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NFI4
number of forest plots
protection forest perimeter 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
protection forest perimeter SilvaProtectarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %±
outside of perimetern/a0.50.30.60.22.80.75.80.813.52.13.20.3
no gap40.61.735.91.522.61.817.81.225.42.629.40.7
small gap35.81.738.81.533.22.027.31.422.22.533.00.8
medium gap11.71.111.31.018.41.719.61.318.32.315.20.6
large gap10.61.111.81.021.61.728.71.520.12.418.10.6
very large gap0.90.31.70.41.50.50.70.30.40.41.10.2
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimetern/a0.50.50.0.2.60.73.50.54.60.83.20.3
no gap40.13.538.04.725.51.817.01.131.31.824.60.8
small gap34.93.447.84.936.22.029.41.332.21.832.50.9
medium gap17.12.72.91.617.11.619.61.113.61.316.90.7
large gap7.41.910.33.017.61.628.21.317.71.521.40.8
very large gap0.0.1.01.01.10.42.20.40.60.31.40.2
total100.0.100.0.100.0.100.0.100.0.100.0.
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 #875860/342192
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