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NFI4
forest area
rockfall SilvaProtect · stand structure
unit of reference: protection forest region
unit: %
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
rockfall SilvaProtectstand structure %± %± %± %± %± %± %±
n/an/a0.90.22.60.81.00.63.61.41.60.70.60.61.40.2
single-layered30.81.135.92.239.82.935.53.732.22.635.03.832.90.8
multi-layered60.21.142.72.345.12.933.63.643.22.844.23.952.40.9
stratified7.80.616.31.712.71.926.23.418.12.217.12.911.90.6
clustered structure0.30.12.40.71.40.71.20.84.81.23.11.31.30.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a5.55.30.0.0.0.3.13.05.65.40.0.1.71.0
single-layered34.410.619.08.534.37.833.88.031.010.642.26.734.33.5
multi-layered50.111.259.310.554.58.244.08.342.011.352.36.850.83.7
stratified5.15.021.78.711.25.319.16.521.49.55.43.112.72.4
clustered structure4.84.70.0.0.0.0.0.0.0.0.0.0.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimetern/a0.80.53.30.82.60.92.20.83.30.91.30.52.30.3
single-layered23.82.628.92.030.92.644.42.637.52.434.32.033.51.0
multi-layered67.52.848.52.255.62.830.82.436.72.449.92.147.41.0
stratified7.51.617.51.710.21.721.82.219.32.013.01.415.30.7
clustered structure0.40.41.80.60.60.40.80.53.20.91.50.51.50.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.90.22.90.51.70.52.70.72.60.61.00.41.80.2
single-layered29.91.031.91.535.11.941.12.035.01.735.01.733.20.6
multi-layered61.01.046.11.650.82.032.41.939.71.848.91.850.30.6
stratified7.80.617.01.211.41.223.01.818.81.513.31.213.40.4
clustered structure0.30.12.00.40.90.40.90.43.90.71.70.51.40.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860016/326347
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