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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover of regeneration (7 classes) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assigneddegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter< 1%......2.141..2.141
1-4%......2.4382.5384.927
5-9%1.550..0.41005.2262.5389.519
10-25%1.550..0.41006.2233.23311.218
26-50%....1.1583.1331.8456.024
51-75%0.41000.41000.7711.450..2.835
76-100%....0.41000.7710.41001.450
total3.3330.41002.93521.11210.31837.99
outside perimeter< 1%4.7287.4229.71920.0138.12050.08
1-4%15.31514.41527.81158.4724.811140.75
5-9%22.31219.31328.11154.0726.911150.65
10-25%45.3850.6768.8693.5529.410287.63
26-50%39.8948.5837.1944.4814.515184.24
51-75%31.81041.8818.41315.6154.229111.85
76-100%33.21043.9811.9177.6211.15897.76
total192.42225.91201.82293.52109.041022.71
total< 1%4.7287.4229.71922.1128.12052.18
1-4%15.31514.41527.81160.9727.311145.65
5-9%23.71219.31328.51159.2729.410160.14
10-25%46.7850.6769.2699.7532.69298.93
26-50%39.8948.5838.2947.5816.314190.24
51-75%32.11042.2819.11317.0144.229114.65
76-100%33.21043.9812.3178.3201.45099.26
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163647/150027
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