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NFI4b
number of forest plots
processes in channels SilvaProtect · area of largest gap (aerial photo, 5 classes)
unit of reference: biogeographical region
unit: %
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: grid NFI4 2009-2013
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
processes in channels SilvaProtectarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %± %±
n/ano gap38.72.434.71.923.32.212.94.610.82.840.66.731.01.1
small gap36.82.438.91.930.62.430.86.228.94.122.35.735.01.2
medium gap11.51.613.91.418.62.127.26.023.93.920.45.515.60.9
large gap12.41.610.71.227.32.427.36.035.64.416.75.117.30.9
very large gap0.70.41.70.50.30.31.81.80.80.8.0.01.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterno gap41.56.836.56.121.61.915.22.88.32.531.22.823.31.2
small gap37.76.747.66.332.72.129.73.623.33.935.42.933.01.4
medium gap5.73.24.82.719.91.824.83.425.84.013.22.118.11.1
large gap15.14.911.14.023.92.029.13.538.34.419.52.424.01.3
very large gap.0.0.0.01.90.61.20.94.21.80.80.51.60.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterno gap41.56.830.812.852.86.914.86.812.15.733.39.634.63.3
small gap32.16.461.513.524.55.944.39.630.38.050.010.235.43.4
medium gap17.05.27.77.411.34.411.16.030.38.012.56.815.82.6
large gap9.44.0.0.011.44.429.88.827.37.84.24.114.22.4
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 gap39.22.134.81.824.11.414.62.39.91.832.82.528.30.8
small gap36.42.140.11.831.31.631.53.026.62.734.32.634.30.9
medium gap11.41.412.91.318.91.323.92.725.52.614.31.916.60.7
large gap12.41.410.61.124.51.428.82.935.82.918.02.119.60.7
very large gap0.60.31.50.51.10.41.20.72.20.90.60.41.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #151272/137652
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