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NFI3
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: 1.4 x 1.4 km grid
state2004/06
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
processes in channels SilvaProtectarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %± %±
n/ano gap53.21.115.91.219.21.66.61.010.71.27.51.027.20.5
small gap12.90.710.21.08.61.17.61.18.21.03.60.79.70.4
medium gap8.80.69.40.96.61.07.11.19.61.14.90.88.10.4
large gap10.40.79.60.99.91.28.41.215.41.35.10.89.90.4
very large gap1.50.30.80.30.90.40.40.30.60.30.30.20.90.1
total86.70.746.01.645.22.030.11.944.51.821.31.555.80.6
inside perimeterno gap5.00.516.21.219.51.514.41.55.70.830.81.712.90.4
small gap1.60.311.31.08.01.117.61.610.81.214.61.38.40.4
medium gap0.80.29.80.99.21.114.01.49.91.110.21.17.00.3
large gap1.00.210.71.010.11.214.41.517.91.415.61.39.00.4
very large gap0.0.1.30.41.90.50.40.31.30.41.40.40.80.1
total8.40.649.31.648.62.060.82.045.51.872.71.638.00.6
outside perimeterno gap2.90.42.50.54.20.83.20.71.90.53.40.73.00.2
small gap0.80.20.90.30.20.22.20.62.00.51.20.41.10.1
medium gap0.70.20.30.20.30.21.60.53.50.70.90.31.10.1
large gap0.50.20.80.31.50.51.90.62.40.60.40.21.00.1
very large gap0.0.0.10.10.20.20.20.20.10.10.0.0.10.0
total4.90.54.70.76.21.09.11.210.01.16.00.96.20.3
totalno gap61.11.034.71.542.81.924.21.818.31.441.71.743.10.6
small gap15.30.822.41.316.71.527.41.921.01.519.41.419.10.5
medium gap10.30.719.61.316.11.422.71.723.01.616.11.316.10.5
large gap11.90.721.11.321.41.624.71.835.71.821.11.519.90.5
very large gap1.50.32.20.53.00.70.90.42.00.51.70.51.80.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #885848/352180
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