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NFI4
forest area
processes in channels SilvaProtect · regeneration cover
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtectregeneration cover1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a< 1%9.8143.4242.5280.8505.1202.92624.59
1-9%64.8526.6819.01017.21023.5913.912165.03
10-25%85.1432.7716.9109.81418.6109.114172.23
26-50%74.8517.1119.7144.1229.2144.621119.54
51-75%65.358.9156.2181.9335.3191.24188.74
76-100%66.654.1223.2250.6581.8330.47176.85
total366.5192.7457.6534.3763.5532.07646.71
inside perimeter< 1%0.21003.6235.4183.7238.8157.81529.58
1-9%5.71829.1815.91031.5725.9855.45163.63
10-25%10.81333.3717.01022.0916.11027.48126.64
26-50%10.01418.61013.7119.51410.01413.31275.15
51-75%6.5178.5156.4172.2303.8233.52331.08
76-100%2.4296.2183.6230.21000.4711.63514.312
total35.6799.3362.0469.2365.04109.03440.22
outside perimeter< 1%0.4710.21000.8500.8500.8500.21003.125
1-9%5.2202.1321.9314.3216.5173.92324.09
10-25%5.7182.7282.4293.3244.9203.02622.09
26-50%3.8232.1311.8331.6351.0451.83312.113
51-75%2.2301.4380.8500.4711.0450.0.5.819
76-100%3.4240.9500.21000.0.0.0.0.0.4.421
total20.7109.4157.91510.31314.3118.91571.55
total< 1%10.4147.2168.7145.31914.61110.91357.16
1-9%75.8557.8536.9653.1555.9573.14352.62
10-25%101.6468.7536.3735.1639.6639.56320.92
26-50%88.6437.8725.3815.21120.3919.710206.73
51-75%74.0518.81013.4124.42110.2144.720125.54
76-100%72.4511.2137.0170.8502.3301.93195.54
total422.81201.41127.52113.82142.82150.021158.41
© WSL, Swiss National Forest Inventory, 19.06.2020 #858332/324663
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