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NFI4b
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: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: grid NFI4 2009-2013
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
processes in channels SilvaProtectarea of largest gap (aerial photo, 5 classes) %± %± %± %± %± %±
n/ano gap40.92.434.21.924.42.714.52.041.06.931.11.1
small gap36.12.339.22.032.82.929.12.623.66.035.01.2
medium gap10.61.513.81.419.52.423.02.417.75.415.60.9
large gap11.71.510.91.322.92.632.82.717.75.417.20.9
very large gap0.70.41.90.60.40.40.70.5.0.01.00.2
total100.0.100.0.100.0.100.0.100.0.100.0.
inside perimeterno gap40.76.730.57.722.52.517.01.731.72.923.31.2
small gap38.96.655.68.335.02.928.52.035.13.033.01.4
medium gap5.63.15.63.820.02.422.11.813.02.118.11.1
large gap14.84.88.34.621.82.529.72.019.42.424.01.3
very large gap.0.0.0.00.70.52.70.70.80.51.60.4
total100.0.100.0.100.0.100.0.100.0.100.0.
outside perimeterno gap40.47.242.913.246.29.827.24.633.39.634.63.3
small gap31.96.850.013.430.89.132.64.950.010.235.43.4
medium gap19.25.7.0.019.27.716.33.812.56.815.82.6
large gap8.54.17.16.93.83.723.94.54.24.114.12.4
very large gap.0.0.0.0.0.0.0.0.0.0.0.0
total100.0.100.0.100.0.100.0.100.0.100.0.
totalno gap40.92.134.21.924.51.817.21.333.22.628.40.8
small gap36.02.140.41.933.82.029.11.534.52.634.30.9
medium gap10.81.313.01.319.71.721.81.413.71.916.60.7
large gap11.81.410.71.221.51.730.11.518.12.119.60.7
very large gap0.60.31.70.50.50.31.80.40.60.41.20.2
total100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 29.12.2015 #151274/137654
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