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NFI3

forest area: avalanches SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 classes) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2004/06
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assigneddegree of cover (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-20%....0.41000.4100..0.41001.158
21-40%....2.1411.0580.771..3.930
41-60%0.4100..4.3294.8261.8441.45012.617
61-80%0.771..5.3266.2236.0244.62722.812
over 80%3.631..24.81210.6174.6276.82350.48
total4.727..36.9922.91113.11613.21690.86
outside perimeter0-20%1.4501.8456.8231.4502.5380.77114.616
21-40%2.9353.5319.6193.4317.4211.15828.011
41-60%9.7195.32633.41011.71616.9148.22085.16
61-80%20.91217.71456.5717.11324.71124.111161.04
over 80%149.53225.62171.5328.01032.2975.15681.81
total184.52253.91277.7261.6583.64109.24970.61
total0-20%1.4501.8457.1221.7452.5381.15815.715
21-40%2.9353.53111.8174.4278.1201.15831.910
41-60%10.1195.32637.6916.51418.6139.61997.76
61-80%21.61217.71461.8723.31130.7928.710183.84
over 80%153.13225.62196.3338.6836.7881.85732.21
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 03.11.2014 #160115/146494
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