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NFI2

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 1993/95
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%......0.771..0.771
21-40%......1.450..1.450
41-60%0.4100..0.7714.5282.5388.121
61-80%0.4100..0.7717.3221.84510.118
over 80%2.6380.41001.4507.3226.02417.614
total3.3330.41002.93521.11210.31837.99
outside perimeter0-20%2.2411.4502.93510.1180.77117.314
21-40%6.6232.8357.92136.096.42359.77
41-60%14.6159.51929.21078.9621.912154.14
61-80%56.2748.5868.5693.5531.110297.83
over 80%112.84163.7393.4575.0648.97493.82
total192.42225.91201.82293.52109.041022.71
total0-20%2.2411.4502.93510.8180.77118.014
21-40%6.6232.8357.92137.496.42361.17
41-60%15.0159.51929.91083.4624.411162.14
61-80%56.6748.5869.26100.7532.99307.93
over 80%115.44164.1394.8582.3654.97511.42
total195.71226.31204.72314.62119.331060.61

calculated by unit of reference: production region

© WSL, Swiss National Forest Inventory, 04.11.2014 #156511/142890
search result: 1 entry on 1 page

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