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NFI3

forest area: rockfall 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
rockfall 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%....0.41000.771....1.158
21-40%..............
41-60%0.4100..1.8451.450..0.7714.229
61-80%....1.8452.7350.7712.1417.422
over 80%2.9350.7719.6193.4311.4507.52125.512
total3.2330.77113.5168.2202.14110.31838.19
outside perimeter0-20%1.4501.8456.8231.0582.5381.15814.616
21-40%2.9353.53111.8174.4278.1201.15831.910
41-60%9.7195.32635.81015.11418.6138.92093.56
61-80%21.61217.71460.0720.61230.01026.611176.44
over 80%150.23224.92186.7335.2835.3874.45706.71
total185.92253.21301.1276.4494.63112.131023.21
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 #160305/146684
search result: 1 entry on 1 page

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