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NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
avalanches SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%..1.8451.845
21-40%0.41001.8452.241
41-60%..11.11711.117
61-80%1.84537.2938.98
over 80%2.53892.4494.94
total4.627144.22148.92
Eastern Jura0-20%..1.2571.257
21-40%..0.41000.4100
41-60%..2.0442.044
61-80%..6.7236.723
over 80%..36.7636.76
total..47.0347.03
Western Plateau0-20%..1.2571.257
21-40%..0.8700.870
41-60%..4.5294.529
61-80%..11.91711.917
over 80%..28.7828.78
total..47.2447.24
Central Plateau0-20%..0.9570.957
21-40%..0.6710.671
41-60%..4.0274.027
61-80%..15.91315.913
over 80%..47.2547.25
total..68.7268.72
Eastern Plateau0-20%..0.7710.771
21-40%..3.2333.233
41-60%..4.3284.328
61-80%..21.11221.112
over 80%..80.8480.84
total..110.12110.12
Western Pre-Alps0-20%..0.41000.4100
21-40%0.7702.2402.935
41-60%1.1587.4218.519
61-80%0.77011.51612.215
over 80%0.410016.61217.012
total2.93538.1541.14
Central Pre-Alps0-20%..1.1581.158
21-40%..2.2412.241
41-60%1.45011.51712.916
61-80%1.84435.5837.38
over 80%3.63137.6841.27
total6.82287.8394.72
Eastern Pre-Alps0-20%..0.7710.771
21-40%..2.1412.141
41-60%..6.8226.822
61-80%1.45016.11317.513
over 80%1.45040.4741.86
total2.93566.1368.93
Northwestern Alps0-20%1.1570.7711.844
21-40%1.1571.8442.935
41-60%0.7718.6199.318
61-80%3.23313.91417.113
over 80%4.32819.31223.610
total10.41744.3654.74
Central Alps0-20%0.3100..0.3100
21-40%0.31000.7701.057
41-60%0.7703.8294.527
61-80%0.31004.8255.224
over 80%3.1327.91911.015
total4.82517.31122.18
Northeastern Alps0-20%..0.41000.4100
21-40%0.41002.2402.537
41-60%0.41003.2323.631
61-80%1.8445.0256.821
over 80%3.63011.81515.412
total6.12222.6928.76
Southwestern Alps0-20%..0.7710.771
21-40%1.7454.1295.924
41-60%7.52118.21325.710
61-80%7.22126.81034.09
over 80%7.92019.51227.410
total24.41169.3593.73
Southeastern Alps0-20%..0.41000.4100
21-40%1.1589.51910.518
41-60%5.62533.4939.08
61-80%4.92640.4845.47
over 80%3.93020.01223.811
total15.514103.63119.03
Southern Alps0-20%..1.1581.158
21-40%0.41001.8452.141
41-60%2.5389.61912.117
61-80%5.32528.71034.09
over 80%4.32965.8670.05
total12.416106.94119.33
Switzerland0-20%1.45011.21812.617
21-40%6.02433.41039.49
41-60%20.013128.45148.35
61-80%28.511275.43303.93
over 80%34.810524.82559.62
total90.86973.211063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163336/149716
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