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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 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 gap61.41.137.32.248.52.731.73.337.62.451.13.351.60.8
small gap14.90.821.41.916.92.121.92.914.51.712.82.216.20.6
medium gap10.10.719.41.813.01.821.22.917.31.916.92.513.60.6
large gap11.90.720.21.819.82.224.23.029.32.318.22.517.00.6
very large gap1.70.31.70.61.80.71.00.71.30.61.00.71.60.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterno gap59.23.732.82.140.82.723.52.214.81.945.02.035.01.0
small gap19.32.923.01.916.32.129.02.423.02.319.21.621.70.9
medium gap9.92.219.91.818.92.222.82.221.12.213.41.417.90.8
large gap11.62.421.61.920.22.324.12.338.42.720.51.723.20.9
very large gap0.0.2.70.73.81.10.60.42.70.91.80.62.10.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterno gap59.54.854.27.466.87.535.66.620.24.758.07.448.02.6
small gap15.63.619.45.92.52.524.45.919.94.619.85.917.32.0
medium gap14.33.46.83.84.83.317.45.235.65.615.25.317.22.0
large gap10.63.017.35.623.46.820.65.623.04.96.93.916.42.0
very large gap0.0.2.22.22.52.52.12.11.41.30.0.1.10.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totalno gap61.11.035.91.546.01.927.31.826.61.547.31.745.30.6
small gap15.30.822.11.315.81.426.21.818.51.417.51.318.30.5
medium gap10.30.719.11.215.21.421.81.720.51.414.41.215.40.5
large gap11.90.720.71.320.21.523.91.732.51.619.21.319.20.5
very large gap1.50.32.20.52.80.60.90.41.90.51.50.41.70.2
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #885888/352220
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