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IFN4
surface terrière
classe de diamètre(DHP) · essence principale
unité d'interprétation: région de forêt protectrice
unité: m²/ha
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 x 1,4 km
état2009/17
région de forêt protectrice
Plateau/Juranord des Alpes ouestnord des Alpes estsud-ouest des Alpessud-est des AlpesSud des Alpes Suisse
classe de diamètre(DHP)essence principale m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
12,0 à 15,9 cmépicéa0.370.570.580.580.770.2120.43
sapin0.270.290.2130.0280.0440.0300.15
pin0.0380.0420.0490.1250.1180.0790.013
mélèze0.0640.0420.0440.2150.1240.1140.110
arole0.0.0.0.0.0710.0240.1200.0630.015
autres résineux0.0230.0470.0410.0550.0270.0760.015
hêtre0.350.2110.2120.1260.0240.3110.24
érable0.180.1130.1190.1220.0300.1230.16
frêne0.1100.1180.1210.0270.0300.1190.17
chêne0.0270.0620.0510.1280.01000.0240.015
châtaignier0.0710.0.0.0.0.0860.0.0.2180.018
autres feuillus0.180.2110.2160.3110.2160.590.24
total1.231.341.351.451.451.651.32
16,0 à 23,9 cmépicéa0.961.561.481.382.160.6111.23
sapin0.570.580.4120.1200.0300.1270.35
pin0.0300.1400.0410.4180.3170.0710.111
mélèze0.0350.0390.0460.7110.3170.4130.27
arole0.0.0.01000.01000.1190.2180.01000.013
autres résineux0.0230.0650.0330.0640.0330.0.0.016
hêtre0.850.690.7100.2240.1200.9110.64
érable0.380.3110.3140.1190.0330.1210.25
frêne0.290.1160.3180.1270.1320.2170.27
chêne0.1180.0430.01000.1270.0530.1230.112
châtaignier0.0740.0.0.0.0.0710.0.0.8130.113
autres feuillus0.380.2130.4170.5130.4181.280.45
total3.133.343.653.853.654.343.52
24,0 à 35,9 cmépicéa1.763.653.472.784.061.3112.63
sapin0.971.090.8120.2230.1280.1270.65
pin0.2160.1450.2330.7160.5170.1560.39
mélèze0.1250.0440.0421.3100.7121.0110.46
arole0.0.0.01000.0720.5190.4180.01000.113
autres résineux0.1250.0570.0590.0.0.0580.0.0.021
hêtre1.951.391.490.3230.2211.2111.34
érable0.580.5110.7140.1280.1320.1260.46
frêne0.490.3190.4160.2400.1380.3220.37
chêne0.3130.0420.0720.1360.0740.3200.110
châtaignier0.01000.0.0.0.0.0720.01001.1120.212
autres feuillus0.3100.2200.3170.4180.1271.3100.46
total6.437.147.346.456.246.946.71
36,0 à 51,9 cmépicéa2.846.245.663.666.042.0104.12
sapin1.751.771.590.3230.2220.2211.14
pin0.5100.2350.2250.6170.6150.1420.47
mélèze0.1190.0380.2332.481.4101.2100.65
arole0.0.0.0660.0730.4190.4150.0.0.112
autres résineux0.1270.01000.0.0.0.0.0.0.01000.026
hêtre3.231.682.380.2250.3241.1111.93
érable0.470.4130.6110.1410.1520.1330.35
frêne0.780.2160.5140.1400.0440.2230.46
chêne0.4100.1390.0410.0390.1600.2230.29
châtaignier0.0880.01000.0.0.0570.01000.9130.112
autres feuillus0.3120.1230.1250.1250.1280.7110.37
total10.1210.5311.137.849.236.849.51
>= 52,0 cmépicéa3.057.157.863.596.572.7104.73
sapin2.462.982.1100.4270.5190.5231.74
pin0.3130.1450.1410.3310.4190.0520.210
mélèze0.1200.1380.1333.982.0121.7110.95
arole0.0.0.0710.01000.4240.4200.01000.115
autres résineux0.1340.01000.0.0.0.0.0.0.01000.032
hêtre2.451.3111.7100.1440.2351.1221.44
érable0.1160.2390.2270.0.0.0620.0630.114
frêne0.4110.1300.2250.0720.0740.0460.210
chêne0.5120.0460.1400.0610.1500.1390.211
châtaignier0.01000.0.0.0.0.1670.01002.1210.320
autres feuillus0.3280.1510.1440.1430.0610.2330.219
total9.7311.9312.558.7510.258.4710.22
totalépicéa8.7318.9318.7411.6519.346.8713.02
sapin5.646.364.971.1180.8171.0174.03
pin1.080.4290.6252.1132.0110.3401.06
mélèze0.3140.2260.4258.464.584.472.24
arole0.0.0.1640.0711.4151.5130.0570.410
autres résineux0.3170.0480.1260.0490.1280.0770.114
hêtre8.635.076.360.8190.8184.795.42
érable1.551.582.090.4170.3290.4171.14
frêne1.860.8131.5110.4270.2280.8161.14
chêne1.380.2300.2300.3230.1480.7150.76
châtaignier0.0900.01000.0.0.1570.01005.0100.710
autres feuillus1.490.9131.1121.4110.9153.971.54
total30.5134.3235.7228.1230.6228.0231.21
© WSL, Inventaire forestier national suisse, 24.05.2020 #837855/304186
Résultat de la recherche: 1 inscription 1 page

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