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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · basal area (standing live trees) · production region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI3/NFI4 combined
grid:
state 2009/13
production region
JuraPlateauPre-AlpsAlpsSouthern AlpsSwitzerland
rockfall SilvaProtect, modelled and assignedbasal area (standing live trees)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeterto 19 m2/ha0.7710.41000.41008.3203.53113.316
20-39 m2/ha2.241..1.4505.5255.32514.515
40-59 m2/ha0.4100..1.1585.9242.1419.519
from 60 m2/ha......3.1330.41003.532
total3.3330.41002.93522.81211.41740.79
outside perimeterto 19 m2/ha45.3871.3648.38119.0551.67335.53
20-39 m2/ha100.4492.8569.96124.9452.07439.92
40-59 m2/ha44.2851.0764.5673.0624.111256.73
from 60 m2/ha7.72113.71630.31027.0116.72285.46
total197.51228.81213.02343.92134.431117.61
totalto 19 m2/ha46.0871.7648.78127.3555.17348.83
20-39 m2/ha102.6492.8571.46130.4457.36454.42
40-59 m2/ha44.5851.0765.6678.9626.211266.23
from 60 m2/ha7.72113.71630.31030.1107.12288.96
total200.81229.11215.92366.71145.721158.21

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 03.11.2014 #164851/151233
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