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NFI4
forest area
landslide/mudflow SilvaProtect · degree of cover of regeneration (7 classes)
unit of reference: protection forest 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
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtectdegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a< 1%9.0153.0261.9310.6574.1222.32920.910
1-4%27.8811.41310.0144.62112.7123.62370.15
5-9%32.4712.0137.4166.7178.0165.02071.45
10-25%83.3429.5815.1118.01515.2115.619156.73
26-50%73.2514.0127.5163.0266.2182.827106.74
51-75%63.457.7165.0201.3413.3250.85081.35
76-100%65.253.9232.8270.4711.2410.0.73.55
total354.3181.4449.7524.5850.6520.19580.61
inside perimeter< 1%0.21000.21001.7330.6571.3381.4385.419
1-4%1.2411.6352.0315.8185.0206.41721.99
5-9%3.6243.3251.8335.1192.0326.11821.99
10-25%6.6174.5213.9226.3174.7206.71732.88
26-50%4.9202.3302.2304.1220.8502.62816.911
51-75%3.0261.4381.0450.4711.2410.6587.616
76-100%4.0221.3410.6580.21000.0.0.21006.318
total23.5914.71113.11222.5815.01124.18113.04
outside perimeter< 1%0.4713.6234.1213.7237.8166.01825.69
1-4%1.83310.5147.01612.21212.81220.4964.75
5-9%4.72015.1116.41710.1139.21419.31064.95
10-25%9.91429.9813.91117.81014.91120.89107.04
26-50%9.11517.81012.1126.1188.0159.21462.45
51-75%6.3188.1165.8182.0312.6282.23026.99
76-100%2.2305.3193.2250.0.0.4711.04512.113
total34.3790.3452.4552.0555.7578.84363.62
total< 1%9.6146.8177.7154.81913.2129.81451.96
1-4%30.8823.4919.0922.6830.5730.47156.73
5-9%40.7730.5815.51121.9919.11030.47158.13
10-25%99.8463.8532.9732.1734.8733.17296.52
26-50%87.2434.1721.8913.31215.01114.611186.03
51-75%72.6517.21011.8123.6237.1163.523115.94
76-100%71.4510.6146.5170.6581.6351.24191.94
total412.11186.41115.2299.02121.32123.121057.11
© WSL, Swiss National Forest Inventory, 18.06.2020 #864991/331322
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