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NFI4
forest area
avalanches SilvaProtect · degree of cover of assured regeneration
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
state2009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover of assured regeneration1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Juraless than 1%3.2250.21000.6584.022
1-4%14.9110.4712.52717.810
5-9%18.5101.2415.71825.48
10-25%33.571.0458.41542.96
26-50%22.191.0454.62027.78
51-75%16.7100.6583.62321.09
76-100%9.7140.21001.83311.713
total118.624.62027.27150.51
Eastern Juraless than 1%2.3300.0.0.21002.528
1-4%4.4210.0.0.4714.820
5-9%3.0260.0.0.6583.623
10-25%10.6130.0.1.53812.112
26-50%8.7140.0.0.4709.114
51-75%5.5190.0.0.6586.118
76-100%7.9140.0.0.4718.414
total42.430.0.4.12246.62
Western Plateauless than 1%2.3300.0.0.0.2.330
1-4%6.1180.0.0.21006.317
5-9%7.3160.0.0.21007.516
10-25%13.4110.0.2.52815.910
26-50%7.2150.0.1.4378.714
51-75%5.2190.0.0.5705.618
76-100%2.6270.0.0.21002.826
total44.130.0.5.01949.12
Central Plateauless than 1%4.8190.0.0.4715.219
1-4%5.8170.0.1.0446.816
5-9%4.9190.0.0.8505.718
10-25%12.6110.0.3.52316.110
26-50%13.8110.0.3.02516.810
51-75%11.9120.0.0.65812.511
76-100%5.9180.0.0.21006.117
total59.730.0.9.41369.11
Eastern Plateauless than 1%4.7200.0.0.21004.919
1-4%9.0140.0.0.0.9.014
5-9%10.5130.0.0.65711.212
10-25%25.980.0.0.94526.97
26-50%20.790.0.1.33822.18
51-75%15.8100.0.2.42918.210
76-100%15.4100.0.0.0.15.410
total102.110.0.5.519107.61
Western Pre-Alpsless than 1%1.5350.0.1.6363.025
1-4%3.0260.9442.5276.417
5-9%2.1320.9452.6285.618
10-25%5.0202.3308.31415.610
26-50%2.7280.21003.6246.517
51-75%3.0270.0.2.3305.319
76-100%0.21000.21000.4730.851
total17.694.52021.3843.33
Central Pre-Alpsless than 1%1.9320.21000.9443.025
1-4%8.3151.2414.22213.712
5-9%10.0141.2417.71618.910
10-25%17.6101.83316.71036.16
26-50%7.7160.6587.51615.911
51-75%4.2220.4713.4248.015
76-100%1.4380.21002.1323.723
total51.255.61842.6599.42
Eastern Pre-Alpsless than 1%3.6230.7503.7218.114
1-4%5.8180.21005.91811.912
5-9%6.0180.6582.9259.414
10-25%10.0140.0.10.11320.29
26-50%5.8181.0457.81614.611
51-75%3.4250.0.1.9335.319
76-100%1.4380.21001.3372.926
total36.162.72633.5672.32
Northwestern Alpsless than 1%1.9331.1410.5573.523
1-4%3.8221.2415.01910.013
5-9%4.2212.2304.42110.812
10-25%8.6153.6248.01520.29
26-50%3.0251.0444.1228.215
51-75%1.5370.6581.6353.723
76-100%0.8500.6581.0442.529
total23.7810.41324.8758.93
Central Alpsless than 1%0.21000.8500.4711.337
1-4%2.9251.0430.4714.320
5-9%1.7330.9441.5334.219
10-25%3.7221.2402.6267.514
26-50%2.8261.2402.8256.715
51-75%0.8500.21000.4711.437
76-100%0.0.0.0.0.0.0.0.
total12.1115.2188.11325.44
Northeastern Alpsless than 1%1.4351.3411.1403.821
1-4%1.9320.8513.2246.017
5-9%1.7350.8511.2413.723
10-25%2.5282.3293.9218.713
26-50%1.0450.21002.4273.622
51-75%0.6561.0451.3372.925
76-100%0.3710.21000.6571.140
total9.5136.61613.81029.85
Southwestern Alpsless than 1%1.4381.4384.5207.216
1-4%7.8167.51512.71228.07
5-9%9.5145.51911.31326.38
10-25%9.8147.61517.21034.66
26-50%4.1221.6358.71514.411
51-75%1.0450.21001.4382.727
76-100%0.6580.0.0.0.0.658
total34.3723.7855.84113.82
Southeastern Alpsless than 1%7.7164.42110.21322.39
1-4%15.9113.22515.21134.37
5-9%8.6152.92610.81322.39
10-25%18.7105.11915.81139.66
26-50%7.2162.7276.71716.710
51-75%4.5210.4711.7356.517
76-100%0.8500.21000.0.1.045
total63.5519.01060.35142.82
Southern Alpsless than 1%3.9221.83310.51316.210
1-4%6.7174.12227.2838.16
5-9%7.3162.92525.0835.27
10-25%9.1143.32427.1839.66
26-50%3.6231.2419.91414.611
51-75%1.0440.0.3.3244.321
76-100%0.4710.21001.4381.931
total32.0713.411104.53150.02
Switzerlandless than 1%40.8711.81334.8787.55
1-4%96.5420.51080.35197.43
5-9%95.4419.11075.35189.83
10-25%181.2328.18126.64335.92
26-50%110.5410.71464.45185.53
51-75%74.953.52425.19103.64
76-100%47.561.9329.41558.96
total646.9195.74415.921158.51
© WSL, Swiss National Forest Inventory, 18.06.2020 #862540/328871
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