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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 gap61.31.134.62.242.42.922.03.124.22.435.03.748.80.8
small gap14.90.822.21.919.02.325.23.318.42.216.72.917.30.7
medium gap10.10.720.51.914.62.123.73.321.62.323.13.314.50.6
large gap12.00.720.91.922.02.427.93.534.62.723.73.317.80.7
very large gap1.70.31.80.62.10.81.20.91.30.61.30.91.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterno gap59.23.732.82.140.12.723.72.312.41.842.42.133.91.0
small gap19.32.922.91.916.42.128.92.423.62.320.11.722.10.9
medium gap9.92.220.01.819.02.223.02.221.72.314.11.518.30.8
large gap11.62.421.61.920.72.323.82.339.42.721.41.723.60.9
very large gap0.0.2.70.73.91.10.60.42.80.92.00.62.10.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterno gap59.54.854.27.466.87.535.66.619.34.757.17.547.92.6
small gap15.63.619.45.92.52.524.45.920.54.720.26.017.42.0
medium gap14.33.46.83.84.83.317.45.235.25.615.65.417.02.0
large gap10.63.017.35.623.46.820.65.623.65.07.14.016.52.0
very large gap0.0.2.22.22.52.52.12.11.41.40.0.1.10.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
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 #885886/352218
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