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NFI4
forest area
landslide/mudflow SilvaProtect · basal area (standing live trees)
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
landslide/mudflow SilvaProtectbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/ato 19 m2/ha110.7332.1716.31021.2926.4817.410224.23
20-39 m2/ha158.7327.6818.5109.11420.5910.414244.72
40-59 m2/ha76.8420.6914.3113.02512.1123.225130.24
from 60 m2/ha18.31012.5128.3151.0444.4211.04545.46
total364.5192.7457.4534.3763.5532.07644.51
inside perimeterto 19 m2/ha5.3193.5242.4297.0163.1266.51727.98
20-39 m2/ha11.2136.0184.6219.4147.61611.71350.66
40-59 m2/ha5.8183.9234.7204.6204.3215.61928.98
from 60 m2/ha1.4381.7352.5272.3281.8332.82612.412
total23.7915.11114.11123.3816.91026.78119.74
outside perimeterto 19 m2/ha7.21622.9912.81216.01017.21031.77107.94
20-39 m2/ha16.41134.7721.0922.1925.9837.36157.33
40-59 m2/ha9.41424.3814.41112.21115.71017.91094.04
from 60 m2/ha1.63511.8137.8155.9173.6234.32134.97
total34.5793.6456.0556.2462.5491.33394.12
totalto 19 m2/ha123.3358.5531.5744.3546.7555.75359.92
20-39 m2/ha186.2268.2444.1640.6654.0559.55452.62
40-59 m2/ha92.0448.8533.4619.8832.2726.78253.12
from 60 m2/ha21.2925.9818.599.1139.9138.11592.84
total422.81201.41127.52113.82142.82150.021158.41
© WSL, Swiss National Forest Inventory, 18.06.2020 #865664/331995
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