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NFI2

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · protection forest region
unit: %
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 1993/95
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover (aerial photo, 5 classes) %± %± %± %± %± %± %±
inside perimeter0-20%..5.95.7..4.24.1....1.91.3
21-40%....4.54.412.76.9....3.71.8
41-60%10.19.617.69.322.78.920.88.333.319.324.17.921.33.9
61-80%10.09.529.411.127.39.537.49.950.020.417.47.126.84.3
over 80%79.912.747.112.145.510.624.98.816.715.258.59.246.54.8
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeter0-20%0.90.32.00.61.90.84.91.42.70.90.70.51.70.2
21-40%2.20.46.71.14.41.211.32.015.02.05.91.35.90.4
41-60%5.70.718.01.716.62.124.52.731.22.520.12.315.10.6
61-80%25.01.335.82.126.92.534.93.031.52.528.52.629.10.8
over 80%66.21.437.62.150.12.824.52.719.52.244.82.848.20.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
total0-20%0.80.32.10.61.80.74.81.32.70.90.60.41.70.2
21-40%2.20.46.41.14.41.111.41.914.71.95.41.25.80.4
41-60%5.80.718.01.717.02.124.12.631.32.520.42.215.30.6
61-80%24.81.335.62.126.92.435.12.931.92.527.62.429.00.8
over 80%66.31.437.92.149.82.724.52.619.52.246.02.748.20.9
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.

calculated by unit of reference: protection forest region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156512/142891
search result: 1 entry on 1 page

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