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NFI4
number of forest plots
processes in channels SilvaProtect · area of largest gap (aerial photo, 5 classes)
unit of reference: production region
unit: %
unit of evaluation: forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
processes in channels SilvaProtectarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %±
n/an/a0.40.20.50.21.40.42.50.33.90.61.80.2
no gap33.21.532.81.411.11.07.80.67.30.916.80.4
small gap29.11.435.31.416.41.111.90.76.40.818.80.5
medium gap9.50.910.30.99.10.98.60.65.30.78.60.4
large gap8.60.910.70.910.70.912.50.75.80.810.30.4
very large gap0.70.31.60.40.70.30.30.10.10.10.70.1
total81.51.291.20.849.41.543.61.028.81.456.90.5
inside perimetern/a0.0.0.0.1.30.31.60.33.10.61.20.1
no gap4.00.62.50.511.41.07.60.619.91.38.60.3
small gap3.90.63.30.516.81.114.30.720.91.312.10.4
medium gap1.40.40.20.18.20.89.60.69.40.96.30.3
large gap0.90.30.80.38.50.814.00.712.41.18.40.3
very large gap0.0.0.10.10.50.21.10.20.40.20.50.1
total10.10.96.90.746.71.548.21.066.01.537.20.5
outside perimetern/a0.10.10.0.0.0.0.40.10.20.10.20.1
no gap3.30.60.80.31.50.42.00.32.40.52.00.2
small gap2.60.51.00.31.50.42.30.32.00.51.90.2
medium gap1.90.40.0.0.40.21.50.30.30.20.90.1
large gap0.50.20.20.10.30.21.90.30.20.20.90.1
very large gap0.0.0.0.0.10.10.10.10.0.0.10.0
total8.40.91.90.43.90.68.20.65.20.75.90.3
totaln/a0.50.20.50.22.70.54.50.47.20.83.20.2
no gap40.51.536.11.424.01.317.40.829.61.527.30.5
small gap35.61.539.61.434.71.428.51.029.31.532.80.6
medium gap12.71.110.50.917.71.119.60.915.01.215.90.5
large gap10.00.911.60.919.61.128.41.018.41.219.50.5
very large gap0.70.31.70.41.30.31.60.30.50.21.30.1
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 10.07.2020 #875889/342221
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