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NFI4
number of forest plots
protection forest perimeter SilvaProtect · area of largest gap (aerial photo, 5 classes)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
protection forest perimeter SilvaProtectarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %± %±
outside of perimeterno gap38.41.126.21.930.72.418.62.617.11.830.42.931.50.8
small gap37.51.130.72.031.62.426.72.929.22.225.32.833.40.8
medium gap11.50.719.71.815.21.921.32.720.81.921.02.615.40.6
large gap11.30.722.61.821.02.132.93.131.42.222.62.618.40.6
very large gap1.30.30.80.41.40.60.50.51.60.60.80.51.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterno gap39.72.824.31.827.92.315.21.815.21.732.81.825.70.8
small gap39.52.834.92.034.62.533.92.325.12.133.81.933.40.9
medium gap12.11.919.41.715.81.919.82.022.02.014.21.417.30.7
large gap8.41.619.91.720.22.128.92.234.82.318.61.522.10.8
very large gap0.40.41.50.51.30.62.20.72.90.80.60.31.50.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalno gap38.61.025.31.329.31.716.41.516.21.232.11.529.10.6
small gap37.81.032.91.433.11.731.31.827.21.531.41.633.40.6
medium gap11.60.719.51.215.51.320.41.621.41.416.11.216.20.5
large gap10.90.721.21.220.61.530.31.833.01.619.71.320.00.5
very large gap1.20.21.10.31.40.41.60.52.30.50.70.31.30.1
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #875845/342177
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