lower subalpine2311031701055724422323139721
upper montane85626195-312787553254316366
lower montane-27229-14070-61157-121571748-27855
colline/submontane40160-2295411187-92443446-15493
total12584-36043861462384312319185135
inside perimeterupper subalpine....3100136916383236
lower subalpine-3185..1710012529205415927
upper montane2742..2512881571013014739
lower montane1349..12741491..3943
colline/submontane....574669..1151
total3838..625823825464038819
outside perimeterupper subalpine....57612259314815948
lower subalpine472..3610017441603927330
upper montane4335-4135-25307215241193534830
lower montane-84593945461314773646718549
colline/submontane-11255-4968-53691127710329-20371
total29162-16242101136572213771993920
totalupper subalpine....94718740632626030
lower subalpine24108317015945542181112582815
upper montane156362532-34351371211542965125
lower montane-22320-9910152180-631268155-62287
colline/submontane30236-28145-35118846413724-16598
total19360-3744215610910441654614146522
© WSL, Swiss National Forest Inventory, 19.06.2020 #842533/308864
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