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NFI2
basal area
rockfall SilvaProtect · altitudinal vegetation zone
unit of reference: economic region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest
grid: terrestrial grid NFI2
state1993/95
rockfall SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionaltitudinal vegetation zone m²/ha± % m²/ha± % m²/ha± % m²/ha± %
Western Juraupper subalpine0.0.0.0.0.0.0.0.
lower subalpine23.6538.5.37.9524.15
upper montane31.7426.83030.2631.53
lower montane31.0333.71232.6531.53
colline/submontane30.1438.0829.21030.43
total29.9235.4731.4430.32
Eastern Juraupper subalpine0.0.0.0.0.0.0.0.
lower subalpine0.0.0.0.0.0.0.0.
upper montane32.500.0.0.0.32.50
lower montane32.270.0.34.51232.67
colline/submontane28.040.6033.5928.34
total29.040.6033.9729.43
Western Plateauupper subalpine0.0.0.0.0.0.0.0.
lower subalpine32.1130.0.0.0.32.113
upper montane23.1210.0.30.4023.819
lower montane36.050.0.34.71435.95
colline/submontane32.160.0.27.91031.55
total33.630.0.30.6833.33
Central Plateauupper subalpine0.0.0.0.0.0.0.0.
lower subalpine0.0.0.0.0.0.0.0.
upper montane39.3180.0.39.71339.512
lower montane36.050.0.37.5936.24
colline/submontane33.1334.61930.9732.93
total34.1334.61933.7634.12
Eastern Plateauupper subalpine0.0.0.0.0.0.0.0.
lower subalpine0.0.0.0.0.0.0.0.
upper montane48.5130.0.32.9046.413
lower montane33.040.0.29.81532.94
colline/submontane30.930.0.28.3830.72
total31.520.0.28.7731.42
Western Pre-Alpsupper subalpine0.0.0.0.3.703.70
lower subalpine38.11320.8037.0937.38
upper montane42.51234.3.38.4639.96
lower montane37.4150.0.36.91237.210
colline/submontane50.6500.0.33.52036.420
total40.0827.51737.1438.24
Central Pre-Alpsupper subalpine11.7380.0.45.6223.031
lower subalpine30.7856.7032.4731.66
upper montane39.158.82335.9537.24
lower montane38.3631.3039.9539.14
colline/submontane32.31221.04344.2936.68
total35.7424.12837.1336.22
Eastern Pre-Alpsupper subalpine0.0.0.0.0.0.0.0.
lower subalpine27.2110.0.31.81529.19
upper montane36.270.0.38.7637.55
lower montane41.9822.75838.7639.95
colline/submontane39.11257.7740.71040.77
total36.2441.22738.0437.23
Northwestern Alpsupper subalpine42.2630.0.15.72324.543
lower subalpine26.21215.24833.6729.96
upper montane26.01851.52333.6632.07
lower montane42.23540.71429.61234.714
colline/submontane36.01831.9541.52036.911
total28.8934.21333.0431.64
Central Alpsupper subalpine31.100.0.17.5024.120
lower subalpine19.91430.03735.61625.111
upper montane24.82143.62336.71132.710
lower montane34.72738.51833.21134.513
colline/submontane47.42519.73026.72031.117
total25.91134.31633.9730.16
Northeastern Alpsupper subalpine0.0.0.0.26.81326.813
lower subalpine27.5160.0.24.61626.211
upper montane31.22717.53830.51229.511
lower montane43.11839.41437.21138.88
colline/submontane25.8440.0.31.41629.817
total30.41232.81530.7730.85
Southwestern Alpsupper subalpine17.0139.53530.1624.86
lower subalpine25.01333.71836.0533.44
upper montane19.41530.82327.5625.86
lower montane22.41921.12820.7921.18
colline/submontane14.51717.22220.81117.79
total19.9725.21230.0327.03
Southeastern Alpsupper subalpine20.9942.41628.3625.15
lower subalpine26.3638.03032.7429.93
upper montane27.91033.61128.3628.45
lower montane29.61030.82726.21028.07
colline/submontane29.1110.0.24.71127.58
total26.2435.61129.7328.32
Southern Alpsupper subalpine15.31732.3024.31021.59
lower subalpine18.81443.72326.3625.06
upper montane20.21723.21726.1425.14
lower montane15.71922.02026.81124.610
colline/submontane22.81627.91925.8525.45
total19.5826.01126.0324.83
Switzerlandupper subalpine19.0726.12527.7424.24
lower subalpine26.7332.41232.7229.82
upper montane32.1329.2931.4231.62
lower montane33.9231.5732.6333.42
colline/submontane30.5227.81029.2330.11
total30.5129.8531.3130.91
© WSL, Swiss National Forest Inventory, 17.06.2020 #875535/341867
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