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NFI4
forest area
rockfall SilvaProtect · degree of cover of assured regeneration
unit of reference: production region
unit: %
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectdegree of cover of assured regeneration %± %± %± %± %± %±
n/aless than 1%2.90.55.20.73.40.53.60.43.20.63.70.2
1-4%9.70.99.40.98.20.89.00.65.30.88.60.4
5-9%10.81.09.80.98.40.87.10.64.90.88.20.4
10-25%22.41.322.81.215.41.112.60.76.40.915.90.5
26-50%15.31.118.81.28.00.85.00.53.00.69.60.4
51-75%11.01.014.41.05.00.72.50.30.70.36.40.3
76-100%8.90.910.50.91.70.40.70.20.20.24.00.2
total81.11.290.90.850.11.540.41.123.71.556.30.6
inside perimeterless than 1%0.0.0.0.0.0.0.40.10.10.10.10.0
1-4%0.20.10.0.0.0.1.20.22.20.50.70.1
5-9%0.80.30.0.0.10.11.10.21.70.50.70.1
10-25%0.40.20.0.0.20.11.90.32.00.51.00.1
26-50%0.10.10.0.0.20.10.70.20.60.30.40.1
51-75%0.40.20.10.10.20.10.30.10.10.10.20.1
76-100%0.0.0.0.0.10.10.20.10.10.10.10.0
total1.90.40.10.10.70.35.70.57.00.93.20.2
outside perimeterless than 1%0.50.20.30.23.30.56.20.57.70.93.80.2
1-4%1.60.40.50.26.80.811.90.717.71.37.90.3
5-9%3.20.50.80.37.10.89.80.716.71.37.40.3
10-25%5.30.73.10.517.51.115.70.817.91.412.20.4
26-50%3.00.52.70.59.10.97.70.66.50.96.10.3
51-75%2.30.51.40.33.50.62.10.32.00.52.20.2
76-100%1.20.30.30.21.90.40.50.20.90.30.90.1
total17.11.29.00.849.21.553.91.169.31.640.40.6
totalless than 1%3.40.65.50.76.60.710.20.711.01.17.60.3
1-4%11.51.09.90.915.01.122.10.925.21.517.10.5
5-9%14.71.110.60.915.71.117.90.923.31.516.30.5
10-25%28.11.425.91.333.11.430.21.026.41.629.10.6
26-50%18.41.221.51.217.31.113.40.810.11.116.10.5
51-75%13.61.115.91.18.70.94.90.52.80.68.90.4
76-100%10.10.910.70.93.70.61.30.31.20.45.00.3
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #860532/326863
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