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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · degree of cover (aerial photo, 5 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 (aerial photo, 5 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-20%......0.31000.41000.771
21-40%0.4100....1.158..1.450
41-60%......3.5320.7714.229
61-80%0.771..1.8455.5252.14110.218
over 80%2.2410.41001.15810.7187.12221.413
total3.3330.41002.93521.11210.31837.99
outside perimeter0-20%2.9352.8352.2413.1330.77111.717
21-40%2.2414.6277.22221.5122.14137.610
41-60%13.11612.61628.11177.9611.417143.25
61-80%45.3848.8865.26101.7531.810292.93
over 80%128.93157.1399.1589.3662.96537.32
total192.42225.91201.82293.52109.041022.71
total0-20%2.9352.8352.2413.5321.15812.417
21-40%2.5384.6277.22222.6122.14139.09
41-60%13.11612.61628.11181.4612.117147.45
61-80%46.0848.8867.06107.2534.09303.13
over 80%131.13157.43100.25100.0570.05558.72
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #163522/149902
search result: 1 entry on 1 page

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