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NFI3
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2004/06
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura0-20%1.3400.0.0.0.1.340
21-40%2.7270.0.0.21002.926
41-60%7.9150.21001.0459.114
61-80%17.2100.8503.12521.19
over 80%89.433.62323.08116.02
total118.624.62027.27150.51
Eastern Jura0-20%0.21000.0.0.0.0.2100
21-40%0.31000.0.0.0.0.3100
41-60%0.7580.0.0.0.0.758
61-80%1.4390.0.0.0.1.439
over 80%39.930.0.4.12244.02
total42.430.0.4.12246.62
Western Plateau0-20%0.8490.0.0.0.0.849
21-40%0.8490.0.0.0.0.849
41-60%2.9260.0.0.0.2.926
61-80%3.7230.0.0.7584.321
over 80%35.940.0.4.32140.24
total44.130.0.5.01949.12
Central Plateau0-20%0.5580.0.0.0.0.558
21-40%1.1440.0.0.0.1.144
41-60%1.0450.0.0.21001.240
61-80%5.3190.0.0.5585.818
over 80%51.830.0.8.71460.52
total59.730.0.9.41369.11
Eastern Plateau0-20%1.0440.0.0.0.1.044
21-40%1.7340.0.0.0.1.734
41-60%2.0310.0.0.0.2.031
61-80%5.7180.0.0.3716.117
over 80%91.720.0.5.11996.82
total102.110.0.5.519107.61
Western Pre-Alps0-20%0.6700.31000.8581.639
21-40%0.6700.31000.31001.148
41-60%3.3260.7503.7247.715
61-80%3.9220.8504.4209.114
over 80%9.2132.42712.21123.86
total17.694.52021.3843.33
Central Pre-Alps0-20%0.6580.0.0.6571.140
21-40%2.7260.4710.8503.822
41-60%5.5180.7501.5357.715
61-80%10.9130.9448.11519.99
over 80%31.673.62431.7766.83
total51.255.61842.6599.42
Eastern Pre-Alps0-20%1.0450.0.0.7571.735
21-40%1.6350.0.0.9492.529
41-60%3.5240.4712.6286.517
61-80%8.0150.21005.02013.211
over 80%21.982.13024.4748.54
total36.162.72633.5672.32
Northwestern Alps0-20%1.4380.6571.0443.025
21-40%3.2250.4711.0444.720
41-60%4.8200.4713.1258.315
61-80%5.0202.3307.01614.311
over 80%9.3146.71612.61128.76
total23.7810.41324.8758.93
Central Alps0-20%0.6580.21000.4711.241
21-40%2.1300.0.0.0.2.130
41-60%2.0300.4710.8503.224
61-80%2.7251.5351.4375.717
over 80%4.6183.1245.51713.28
total12.1115.2188.11325.44
Northeastern Alps0-20%0.0.0.0.0.9430.943
21-40%1.4380.4710.8512.627
41-60%1.7330.5581.9314.120
61-80%2.7271.4382.7266.816
over 80%3.7214.3217.51415.48
total9.5136.61613.81029.85
Southwestern Alps0-20%1.0450.21001.0452.230
21-40%8.2151.0453.02612.213
41-60%7.8164.3218.31520.59
61-80%7.9165.61814.91128.47
over 80%9.31412.61228.6750.55
total34.3723.7855.84113.82
Southeastern Alps0-20%2.4290.21001.2413.823
21-40%7.3161.2416.81715.411
41-60%13.9123.22513.71230.87
61-80%17.8107.91517.61043.46
over 80%22.196.41721.0949.55
total63.5519.01060.35142.82
Southern Alps0-20%1.0450.4712.1313.424
21-40%5.1190.8503.5239.314
41-60%6.0181.4388.11515.511
61-80%8.2153.82219.11031.27
over 80%11.7137.11671.7490.43
total32.0713.411104.53150.02
Switzerland0-20%12.4131.9338.51522.89
21-40%38.874.52117.31160.66
41-60%63.1512.21344.96120.24
61-80%100.5425.3984.95210.73
over 80%432.1151.86260.42744.31
total646.9195.74415.921158.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #863481/329812
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