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NFI4b

forest area: rockfall SilvaProtect, modelled and assigned · stem count/ha (DBH >= 36cm, classified) · economic region
unit: 1000 ha
unit of evaluation: accessible forest excluding shrub forest NFI1/NFI2/NFI3/NFI4 combined
grid:
state 2009/13
rockfall SilvaProtect, modelled and assigned
inside perimeteroutside perimetertotal
economic regionstem count/ha (DBH >= 36cm, classified)1000 ha± %1000 ha± %1000 ha± %
Western Jura0-100 stems/ha1.45074.2575.75
101-200 stems/ha1.45057.5658.96
201-300 stems/ha..12.81612.816
301-400 stems/ha..1.4501.450
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total2.935146.02148.92
Eastern Jura0-100 stems/ha0.410025.7926.18
101-200 stems/ha..17.41217.412
201-300 stems/ha..3.5333.533
301-400 stems/ha......
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total0.410046.6347.03
Western Plateau0-100 stems/ha..23.81023.810
101-200 stems/ha..16.41316.413
201-300 stems/ha..5.7265.726
301-400 stems/ha..0.8700.870
401-500 stems/ha..0.41000.4100
501- 600 stems/ha......
more than 600 stems/ha......
total..47.2447.24
Central Plateau0-100 stems/ha0.310041.0641.46
101-200 stems/ha..19.81119.811
201-300 stems/ha..6.5216.521
301-400 stems/ha..0.6710.671
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha..0.41000.4100
total0.310068.4268.72
Eastern Plateau0-100 stems/ha..65.1565.15
101-200 stems/ha..37.5837.58
201-300 stems/ha..6.1246.124
301-400 stems/ha..1.4501.450
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total..110.12110.12
Western Pre-Alps0-100 stems/ha0.410020.01120.411
101-200 stems/ha..12.61512.615
201-300 stems/ha..5.9245.924
301-400 stems/ha..1.5491.549
401-500 stems/ha..0.7710.771
501- 600 stems/ha......
more than 600 stems/ha......
total0.410040.7441.14
Central Pre-Alps0-100 stems/ha1.15848.4749.56
101-200 stems/ha0.410033.3933.79
201-300 stems/ha..8.6208.620
301-400 stems/ha..2.5372.537
401-500 stems/ha..0.41000.4100
501- 600 stems/ha......
more than 600 stems/ha......
total1.45093.2394.72
Eastern Pre-Alps0-100 stems/ha0.410027.9928.29
101-200 stems/ha0.77121.41122.111
201-300 stems/ha..16.41316.413
301-400 stems/ha..2.1402.140
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total1.15767.9368.93
Northwestern Alps0-100 stems/ha2.14029.3931.58
101-200 stems/ha1.15713.91515.014
201-300 stems/ha0.7715.4256.123
301-400 stems/ha0.41000.7711.157
401-500 stems/ha..1.1571.157
501- 600 stems/ha......
more than 600 stems/ha......
total4.32850.4554.74
Central Alps0-100 stems/ha0.7709.0189.717
101-200 stems/ha1.7445.8227.619
201-300 stems/ha0.7703.1323.829
301-400 stems/ha0.31000.31000.770
401-500 stems/ha..0.31000.3100
501- 600 stems/ha......
more than 600 stems/ha......
total3.43018.61022.18
Northeastern Alps0-100 stems/ha1.84412.51514.313
101-200 stems/ha0.7708.6189.317
201-300 stems/ha0.7703.6304.327
301-400 stems/ha..0.7700.770
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total3.23225.4828.76
Southwestern Alps0-100 stems/ha5.82451.8657.76
101-200 stems/ha2.14125.71027.810
201-300 stems/ha..6.5226.522
301-400 stems/ha0.31001.0581.450
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha..0.31000.3100
total8.22085.4493.73
Southeastern Alps0-100 stems/ha0.77165.3666.06
101-200 stems/ha1.45039.4840.88
201-300 stems/ha..10.51810.518
301-400 stems/ha..1.8451.845
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total2.141116.93119.03
Southern Alps0-100 stems/ha8.52074.7583.25
101-200 stems/ha1.84526.51128.310
201-300 stems/ha..7.1227.122
301-400 stems/ha..0.7710.771
401-500 stems/ha......
501- 600 stems/ha......
more than 600 stems/ha......
total10.318109.04119.33
Switzerland0-100 stems/ha23.612568.82592.42
101-200 stems/ha11.318336.03347.33
201-300 stems/ha2.141101.86103.96
301-400 stems/ha1.05815.71516.715
401-500 stems/ha..2.9352.935
501- 600 stems/ha......
more than 600 stems/ha..0.7710.771
total38.091025.911063.91

calculated by unit of reference: economic region

© WSL, Swiss National Forest Inventory, 07.11.2014 #163596/149976
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