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NFI4
forest area
rockfall SilvaProtect · degree of cover of regeneration (7 classes)
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectdegree of cover of regeneration (7 classes) %± %± %± %± %± %±
n/a< 1%1.50.43.00.52.10.41.90.31.90.52.10.2
1-4%8.00.96.40.77.10.88.00.63.90.77.00.3
5-9%8.70.97.60.86.70.87.10.65.40.87.20.3
10-25%18.81.221.11.216.51.111.40.76.10.914.80.5
26-50%16.61.218.51.18.50.95.90.53.00.610.30.4
51-75%13.11.117.21.15.50.72.80.40.80.37.60.3
76-100%14.11.117.01.12.40.51.20.30.30.26.60.3
total80.91.290.90.848.91.538.41.121.31.555.60.6
inside perimeter< 1%0.0.0.0.0.0.0.30.10.0.0.10.0
1-4%0.0.0.0.0.0.1.00.22.20.50.60.1
5-9%0.70.30.0.0.10.11.20.31.60.50.70.1
10-25%0.70.30.0.0.10.11.80.32.00.51.00.1
26-50%0.10.10.0.0.30.20.80.21.10.40.50.1
51-75%0.20.10.10.10.20.10.30.10.10.10.20.1
76-100%0.20.10.0.0.10.10.20.10.10.10.10.0
total1.90.40.10.10.80.35.60.57.20.93.20.2
outside perimeter< 1%0.30.20.0.2.60.54.60.55.40.82.70.2
1-4%1.30.40.20.15.40.712.10.718.11.47.50.3
5-9%2.30.51.10.37.20.89.90.717.61.47.40.3
10-25%5.50.72.10.416.41.116.30.918.31.412.00.4
26-50%3.20.63.30.510.61.08.70.79.01.07.10.3
51-75%2.30.51.80.44.80.73.50.42.20.53.00.2
76-100%2.30.50.50.23.30.60.90.20.90.31.50.2
total17.31.29.00.850.41.555.91.171.41.641.20.6
total< 1%1.80.43.00.54.70.66.80.67.30.94.90.3
1-4%9.40.96.50.712.61.021.20.924.21.515.10.5
5-9%11.71.08.70.814.01.118.20.924.61.615.30.5
10-25%25.01.423.21.233.01.429.51.126.41.627.70.6
26-50%19.91.321.81.219.31.215.40.813.11.217.90.5
51-75%15.71.219.11.210.50.96.60.63.10.610.90.4
76-100%16.61.217.61.15.90.72.30.31.30.48.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860864/327195
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