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NFI4
forest area
avalanches SilvaProtect · regeneration cover
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
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regionregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura< 1%1.6350.21000.21002.131
1-9%24.981.4385.81832.17
10-25%29.371.0458.91439.26
26-50%21.991.0454.82027.78
51-75%19.0100.21004.22123.59
76-100%16.5100.8502.92620.29
total113.324.62026.88144.81
Eastern Jura< 1%1.1450.0.0.21001.341
1-9%5.6180.0.0.8506.417
10-25%6.8170.0.1.5388.415
26-50%9.9130.0.0.65810.513
51-75%7.0160.0.0.0.7.016
76-100%11.2120.0.1.04412.211
total41.630.0.4.12245.72
Western Plateau< 1%0.8500.0.0.0.0.850
1-9%9.4130.0.0.4719.813
10-25%12.5110.0.1.73514.111
26-50%8.8140.0.1.83310.612
51-75%6.1170.0.0.9507.016
76-100%4.4200.0.0.21004.620
total42.030.0.5.01947.02
Central Plateau< 1%2.1300.0.0.0.2.130
1-9%9.5130.0.1.93111.512
10-25%12.9110.0.2.32815.310
26-50%13.0110.0.3.62216.610
51-75%11.5120.0.1.24112.711
76-100%10.4130.0.0.47010.812
total59.530.0.9.41369.01
Eastern Plateau< 1%3.3230.0.0.0.3.323
1-9%11.6120.0.0.47112.012
10-25%22.380.0.0.65822.98
26-50%19.690.0.1.73321.39
51-75%20.190.0.2.42922.58
76-100%23.280.0.0.47123.68
total100.220.0.5.519105.61
Western Pre-Alps< 1%1.3380.0.1.6362.826
1-9%3.7231.6334.6209.913
10-25%5.1202.1316.41713.511
26-50%2.7270.6593.7237.016
51-75%2.5290.0.2.6285.120
76-100%0.4700.0.1.5381.933
total15.6104.32120.4840.33
Central Pre-Alps< 1%1.2410.21000.7502.130
1-9%13.8112.2309.71425.78
10-25%18.1101.83315.11135.06
26-50%8.2150.7589.91418.710
51-75%4.1210.4713.4257.915
76-100%2.4290.4712.9275.719
total47.955.61841.6595.12
Eastern Pre-Alps< 1%1.1400.7502.2284.020
1-9%9.9140.6587.91518.49
10-25%10.4130.21008.91419.59
26-50%5.2190.6587.51613.312
51-75%4.2220.4703.7238.315
76-100%2.1310.21001.9314.222
total32.962.72632.1667.73
Northwestern Alps< 1%0.4700.8500.3701.535
1-9%5.6183.4248.81417.89
10-25%6.7172.7276.81716.210
26-50%2.9261.5384.1228.415
51-75%1.0441.0442.2304.321
76-100%1.0450.6581.3412.926
total17.61010.01323.5851.13
Central Alps< 1%0.0.0.4710.4710.850
1-9%3.6221.7321.5346.914
10-25%3.5221.3372.0316.815
26-50%1.6340.9442.2294.719
51-75%0.6570.4710.4681.437
76-100%0.21000.0.0.21000.471
total9.5124.8186.71520.95
Northeastern Alps< 1%0.8511.3410.7502.726
1-9%3.8221.3414.0219.113
10-25%1.3382.4272.9256.716
26-50%0.8510.21002.9243.921
51-75%0.4700.8501.2412.328
76-100%0.5580.4720.9441.931
total7.6156.41612.71026.65
Southwestern Alps< 1%0.6571.1413.1254.819
1-9%11.31311.31222.0944.55
10-25%8.0158.21516.01032.17
26-50%3.0262.1308.11513.312
51-75%1.3410.0.2.4293.623
76-100%0.4710.21000.0.0.658
total24.5822.9851.6599.02
Southeastern Alps< 1%4.1223.0266.21813.212
1-9%20.795.71823.2849.55
10-25%15.2114.72014.91134.87
26-50%6.2182.3296.51715.011
51-75%3.3251.0442.8277.116
76-100%1.2410.21000.21001.635
total50.6517.01053.75121.32
Southern Alps< 1%2.3291.2416.3179.814
1-9%8.6156.01846.2560.84
10-25%5.6192.72624.9833.17
26-50%2.8272.0319.81414.611
51-75%0.8500.0.2.8273.523
76-100%0.0.0.0.1.2411.241
total20.1911.91291.13123.12
Switzerland< 1%20.8108.91521.9951.66
1-9%141.9435.27137.23314.42
10-25%157.7327.08112.74297.42
26-50%106.7412.01367.25185.83
51-75%81.954.22230.18116.24
76-100%74.052.82715.11292.04
total583.0190.14384.321057.41
© WSL, Swiss National Forest Inventory, 18.06.2020 #862257/328588
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