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NFI4
forest area
processes in channels SilvaProtect · degree of cover of assured regeneration
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
processes in channels SilvaProtectdegree of cover of assured regeneration %± %± %± %± %± %±
n/aless than 1%2.60.55.20.73.10.53.00.42.40.63.30.2
1-4%8.90.99.20.97.90.98.60.73.60.78.00.4
5-9%10.91.09.70.98.10.96.20.63.40.77.80.4
10-25%22.51.323.01.215.01.110.90.84.70.915.60.5
26-50%15.81.219.01.27.30.83.30.41.80.59.40.4
51-75%11.41.014.51.14.70.71.60.30.50.36.50.3
76-100%9.00.910.60.91.50.40.60.20.0.4.30.3
total81.01.391.10.847.71.634.21.216.31.555.10.6
inside perimeterless than 1%0.20.20.20.13.20.56.60.69.41.23.80.3
1-4%1.00.30.40.26.60.812.40.820.61.67.70.4
5-9%1.80.40.40.27.00.810.30.818.71.67.10.3
10-25%3.60.62.50.516.91.216.60.919.91.611.80.4
26-50%1.80.42.50.58.80.97.40.75.60.95.40.3
51-75%1.50.41.00.33.60.62.00.42.10.62.00.2
76-100%0.40.20.10.11.90.40.60.21.00.40.80.1
total10.41.07.00.848.01.655.91.277.31.738.40.6
outside perimeterless than 1%0.30.20.10.10.30.21.10.30.20.20.50.1
1-4%0.70.30.10.10.50.22.30.41.50.51.10.1
5-9%2.20.50.30.20.50.21.60.31.50.51.20.2
10-25%2.00.40.60.21.70.43.00.42.10.62.00.2
26-50%1.40.40.20.10.90.31.20.31.00.40.90.1
51-75%1.10.30.50.20.20.10.50.20.0.0.50.1
76-100%0.90.30.10.10.10.10.20.10.0.0.30.1
total8.50.91.90.44.30.69.80.76.31.06.50.3
totalless than 1%3.20.65.50.76.60.810.70.811.91.37.60.4
1-4%10.61.09.70.915.01.123.31.025.71.716.90.5
5-9%15.01.210.40.915.61.118.11.023.71.716.10.5
10-25%28.01.426.11.333.71.530.51.126.81.829.30.6
26-50%19.01.321.61.217.01.211.80.88.41.115.80.5
51-75%14.01.115.91.18.60.94.20.52.50.69.10.4
76-100%10.21.010.80.93.50.61.40.31.00.45.30.3
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 18.06.2020 #858563/324894
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