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IFN2
surface terrière
classe de diamètre(DHP) · essence principale
unité d'interprétation: région de production
unité: m²/ha
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau terrestre IFN2
état 1993/95
région de production
JuraPlateauPréalpesAlpesSud des AlpesSuisse
classe de diamètre(DHP)essence principale m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± % m²/ha± %
12,0 à 15,9 cmépicéa0.4100.690.660.650.2130.53
sapin0.380.1110.370.1120.0260.14
pin0.0330.0300.0430.1130.0720.011
mélèze0.0810.0330.01000.1110.1170.09
arole......0.0180.01000.018
autres résineux0.0350.0250.0450.0230.01000.015
hêtre0.470.370.380.1110.4110.34
érable0.1100.1150.1140.1140.0260.16
frêne0.1160.1160.1190.0160.1180.18
chêne0.0250.1260.0600.0230.1260.013
châtaignier..0.071..0.0640.4130.013
autres feuillus0.2110.1120.2110.280.590.25
total1.441.441.541.431.851.52
16,0 à 23,9 cmépicéa0.891.371.961.740.6111.43
sapin0.580.490.670.2120.1250.34
pin0.1270.1290.0450.4110.0520.19
mélèze0.0610.0370.01000.390.4140.17
arole....0.0730.115..0.015
autres résineux0.0350.0280.0400.033..0.017
hêtre1.260.960.770.3100.9110.73
érable0.3100.2150.3100.1120.1270.26
frêne0.2150.2120.2130.1170.1210.27
chêne0.1240.2210.0360.0240.2220.111
châtaignier..0.076..0.0720.9110.111
autres feuillus0.3110.3100.2140.491.180.44
total3.533.644.133.634.443.82
24,0 à 35,9 cmépicéa1.972.364.554.041.3123.03
sapin1.380.991.370.3120.1410.74
pin0.3180.2170.1320.6100.2440.38
mélèze0.0340.1280.01000.780.8130.36
arole....0.0870.314..0.113
autres résineux0.0780.1350.01000.058..0.031
hêtre3.151.961.770.6101.1121.63
érable0.5100.4110.5110.2120.1310.35
frêne0.4130.6110.4150.1190.1250.37
chêne0.3170.3140.0430.0350.3210.29
châtaignier..0.071..0.0451.0120.112
autres feuillus0.3150.4140.2200.3121.1110.46
total8.237.038.737.036.047.41
36,0 à 51,9 cmépicéa3.355.057.645.532.195.02
sapin2.161.872.460.5110.3231.43
pin0.7130.8100.2280.6100.1370.56
mélèze0.0640.1200.0381.461.1100.65
arole....0.01000.3130.01000.112
autres résineux0.01000.137....0.01000.034
hêtre3.752.652.070.6100.8111.93
érable0.3110.2150.3120.1130.0440.26
frêne0.3140.7100.2140.1190.0350.37
chêne0.3150.5110.0390.0340.1290.28
châtaignier..0.0100..0.0600.6140.114
autres feuillus0.2210.3140.1240.1220.3140.28
total10.9212.0212.829.225.6510.31
>= 52,0 cmépicéa2.673.466.454.842.4114.13
sapin1.591.582.370.5120.3301.24
pin0.2210.3150.1420.2170.0470.210
mélèze0.0460.1260.1351.571.2130.66
arole....0.01000.315..0.115
autres résineux0.01000.1300.071....0.027
hêtre1.591.781.0110.3170.9401.06
érable0.1340.1250.1370.1340.01000.116
frêne0.1290.3160.1300.0430.01000.112
chêne0.3210.6150.1340.0380.1550.211
châtaignier......0.0552.0190.319
autres feuillus0.1370.1300.0710.0330.1350.117
total6.348.3410.147.737.087.92
totalépicéa8.9412.5321.0316.436.5714.02
sapin5.654.766.851.580.8193.83
pin1.3111.390.4241.880.4351.25
mélèze0.1280.4170.1304.053.581.84
arole....0.0761.0100.0840.310
autres résineux0.1370.3200.0340.0270.0720.114
hêtre9.937.445.762.084.1125.42
érable1.371.081.270.690.2240.94
frêne1.1111.881.0100.4130.4170.95
chêne1.1121.690.2240.2210.7170.76
châtaignier..0.082..0.1425.0100.610
autres feuillus1.0111.290.8111.083.271.34
total30.3232.3237.1228.9224.8330.91
© WSL, Inventaire forestier national suisse, 27.12.2015 #204181/190444
Résultat de la recherche: 1 inscription 1 page

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