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NFI4b

forest area: avalanches 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
avalanches 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%......1.450..1.450
21-40%0.4100..0.7714.5280.41005.924
41-60%....2.53814.9152.53819.913
61-80%1.845..4.03017.3145.32528.411
over 80%2.638..5.42622.5124.32934.710
total4.727..12.61660.5712.41690.36
outside perimeter0-20%2.9352.8352.2412.1411.15811.018
21-40%2.2414.6276.52318.1141.84533.110
41-60%13.11612.61625.61166.579.619127.55
61-80%44.2848.8863.1789.9628.710274.73
over 80%128.53157.4394.8577.5665.86524.12
total190.92226.31192.12254.22106.94970.41
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 #163332/149712
search result: 1 entry on 1 page

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