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NFI4
forest area
landslide/mudflow SilvaProtect · degree of cover of regeneration (7 classes)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
landslide/mudflow SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura< 1%1.6350.0.0.4712.131
1-4%10.6130.6581.43812.612
5-9%14.3112.1303.12519.59
10-25%29.374.3205.61839.26
26-50%21.993.1252.72727.78
51-75%19.0101.6352.92623.59
76-100%16.5102.3291.43820.29
total113.3214.01117.410144.81
Eastern Jura< 1%1.1450.21000.0.1.341
1-4%3.4240.4710.21004.122
5-9%1.7350.4710.21002.330
10-25%6.6170.9500.8508.415
26-50%9.9130.21000.47010.513
51-75%6.5170.4710.0.7.016
76-100%11.0121.0440.210012.211
total40.333.5241.83345.72
Western Plateau< 1%0.8500.0.0.0.0.850
1-4%4.4210.0.0.0.4.421
5-9%5.0190.21000.21005.419
10-25%12.5110.21001.53714.111
26-50%8.8140.21001.63510.612
51-75%6.1170.0.0.9507.016
76-100%4.4200.21000.0.4.620
total42.030.8504.22147.02
Central Plateau< 1%2.1300.0.0.0.2.130
1-4%4.7200.21000.21005.119
5-9%4.8190.8500.8506.416
10-25%12.9111.0441.43715.310
26-50%13.0110.7502.92516.610
51-75%11.5120.21001.04512.711
76-100%10.4130.21000.210010.812
total59.533.1256.41769.01
Eastern Plateau< 1%3.3230.0.0.0.3.323
1-4%5.0190.0.0.0.5.019
5-9%6.6160.0.0.4717.016
10-25%22.180.21000.65822.98
26-50%19.490.5571.33821.39
51-75%20.190.8501.63522.58
76-100%23.080.21000.47123.68
total99.621.7334.321105.61
Western Pre-Alps< 1%1.3380.0.1.6362.826
1-4%2.0320.21002.6274.820
5-9%1.7350.6592.8255.119
10-25%5.1200.7507.71513.511
26-50%2.7270.6573.7237.016
51-75%2.5290.5722.2315.120
76-100%0.4700.5711.1461.933
total15.6103.02521.6740.33
Central Pre-Alps< 1%1.2410.0.0.9452.130
1-4%6.4170.4713.42510.114
5-9%7.5160.8507.31615.611
10-25%18.1101.73515.11135.06
26-50%8.2151.2449.41418.710
51-75%4.1210.6583.2267.915
76-100%2.4290.21003.1265.719
total47.954.92042.3595.12
Eastern Pre-Alps< 1%1.1400.5582.4274.020
1-4%5.9180.8504.12110.813
5-9%4.0220.6583.1257.615
10-25%10.4131.6357.51619.59
26-50%5.2191.3416.91713.312
51-75%4.2220.4703.7238.315
76-100%2.1310.4711.8334.222
total32.965.51829.3767.73
Northwestern Alps< 1%0.4700.21000.9441.535
1-4%2.8261.0454.3218.215
5-9%2.8261.8335.1199.613
10-25%6.7172.1317.41616.210
26-50%2.9260.6584.9208.415
51-75%1.0440.4712.9264.321
76-100%1.0450.6571.2402.926
total17.6106.61626.8751.13
Central Alps< 1%0.0.0.6580.21000.850
1-4%1.5340.4710.8502.725
5-9%2.1290.9441.1404.220
10-25%3.5220.8502.5266.815
26-50%1.6340.6582.6274.719
51-75%0.6570.21000.6581.437
76-100%0.21000.0.0.21000.471
total9.5123.5228.01320.95
Northeastern Alps< 1%0.8510.6591.4382.726
1-4%2.4270.7502.3295.518
5-9%1.3410.21002.1303.623
10-25%1.3381.5363.8226.716
26-50%0.8510.3702.8253.921
51-75%0.4700.4711.6352.328
76-100%0.5580.31001.1401.931
total7.6154.02115.1926.65
Southwestern Alps< 1%0.6570.6573.7234.819
1-4%4.6215.81812.21222.68
5-9%6.7175.11910.11321.99
10-25%8.0156.31717.81032.17
26-50%3.0264.1226.11813.312
51-75%1.3410.4712.0313.623
76-100%0.4710.21000.0.0.658
total24.5822.5852.0599.02
Southeastern Alps< 1%4.1221.3387.81613.212
1-4%12.7125.02012.81230.57
5-9%8.0162.0329.21419.110
10-25%15.2114.72014.91134.87
26-50%6.2180.8508.01515.011
51-75%3.3251.2412.6287.116
76-100%1.2410.0.0.4711.635
total50.6515.01155.75121.32
Southern Alps< 1%2.3291.4386.0189.814
1-4%3.6236.41720.4930.47
5-9%5.0206.11819.31030.47
10-25%5.6196.71720.8933.17
26-50%2.8272.6289.21414.611
51-75%0.8500.6582.2303.523
76-100%0.0.0.21001.0451.241
total20.1924.1878.84123.12
Switzerland< 1%20.8105.41925.4951.66
1-4%70.1521.8964.75156.63
5-9%71.4521.6964.85157.73
10-25%157.3332.78107.44297.42
26-50%106.5416.91162.46185.83
51-75%81.557.61627.29116.24
76-100%73.656.31812.01392.04
total581.21112.34363.921057.41
© WSL, Swiss National Forest Inventory, 18.06.2020 #864997/331328
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