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NFI4
number of forest plots
landslide/mudflow SilvaProtect · area of largest gap (aerial photo, 5 classes)
unit of reference: production region
unit: %
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
landslide/mudflow SilvaProtectarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %±
n/ano gap33.41.532.91.413.31.09.90.68.50.918.20.5
small gap29.01.435.31.416.71.112.70.77.10.919.30.5
medium gap9.50.910.30.99.10.99.00.65.90.88.90.4
large gap8.50.910.90.910.70.913.20.76.30.810.60.4
very large gap0.70.31.60.40.70.30.40.10.20.20.70.1
total81.11.290.90.850.61.545.21.028.01.457.70.5
inside perimeterno gap3.80.61.10.32.50.52.80.36.20.83.10.2
small gap2.60.51.00.32.20.44.10.44.90.73.10.2
medium gap1.80.40.10.10.60.22.50.31.50.41.50.1
large gap0.80.30.40.20.70.33.60.43.10.62.00.2
very large gap0.0.0.0.0.0.0.30.10.0.0.10.0
total9.00.92.60.56.10.713.30.715.71.29.70.4
outside perimeterno gap3.90.62.30.410.40.97.10.517.41.37.80.3
small gap4.00.63.40.516.01.112.50.719.41.311.10.4
medium gap1.50.40.20.18.00.88.60.68.80.95.90.3
large gap0.60.20.50.28.40.812.30.710.31.07.40.3
very large gap0.0.0.10.10.50.21.00.20.40.20.50.1
total10.00.96.50.743.31.541.51.056.31.632.60.5
totalno gap41.01.536.31.426.31.319.80.832.11.529.00.6
small gap35.71.539.61.434.91.429.31.031.41.633.50.6
medium gap12.71.110.60.917.81.120.00.916.11.216.20.5
large gap9.90.911.90.919.81.129.21.019.71.320.00.5
very large gap0.70.31.60.41.30.31.70.30.70.31.30.1
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #876035/342367
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