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NFI4
forest area
avalanches SilvaProtect · degree of cover (aerial photo, 5 classes)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
avalanches SilvaProtectdegree of cover (aerial photo, 5 classes) %± %± %± %± %± %±
n/a0-20%1.20.41.30.30.60.20.20.10.20.20.70.1
21-40%0.90.31.80.42.10.53.00.40.30.21.90.2
41-60%5.50.74.70.67.80.88.60.72.60.66.40.3
61-80%15.01.115.21.114.01.112.50.84.30.812.90.5
over 80%58.41.668.01.323.11.39.90.79.01.233.30.5
total81.01.391.00.947.61.634.21.216.31.555.10.6
inside perimeter0-20%0.0.0.0.0.0.0.30.10.0.0.10.0
21-40%0.10.10.0.0.20.11.10.30.30.20.40.1
41-60%0.10.10.0.1.10.33.70.51.60.51.50.2
61-80%0.50.20.0.1.90.46.40.63.00.72.70.2
over 80%1.70.40.0.3.00.57.60.74.80.83.70.3
total2.50.50.0.6.20.719.11.09.71.28.50.4
outside perimeter0-20%0.0.0.10.10.50.20.60.20.50.30.40.1
21-40%0.0.0.0.2.00.42.50.41.10.41.30.2
41-60%0.30.20.10.13.20.610.00.74.80.84.30.3
61-80%2.40.51.20.313.01.115.50.917.11.59.90.4
over 80%13.71.17.70.827.41.418.00.950.52.020.70.5
total16.51.29.00.946.21.646.61.274.01.836.40.6
total0-20%1.20.41.30.31.10.31.10.30.60.31.10.1
21-40%1.00.31.80.44.40.66.70.61.70.53.60.3
41-60%5.90.84.80.612.11.022.21.08.91.112.10.4
61-80%18.01.216.41.128.91.434.51.224.51.725.50.6
over 80%73.91.475.61.153.51.435.51.164.31.957.60.6
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #863372/329703
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