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NFI4b

forest area: avalanches SilvaProtect, modelled and assigned · stem count/ha (DBH >= 24cm, classified) · biogeographical region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
biogeographical region
JuraPlateauNorthern AlpsWestern Central-AlpsEastern Central-AlpsSouthern AlpsSwitzerland
avalanches SilvaProtect, modelled and assignedstem count/ha (DBH >= 24cm, classified)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
inside perimeter0-100 stems/ha....6.0244.1282.8353.63116.614
101-200 stems/ha....9.9197.2214.6274.32926.011
201-300 stems/ha2.538..8.5204.8262.1412.83520.813
301-400 stems/ha1.450..5.3263.4312.5371.15813.716
401-500 stems/ha0.771..3.2331.7441.1581.1587.721
501- 600 stems/ha....2.5380.771....3.233
more than 600 stems/ha....1.4501.058..0.41002.835
total4.727..36.9922.91113.11613.21690.86
outside perimeter0-100 stems/ha44.3871.8662.4722.31123.21133.59257.53
101-200 stems/ha52.6774.3675.5618.51324.01128.510273.53
201-300 stems/ha45.7860.1763.178.91917.71321.612217.14
301-400 stems/ha23.81231.11035.1107.92010.21815.015123.15
401-500 stems/ha9.02011.31721.3133.1336.0247.52158.28
501- 600 stems/ha6.1242.53811.0180.31001.8442.14123.812
more than 600 stems/ha2.9352.8359.2190.7710.7711.15817.414
total184.52253.91277.7261.6583.64109.24970.61
total0-100 stems/ha44.3871.8668.5726.41026.01037.09274.03
101-200 stems/ha52.6774.3685.5625.71028.61032.89299.43
201-300 stems/ha48.3860.1771.6613.71519.81224.511237.93
301-400 stems/ha25.21131.11040.4911.31712.71616.014136.85
401-500 stems/ha9.71911.31724.5124.8267.1228.52065.97
501- 600 stems/ha6.1242.53813.5161.0581.8442.14127.011
more than 600 stems/ha2.9352.83510.6181.7450.7711.45020.213
total189.11253.91314.6284.6496.73122.431061.31

calculated by unit of reference: biogeographical region

© WSL, Swiss National Forest Inventory, 07.11.2014 #163388/149768
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