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NFI4
forest area
avalanches SilvaProtect · type of next treatment (interview survey)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
avalanches SilvaProtecttype of next treatment (interview survey)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/ano treatment34.0729.7820.6925.9842.3624.39176.93
tending49.5510.1143.4241.9333.0250.47168.35
thinning117.1314.6119.0141.0451.7331.438144.83
establishment cut44.669.5146.6160.7506.7170.85068.95
removal cut19.0102.7280.8500.4710.8500.47124.19
plentering25.887.5160.8500.0.1.8330.0.36.07
thinning of mountain forest0.47114.1127.8162.8275.3191.73332.18
coppice cut1.6350.0.0.0.0.0.0.0.0.8502.329
conversion3.2250.6580.0.0.0.0.0.0.0.3.823
transformation0.6580.0.0.0.0.0.0.0.0.0.0.658
sanitary felling7.5161.2410.4710.4710.0.0.4719.914
plentering in broadleaf forest43.860.8505.4190.0.0.0.0.0.50.16
tending of forest edge6.9170.4711.4380.21000.21000.6589.714
planting0.4710.0.0.0.0.0.0.0.0.0.0.471
agrosilvicultural treatments11.8131.4381.2411.0451.7351.24118.310
total366.3192.7457.4534.3763.5532.07646.31
inside perimeterno treatment1.4384.0223.02611.01311.3137.71538.37
tending0.0.2.7281.4380.6580.8500.0.5.419
thinning0.4712.2301.0451.2410.8500.21005.819
establishment cut1.2412.0310.9452.5273.0250.21009.914
removal cut0.21000.4710.6580.21000.21000.21001.833
plentering0.6580.21000.4710.0.0.21000.0.1.438
thinning of mountain forest0.8508.5155.5197.9152.6284.52029.88
coppice cut0.0.0.0.0.0.0.0.0.0.0.0.0.0.
conversion0.0.0.0.0.0.0.0.0.0.0.0.0.0.
transformation0.0.0.0.0.0.0.0.0.0.0.0.0.0.
sanitary felling0.0.0.21000.0.0.0.0.0.0.4710.658
plentering in broadleaf forest0.0.0.0.1.8330.0.0.0.0.0.1.833
tending of forest edge0.0.0.0.0.0.0.21000.0.0.0.0.2100
planting0.0.0.0.0.0.0.0.0.0.0.0.0.0.
agrosilvicultural treatments0.0.0.21000.0.0.21000.21000.21000.850
total4.72020.4914.61123.7819.01013.41195.84
outside perimeterno treatment7.01721.6914.01130.1736.7674.24183.63
tending4.4219.1155.2191.6353.6231.24125.19
thinning13.8128.8159.7142.5272.8276.11843.67
establishment cut10.5139.1156.3175.2198.6153.52443.17
removal cut2.8272.3301.4380.21001.0452.3309.914
plentering2.82711.5131.3380.21000.8500.210016.911
thinning of mountain forest2.42920.498.21513.4115.41911.71361.55
coppice cut0.4710.0.0.0.0.21000.0.3.1253.623
conversion0.0.1.1450.8500.0.0.0.0.6582.529
transformation0.0.0.21000.21000.0.0.0.0.21000.658
sanitary felling1.0451.7350.6580.8500.0.0.4714.421
plentering in broadleaf forest4.6211.1456.5170.0.0.21000.0.12.312
tending of forest edge1.0450.6580.8500.0.0.6580.21003.325
planting0.0.0.0.0.0.0.0.0.0.0.0.0.0.
agrosilvicultural treatments1.2411.0450.6581.6350.6581.0456.018
total51.8688.3455.5555.8460.35104.53416.32
totalno treatment42.4755.3537.6667.1490.33106.23398.92
tending53.9521.8910.0134.1227.4161.53598.84
thinning131.4325.6819.794.6205.3197.616194.23
establishment cut56.3520.6913.8118.41418.3104.521121.94
removal cut22.095.3192.8270.8502.1312.92635.87
plentering29.2819.3102.6280.21002.8270.210054.26
thinning of mountain forest3.62343.1621.5924.1813.31217.910123.44
coppice cut1.9320.0.0.0.0.21000.0.3.8235.918
conversion3.2251.7350.8500.0.0.0.0.6586.218
transformation0.6580.21000.21000.0.0.0.0.21001.241
sanitary felling8.5153.1261.0451.2410.0.1.24114.911
plentering in broadleaf forest48.461.93313.7110.0.0.21000.0.64.25
tending of forest edge7.9161.0452.2300.4710.8500.85013.212
planting0.4710.0.0.0.0.0.0.0.0.0.0.471
agrosilvicultural treatments13.0122.6281.8332.8262.5292.42925.09
total422.81201.41127.52113.82142.82150.021158.41
© WSL, Swiss National Forest Inventory, 10.07.2020 #862613/328944
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