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NFI4
basal area
rockfall SilvaProtect · main tree species
unit of reference: production region
unit: m²/ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
production region
JuraPlateauPre-AlpsAlpsSouthern Alps Switzerland
rockfall SilvaProtectmain tree species m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
n/aspruce9.259.2419.7517.656.02112.42
fir6.764.867.181.3180.9664.94
pine1.0141.0110.5412.5120.9531.27
larch0.1350.4150.2464.0104.1191.18
stone pine0.0.0.0.0.01001.4160.1720.316
other conifers0.2350.4230.0570.1340.0.0.217
beech9.147.345.291.8191.7396.23
maple1.581.381.3140.7221.0361.25
ash1.1112.181.2170.5261.5301.46
oak1.3141.5110.2330.4300.7371.08
chestnut0.0.0.0900.0.0.0755.8250.225
other broadleaves1.0151.3100.6191.2165.6141.26
total31.2229.3236.0331.4328.3731.31
inside perimeterspruce8.5330.807.26217.0136.03012.411
fir1.4370.0.3.0472.1341.1951.828
pine3.7570.0.0.8932.6321.2992.228
larch0.5970.0.0.0.4.2253.5453.422
stone pine0.0.0.0.0.0.0.6570.0.0.357
other conifers0.0.0.0.0.1920.0990.0.0.086
beech17.1190.0.18.3304.9213.7336.514
maple1.7410.0.0.8640.9240.5460.919
ash0.3970.0.2.0731.2361.7541.328
oak0.2760.0.0.0.0.2660.5670.344
chestnut0.0.0.0.0.0.0.3648.4342.534
other broadleaves0.7561.101.1631.7296.4232.918
total34.191.9.33.21835.8633.1934.55
outside perimeterspruce5.7126.21817.6519.938.5915.33
fir7.8105.3178.362.2101.3184.05
pine1.6310.5400.2371.4130.1470.811
larch0.01000.4680.2405.374.3103.26
stone pine0.0.0.0.0.11001.0150.01000.415
other conifers0.3640.3480.1380.0410.0910.127
beech13.379.6107.472.2106.9105.64
maple2.2132.1231.791.0110.3241.26
ash1.7244.4191.2120.5160.6231.08
oak0.3421.0320.1370.2280.9180.412
chestnut0.0.0.0.0.0.0.0645.7111.211
other broadleaves0.9171.3290.6131.1103.791.56
total33.8331.1637.4234.9232.4334.71
totalspruce8.548.9418.5318.937.9813.62
fir6.854.867.751.981.2184.43
pine1.1131.0100.4301.990.3421.16
larch0.1320.4150.2304.864.292.15
stone pine0.0.0.0.0.1761.1110.0690.311
other conifers0.2310.4220.0320.1250.0920.115
beech10.047.546.452.285.896.02
maple1.671.381.580.990.4191.24
ash1.2102.371.2100.5130.9181.25
oak1.1131.4100.2250.2200.9160.77
chestnut0.0.0.0900.0.0.0405.990.79
other broadleaves1.0121.390.6111.284.271.44
total31.7229.4236.7233.7131.8232.81
© WSL, Swiss National Forest Inventory, 17.06.2020 #875578/341910
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