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IFN4b
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 IFN1/IFN2/IFN3/IFN4
réseau: réseau IFN4 2009-2013
état 2009/13
région de forêt protectrice
Plateau/Juranord des Alpes ouestnord des Alpes estsud-ouest des Alpessud-est des AlpesSud des AlpesSuisse
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 cmépicéa0.390.590.4120.6130.8100.2170.45
sapin0.290.2120.2170.0360.0640.0340.26
pin0.0580.0590.01000.2320.1300.01000.019
mélèze0.0800.0520.0800.1200.0240.1280.016
arole......0.0400.0380.01000.027
autres résineux0.0290.0710.0620.0610.042..0.021
hêtre0.360.2130.3160.1340.0370.3160.25
érable0.1120.1190.1250.1280.0400.0340.19
frêne0.1140.1250.1260.0360.0470.1260.110
chêne0.0400.0690.0710.140..0.1320.022
châtaignier0.0100........0.3210.021
autres feuillus0.1110.1150.2190.3170.2250.6150.27
total1.241.351.281.581.381.871.33
16,0 à 23,9 cmépicéa0.991.481.6111.5132.090.6171.24
sapin0.590.6110.4170.1280.1370.1340.46
pin0.0370.0710.0600.7240.3270.01000.116
mélèze0.0430.0450.0640.5160.2260.3220.111
arole......0.2260.2280.01000.019
autres résineux0.0250.01000.0420.0640.041..0.018
hêtre0.860.7120.8130.2320.1341.1160.75
érable0.3120.3150.3180.1300.0400.1360.28
frêne0.2130.1200.3190.1420.1500.2320.29
chêne0.1230.0520.01000.1430.01000.2340.117
châtaignier......0.0...1.1170.117
autres feuillus0.2110.2180.3200.6180.5281.2130.47
total3.143.453.764.273.574.863.62
24,0 à 35,9 cmépicéa1.883.883.7103.0114.381.5162.74
sapin0.991.2120.8170.2340.1460.2390.76
pin0.2210.1720.1510.9220.6250.1680.313
mélèze0.1360.0520.01001.3150.6190.9180.310
arole......0.3330.523..0.119
autres résineux0.0320.01000.01000.0.0.0100..0.029
hêtre2.061.4111.7130.4300.3301.5151.55
érable0.5100.6150.9160.1390.1350.1410.47
frêne0.4120.4250.7180.3640.1610.2380.410
chêne0.3160.0560.01000.1530.01000.3270.213
châtaignier......0.01000.01001.5170.217
autres feuillus0.3130.2290.4220.3280.2361.4130.48
total6.637.858.267.076.767.857.22
36,0 à 51,9 cmépicéa2.966.466.284.4107.172.6134.53
sapin1.871.891.8130.4340.2290.3281.35
pin0.5120.2550.1380.7240.7210.1500.410
mélèze0.1270.0550.0462.5141.5141.3150.68
arole..0.0100..0.3330.421..0.118
autres résineux0.138........0.01000.037
hêtre3.351.8122.7110.2490.5311.2162.14
érable0.4100.4180.7140.1570.1560.0470.37
frêne0.7120.2220.7190.1670.0500.1400.49
chêne0.4130.0440.0630.0720.0730.2330.211
châtaignier0.01000.0100..0.0710.01001.1180.118
autres feuillus0.3160.1280.2350.2370.1340.7160.310
total10.4311.0412.558.9610.657.7610.32
>= 52,0 cmépicéa3.277.379.094.3146.393.6145.04
sapin2.382.9102.3140.4370.5290.6281.85
pin0.3170.1560.1590.2490.5250.01000.213
mélèze0.1280.1530.2454.2132.4151.7170.98
arole......0.4370.429..0.123
autres résineux0.1420.0100......0.01000.139
hêtre2.271.3161.7150.2470.3411.0181.46
érable0.1220.1340.332..0.1610.01000.115
frêne0.5150.1410.3330.01000.01000.01000.313
chêne0.420..0.1610.01000.1790.1600.218
châtaignier......0.1750.01001.9280.227
autres feuillus0.2330.1610.1500.1580.0710.1390.122
total9.4412.0513.969.9810.669.0810.52
totalépicéa9.1419.4520.8613.7820.558.61113.92
sapin5.856.775.4101.2260.8231.2254.44
pin1.1100.4460.3402.6172.3160.2541.08
mélèze0.2180.2310.3348.6104.7114.4121.96
arole..0.0100..1.2231.6190.01000.315
autres résineux0.3240.0680.1410.0550.1390.01000.221
hêtre8.645.397.191.2271.2255.1126.03
érable1.471.6112.2110.4270.3280.3291.25
frêne1.980.9182.0140.5430.3450.6291.36
chêne1.2110.1340.1450.3380.1710.9200.79
châtaignier0.0800.0100..0.1540.01005.9130.713
autres feuillus1.290.8181.2161.4161.0244.0101.46
total30.8235.6339.5331.4432.8331.1332.91
© WSL, Inventaire forestier national suisse, 27.12.2015 #204454/190717
Résultat de la recherche: 1 inscription 1 page

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