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NFI2
basal area
rockfall SilvaProtect · main tree species
unit of reference: production region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state1993/95
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectmain tree species m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
n/aspruce9.7513.0422.2414.354.42113.62
fir5.664.666.480.9180.6664.24
pine1.1131.4100.4382.2120.8501.37
larch0.1320.5180.1483.292.7181.07
stone pine0.0.0.0.0.01001.1170.0830.217
other conifers0.1460.3230.0670.1370.0.0.118
beech9.147.344.491.7190.9395.83
maple1.280.990.9130.4200.4380.95
ash1.0121.791.0160.3280.5351.16
oak1.2131.7100.2350.2330.5401.07
chestnut0.0.0.0810.0.0.1755.6270.326
other broadleaves1.0131.3100.7191.1153.5171.16
total30.0232.7236.4325.6319.9930.61
inside perimeterspruce6.43815.409.86614.6134.83310.812
fir2.8560.0.1.8531.8330.8991.627
pine4.2540.0.0.8932.4291.0992.126
larch0.6970.0.0.0.3.7252.4422.821
stone pine0.0.0.0.0.0.0.8610.0.0.561
other conifers0.0.0.0.0.0.0.0700.0.0.070
beech16.1200.0.19.7344.5222.4325.715
maple2.1465.300.8520.7240.4500.820
ash0.3703.9.2.0680.9350.6430.825
oak0.0980.0.1.5930.1670.6560.340
chestnut0.0.0.0.0.0.0.3607.5382.337
other broadleaves1.2571.401.0761.4294.8212.317
total33.6926.0037.42031.3625.21230.15
outside perimeterspruce6.6118.71419.2417.836.9914.52
fir6.7115.8177.761.6101.0203.55
pine1.6300.5420.2351.5120.1470.910
larch0.01000.4690.1454.573.692.86
stone pine0.0.0.0.0.01000.8150.0.0.415
other conifers0.1690.1510.0450.0530.01000.029
beech12.079.1117.071.9105.0134.85
maple1.7131.8231.4100.7120.2310.97
ash1.7253.7170.9130.3180.4220.78
oak0.2521.0290.1350.1270.8210.313
chestnut0.0.0.0.0.0.0.0584.8111.011
other broadleaves0.9170.7290.8140.9103.191.36
total31.6331.8437.6230.3225.7331.21
totalspruce9.1412.6420.6316.336.2813.92
fir5.754.767.051.480.9193.83
pine1.3121.3100.3271.880.3371.25
larch0.1300.4170.1334.053.381.84
stone pine0.0.0.0.0.0770.9110.0840.311
other conifers0.1390.3220.0400.1290.01000.116
beech9.747.545.962.094.1125.42
maple1.371.091.180.6100.2220.94
ash1.1111.981.0100.4140.5170.95
oak1.0131.790.2250.2210.7180.76
chestnut0.0.0.0810.0.0.1435.2100.610
other broadleaves1.0111.290.7111.083.371.34
total30.4232.6137.0228.6124.6330.91
© WSL, Swiss National Forest Inventory, 17.06.2020 #875577/341909
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