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NFI4b
number of forest plots
processes in channels SilvaProtect · area of largest gap (aerial photo, 5 classes)
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: grid NFI4 2009-2013
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtectarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %± %±
n/ano gap37.11.521.72.627.73.612.53.513.12.529.84.930.21.1
small gap37.71.532.02.926.53.525.84.625.83.220.84.433.41.1
medium gap12.41.022.12.616.02.925.84.623.23.118.54.216.10.9
large gap11.51.024.12.729.23.634.85.136.83.630.95.019.40.9
very large gap1.30.4.0.00.60.61.11.11.10.8.0.01.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterno gap36.35.018.72.330.63.416.02.611.42.429.42.622.91.2
small gap45.15.234.22.831.33.428.53.225.13.334.12.732.41.3
medium gap6.62.621.12.414.72.623.03.024.63.314.12.018.11.1
large gap12.13.424.62.621.23.030.53.335.43.621.72.424.91.2
very large gap.0.01.40.72.11.02.01.03.41.40.70.51.60.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterno gap40.36.246.49.446.29.817.27.017.15.930.89.133.13.2
small gap37.16.125.08.230.89.144.79.226.86.953.89.835.83.3
medium gap14.54.514.36.615.47.110.35.726.86.911.56.316.02.5
large gap8.13.514.36.67.75.227.78.329.37.13.83.815.02.4
very large gap.0.0.0.0.0.0.0.0.0.0.0.0.0.0
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalno gap37.21.421.41.730.42.415.12.012.81.729.62.327.70.8
small gap38.21.432.72.029.22.429.22.625.62.232.62.333.20.8
medium gap12.10.921.21.715.31.922.62.324.22.114.81.816.80.7
large gap11.40.923.91.823.72.231.52.635.42.422.52.121.20.7
very large gap1.20.30.70.41.30.61.60.72.00.70.50.31.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #151232/137612
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