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NFI4
forest area
landslide/mudflow SilvaProtect · degree of cover of assured regeneration
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 assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 1%2.8270.21000.6583.623
1-4%12.6121.2411.73315.511
5-9%17.7102.8264.12224.68
10-25%32.573.6235.41941.56
26-50%21.793.3242.32927.38
51-75%16.5101.6352.72620.89
76-100%9.5141.4380.65811.513
total113.3214.01117.410144.81
Eastern Juraless than 1%2.3300.21000.0.2.528
1-4%4.2210.4710.21004.820
5-9%2.7270.6580.21003.623
10-25%10.2130.9500.85011.912
26-50%8.2150.21000.4708.814
51-75%4.9201.0440.0.5.918
76-100%7.8140.21000.21008.214
total40.333.5241.83345.72
Western Plateauless than 1%2.1310.0.0.0.2.131
1-4%5.8180.21000.0.6.018
5-9%6.5170.0.0.21006.817
10-25%13.0110.4712.13115.510
26-50%7.2150.0.1.4378.714
51-75%4.8200.0.0.5705.219
76-100%2.6270.21000.0.2.826
total42.030.8504.22147.02
Central Plateauless than 1%4.8190.21000.21005.219
1-4%5.8170.21000.8506.816
5-9%4.7190.8500.0.5.518
10-25%12.6111.2402.32816.110
26-50%13.8110.4712.72616.810
51-75%11.9120.4710.210012.511
76-100%5.9180.0.0.21006.117
total59.533.1256.41769.01
Eastern Plateauless than 1%4.5200.0.0.21004.720
1-4%8.9140.0.0.0.8.914
5-9%10.1130.21000.65710.913
10-25%25.680.4710.75026.77
26-50%20.590.4711.04521.99
51-75%15.3110.6581.83317.710
76-100%14.8110.21000.0.14.910
total99.621.7334.321105.61
Western Pre-Alpsless than 1%1.5350.0.1.6363.025
1-4%3.0260.4713.0256.417
5-9%2.1320.4732.8255.419
10-25%4.2221.3378.71414.210
26-50%2.0320.5723.3255.818
51-75%2.5290.21002.1324.820
76-100%0.21000.31000.21000.659
total15.6103.02521.6740.33
Central Pre-Alpsless than 1%1.7330.0.1.1412.826
1-4%7.3160.8504.42112.512
5-9%9.3140.9508.01518.210
10-25%16.8101.53816.91035.26
26-50%7.1160.9507.01715.111
51-75%4.2220.8502.9277.816
76-100%1.4380.0.2.1323.524
total47.954.92042.3595.12
Eastern Pre-Alpsless than 1%2.8250.9443.3237.015
1-4%5.6191.0454.92011.612
5-9%5.3190.6572.4278.315
10-25%9.4141.6358.41519.39
26-50%5.4190.9507.51613.711
51-75%3.0260.21001.7354.820
76-100%1.4380.4711.1412.926
total32.965.51829.3767.73
Northwestern Alpsless than 1%1.1440.21001.5352.726
1-4%3.0251.6354.6209.214
5-9%3.6231.4385.01910.013
10-25%6.5172.3308.51517.39
26-50%1.8330.4714.4216.517
51-75%1.1440.21001.9333.125
76-100%0.6580.6571.0452.330
total17.6106.61626.8751.13
Central Alpsless than 1%0.21000.6580.6581.337
1-4%2.7260.6570.8504.020
5-9%1.4371.1401.3363.820
10-25%3.3230.6562.3286.316
26-50%1.5340.6582.4284.519
51-75%0.4710.0.0.6571.045
76-100%0.0.0.0.0.0.0.0.
total9.5123.5228.01320.95
Northeastern Alpsless than 1%1.3380.6591.6353.422
1-4%1.9320.7503.2245.817
5-9%1.5380.4701.4383.324
10-25%1.7331.5354.1217.415
26-50%0.4730.21002.5273.025
51-75%0.4700.6591.6352.627
76-100%0.3710.0.0.8491.140
total7.6154.02115.1926.65
Southwestern Alpsless than 1%1.0451.1404.5206.617
1-4%5.4196.41712.61224.48
5-9%6.0184.92010.21321.19
10-25%8.0156.31717.61032.07
26-50%2.6283.4246.11812.112
51-75%1.0450.4711.1442.529
76-100%0.4710.0.0.0.0.471
total24.5822.5852.0599.02
Southeastern Alpsless than 1%6.3182.62811.41320.39
1-4%14.3114.52011.81230.77
5-9%7.6162.23010.01419.79
10-25%15.3114.52114.41134.27
26-50%4.0220.6586.61711.313
51-75%2.4290.6581.2414.321
76-100%0.6580.0.0.21000.850
total50.6515.01155.75121.32
Southern Alpsless than 1%2.9262.6289.11414.711
1-4%4.4217.01720.2931.67
5-9%4.2225.91819.01029.27
10-25%5.8185.71821.4932.97
26-50%2.2302.2305.91810.413
51-75%0.6570.4712.2303.125
76-100%0.0.0.21001.0451.241
total20.1924.1878.84123.12
Switzerlandless than 1%35.279.21535.7780.25
1-4%85.1524.9968.25178.23
5-9%82.9522.1965.45170.33
10-25%165.0331.88113.64310.32
26-50%98.6413.81253.46165.93
51-75%68.957.01720.31096.14
76-100%45.663.4247.31656.36
total581.21112.34363.921057.41
© WSL, Swiss National Forest Inventory, 18.06.2020 #864555/330886
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