Recherche dans d'anciens sets de données

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IFN4
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
unité d'interprétation: région de production
unité: 1000 ha
ensemble analysé: forêt accessible sans la forêt buissonnante IFN1/IFN2/IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2009/17
région de production
JuraPlateauPréalpesAlpesSud des Alpes Suisse
stabilité du peuplementdéclivité (classes de 20%)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
critiquejusqu'à 20%0.8503.0261.1451.4380.21006.418
21 à 40%1.0451.5354.2221.8330.6589.115
41 à 60%1.2411.3382.3296.3183.22514.412
61 à 80%0.0.0.21002.8279.7141.83314.612
81 à 100%0.21000.21000.8503.5231.8336.517
plus de 100%0.0.0.0.1.0451.0450.6582.628
total3.2256.31712.31323.898.21553.76
stabilité moindriejusqu'à 20%17.41057.3511.7135.0201.73593.04
21 à 40%20.01026.0826.3817.3117.01796.64
41 à 60%16.3119.01527.7843.4616.710113.14
61 à 80%8.3152.92621.9947.0623.29103.34
81 à 100%1.6350.6587.31624.5912.71246.76
plus de 100%0.6580.0.2.9269.3148.31521.110
total64.1595.7497.74146.5369.64473.72
stablejusqu'à 20%40.1676.7415.2118.2152.032142.13
21 à 40%41.8631.9733.1727.587.716142.13
41 à 60%30.279.11428.5852.4612.712132.94
61 à 80%9.2141.63513.71245.5612.01281.95
81 à 100%1.8330.21002.42912.0137.71624.09
plus de 100%0.21000.0.0.4713.2253.3247.117
total123.33119.5393.24148.8345.36530.21
totaljusqu'à 20%58.25137.0227.9814.5123.923241.52
21 à 40%62.8559.4563.6546.7615.311247.83
41 à 60%47.7619.41058.65102.2432.67260.42
61 à 80%17.4104.72038.57102.3436.96199.83
81 à 100%3.6231.04510.41440.0722.2977.25
plus de 100%0.8500.0.4.32113.41212.21230.88
total190.51221.51203.31319.11123.121057.51
© WSL, Inventaire forestier national suisse, 27.05.2020 #793847/260179
IFN3
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
unité d'interprétation: région de production
unité: 1000 ha
ensemble analysé: forêt accessible sans la forêt buissonnante IFN1/IFN2/IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2004/06
région de production
JuraPlateauPréalpesAlpesSud des Alpes Suisse
stabilité du peuplementdéclivité (classes de 20%)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
critiquejusqu'à 20%2.62811.5131.1450.8500.0.15.911
21 à 40%2.8273.4242.6281.0450.210010.114
41 à 60%3.2251.2413.9225.4190.65814.312
61 à 80%0.8500.8501.9325.0201.63510.114
81 à 100%0.4710.0.1.6352.4290.6585.020
plus de 100%0.21000.0.0.7501.0450.4712.329
total9.91416.91011.91315.6113.42457.76
stabilité moindriejusqu'à 20%17.01055.157.9164.4210.85085.14
21 à 40%18.71018.11022.8911.9133.52374.95
41 à 60%13.0126.11821.2927.0811.91279.25
61 à 80%4.1222.42916.61139.2714.01176.35
81 à 100%0.8500.4713.92318.1107.71630.88
plus de 100%0.4710.0.2.6286.9175.91815.811
total54.0582.1474.94107.4443.86362.22
stablejusqu'à 20%38.7770.4418.9109.4143.125140.53
21 à 40%41.4637.9738.1733.7711.613162.83
41 à 60%31.5712.11233.4769.8520.19166.93
61 à 80%12.5121.53520.01058.1521.39113.44
81 à 100%2.4290.6585.02019.51013.91141.47
plus de 100%0.21000.0.1.0455.5196.01812.712
total126.63122.63116.53196.1275.94637.71
totaljusqu'à 20%58.25137.0227.9814.5123.923241.52
21 à 40%62.8559.4563.6546.7615.311247.83
41 à 60%47.7619.41058.65102.2432.67260.42
61 à 80%17.4104.72038.57102.3436.96199.83
81 à 100%3.6231.04510.41440.0722.2977.25
plus de 100%0.8500.0.4.32113.41212.21230.88
total190.51221.51203.31319.11123.121057.51
© WSL, Inventaire forestier national suisse, 27.05.2020 #793848/260180
IFN3
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
unité d'interprétation: région de production
unité: 1000 ha
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau terrestre IFN3
état2004/06
région de production
JuraPlateauPréalpesAlpesSud des Alpes Suisse
stabilité du peuplementdéclivité (classes de 20%)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
critiquejusqu'à 20%2.72612.7111.3380.9450.210017.710
21 à 40%2.5273.4233.1241.8320.210010.913
41 à 60%3.1241.0414.8196.8161.43517.110
61 à 80%0.9450.7501.9305.8172.03011.312
81 à 100%0.5580.0.1.9302.8250.9456.217
plus de 100%0.21000.0.0.8451.4350.3712.825
total9.91317.81013.81119.595.11966.05
stabilité moindriejusqu'à 20%17.51055.358.5145.5181.63388.44
21 à 40%20.5919.0922.9814.9114.22081.55
41 à 60%14.0116.01723.6833.0714.31190.94
61 à 80%4.3202.32816.01044.8617.01084.44
81 à 100%0.9450.4715.01919.9910.11336.27
plus de 100%0.5580.0.2.7268.4147.21518.810
total57.8582.9478.74126.5354.45400.22
stablejusqu'à 20%41.5674.1419.2910.1133.423148.43
21 à 40%43.6638.4641.3641.7614.611179.83
41 à 60%31.0711.91236.5682.3424.18185.73
61 à 80%12.6121.93022.4965.4525.98128.23
81 à 100%2.2290.5585.41823.8816.61048.56
plus de 100%0.4710.0.1.0417.7158.91418.010
total131.32127.03125.83231.1293.53708.51
totaljusqu'à 20%61.75142.1229.0716.5105.218254.42
21 à 40%66.6460.8567.4458.4519.09272.22
41 à 60%48.1519.0964.85122.1339.86293.82
61 à 80%17.8104.91940.26116.0344.95223.92
81 à 100%3.6220.94512.31246.6627.6791.04
plus de 100%1.1410.0.4.52017.51016.41039.57
total198.91227.71218.21377.01152.921174.80
© WSL, Inventaire forestier national suisse, 10.06.2020 #793849/260181
IFN3
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
unité d'interprétation: région de production
unité: 1000 ha
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 x 1,4 km
état2004/06
région de production
JuraPlateauPréalpesAlpesSud des Alpes Suisse
stabilité du peuplementdéclivité (classes de 20%)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
critiquejusqu'à 20%2.72712.5121.1450.8500.0.17.111
21 à 40%2.8273.4243.3251.8330.210011.513
41 à 60%3.4241.2414.8206.6171.63517.611
61 à 80%0.8500.8501.9326.4182.23012.113
81 à 100%0.4710.0.2.0322.8270.8506.018
plus de 100%0.21000.0.0.7501.2410.4712.528
total10.31417.81013.71219.6105.21966.75
stabilité moindriejusqu'à 20%18.01056.358.6155.8181.43890.04
21 à 40%19.31019.11023.5915.3114.72081.95
41 à 60%13.2126.11823.1932.2814.81189.45
61 à 80%4.1222.42916.81144.0616.91084.35
81 à 100%1.0450.4714.72119.9109.31435.27
plus de 100%0.4710.0.2.8278.3157.31618.810
total56.0584.3479.44125.5354.35399.52
stablejusqu'à 20%42.2673.2419.91010.6143.723149.63
21 à 40%44.1638.7741.7641.2714.911180.53
41 à 60%31.5712.11236.4783.2424.58187.73
61 à 80%12.5121.53521.4965.8525.58126.84
81 à 100%2.4290.6585.02024.1917.01049.16
plus de 100%0.21000.0.1.2418.1168.51518.010
total132.82126.23125.63232.9294.23711.71
totaljusqu'à 20%63.05142.0229.6817.2115.020256.72
21 à 40%66.1561.2568.5558.3619.810273.92
41 à 60%48.1619.41064.25122.0341.06294.72
61 à 80%17.4104.72040.17116.2444.76223.13
81 à 100%3.8231.04511.71346.8627.1890.34
plus de 100%0.8500.0.4.72017.61016.11139.27
total199.21228.31218.71378.01153.721177.91
© WSL, Inventaire forestier national suisse, 27.05.2020 #793850/260182
IFN4
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
unité d'interprétation: région de production
unité: 1000 ha
ensemble analysé: forêt accessible sans la forêt buissonnante IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2009/17
région de production
JuraPlateauPréalpesAlpesSud des Alpes Suisse
stabilité du peuplementdéclivité (classes de 20%)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
critiquejusqu'à 20%0.8503.0261.1451.6350.4716.817
21 à 40%1.0451.5354.2222.4290.6589.714
41 à 60%1.2411.3383.0268.2154.42118.010
61 à 80%0.0.0.21003.12612.2132.42917.811
81 à 100%0.21000.21001.2414.9202.0328.615
plus de 100%0.0.0.0.1.0451.8330.8503.624
total3.2256.31713.51231.0810.51364.55
stabilité moindriejusqu'à 20%18.21058.9512.9125.8182.13197.84
21 à 40%20.8926.3827.9821.2108.215104.44
41 à 60%16.5119.01529.1850.7619.410124.74
61 à 80%8.3152.92622.3952.9627.78114.04
81 à 100%1.8330.6587.71627.8815.11153.06
plus de 100%0.6580.0.3.12511.31310.31325.29
total66.1597.73103.13169.6382.74519.22
stablejusqu'à 20%43.2678.3415.4119.2152.429148.43
21 à 40%43.1632.5735.3732.9810.613154.53
41 à 60%30.479.11430.7860.7515.911146.93
61 à 80%9.2141.63514.31250.2614.31189.54
81 à 100%1.8330.21002.42913.4129.21427.08
plus de 100%0.21000.0.0.4713.8234.3218.615
total127.83121.8398.54170.2356.85575.01
totaljusqu'à 20%62.25140.2229.4816.6114.820253.12
21 à 40%64.9560.4567.5556.5619.410268.72
41 à 60%48.1619.41062.85119.6439.86289.62
61 à 80%17.4104.72039.77115.2444.36221.33
81 à 100%3.8231.04511.31346.2626.3888.54
plus de 100%0.8500.0.4.52116.81115.31137.57
total197.11225.71215.11370.81150.021158.71
© WSL, Inventaire forestier national suisse, 27.05.2020 #793851/260183
IFN4
surface forestière
stabilité du peuplement · déclivité (classes de 20%)
unité d'interprétation: région de production
unité: 1000 ha
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 x 1,4 km
état2009/17
région de production
JuraPlateauPréalpesAlpesSud des Alpes Suisse
stabilité du peuplementdéclivité (classes de 20%)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
critiquejusqu'à 20%0.8503.0261.3411.8330.4717.217
21 à 40%1.0451.7334.2222.4290.6589.914
41 à 60%1.2411.3383.0268.6154.82018.910
61 à 80%0.0.0.21003.32512.8122.72719.010
81 à 100%0.21000.21001.2415.6192.0329.215
plus de 100%0.0.0.0.1.0452.6281.0454.521
total3.2256.51713.91233.6711.51368.75
stabilité moindriejusqu'à 20%18.61059.3513.1125.8182.23099.04
21 à 40%21.2926.5828.9823.298.215108.04
41 à 60%16.7109.01529.7853.9620.49129.74
61 à 80%8.3152.92623.5955.7628.78119.04
81 à 100%1.8330.6587.91629.0816.11155.36
plus de 100%0.6580.0.3.12512.71211.01327.48
total67.1598.33106.33180.2386.73538.52
stablejusqu'à 20%43.8679.1416.01110.0142.827151.63
21 à 40%44.5632.9737.3734.7710.613160.13
41 à 60%30.479.31431.5864.5516.710152.53
61 à 80%9.2141.63514.31251.8615.31192.14
81 à 100%1.8330.21002.62814.6119.81429.08
plus de 100%0.21000.0.0.4714.2224.9209.614
total129.83123.13102.14179.8360.15594.91
totaljusqu'à 20%63.25141.3230.4817.6105.419257.82
21 à 40%66.7561.2570.5560.3519.410278.12
41 à 60%48.3619.61064.25127.0342.06301.02
61 à 80%17.4104.72041.16120.2446.76230.13
81 à 100%3.8231.04511.71349.2627.9893.54
plus de 100%0.8500.0.4.52119.41016.91041.67
total200.11227.91222.31393.71158.321202.21
© WSL, Inventaire forestier national suisse, 27.05.2020 #793852/260184
IFN1
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN1/IFN2/IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état1983/85
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indication0 (sans boisement)0.0.0.0.0.0.0.60.31.41.40.0.0.0.1.31.30.70.30.0.0.50.51.71.20.0.1.11.11.70.80.0.0.0.0.80.80.0.0.0.0.0.1.30.51.00.52.82.80.30.30.60.1
1 à 400.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
41 à 800.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.00.0
81 à 1200.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.80.80.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
121 à 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.50.50.00.0
plus de 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
peuplement inéquien4.21.311.16.21.91.94.70.77.02.66.11.70.0.7.43.22.50.64.21.62.11.01.81.00.0.6.72.72.51.07.23.54.41.75.62.03.61.82.70.73.12.21.80.64.00.94.34.32.71.13.60.3
total4.21.311.16.21.91.95.50.88.42.96.11.70.0.8.73.53.50.74.21.62.51.13.51.60.0.8.53.04.61.47.23.54.41.76.42.23.61.82.70.73.12.23.30.85.01.07.15.13.51.24.40.3
critique0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 401.30.80.0.0.0.1.70.50.0.0.0.0.0.6.83.01.50.40.60.61.00.70.70.70.0.0.0.2.51.01.51.51.41.01.51.12.81.42.00.61.51.51.60.62.10.65.53.72.41.01.60.2
41 à 801.20.70.0.0.0.1.80.50.0.2.51.10.0.1.31.30.80.30.60.60.50.50.0.0.0.2.51.72.00.91.91.90.80.82.51.40.0.0.0.2.82.01.60.61.20.50.0.1.20.71.20.1
81 à 1202.21.00.0.0.0.1.10.41.91.30.0.0.0.1.31.30.40.20.0.1.50.80.0.3.83.70.0.1.20.70.0.1.10.80.80.80.0.0.40.31.51.51.10.51.20.50.0.0.0.0.80.1
121 à 1600.40.40.0.0.0.0.40.22.21.60.40.40.0.0.0.0.90.40.0.0.0.0.0.0.0.1.11.10.0.0.0.0.0.0.80.80.0.0.0.0.0.0.50.30.0.0.0.0.80.60.40.1
plus de 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.1.31.30.50.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.90.50.40.30.0.0.40.40.20.1
peuplement inéquien0.90.64.14.10.0.1.90.50.0.2.11.00.0.0.0.3.30.70.0.2.01.00.0.3.63.52.71.63.51.20.0.0.60.60.80.81.21.20.80.40.0.2.00.72.60.74.34.31.90.81.80.2
total6.01.64.14.10.0.6.90.94.12.15.01.60.0.10.83.67.51.01.20.85.01.50.70.77.35.16.32.59.21.93.42.43.81.56.42.24.01.83.20.85.92.97.61.37.51.29.85.66.71.66.00.3
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
1 à 4016.52.412.36.611.55.36.20.94.72.310.32.112.512.410.13.66.90.99.72.37.91.93.21.413.36.55.12.29.01.812.84.512.92.86.12.115.33.317.11.79.43.64.51.04.50.913.06.611.01.98.70.4
41 à 809.31.915.17.06.33.57.10.95.12.28.52.00.0.9.93.62.70.66.51.917.02.72.71.417.07.28.53.09.11.88.73.816.82.98.02.54.32.17.01.215.64.68.41.34.00.910.96.112.92.27.60.4
81 à 12012.02.115.27.25.03.713.01.219.24.36.91.90.0.12.23.74.10.78.32.117.22.68.32.43.63.511.83.59.51.88.43.617.03.09.32.615.73.61.60.611.94.18.31.33.90.86.04.315.12.38.90.4
121 à 1601.70.83.03.00.0.3.10.63.21.83.81.30.0.5.92.97.31.02.51.22.71.21.61.10.0.1.81.32.61.01.51.51.41.05.42.00.0.4.30.97.83.43.80.93.90.85.53.70.50.53.60.3
plus de 1600.40.40.0.0.0.1.70.50.0.1.40.80.0.7.23.26.80.90.60.60.0.0.60.60.0.2.31.61.70.80.0.0.0.1.51.10.0.2.40.73.02.11.60.64.70.90.0.0.50.52.40.2
peuplement inéquien6.01.611.16.310.74.817.01.33.81.88.92.150.018.75.32.521.91.57.72.115.52.67.72.114.66.828.64.620.62.67.23.513.72.814.23.211.83.312.11.416.34.513.01.616.91.710.46.09.82.014.70.5
total46.03.356.79.933.47.548.11.836.05.139.83.662.518.250.65.949.81.935.23.760.33.524.03.648.59.058.25.352.43.238.66.561.94.044.64.447.14.944.62.264.16.039.62.337.82.245.99.749.73.346.00.7
stable0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 405.21.50.0.6.33.62.60.67.42.85.51.70.0.1.31.33.30.72.91.33.51.30.70.70.0.4.62.12.00.913.14.52.41.24.71.95.41.811.61.41.31.35.51.13.10.83.33.35.01.34.40.3
41 à 8012.42.14.14.111.84.43.60.78.93.17.11.80.0.2.92.11.90.511.22.45.01.68.52.49.74.12.41.74.01.214.54.47.22.17.32.49.92.911.61.52.92.07.61.34.10.910.96.19.72.06.40.3
81 à 12018.02.517.17.225.17.011.81.113.73.711.62.40.0.4.62.63.20.624.33.310.02.110.82.714.66.32.11.58.21.77.73.29.32.24.71.913.33.35.51.07.73.48.71.35.81.06.64.412.92.29.20.4
121 à 1602.10.94.14.13.23.25.50.810.33.37.21.912.512.43.92.25.60.88.92.22.51.16.12.10.0.4.62.24.91.45.02.81.91.19.42.65.72.33.00.84.32.54.91.04.10.95.53.72.00.94.80.3
plus de 1600.0.0.0.0.0.2.10.50.0.0.40.412.512.47.23.17.61.00.60.60.0.0.90.90.0.1.11.10.90.61.51.50.0.5.32.00.0.1.80.64.32.55.11.17.11.13.33.30.30.33.10.2
peuplement inéquien6.01.63.03.018.26.113.91.211.23.417.22.812.512.410.03.717.61.411.42.511.12.344.94.119.97.412.23.614.02.39.03.99.12.411.22.711.03.015.91.66.33.017.71.825.31.97.65.410.22.015.60.5
total43.73.228.28.864.77.539.51.751.55.249.13.637.518.229.95.539.21.859.43.832.23.371.83.844.28.627.14.833.83.150.96.630.03.742.64.445.34.849.52.226.85.549.52.449.62.237.28.840.13.243.60.7
total0 (sans boisement)0.0.0.0.0.0.0.60.31.41.40.0.0.0.1.31.30.80.30.0.0.50.51.71.20.0.1.11.11.70.80.0.0.0.0.80.80.0.0.0.0.0.1.30.51.00.52.82.80.30.30.70.1
1 à 4023.02.712.36.617.86.210.51.112.13.415.82.612.512.418.24.511.91.213.22.612.32.34.51.713.36.59.72.913.92.227.55.716.73.112.32.823.53.630.82.012.34.011.61.59.71.321.88.118.42.214.80.5
41 à 8022.92.719.27.818.15.212.51.214.03.818.22.80.0.14.14.25.40.818.33.022.63.011.22.726.78.013.43.515.02.325.15.724.83.417.83.414.13.518.61.821.45.017.71.89.41.321.87.923.82.815.10.5
81 à 12032.22.932.39.330.27.426.11.534.85.218.52.90.0.18.14.57.71.032.53.528.83.219.13.321.97.814.73.918.92.416.04.527.43.514.73.129.14.57.51.221.25.118.11.810.91.412.65.828.02.919.00.5
121 à 1604.31.37.05.03.23.29.01.015.73.911.42.312.512.49.83.613.81.311.42.45.21.67.72.30.0.7.52.87.41.76.53.23.31.515.63.35.72.37.31.212.14.19.21.48.01.211.04.53.81.38.80.4
plus de 1600.40.40.0.0.0.3.80.70.0.1.80.912.512.415.74.415.11.31.20.90.0.1.51.10.0.3.41.92.51.01.51.50.0.6.82.20.0.4.30.97.33.27.61.312.21.43.33.31.20.75.70.3
peuplement inéquien17.22.529.29.130.87.337.51.722.14.334.33.562.518.222.75.045.31.823.33.230.73.354.44.138.19.050.25.340.63.123.45.627.83.631.94.127.74.431.42.125.75.334.42.248.92.226.78.624.62.835.80.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793853/260185
IFN1
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 x 1,4 km
état1983/85
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indication0 (sans boisement)0.0.0.0.0.0.0.60.31.41.40.0.0.0.1.31.20.80.30.0.0.40.41.61.20.0.1.11.11.60.80.0.0.0.0.80.80.0.0.40.30.0.1.30.51.00.42.72.70.30.30.70.1
1 à 400.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
41 à 800.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.00.0
81 à 1200.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.70.70.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
121 à 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.40.00.0
plus de 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
peuplement inéquien4.61.411.16.21.91.94.90.77.92.77.41.90.0.8.73.43.10.64.11.52.51.11.81.00.0.7.52.84.81.47.23.54.31.78.32.33.51.83.50.83.02.12.40.75.21.04.24.23.01.14.30.3
total4.61.411.16.21.91.95.70.89.33.07.41.90.0.9.93.64.20.74.11.52.91.23.41.50.0.9.33.16.81.67.23.54.31.79.12.43.51.83.90.83.02.13.90.96.21.16.94.93.81.25.10.3
critique0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 401.30.70.0.0.0.1.80.50.0.0.0.0.0.6.62.91.40.40.60.60.90.60.70.70.0.0.0.2.31.01.51.51.31.01.41.02.81.32.10.61.41.41.50.62.20.65.33.52.31.01.60.2
41 à 801.20.70.0.0.0.1.70.50.0.2.51.10.0.1.31.20.80.30.60.60.50.50.0.0.0.2.41.71.90.81.91.90.80.82.31.40.0.0.0.2.71.91.70.61.20.50.0.1.10.71.10.1
81 à 1202.10.90.0.0.0.1.10.41.91.30.0.0.0.1.31.30.40.20.0.1.50.80.0.3.63.60.0.1.20.70.0.1.10.80.70.70.0.0.40.32.71.91.10.51.10.50.0.0.0.0.80.1
121 à 1600.40.40.0.0.0.0.40.22.21.60.40.40.0.0.0.0.90.30.0.0.0.0.0.0.0.1.11.10.0.0.0.0.0.0.70.70.0.0.0.0.0.0.40.30.0.0.0.0.80.60.40.1
plus de 1600.0.0.0.0.0.0.10.10.0.0.0.0.0.1.31.30.50.30.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.90.40.40.30.0.0.40.40.20.1
peuplement inéquien0.90.64.14.10.0.1.90.50.0.2.01.00.0.0.0.3.30.70.0.2.01.00.0.3.43.42.61.54.11.30.0.0.60.61.51.11.21.20.80.40.0.1.90.62.50.74.24.21.80.81.90.2
total5.91.54.14.10.0.7.00.94.12.14.91.50.0.10.43.57.30.91.10.84.81.50.70.77.04.96.12.59.51.93.42.43.71.56.82.24.01.83.20.86.82.97.61.27.31.19.55.46.51.56.00.3
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
1 à 4016.22.412.36.611.55.36.10.84.62.310.12.112.512.49.83.56.90.99.42.28.11.93.11.416.47.04.92.28.81.812.84.512.82.75.82.015.23.317.31.68.93.44.41.04.60.912.66.411.11.98.70.4
41 à 809.21.915.17.06.33.57.10.95.02.28.32.00.0.9.63.52.70.66.21.816.92.62.61.316.47.08.32.98.91.78.73.816.62.97.62.34.32.17.01.117.74.78.31.33.80.810.66.013.32.27.50.4
81 à 12011.82.015.27.25.03.712.81.219.04.36.81.90.0.11.83.63.90.78.02.117.02.58.02.33.43.411.43.48.91.78.43.616.93.010.22.615.63.61.50.511.33.98.21.33.70.85.84.215.12.38.70.4
121 à 1601.70.83.03.00.0.3.10.63.11.83.71.30.0.5.82.87.10.92.41.22.61.11.51.10.0.1.81.32.41.01.51.51.81.15.11.90.0.4.30.97.43.23.70.93.70.85.33.50.40.43.60.2
plus de 1600.40.40.0.0.0.1.70.40.0.1.40.80.0.7.03.16.50.90.60.60.0.0.60.60.0.2.21.61.60.80.0.0.0.1.41.00.0.2.50.72.92.01.50.64.50.90.0.0.40.42.30.2
peuplement inéquien5.91.511.16.310.74.817.11.33.81.88.72.150.018.75.12.522.01.57.42.015.32.57.42.114.16.629.84.720.22.57.23.514.22.814.03.011.73.311.81.416.64.412.71.616.41.613.26.59.51.914.60.5
total45.33.256.79.933.47.547.81.735.65.139.03.562.518.249.05.849.31.833.93.659.93.423.23.550.48.858.45.250.73.138.66.562.33.944.14.246.84.844.42.264.95.838.82.336.72.147.69.649.93.245.50.7
stable0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 405.51.50.0.6.33.62.80.67.42.75.41.70.0.1.31.23.50.72.81.33.31.20.70.70.0.4.52.01.90.813.14.52.41.24.41.86.01.912.01.41.31.25.31.03.20.83.23.25.21.34.50.3
41 à 8012.22.14.14.111.84.43.60.78.83.17.01.80.0.4.42.51.90.511.52.44.81.58.22.49.33.92.41.73.71.214.54.47.12.06.92.29.82.911.21.42.71.87.71.24.30.910.66.09.41.96.30.3
81 à 12017.72.417.17.225.17.011.61.113.63.711.42.40.0.4.52.63.30.624.03.210.12.110.42.614.16.12.01.57.71.67.73.29.22.24.41.813.23.35.61.07.33.28.41.36.61.16.44.312.52.19.10.4
121 à 1602.10.94.14.13.23.25.50.810.23.27.11.912.512.43.82.15.60.88.62.12.41.16.62.10.0.4.42.25.01.45.02.81.91.18.82.55.62.32.80.74.12.35.21.14.10.95.33.52.00.94.80.3
plus de 1600.0.0.0.0.0.2.00.50.0.0.40.412.512.46.93.07.40.90.60.60.0.0.90.90.0.1.11.11.20.71.51.50.0.5.01.90.0.1.70.64.12.34.91.07.01.13.23.20.30.33.00.2
peuplement inéquien6.81.63.03.018.26.114.01.211.13.417.42.812.512.49.73.617.51.413.32.611.72.346.04.019.27.211.93.513.52.29.03.99.02.410.62.611.03.015.21.65.92.918.11.824.51.97.45.210.42.015.70.5
total44.23.228.28.864.77.539.51.751.05.248.63.637.518.230.65.439.11.860.83.732.43.272.73.742.68.426.24.733.02.950.96.629.63.740.14.345.64.848.52.225.45.349.72.349.82.236.08.739.93.143.40.7
total0 (sans boisement)0.0.0.0.0.0.0.60.31.41.40.0.0.0.1.31.20.90.30.0.0.40.41.61.20.0.1.11.11.60.80.0.0.0.0.80.80.0.0.40.30.0.1.30.51.00.42.72.70.30.30.70.1
1 à 4023.02.612.36.617.86.210.61.112.03.415.52.612.512.417.74.411.91.212.82.512.32.24.41.616.47.09.42.813.42.127.55.716.53.111.62.624.03.631.42.011.63.811.21.410.01.321.17.818.62.214.90.5
41 à 8022.52.619.27.818.15.212.41.113.83.717.82.70.0.15.34.35.30.818.32.922.22.910.82.625.87.713.03.414.52.225.15.724.53.316.83.314.03.518.21.723.25.118.01.89.31.321.17.723.92.814.90.5
81 à 12031.72.932.39.330.27.425.71.534.55.118.22.80.0.17.64.37.61.032.03.528.63.118.53.221.17.514.23.717.72.316.04.527.13.415.33.128.94.57.51.221.35.017.71.811.41.412.25.727.62.818.70.5
121 à 1604.21.37.05.03.23.28.91.015.53.811.22.212.512.49.53.513.71.211.02.35.01.58.12.30.0.7.32.77.41.76.53.23.71.514.73.15.62.37.11.111.53.99.31.47.81.110.74.33.71.28.70.4
plus de 1600.40.40.0.0.0.3.80.70.0.1.80.912.512.415.24.314.61.31.20.80.0.1.41.00.0.3.31.92.81.01.51.50.0.6.42.10.0.4.20.96.93.07.31.211.91.43.23.21.10.75.60.3
peuplement inéquien18.12.529.29.130.87.337.91.722.84.335.53.562.518.223.55.045.91.824.83.231.53.255.14.036.78.851.85.242.63.123.45.628.23.634.44.027.54.431.22.025.65.235.22.248.62.229.08.724.72.836.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793854/260186
IFN1
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau terrestre IFN1
état1983/85
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indication0 (sans boisement)0.0.0.0.0.0.0.90.20.50.50.50.30.0.2.71.30.70.20.0.0.20.21.50.74.32.41.10.71.40.50.0.0.0.0.80.60.0.0.30.20.0.1.00.31.20.31.71.70.20.20.70.1
1 à 400.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.10.10.0.0.0.0.10.10.0.0.0.0.00.0
41 à 800.0.0.0.0.0.0.20.10.0.0.0.0.0.0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.30.20.0.0.10.10.0.0.0.0.0.0.10.0
81 à 1200.40.30.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.40.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
121 à 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.40.40.0.0.0.0.10.10.0.0.0.0.0.0.0.0.20.20.00.0
plus de 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
peuplement inéquien3.70.96.43.76.52.94.10.55.41.55.81.23.73.710.22.53.10.43.81.04.21.02.00.85.52.75.01.74.81.06.12.22.00.89.11.83.81.33.00.56.72.22.80.56.00.73.52.53.70.94.20.2
total4.30.96.43.76.52.95.30.55.91.66.31.23.73.712.92.84.00.53.81.04.71.03.51.19.93.46.51.86.51.16.12.22.40.910.01.83.81.33.70.66.72.23.90.67.20.85.23.04.10.95.10.2
critique0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 401.90.61.61.60.0.1.60.30.0.0.20.20.0.5.31.81.60.30.30.30.90.50.30.30.0.0.0.3.20.81.71.21.30.70.70.52.10.92.00.42.31.31.90.42.40.53.42.31.40.51.60.1
41 à 800.60.30.0.0.0.1.30.30.0.2.80.80.0.1.30.90.80.20.60.40.90.40.0.1.31.32.41.21.20.50.90.90.70.51.20.70.0.0.50.21.51.01.20.40.90.30.0.0.80.41.00.1
81 à 1201.80.62.52.51.11.11.20.31.40.80.20.20.0.0.70.70.50.20.0.1.30.50.0.1.41.40.60.61.00.40.0.1.70.81.10.70.0.0.20.13.61.60.80.31.20.30.0.0.0.0.80.1
121 à 1600.20.20.0.0.0.0.20.11.00.70.50.40.0.1.51.11.00.30.0.0.0.0.0.0.0.1.60.90.0.0.0.0.0.1.20.70.0.0.10.10.0.0.50.20.20.10.0.0.70.40.40.1
plus de 1600.0.0.0.0.0.0.40.20.0.0.0.0.0.0.70.70.40.20.0.0.0.0.0.2.61.81.50.90.0.0.0.0.0.1.50.80.0.0.0.0.0.0.50.20.40.20.0.0.20.20.30.1
peuplement inéquien0.80.42.52.50.0.2.00.30.0.2.70.80.0.0.60.63.70.50.0.1.10.50.30.31.31.32.81.13.60.80.90.91.20.61.90.80.50.50.60.21.91.11.20.42.40.55.83.21.20.51.80.1
total5.41.06.73.81.11.16.70.62.51.16.51.20.0.10.12.58.20.70.90.54.20.90.70.56.72.98.92.19.01.33.51.74.91.27.61.62.61.03.30.59.32.56.10.87.40.89.33.94.20.95.90.2
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.00.0
1 à 4015.11.611.74.68.73.36.10.66.61.79.31.411.26.29.02.47.60.79.31.66.61.23.01.010.93.75.51.67.81.213.23.113.92.05.91.416.02.517.61.28.12.45.60.84.60.79.13.99.71.28.70.3
41 à 8012.21.511.04.34.52.27.30.66.31.87.61.33.73.79.82.53.00.48.01.518.31.83.41.112.13.87.92.19.31.39.12.615.92.09.41.87.21.87.50.815.93.28.30.94.10.612.04.313.31.57.90.3
81 à 12013.91.513.44.44.12.413.40.814.52.68.21.40.0.9.62.43.90.58.71.517.51.87.21.64.02.37.92.19.91.38.32.516.02.110.11.912.72.32.60.56.42.17.50.94.00.610.64.214.21.68.70.3
121 à 1602.10.79.24.10.0.4.60.54.01.45.11.10.0.7.02.17.60.72.20.81.40.60.70.50.0.2.71.22.80.73.21.51.90.85.51.40.40.44.10.69.22.63.00.63.70.65.12.70.80.44.00.2
plus de 1600.40.30.0.0.0.1.70.30.0.1.60.60.0.4.11.66.10.60.30.30.0.0.70.54.12.32.11.01.20.50.0.0.0.0.80.50.0.2.20.46.42.11.40.43.60.60.0.0.20.22.20.1
peuplement inéquien6.41.110.14.411.23.616.60.96.11.710.21.532.89.25.41.821.81.17.41.412.11.68.61.710.83.627.03.320.41.86.82.412.81.914.12.211.82.211.81.018.13.412.21.114.81.120.25.311.01.414.40.3
total50.12.355.47.128.55.149.81.237.53.542.02.547.79.844.84.150.01.335.82.655.92.423.82.541.95.753.13.851.42.240.64.660.62.845.83.148.13.445.91.564.14.138.11.634.81.557.06.749.22.245.80.5
stable0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 405.11.05.83.47.53.03.00.48.42.05.81.211.26.20.60.62.60.43.10.93.70.91.40.72.82.02.91.22.30.69.52.63.10.95.51.45.61.511.71.01.30.96.10.83.40.61.51.55.91.04.70.2
41 à 8010.21.41.61.610.33.33.40.411.52.36.61.23.73.73.71.61.80.38.11.56.51.26.91.57.62.72.91.33.20.814.03.17.31.54.81.37.61.89.20.91.70.97.20.84.50.67.03.410.61.45.80.2
81 à 12016.11.611.94.118.34.410.20.814.12.511.51.60.0.8.32.33.30.526.12.411.11.510.01.810.73.63.41.410.11.37.22.312.81.97.11.614.72.45.20.73.91.79.00.96.20.86.63.212.71.59.10.3
121 à 1602.00.68.33.51.51.54.90.511.52.34.71.13.73.72.71.35.40.610.61.72.10.75.81.40.0.5.91.84.70.94.92.01.60.76.11.54.51.42.70.52.81.45.70.85.10.73.42.31.60.64.60.2
plus de 1600.20.20.0.0.0.2.50.40.0.0.70.43.73.76.01.96.70.60.70.50.0.0.70.50.0.2.41.21.80.60.80.80.0.3.71.20.0.1.80.43.31.54.70.77.30.81.51.50.60.33.00.2
peuplement inéquien6.51.13.92.726.24.914.30.98.72.016.01.826.18.611.02.617.91.010.81.711.91.647.12.920.44.714.12.611.11.413.43.17.41.59.41.813.12.316.51.16.92.219.21.324.11.38.53.711.11.415.90.3
total40.22.231.56.363.95.438.31.254.13.545.32.548.59.832.23.937.81.259.52.735.22.372.02.741.55.731.53.533.12.149.84.632.22.636.63.045.53.447.11.519.83.451.91.650.61.628.55.942.52.243.10.5
total0 (sans boisement)0.0.0.0.0.0.0.90.20.50.50.50.30.0.2.71.30.80.20.0.0.20.21.50.74.32.41.10.71.40.50.0.0.0.0.80.60.0.0.30.20.0.1.00.31.20.31.71.70.20.20.70.1
1 à 4022.31.819.15.516.24.210.70.815.02.415.41.822.48.215.03.011.90.812.81.811.21.54.81.213.64.18.42.013.51.524.43.718.22.212.12.023.62.731.41.411.72.813.61.110.41.014.04.717.01.515.00.3
41 à 8023.01.912.74.514.93.712.20.817.82.717.01.97.55.214.73.05.60.616.72.025.82.110.41.821.04.513.22.513.71.524.13.923.92.415.42.214.82.417.41.219.03.416.81.29.50.918.95.124.81.914.70.3
81 à 12032.22.027.95.823.54.824.91.130.13.319.92.00.0.18.63.27.80.734.82.529.92.217.22.316.24.412.32.520.91.715.53.330.42.618.32.427.43.08.00.814.03.017.21.211.41.017.25.026.92.018.70.4
121 à 1604.40.917.45.11.51.59.80.716.52.710.31.53.73.711.12.714.10.912.81.83.50.96.61.50.0.10.22.37.41.28.12.53.91.112.72.14.91.57.00.812.02.99.20.99.00.98.63.23.30.89.00.3
plus de 1600.60.40.0.0.0.4.60.50.0.2.30.83.73.710.72.513.30.91.00.60.0.1.50.76.72.95.91.83.00.80.80.80.0.6.01.50.0.4.00.69.72.56.60.811.31.01.51.51.00.45.50.2
peuplement inéquien17.51.722.95.943.95.737.01.220.12.834.72.462.79.527.33.746.61.322.02.229.32.258.12.938.15.648.93.740.02.227.24.123.52.434.62.929.33.131.81.433.64.035.51.647.21.638.06.526.92.036.30.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793855/260187
IFN2
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN1/IFN2/IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état1993/95
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indication0 (sans boisement)0.40.40.0.5.13.71.00.40.0.0.0.0.0.2.61.81.70.50.0.1.50.91.01.03.83.72.91.73.41.20.0.0.0.4.71.91.21.20.60.43.12.20.70.41.90.60.0.0.0.1.30.2
1 à 400.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
41 à 800.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
81 à 1200.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
121 à 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
plus de 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
peuplement inéquien0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.40.40.0.5.13.71.00.40.0.0.0.0.0.2.61.81.70.50.0.1.50.91.01.03.83.72.91.73.41.20.0.0.0.4.71.91.21.20.60.43.12.20.70.41.90.60.0.0.0.1.30.2
critique0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 401.70.90.0.0.0.1.00.30.0.1.30.80.0.2.92.12.90.60.50.51.40.80.70.70.0.0.0.0.90.70.0.0.0.3.31.62.61.63.80.910.03.50.90.42.50.70.0.0.40.41.80.2
41 à 800.0.0.0.3.23.20.90.30.0.1.50.90.0.0.0.0.80.31.20.82.61.20.70.78.64.91.41.40.40.40.0.0.50.51.71.20.0.1.00.43.02.11.10.51.50.50.0.0.0.1.00.1
81 à 1201.70.90.0.3.72.62.00.51.01.02.41.10.0.4.02.20.80.30.60.66.61.80.0.2.42.40.0.2.41.01.51.52.11.23.11.50.70.70.70.45.82.91.10.51.00.45.53.71.40.81.70.2
121 à 1600.40.40.0.0.0.1.60.40.0.0.0.0.0.1.31.31.50.50.0.2.11.00.90.90.0.0.0.1.70.90.0.0.60.61.81.20.0.0.40.34.42.50.20.21.00.40.0.0.30.30.90.1
plus de 1600.0.0.0.0.0.0.10.10.0.0.0.0.0.5.62.72.90.60.0.0.0.0.0.0.0.0.80.80.80.60.0.0.0.1.71.20.0.0.60.36.43.10.50.31.70.60.0.0.0.0.90.1
peuplement inéquien0.0.0.0.1.91.90.40.21.41.42.41.10.0.0.0.0.30.20.0.1.50.80.0.9.75.70.0.1.50.90.0.0.0.0.0.0.0.1.00.50.0.0.70.42.00.60.0.0.80.60.80.1
total3.81.30.0.8.84.55.90.82.31.77.71.80.0.13.84.19.31.12.31.114.22.52.21.320.87.32.11.57.81.81.51.53.21.411.52.93.31.77.51.229.55.64.61.09.71.35.53.72.91.17.10.3
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4010.92.08.25.61.91.96.30.84.72.39.62.10.0.13.74.05.80.99.72.38.11.92.01.13.63.511.83.110.72.011.34.28.42.45.42.014.62.915.71.61.51.55.51.19.31.314.26.88.21.78.40.4
41 à 808.11.823.48.412.05.26.90.90.0.11.22.312.512.47.23.24.10.712.42.68.22.04.41.63.63.514.93.811.42.08.73.87.02.08.02.47.82.811.81.512.14.18.91.35.91.00.0.6.51.67.80.4
81 à 12013.32.121.86.422.66.715.81.39.03.118.72.80.0.6.93.05.50.811.92.529.73.37.92.312.26.015.93.914.62.27.73.214.92.89.72.714.43.53.60.94.82.812.01.55.51.07.15.117.72.411.50.4
121 à 1603.81.211.16.35.03.77.60.94.42.25.41.60.0.8.93.59.41.14.21.67.61.99.32.514.86.54.62.23.01.10.0.4.41.56.72.22.61.63.70.97.33.26.91.26.11.12.82.84.21.36.20.3
plus de 1600.40.40.0.1.91.92.00.52.21.60.0.0.0.6.23.013.91.30.0.0.50.50.70.70.0.12.23.62.10.90.0.0.0.5.32.00.0.2.50.713.24.13.10.88.71.23.33.30.0.4.30.3
peuplement inéquien0.40.419.27.86.33.56.40.91.01.06.11.60.0.12.13.86.70.93.61.44.11.43.11.30.0.6.42.69.61.90.0.0.60.63.91.70.0.9.41.35.92.94.71.010.51.47.15.12.20.95.90.3
total36.93.183.77.449.68.045.01.821.34.451.13.712.512.455.16.045.51.841.83.858.13.527.33.834.18.865.85.051.43.227.66.035.33.939.04.439.44.646.72.244.96.041.22.346.12.234.48.838.93.144.10.7
stable0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4011.62.10.0.10.24.94.80.86.92.87.72.012.512.45.92.96.40.94.91.75.91.64.81.77.14.85.32.44.81.315.04.77.42.25.31.98.62.410.01.38.33.57.21.25.01.021.88.113.32.07.10.3
41 à 8017.22.44.03.95.03.77.00.915.83.77.11.950.018.73.92.22.20.515.42.85.71.73.01.312.26.01.81.37.71.718.65.215.02.98.52.516.43.610.61.41.51.59.11.36.21.110.96.19.31.88.20.4
81 à 12021.62.74.14.19.33.813.11.233.75.113.62.50.0.3.02.14.70.816.72.98.72.021.53.511.35.86.42.613.92.130.06.020.53.211.42.919.43.85.51.03.32.413.91.66.71.120.87.225.42.812.30.4
121 à 1605.51.50.0.1.91.99.41.015.13.85.81.60.0.5.62.88.01.08.32.10.50.521.23.50.0.1.21.26.61.67.23.514.32.87.62.46.22.44.20.90.0.10.31.45.31.00.0.6.01.67.30.4
plus de 1600.40.40.0.0.0.3.10.63.62.10.0.25.016.25.72.811.81.20.60.61.00.72.21.30.0.8.12.90.90.60.0.0.80.82.91.50.0.1.60.63.02.15.71.16.81.10.0.0.80.54.00.3
peuplement inéquien2.51.08.25.610.24.910.61.11.31.37.11.90.0.4.42.510.51.110.02.34.51.516.63.210.96.06.32.53.51.20.0.3.51.49.12.55.42.213.41.56.33.07.31.212.31.56.64.43.31.28.60.4
total58.83.216.37.436.57.748.01.876.44.641.33.687.512.428.55.543.61.855.93.826.33.169.43.941.49.229.14.837.43.170.86.161.53.944.84.556.14.545.22.222.55.153.52.442.42.260.18.558.23.247.50.7
total0 (sans boisement)0.40.40.0.5.13.71.00.40.0.0.0.0.0.2.61.81.70.50.0.1.50.91.01.03.83.72.91.73.41.20.0.0.0.4.71.91.21.20.60.43.12.20.70.41.90.60.0.0.0.1.30.2
1 à 4024.22.68.25.612.15.112.11.111.63.318.72.712.512.422.54.915.11.315.12.715.32.57.52.110.75.517.13.716.42.326.35.415.83.013.93.025.83.529.52.019.84.913.61.616.81.636.08.821.92.417.20.5
41 à 8025.32.827.48.920.26.614.81.315.83.719.82.962.518.211.23.87.10.929.03.516.52.78.02.124.37.918.14.119.52.527.35.922.53.318.23.424.24.223.41.916.64.619.11.813.61.510.96.115.82.417.00.5
81 à 12036.63.125.97.435.67.230.91.643.75.334.83.40.0.13.94.011.01.229.23.544.93.629.44.025.98.022.34.330.92.939.35.937.63.724.13.734.54.69.71.314.04.427.12.113.21.533.49.044.53.025.40.6
121 à 1609.71.911.16.36.94.118.61.419.54.211.22.20.0.15.84.418.91.412.52.510.22.231.43.914.86.55.72.511.32.17.23.519.33.216.13.28.82.88.31.211.63.917.41.812.41.52.82.810.62.014.50.5
plus de 1600.90.60.0.1.91.95.30.85.82.60.0.25.016.217.54.628.71.70.60.61.50.82.91.50.0.21.14.43.81.20.0.0.80.89.92.60.0.4.71.022.65.39.31.417.31.73.33.30.80.59.30.4
peuplement inéquien3.01.127.38.918.36.017.41.33.62.115.52.60.0.16.64.517.51.413.62.610.12.119.73.420.67.712.73.614.62.30.0.4.11.513.03.05.42.223.81.912.24.112.81.624.81.913.76.76.41.615.30.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793856/260188
IFN2
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 x 1,4 km
état1993/95
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indication0 (sans boisement)0.40.40.0.5.13.71.00.30.0.0.0.0.0.2.41.71.60.40.0.1.40.81.01.03.43.42.81.63.41.10.0.0.0.4.31.71.21.20.60.32.71.90.60.41.90.60.0.0.0.1.20.1
1 à 400.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
41 à 800.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
81 à 1200.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
121 à 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
plus de 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
peuplement inéquien0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.40.40.0.5.13.71.00.30.0.0.0.0.0.2.41.71.60.40.0.1.40.81.01.03.43.42.81.63.41.10.0.0.0.4.31.71.21.20.60.32.71.90.60.41.90.60.0.0.0.1.20.1
critique0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 401.70.80.0.0.0.1.10.30.0.1.30.70.0.2.71.93.90.70.50.51.30.70.60.60.0.0.0.1.50.80.0.0.60.63.01.52.51.53.90.811.43.60.80.42.30.70.0.0.40.42.00.2
41 à 800.0.0.0.3.23.20.90.30.0.1.40.80.0.0.0.0.70.31.20.82.51.10.60.67.84.51.31.30.40.40.0.0.50.51.61.10.0.1.10.42.61.81.30.51.40.53.23.20.40.41.00.1
81 à 1201.70.80.0.3.72.61.90.50.90.92.31.00.0.3.72.00.70.30.60.66.31.70.0.2.22.20.0.2.10.91.51.52.11.22.81.40.70.70.60.45.12.51.10.50.90.45.33.51.30.81.50.2
121 à 1600.40.40.0.0.0.1.60.40.0.0.0.0.0.1.21.21.30.40.0.2.61.10.90.90.0.0.0.1.60.80.0.0.60.61.61.10.0.0.40.33.82.20.20.20.90.40.0.0.30.30.90.1
plus de 1600.0.0.0.0.0.0.10.10.0.0.0.0.0.5.12.52.70.60.0.0.0.0.0.0.0.0.70.71.20.70.0.0.0.1.61.10.0.0.50.35.62.70.40.31.60.50.0.0.0.0.90.1
peuplement inéquien0.0.0.0.1.91.90.30.21.31.32.31.00.0.0.0.0.20.20.0.1.40.80.0.8.85.20.0.1.30.80.0.0.0.0.70.70.0.0.90.40.0.0.70.41.90.60.0.0.80.60.80.1
total3.71.20.0.8.84.55.90.82.31.67.31.80.0.12.73.89.71.02.21.114.12.42.21.318.86.72.01.58.11.71.51.53.71.511.42.83.21.77.51.128.45.24.51.09.01.28.54.83.21.17.10.3
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4010.61.98.25.61.91.96.80.95.52.49.62.10.0.16.24.17.00.99.42.27.71.81.91.13.23.212.13.110.41.811.34.28.32.36.52.114.42.916.41.64.32.45.61.010.21.313.76.58.01.78.80.4
41 à 808.31.823.48.412.05.27.00.90.0.11.22.211.111.18.23.23.90.712.02.57.91.94.21.63.23.215.43.810.61.98.73.86.82.07.52.37.72.711.31.411.73.88.51.35.71.00.0.6.71.67.60.4
81 à 12012.92.121.86.422.66.715.51.39.93.218.22.70.0.7.83.15.00.811.62.428.83.27.62.211.05.516.13.913.42.07.73.215.22.89.02.514.23.53.30.85.52.712.01.55.61.06.94.917.32.311.10.4
121 à 1603.61.211.16.35.03.77.30.95.22.35.21.50.0.8.23.28.81.04.61.67.71.98.92.413.55.94.32.12.61.00.0.4.71.66.32.02.51.53.40.86.32.86.41.15.71.02.72.74.11.35.90.3
plus de 1600.40.40.0.1.91.92.20.52.11.50.0.0.0.5.82.813.21.20.0.0.40.40.60.60.0.11.63.43.01.10.0.0.0.4.91.80.0.2.80.711.53.62.90.88.21.13.23.20.0.4.30.3
peuplement inéquien0.40.419.27.86.33.56.50.80.90.95.81.60.0.11.23.56.70.93.51.44.41.42.91.30.0.6.12.59.81.80.0.0.60.64.41.80.0.9.21.25.12.55.41.010.41.36.94.92.20.96.00.3
total36.33.183.77.449.68.045.21.723.74.550.03.611.111.157.35.844.61.741.13.857.03.526.33.630.98.165.64.949.93.127.66.035.63.838.54.238.94.646.32.144.55.640.72.345.82.133.38.438.33.143.80.7
stable0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4012.52.10.0.10.24.95.00.86.72.77.91.922.214.75.42.76.80.95.31.76.11.65.31.89.95.55.02.24.61.215.04.77.82.25.61.99.92.510.81.312.03.88.21.26.01.021.17.813.42.07.60.3
41 à 8016.72.44.03.95.03.77.00.915.33.67.71.944.417.63.62.12.40.515.02.76.41.72.91.211.05.51.71.28.11.718.65.214.72.87.92.316.13.510.41.31.31.38.81.36.21.010.66.09.51.88.10.4
81 à 12021.82.74.14.19.33.812.81.232.74.913.42.40.0.2.71.94.30.716.22.88.82.022.13.510.25.46.02.514.52.130.06.020.03.112.62.919.23.85.00.92.92.113.71.66.51.120.17.125.72.711.90.4
121 à 1605.41.50.0.1.91.99.31.014.63.75.51.50.0.5.22.68.00.99.22.20.50.521.43.50.0.1.11.16.31.57.23.514.02.87.12.26.12.44.30.90.0.10.41.45.10.90.0.5.91.57.20.3
plus de 1600.40.40.0.0.0.3.20.63.52.00.0.22.214.75.32.611.21.10.60.61.00.72.21.30.0.9.83.11.20.70.0.0.80.82.71.40.0.1.80.62.71.85.51.06.91.10.0.0.70.54.10.3
peuplement inéquien2.91.18.25.610.24.910.71.11.21.28.22.00.0.5.32.611.41.110.32.34.81.516.73.215.76.66.02.43.91.20.0.3.41.49.82.55.42.213.41.45.52.77.51.212.41.46.44.33.21.18.90.4
total59.63.116.37.436.57.747.91.774.04.742.73.588.911.127.65.244.11.756.63.827.53.170.53.846.88.829.74.738.63.070.86.160.73.845.74.356.74.545.72.124.44.954.22.343.22.158.28.658.53.147.90.7
total0 (sans boisement)0.40.40.0.5.13.71.00.30.0.0.0.0.0.2.41.71.60.40.0.1.40.81.01.03.43.42.81.63.41.10.0.0.0.4.31.71.21.20.60.32.71.90.60.41.90.60.0.0.0.1.20.1
1 à 4024.82.68.25.612.15.112.81.112.13.318.82.722.214.724.34.817.71.315.32.715.12.47.92.113.16.017.23.616.62.226.35.416.63.015.13.026.83.531.11.927.74.914.61.618.61.734.88.521.82.418.40.5
41 à 8025.02.827.48.920.26.614.81.215.33.620.32.955.617.611.83.87.00.928.23.416.82.67.72.022.17.218.44.119.12.427.35.922.03.216.93.223.94.222.81.815.64.218.61.813.31.513.86.516.62.416.70.5
81 à 12036.43.025.97.435.67.230.21.643.65.234.03.30.0.14.23.910.01.028.43.443.93.529.73.923.57.522.14.230.02.739.35.937.43.724.43.634.14.68.81.213.54.126.82.013.01.432.38.944.43.024.60.5
121 à 1609.41.911.16.36.94.118.21.319.84.210.72.10.0.14.64.118.11.313.82.610.82.231.33.913.55.95.42.410.51.97.23.519.33.115.03.08.72.88.11.210.13.417.11.711.81.42.72.710.42.014.10.5
plus de 1600.80.60.0.1.91.95.50.85.62.50.0.22.214.716.24.327.11.50.60.61.40.82.81.40.0.22.14.35.41.40.0.0.80.89.22.50.0.5.10.919.74.68.81.316.71.63.23.20.70.59.30.4
peuplement inéquien3.31.227.38.918.36.017.51.33.52.016.22.60.0.16.54.318.31.313.82.610.62.119.63.324.57.812.03.415.02.20.0.4.01.515.03.05.42.223.61.810.63.613.61.624.71.913.26.56.21.515.70.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793857/260189
IFN2
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau terrestre IFN2
état1993/95
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
pas d'indication0 (sans boisement)0.40.40.0.4.53.30.90.30.0.0.0.0.0.4.12.01.60.40.0.1.40.80.90.95.94.02.51.54.21.20.0.0.0.3.81.51.21.20.50.33.52.00.60.31.90.60.0.0.0.1.30.1
1 à 400.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
41 à 800.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
81 à 1200.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
121 à 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
plus de 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
peuplement inéquien0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.40.40.0.4.53.30.90.30.0.0.0.0.0.4.12.01.60.40.0.1.40.80.90.95.94.02.51.54.21.20.0.0.0.3.81.51.21.20.50.33.52.00.60.31.90.60.0.0.0.1.30.1
critique0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 401.50.80.0.0.0.1.00.30.0.1.50.80.0.2.41.73.90.60.40.41.10.60.60.60.0.0.0.1.40.70.0.0.50.52.61.32.41.53.60.89.73.00.70.42.30.60.0.0.30.31.90.2
41 à 800.0.0.0.2.92.91.00.30.0.1.70.90.0.0.0.1.00.31.00.72.61.10.60.610.34.32.01.40.70.50.0.0.40.41.30.90.0.1.00.42.11.51.10.51.40.52.92.90.30.31.10.1
81 à 1201.60.80.0.3.12.22.10.50.80.82.10.90.0.3.01.70.80.30.50.56.51.60.0.4.83.50.0.1.90.81.41.41.81.03.31.40.60.60.60.35.32.31.10.51.00.44.32.91.20.71.60.2
121 à 1600.40.40.0.0.0.1.60.40.0.0.0.0.0.1.11.11.40.40.0.2.71.10.70.70.0.0.0.1.80.80.0.0.50.52.11.20.0.0.30.23.21.80.40.30.80.40.0.0.30.30.90.1
plus de 1600.0.0.0.0.0.0.10.10.0.0.0.0.0.4.32.12.80.60.0.0.0.0.0.0.0.0.70.71.00.60.0.0.0.1.41.00.0.0.50.36.72.60.40.31.90.60.0.0.0.0.90.1
peuplement inéquien0.0.0.0.1.61.60.30.21.31.32.10.90.0.0.0.0.20.10.0.1.20.70.0.7.54.40.0.1.10.70.0.0.0.0.60.60.0.1.00.41.01.00.60.32.10.60.0.0.70.50.70.1
total3.51.10.0.7.63.96.10.82.21.67.41.70.0.10.83.310.11.02.01.014.12.31.91.122.56.42.71.67.91.61.41.43.31.311.42.63.01.66.91.028.04.74.30.99.61.27.24.12.91.07.20.3
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4011.71.912.46.03.22.17.10.86.02.410.12.00.0.18.34.06.80.88.72.07.81.71.81.05.43.712.93.09.41.713.04.19.82.36.31.913.92.716.51.56.02.66.31.09.81.211.45.57.51.59.00.4
41 à 809.11.818.97.013.55.37.00.81.11.111.32.19.19.08.23.04.20.711.92.48.11.83.91.52.72.714.43.410.41.712.44.26.01.77.12.18.02.711.61.39.73.18.71.25.50.93.53.56.91.57.70.3
81 à 12012.31.922.96.624.56.415.31.29.83.017.92.50.0.6.62.75.30.712.02.327.62.97.72.19.34.716.93.612.41.97.12.915.92.78.02.213.73.43.40.85.62.411.61.45.40.99.25.216.32.110.90.4
121 à 1603.31.19.25.24.53.37.30.95.52.25.01.40.0.9.13.19.30.95.31.68.51.88.62.211.45.14.72.03.31.00.0.5.21.66.82.02.41.53.00.75.32.36.91.15.90.92.22.24.21.26.10.3
plus de 1600.40.40.0.1.61.62.40.51.91.30.0.0.0.5.22.513.21.11.00.70.70.50.60.60.0.10.93.12.70.90.0.0.0.6.82.00.0.2.70.79.63.02.50.77.81.12.92.90.0.4.30.2
peuplement inéquien0.40.423.27.77.03.46.10.80.80.86.01.50.0.9.33.06.70.84.21.44.61.32.71.20.0.5.22.110.01.70.0.0.50.53.91.60.0.8.91.26.62.65.10.910.61.25.74.12.70.96.00.3
total37.13.086.66.254.37.545.31.625.04.450.33.49.19.056.85.345.41.643.13.657.23.325.33.428.97.265.04.648.22.932.55.937.53.638.84.038.04.546.02.042.75.041.02.145.02.034.97.737.72.943.90.6
stable0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 4012.52.00.0.9.04.55.00.77.12.67.31.827.313.96.32.76.80.84.91.66.11.55.31.68.44.75.12.14.91.214.74.38.72.17.02.010.62.410.71.210.13.28.01.26.41.020.07.013.42.07.70.3
41 à 8015.72.23.83.64.53.37.30.814.33.38.21.936.415.03.01.72.50.514.12.56.31.62.71.29.34.72.61.58.61.616.74.713.72.58.22.215.33.410.71.22.21.58.51.26.11.012.15.79.11.77.90.3
81 à 12022.92.63.23.27.93.312.31.132.04.612.32.20.0.3.42.04.40.716.82.78.91.923.33.48.84.76.62.414.82.028.45.518.72.811.12.620.13.85.30.93.62.013.51.46.01.017.96.326.92.511.90.4
121 à 1604.91.30.0.1.61.69.41.015.23.65.51.59.19.04.32.27.70.98.22.00.40.422.63.30.0.0.90.96.11.46.33.114.42.76.72.06.82.54.30.80.0.10.01.35.50.90.0.6.21.57.20.3
plus de 1600.40.40.0.0.0.3.10.63.31.90.80.618.212.15.52.410.71.00.50.51.40.81.91.10.0.9.22.71.10.60.0.0.70.72.31.20.0.2.00.62.21.56.11.06.71.00.0.1.00.64.00.2
peuplement inéquien2.61.06.44.410.64.710.71.01.11.18.21.90.0.5.82.610.91.010.52.24.11.316.22.916.26.15.42.24.11.10.0.3.11.210.72.45.02.113.71.47.82.88.11.212.81.37.94.52.91.09.00.4
total59.13.013.46.233.67.147.71.672.94.542.43.390.99.028.34.942.91.655.03.627.32.972.03.542.78.129.84.439.62.866.16.059.23.746.04.057.74.446.62.025.84.654.22.143.62.057.98.159.42.947.60.6
total0 (sans boisement)0.40.40.0.4.53.30.90.30.0.0.0.0.0.4.12.01.60.40.0.1.40.80.90.95.94.02.51.54.21.20.0.0.0.3.81.51.21.20.50.33.52.00.60.31.90.60.0.0.0.1.30.1
1 à 4025.82.612.46.012.24.713.11.113.03.319.02.527.313.927.04.617.61.214.02.515.02.37.61.913.85.518.13.415.82.027.75.019.03.015.92.826.93.330.71.825.84.414.91.518.61.531.37.721.22.318.50.5
41 à 8024.82.622.67.621.06.315.21.215.43.421.22.745.515.611.23.47.60.927.03.217.02.57.21.922.36.418.93.819.72.329.15.720.12.916.62.923.34.123.21.714.03.618.31.613.01.318.56.816.32.216.70.5
81 à 12036.72.926.17.235.56.729.81.542.64.932.33.10.0.13.03.410.41.029.23.343.03.231.03.722.96.823.53.929.12.537.05.436.53.522.43.334.34.59.21.214.43.726.21.812.41.331.58.244.42.824.30.5
121 à 1608.61.79.25.26.13.718.21.320.74.010.52.09.19.014.53.718.31.313.52.411.72.131.93.611.45.15.62.211.21.86.33.120.13.015.62.99.22.87.71.18.52.817.21.612.21.32.22.210.71.914.20.4
plus de 1600.80.60.0.1.61.65.60.75.12.30.80.618.212.115.03.926.71.41.60.92.11.02.51.20.0.20.83.94.71.20.0.0.70.710.52.40.0.5.10.918.43.99.01.216.51.52.92.91.00.69.30.3
peuplement inéquien3.01.129.68.219.25.617.21.23.21.916.32.40.0.15.13.817.81.214.62.59.91.918.93.123.77.010.63.015.22.10.0.3.61.315.22.85.02.123.51.715.43.813.81.525.51.813.66.06.31.415.70.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793858/260190
IFN3
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN1/IFN2/IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critique0 (sans boisement)0.80.60.0.0.0.0.90.30.0.0.60.60.0.1.31.31.00.40.0.1.00.70.0.6.44.50.0.1.70.80.0.0.0.2.31.32.51.70.20.21.31.30.70.40.60.40.0.0.50.50.80.1
1 à 400.40.40.0.0.0.0.50.32.01.30.0.0.0.0.0.1.00.44.81.72.41.00.70.73.63.53.41.91.70.91.91.94.71.80.80.81.30.90.40.32.61.80.90.41.40.54.34.31.90.81.30.2
41 à 800.80.60.0.0.0.0.20.21.91.31.50.80.0.2.71.80.50.31.20.94.01.40.0.10.96.00.0.1.10.60.0.0.0.0.80.81.91.40.0.0.0.1.80.61.00.42.82.80.40.40.90.1
81 à 1201.20.70.0.0.0.0.70.31.01.01.90.90.0.0.0.0.50.30.60.62.61.20.0.7.14.81.21.23.81.30.0.2.41.20.70.70.0.0.0.0.0.1.60.60.40.30.0.2.81.11.10.1
121 à 1600.90.60.0.1.91.90.50.30.0.0.50.50.0.2.71.80.40.21.20.81.40.80.0.0.0.0.0.0.70.50.0.1.10.80.0.0.0.0.30.30.0.0.70.40.80.40.0.1.20.70.60.1
plus de 1600.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.30.20.0.0.0.0.0.0.0.1.21.20.0.0.0.0.0.0.70.70.0.0.50.30.0.0.0.0.60.30.0.0.0.0.20.1
peuplement inéquien0.40.40.0.0.0.0.70.31.01.00.0.0.0.2.61.80.40.20.0.0.50.50.70.70.0.3.52.00.40.41.91.90.0.0.0.1.21.20.60.30.0.0.20.20.80.40.0.2.31.00.70.1
total4.61.40.0.1.91.93.70.75.82.34.41.40.0.9.23.34.10.77.82.111.92.31.30.927.98.09.23.19.51.93.82.68.12.35.31.97.02.41.90.64.02.25.91.15.71.07.15.19.11.85.50.3
stabilité moindrie0 (sans boisement)0.40.40.0.0.0.1.20.41.01.01.60.90.0.1.31.31.00.40.60.62.11.00.0.0.0.1.11.10.40.41.91.90.80.80.0.1.21.20.60.30.0.0.70.40.80.42.82.80.50.50.90.1
1 à 4012.02.10.0.3.82.57.00.93.31.99.62.20.0.5.52.73.50.74.91.75.91.62.51.27.55.03.11.87.01.79.43.95.91.93.91.712.62.69.01.36.03.04.31.07.01.10.0.9.91.76.50.3
41 à 807.31.70.0.5.74.03.30.65.72.58.71.90.0.14.84.34.10.75.41.84.71.51.30.924.38.22.11.53.31.212.54.53.41.43.71.66.82.49.41.33.32.33.60.94.80.93.33.39.31.95.40.3
81 à 12011.02.03.03.010.64.78.31.019.04.212.12.40.0.12.94.05.00.810.62.421.12.98.02.321.96.62.41.77.41.64.62.610.92.412.42.810.03.02.00.67.73.48.61.33.50.82.82.812.82.28.10.4
121 à 1602.91.10.0.3.23.27.60.94.72.33.81.30.0.5.62.85.50.84.81.62.41.13.81.73.63.55.72.53.51.21.91.94.51.79.12.64.02.02.40.77.83.46.41.24.50.90.0.3.51.24.90.3
plus de 1600.0.0.0.0.0.3.20.61.31.30.90.60.0.4.32.54.90.81.20.80.50.51.30.90.0.5.42.41.20.71.51.50.0.9.12.50.0.3.30.89.03.51.60.64.60.90.0.0.0.2.70.2
peuplement inéquien4.31.30.0.5.03.79.71.04.22.15.81.80.0.8.23.37.10.90.60.64.61.52.61.50.0.13.13.52.21.00.0.0.50.51.51.13.31.98.51.39.33.76.21.25.91.10.0.2.21.05.90.3
total38.13.23.03.028.47.340.31.739.25.242.53.60.0.52.65.931.01.728.03.541.43.519.53.457.39.332.94.925.12.831.76.225.93.539.64.338.04.735.12.143.16.231.42.231.22.18.84.938.23.234.30.6
stable0 (sans boisement)0.40.40.0.0.0.1.40.42.01.33.61.40.0.0.0.1.00.40.60.61.00.70.0.0.0.6.32.51.30.80.0.0.0.3.31.62.51.70.0.2.61.81.10.50.40.32.82.80.80.61.10.1
1 à 4016.32.18.25.611.44.87.60.99.42.811.02.30.0.12.23.75.90.97.21.99.32.05.71.99.95.64.82.28.11.811.34.212.72.610.62.713.32.98.11.27.23.28.31.36.21.114.26.814.72.28.70.4
41 à 8013.42.212.16.410.85.25.30.88.73.011.22.275.016.25.92.96.40.99.02.27.11.85.22.02.42.41.11.18.01.718.95.314.72.88.82.56.42.219.31.88.03.58.31.38.11.222.48.38.91.89.30.4
81 à 12014.92.326.48.819.95.614.81.223.74.38.92.025.016.27.33.28.61.024.73.312.22.319.63.40.0.3.72.119.12.528.25.826.33.513.63.119.63.88.21.310.63.816.21.78.31.234.58.520.72.513.90.5
121 à 1606.41.633.49.416.95.69.51.05.82.67.31.80.0.4.62.612.41.213.12.67.71.911.82.72.42.411.53.117.72.44.62.68.12.19.72.68.92.94.81.06.02.913.51.611.51.47.15.14.41.49.80.4
plus de 1600.80.617.07.03.23.24.50.70.0.0.60.60.0.1.61.613.21.23.51.40.0.3.11.60.0.13.93.73.01.11.51.50.80.85.31.90.70.73.70.86.13.15.11.010.41.30.0.0.40.45.30.3
peuplement inéquien5.21.50.0.7.64.412.81.25.52.510.42.20.0.6.72.917.41.46.01.89.32.133.74.00.0.16.63.58.31.80.0.3.51.63.91.73.61.819.11.812.44.210.11.418.11.73.33.32.81.012.10.4
total57.33.297.03.069.77.456.01.855.05.353.13.7100.0.38.35.764.91.864.13.746.73.679.13.514.86.257.95.065.43.164.56.366.03.955.14.455.04.963.02.252.96.362.72.363.12.184.16.852.73.260.20.7
total0 (sans boisement)1.60.80.0.0.0.3.50.62.91.55.81.60.0.2.61.83.00.61.20.94.11.40.0.6.44.57.42.73.41.21.91.90.80.85.72.06.22.20.80.44.02.22.50.71.90.65.53.71.80.92.70.2
1 à 4028.82.68.25.615.24.815.11.214.73.220.62.80.0.17.74.310.41.116.92.717.62.58.92.321.07.511.33.316.92.422.55.223.33.215.33.127.33.317.51.715.94.313.51.614.71.618.57.526.52.516.40.5
41 à 8021.52.712.16.416.56.18.91.016.33.921.42.875.016.223.35.111.01.115.62.815.82.66.52.237.69.13.21.912.42.131.46.218.03.013.32.915.13.528.62.011.34.113.71.613.91.528.48.918.62.515.50.5
81 à 12027.12.829.39.130.56.423.81.543.74.922.93.025.016.220.24.714.11.335.93.635.93.327.63.929.07.87.32.830.22.932.85.839.63.826.63.829.64.210.21.418.34.826.42.012.21.537.28.836.32.923.10.6
121 à 16010.22.033.49.422.06.517.61.310.53.411.52.20.0.12.84.018.41.419.03.011.62.315.63.16.04.317.13.722.02.66.53.213.62.718.83.412.93.47.41.213.84.320.51.916.81.67.15.19.21.915.30.5
plus de 1600.80.617.07.03.23.27.80.91.31.31.50.90.0.5.92.918.31.44.71.60.50.54.51.80.0.20.54.34.21.33.12.10.80.815.03.10.70.77.41.215.14.46.71.215.61.60.0.0.40.48.20.4
peuplement inéquien9.92.00.0.12.65.523.31.510.73.316.22.70.0.17.54.424.81.66.61.914.42.536.94.20.0.33.24.610.92.01.91.94.01.65.42.08.22.828.12.021.75.116.61.824.91.93.33.37.31.718.70.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793859/260191
IFN3
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critique0 (sans boisement)0.80.60.0.0.0.0.80.30.0.0.60.60.0.1.21.20.80.30.0.1.00.70.0.5.64.00.0.1.50.80.0.0.0.2.11.22.41.60.20.21.11.10.70.40.50.30.0.0.50.50.70.1
1 à 400.40.40.0.0.0.0.50.21.91.30.60.60.0.1.21.21.50.44.71.72.31.01.30.99.75.43.21.81.60.81.91.95.21.90.70.72.61.31.10.47.12.80.80.41.60.58.15.41.90.81.60.2
41 à 800.80.60.0.0.0.0.20.21.81.31.40.80.0.2.41.70.60.31.20.93.91.40.0.9.55.30.0.1.00.60.0.0.0.0.80.81.91.40.0.0.0.1.70.60.80.42.62.60.40.40.80.1
81 à 1201.20.70.0.0.0.0.80.30.90.91.80.90.0.0.0.0.50.20.60.63.11.30.0.6.24.21.11.13.51.20.0.2.31.20.60.60.0.0.0.0.0.1.70.60.40.30.0.2.81.11.00.1
121 à 1600.80.60.0.1.91.90.50.20.0.0.50.50.0.2.41.70.40.21.20.81.40.80.0.0.0.0.0.0.70.50.0.1.10.70.0.0.0.0.20.20.0.0.60.40.70.30.0.1.20.70.60.1
plus de 1600.0.0.0.0.0.0.10.10.0.0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.1.11.10.0.0.0.0.0.0.60.60.0.0.40.30.0.0.0.0.50.30.0.0.0.0.20.1
peuplement inéquien0.40.40.0.0.0.1.00.30.90.90.0.0.0.2.31.60.80.30.0.0.50.50.70.70.0.3.31.90.40.41.91.90.0.0.70.72.41.60.50.30.0.0.20.20.70.40.0.2.31.00.70.1
total4.51.30.0.1.91.93.90.75.52.24.81.50.0.9.53.24.70.77.72.112.22.32.01.131.17.98.82.98.71.73.82.68.52.35.41.99.32.62.30.68.12.95.61.15.30.910.76.09.01.85.70.3
stabilité moindrie0 (sans boisement)0.40.40.0.0.0.1.10.40.90.91.60.90.0.1.21.20.80.30.60.62.11.00.0.0.0.1.11.00.40.41.91.90.80.80.0.1.21.20.50.30.0.0.60.40.70.42.62.60.50.50.80.1
1 à 4011.82.00.0.3.82.56.90.93.11.89.72.20.0.7.32.95.30.85.41.75.81.62.41.28.95.03.01.77.31.69.43.95.81.93.51.512.32.611.11.27.63.04.61.09.21.20.0.9.81.77.20.3
41 à 807.61.70.0.5.74.03.40.65.42.49.32.00.0.14.64.13.70.65.31.74.61.51.30.921.47.42.01.53.01.112.54.53.31.43.31.56.62.48.51.12.71.93.30.84.70.93.13.19.11.95.20.3
81 à 12010.82.02.82.810.64.78.00.918.24.011.62.30.0.11.63.64.30.710.42.321.12.87.72.319.25.82.31.67.61.64.62.610.72.311.02.59.73.01.70.57.53.08.31.23.20.75.13.412.62.27.60.3
121 à 1602.91.10.0.3.23.27.50.95.42.43.61.20.0.5.12.54.90.74.71.62.41.13.71.63.13.15.42.43.21.11.91.94.91.78.92.43.91.91.90.66.42.86.11.14.20.80.0.3.51.24.60.3
plus de 1600.0.0.0.0.0.3.20.61.21.20.90.60.0.3.92.24.50.71.20.80.50.51.30.90.0.5.12.31.10.61.51.50.0.8.12.30.0.3.00.77.32.81.70.64.00.80.0.0.0.2.60.2
peuplement inéquien4.21.30.0.5.03.79.81.04.12.05.51.70.0.7.43.07.30.90.60.64.51.52.51.50.0.13.53.52.41.00.0.0.50.51.31.03.21.87.81.18.73.26.31.16.41.00.0.2.21.05.90.3
total37.83.12.82.828.47.339.91.738.45.142.33.50.0.51.15.630.81.628.23.540.93.519.03.452.68.832.34.725.12.731.76.226.03.536.13.937.04.634.51.940.25.530.92.132.51.910.85.037.73.233.90.6
stable0 (sans boisement)0.40.40.0.0.0.1.30.41.91.33.51.30.0.0.0.0.80.30.60.61.00.70.0.0.0.6.02.41.20.70.0.0.0.3.01.42.41.60.0.2.21.51.00.50.40.32.62.60.80.61.00.1
1 à 4016.52.17.95.411.44.87.70.99.02.710.62.215.711.415.93.98.71.07.11.99.01.95.61.98.75.05.62.38.21.711.34.213.02.611.62.613.02.911.91.39.73.310.11.37.81.113.26.414.52.29.80.4
41 à 8013.12.211.66.210.85.25.10.89.63.112.22.363.216.15.32.66.40.88.92.26.91.85.01.92.12.11.01.07.71.618.95.314.42.89.22.46.32.216.71.57.63.07.81.27.81.120.97.89.31.88.90.4
81 à 12015.02.325.48.519.95.614.61.224.74.38.51.921.114.06.62.97.60.924.83.311.92.219.83.40.0.3.52.017.82.328.25.825.93.515.03.019.13.77.01.18.63.115.31.67.51.132.27.920.42.513.10.4
121 à 1606.31.632.19.116.95.69.71.05.52.57.01.70.0.4.12.411.21.113.32.67.51.911.52.65.43.911.63.017.92.34.62.67.92.110.82.58.72.83.90.84.92.413.51.610.71.36.64.84.81.49.50.4
plus de 1600.80.620.27.43.23.24.40.70.0.0.60.60.0.1.51.512.01.13.51.40.0.3.11.50.0.13.23.53.21.11.51.50.80.84.71.70.70.74.10.85.02.54.71.010.21.20.0.0.40.45.20.3
peuplement inéquien5.51.50.0.7.64.413.41.25.32.410.52.10.0.6.02.617.71.35.91.810.52.134.14.00.0.17.93.510.21.90.0.3.41.54.21.73.51.819.51.613.73.911.01.417.81.63.13.13.11.112.80.4
total57.63.297.22.869.77.456.21.756.05.252.93.6100.0.39.55.464.51.664.13.746.93.579.03.516.36.258.94.866.22.964.56.365.53.858.54.153.74.863.22.051.65.763.42.262.22.078.57.553.33.260.40.6
total0 (sans boisement)1.60.80.0.0.0.3.30.62.81.55.61.60.0.2.31.62.50.51.20.84.01.30.0.5.64.07.12.63.21.11.91.90.80.85.11.86.02.20.60.33.21.82.30.71.60.55.13.41.80.92.50.2
1 à 4028.72.67.95.415.24.815.11.214.03.120.92.815.711.424.44.415.51.217.32.717.12.49.32.327.47.511.83.317.12.322.55.224.03.215.82.927.93.224.11.724.44.615.51.618.61.621.37.526.22.518.60.5
41 à 8021.62.611.66.216.56.18.71.016.93.922.92.963.216.122.34.810.61.015.42.815.42.66.32.133.08.33.01.811.72.031.46.217.73.013.22.814.83.425.21.710.33.512.71.513.41.426.58.518.82.514.90.5
81 à 12027.12.828.28.830.56.423.41.443.94.722.02.921.114.018.24.312.31.135.93.636.13.227.53.825.46.86.92.728.92.832.85.838.93.726.63.628.94.18.71.216.14.125.31.911.11.337.38.535.82.921.70.5
121 à 16010.01.932.19.122.06.517.61.311.03.311.12.10.0.11.63.716.41.219.23.011.32.215.23.08.55.017.03.621.82.56.53.213.92.719.73.312.63.36.11.011.23.520.21.815.71.56.64.89.51.914.70.5
plus de 1600.80.620.27.43.23.27.70.91.21.21.50.90.0.5.32.616.71.34.61.60.50.54.41.80.0.19.54.14.31.33.12.10.80.813.42.80.70.77.61.112.33.76.41.114.71.40.0.0.40.48.00.3
peuplement inéquien10.22.00.0.12.65.524.11.510.33.116.02.60.0.15.84.025.91.56.51.915.52.537.34.10.0.34.74.513.02.11.91.93.91.66.32.09.23.027.71.822.44.717.61.725.01.83.13.17.61.719.50.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793860/260192
IFN4
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN1/IFN2/IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critique0 (sans boisement)0.40.40.0.0.0.0.30.20.0.0.0.0.0.0.0.0.50.30.0.1.00.70.0.3.83.70.0.0.50.50.0.0.0.2.31.30.0.0.0.0.0.0.0.0.60.40.0.0.50.50.40.1
1 à 400.40.40.0.0.0.1.10.40.0.0.70.70.0.1.31.31.70.51.20.81.50.80.0.10.25.60.0.2.00.91.91.90.0.3.31.63.11.81.70.65.82.81.40.62.80.70.0.3.11.11.60.2
41 à 800.80.64.14.10.0.0.60.30.0.0.0.0.0.1.31.31.90.50.60.61.10.80.0.0.0.0.0.0.40.40.0.0.0.1.51.11.41.03.30.80.0.0.20.22.20.60.0.0.30.31.10.1
81 à 1200.0.0.0.1.91.90.60.30.0.1.20.80.0.0.0.0.70.30.60.61.00.70.0.0.0.0.0.0.40.40.0.0.0.0.90.90.0.0.20.20.0.0.40.30.40.34.34.30.0.0.50.1
121 à 1600.0.0.0.0.0.0.40.20.0.0.50.50.0.1.31.30.70.30.0.1.71.00.0.0.0.0.0.0.0.0.0.0.0.1.30.90.0.0.20.21.51.50.20.21.30.50.0.0.0.0.50.1
plus de 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.1.61.60.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.51.50.20.20.60.30.0.0.0.0.10.0
peuplement inéquien0.40.40.0.0.0.1.10.40.0.0.90.60.0.0.0.0.70.31.20.91.10.80.0.0.0.2.71.61.40.80.0.0.50.50.0.0.0.1.80.61.31.30.70.41.40.50.0.0.50.50.90.1
total2.10.94.14.11.91.94.10.70.0.3.31.30.0.5.62.76.40.93.61.47.31.90.0.13.96.22.71.64.61.41.91.90.50.59.22.64.52.07.21.210.13.73.20.89.31.34.34.34.41.35.10.3
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.1.00.40.0.0.50.50.0.0.0.0.70.30.0.0.0.0.0.0.0.0.0.0.80.60.0.0.0.0.70.70.0.0.40.30.0.0.20.20.60.42.82.80.0.0.50.1
1 à 4016.72.28.25.610.14.17.80.914.33.314.42.60.0.15.24.25.20.89.02.110.42.17.62.19.95.610.13.012.62.111.34.210.32.410.52.614.13.16.71.18.63.48.21.36.21.115.36.214.12.09.10.4
41 à 807.81.88.15.516.56.16.20.83.81.812.32.312.512.47.63.36.30.97.72.15.01.53.31.417.27.22.31.27.31.78.43.68.72.39.72.67.12.321.31.811.44.06.11.18.51.23.33.36.81.68.50.4
81 à 12011.52.013.06.110.15.08.71.014.93.912.82.412.512.45.32.55.10.811.22.48.82.05.01.912.05.87.02.811.92.01.91.99.52.311.62.912.13.34.81.00.0.5.01.04.20.914.26.710.62.07.70.4
121 à 1604.31.311.16.35.63.16.90.93.52.02.91.20.0.13.24.18.01.04.21.66.01.64.51.86.04.315.13.88.01.80.0.5.01.98.92.52.21.54.71.04.62.56.21.16.41.10.0.2.91.16.00.3
plus de 1601.30.70.0.0.0.2.90.60.0.0.0.0.0.2.71.85.70.81.20.80.50.50.70.73.63.55.62.50.80.51.51.50.0.2.41.40.0.3.60.96.02.94.31.06.91.10.0.0.0.3.00.2
peuplement inéquien3.91.34.14.13.23.211.81.11.91.37.01.80.0.13.74.110.71.110.12.310.32.28.22.37.14.815.13.811.72.11.51.53.81.55.02.07.32.616.61.722.65.28.11.311.91.412.06.63.41.29.90.4
total45.43.344.510.045.57.845.31.838.45.249.93.725.016.257.66.041.71.843.43.940.93.529.13.855.89.355.15.253.03.224.65.837.33.948.74.542.84.958.02.253.26.338.22.344.72.247.69.837.83.144.80.7
stable0 (sans boisement)0.40.44.14.10.0.1.30.40.0.3.31.312.512.40.0.1.60.50.0.1.00.70.0.0.0.4.42.11.20.70.0.0.0.0.80.80.0.0.20.20.0.0.70.41.60.60.0.0.0.1.00.1
1 à 4013.82.10.0.7.04.09.11.06.62.68.92.00.0.3.92.24.10.74.31.511.22.12.01.10.0.5.12.25.41.59.43.98.72.22.31.314.73.02.20.72.61.88.21.32.70.713.16.510.91.86.50.3
41 à 8014.32.24.14.10.0.6.50.916.83.89.62.137.518.25.22.64.70.89.62.37.01.84.61.99.55.36.02.63.41.222.75.611.32.63.71.76.42.28.61.39.53.78.71.36.21.112.06.611.02.07.70.4
81 à 12016.32.321.18.031.75.910.91.117.14.012.02.325.016.27.33.26.80.915.82.712.52.311.32.711.05.31.21.214.32.227.05.921.03.013.43.018.23.73.50.86.73.211.81.54.20.96.64.425.52.711.20.4
121 à 1603.91.37.05.05.03.77.10.912.03.53.41.30.0.2.61.98.71.08.32.16.61.817.43.30.0.6.92.66.71.613.04.311.52.510.42.68.12.72.60.73.02.18.61.33.90.96.04.35.11.46.80.3
plus de 1600.0.3.03.00.0.2.50.50.0.1.80.90.0.6.63.110.01.10.0.0.50.53.41.40.0.2.31.63.21.11.51.52.11.24.41.80.0.4.80.96.02.95.21.16.31.10.0.0.0.3.90.3
peuplement inéquien3.91.312.16.48.94.913.31.29.03.17.82.00.0.11.33.816.11.314.92.812.92.432.23.99.75.716.33.88.11.80.0.7.62.27.02.35.32.012.91.58.93.515.41.721.11.810.46.05.31.413.00.5
total52.53.351.410.052.77.950.61.861.65.246.83.675.016.236.95.851.91.853.03.951.83.670.93.830.38.442.25.142.33.273.65.962.23.942.04.452.64.934.82.136.76.158.62.346.02.248.19.857.83.250.20.7
total0 (sans boisement)0.80.64.14.10.0.2.60.50.0.3.81.412.512.40.0.2.80.60.0.2.01.00.0.3.83.74.42.12.51.00.0.0.0.3.71.60.0.0.60.30.0.0.90.52.90.82.82.80.50.51.80.2
1 à 4030.82.48.25.617.15.118.01.220.93.224.12.90.0.20.34.611.01.114.52.523.12.59.62.220.17.015.23.420.02.422.55.219.12.916.13.131.93.310.61.417.14.317.81.711.71.428.57.828.12.317.20.5
41 à 8022.92.716.37.416.56.113.31.220.64.021.92.950.018.714.14.212.81.217.93.013.12.47.92.426.88.58.32.911.22.031.16.220.03.314.93.114.93.133.12.121.05.115.01.616.81.715.37.218.22.417.30.5
81 à 12027.82.634.18.843.76.920.21.432.04.926.03.037.518.212.63.912.71.227.63.322.22.816.23.123.07.38.23.026.52.728.86.030.43.425.83.730.34.28.51.36.73.217.31.78.81.225.18.136.12.819.40.5
121 à 1608.21.818.27.710.64.714.41.215.53.96.71.70.0.17.14.517.31.412.52.614.32.421.93.56.04.322.04.214.72.213.04.316.53.020.63.410.33.07.41.29.13.515.01.711.71.46.04.37.91.813.30.5
plus de 1601.30.73.03.00.0.5.40.80.0.1.80.90.0.10.93.815.81.31.20.81.00.74.01.63.63.57.82.94.01.23.12.12.11.26.82.20.0.8.41.213.44.09.81.413.81.50.0.0.0.7.10.3
peuplement inéquien8.21.816.27.312.15.526.21.510.93.415.72.60.0.25.05.227.51.626.23.424.33.040.44.116.87.034.15.021.12.71.51.511.92.612.03.012.63.231.32.132.85.924.22.034.42.122.48.39.21.923.80.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793861/260193
IFN3
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 x 1,4 km
état2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critique0 (sans boisement)0.80.60.0.0.0.0.90.30.0.0.60.60.0.1.21.10.80.30.0.1.00.70.0.5.64.00.0.1.50.70.0.0.0.2.11.22.41.60.20.21.01.00.60.40.50.30.0.0.50.50.70.1
1 à 400.40.40.0.0.0.0.60.31.91.30.60.60.0.1.21.11.50.44.71.62.31.01.30.99.75.43.21.81.50.81.91.95.11.90.70.72.61.31.30.46.92.70.80.41.80.67.95.21.90.81.60.2
41 à 800.80.60.0.0.0.0.20.21.81.31.40.80.0.2.41.60.60.21.20.83.91.30.0.9.55.30.0.1.00.60.0.0.0.0.70.71.91.40.0.0.0.1.80.60.80.42.52.50.40.40.90.1
81 à 1201.20.70.0.0.0.0.80.30.90.91.80.90.0.0.0.0.40.20.60.63.11.20.0.6.24.21.11.13.41.10.0.2.31.20.60.60.0.0.0.0.0.1.60.60.40.30.0.2.81.11.00.1
121 à 1600.80.60.0.1.91.90.50.20.0.0.50.50.0.2.41.60.40.21.20.81.40.80.0.0.0.0.0.0.70.50.0.1.00.70.0.0.0.0.20.20.0.0.60.40.70.30.0.1.20.70.50.1
plus de 1600.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.0.20.20.0.0.0.0.0.0.0.1.11.10.0.0.0.0.0.0.60.60.0.0.40.30.0.0.0.0.50.30.0.0.0.0.20.1
peuplement inéquien0.40.40.0.0.0.1.10.40.90.90.0.0.0.2.31.60.80.30.0.0.40.40.60.60.0.3.31.90.40.41.91.90.0.0.70.72.41.60.50.30.0.0.20.20.70.40.0.2.31.00.70.1
total4.51.30.0.1.91.94.30.75.52.24.81.50.0.9.33.14.60.77.72.012.02.31.91.131.17.98.82.98.41.73.82.68.42.35.31.89.22.62.50.67.92.85.71.05.40.910.45.89.01.85.70.3
stabilité moindrie0 (sans boisement)0.40.40.0.0.0.1.10.40.90.91.60.90.0.1.21.10.80.30.60.62.01.00.0.0.0.1.11.00.40.41.91.90.80.80.0.1.21.20.50.30.0.0.60.40.70.42.52.50.50.50.80.1
1 à 4011.82.00.0.3.82.57.30.93.11.89.62.10.0.7.22.85.40.75.41.76.11.62.41.28.95.03.01.77.11.69.43.95.71.93.51.512.12.511.51.38.93.24.50.99.11.20.0.9.81.77.30.3
41 à 807.61.70.0.5.74.03.30.65.42.49.32.00.0.14.44.03.80.65.81.84.51.51.91.121.47.42.01.53.31.112.54.53.31.33.21.48.22.68.51.13.82.23.60.84.70.93.03.09.11.95.30.3
81 à 12010.82.02.82.810.64.78.00.918.24.011.92.30.0.11.53.64.30.710.42.320.72.87.62.219.25.82.31.67.71.64.62.611.12.310.92.59.62.91.80.57.32.98.11.23.20.75.03.312.62.27.60.3
121 à 1602.91.10.0.3.23.27.50.95.42.43.61.20.0.5.02.54.80.74.71.62.31.03.61.63.13.15.42.43.11.01.91.94.91.78.82.43.91.91.90.56.22.75.91.14.40.80.0.3.51.24.60.3
plus de 1600.0.0.0.0.0.3.10.61.21.20.90.60.0.3.82.24.50.71.20.80.50.51.30.90.0.5.12.31.00.61.51.50.0.8.02.20.0.3.10.77.12.81.70.64.00.80.0.0.0.2.60.2
peuplement inéquien4.61.40.0.5.03.79.71.04.12.05.51.70.0.7.32.97.30.90.60.64.41.52.51.40.0.13.53.52.41.00.0.0.50.51.30.93.21.87.61.18.43.16.21.16.31.00.0.2.21.05.90.3
total38.13.12.82.828.47.339.91.738.45.142.33.50.0.50.35.630.81.528.63.540.63.419.33.352.68.832.34.725.02.631.76.226.23.435.63.938.14.635.01.941.85.530.62.132.41.910.54.937.73.233.90.6
stable0 (sans boisement)0.40.40.0.0.0.1.30.41.91.33.41.30.0.0.0.0.80.30.60.61.00.70.0.0.0.6.02.41.20.70.0.0.0.2.91.42.41.60.0.2.11.51.00.50.40.32.52.50.80.61.00.1
1 à 4016.42.17.95.411.44.87.70.99.02.710.52.215.711.415.73.88.90.97.11.98.91.95.51.88.75.05.62.38.01.711.34.212.92.511.42.612.82.811.91.39.53.210.11.37.71.112.86.214.52.29.80.4
41 à 8013.12.211.66.210.85.25.00.79.63.112.12.263.216.16.72.96.30.88.82.27.31.84.91.92.12.11.01.07.51.618.95.314.32.79.12.46.12.116.41.57.43.07.81.27.71.123.28.09.31.88.90.4
81 à 12015.02.325.48.519.95.614.51.224.74.38.51.921.114.06.52.87.60.924.73.212.22.219.43.30.0.3.52.018.02.328.25.825.63.415.53.118.83.67.11.18.43.015.31.67.71.131.27.920.42.513.10.4
121 à 1606.21.632.19.116.95.69.71.05.52.57.01.70.0.4.12.311.01.013.32.67.41.811.22.65.43.911.63.018.22.34.62.68.52.111.32.68.52.84.00.84.72.313.61.510.71.36.44.64.81.49.50.4
plus de 1600.80.620.27.43.23.24.30.70.0.0.60.60.0.1.51.511.91.13.41.40.0.3.01.50.0.13.23.53.11.11.51.50.80.84.61.70.70.74.10.84.92.44.60.910.21.20.0.0.40.45.20.3
peuplement inéquien5.51.50.0.7.64.413.21.15.32.410.92.20.0.5.92.618.11.35.81.810.82.134.84.00.0.17.93.510.61.90.0.3.41.54.21.73.51.819.21.613.33.811.41.417.91.63.03.03.11.112.90.4
total57.43.297.22.869.77.455.81.756.05.252.93.6100.0.40.35.464.61.663.83.747.53.578.83.416.36.258.94.866.52.964.56.365.43.859.14.052.74.862.61.950.25.663.72.262.22.079.27.253.33.260.40.6
total0 (sans boisement)1.60.80.0.0.0.3.30.62.81.55.61.60.0.2.31.62.40.51.20.84.01.30.0.5.64.07.12.63.11.11.91.90.80.85.01.85.92.20.60.33.11.72.30.71.60.55.03.31.80.92.50.2
1 à 4028.62.67.95.415.24.815.51.214.03.120.72.815.711.424.04.415.71.217.22.717.32.49.12.227.47.511.83.316.62.222.55.223.73.215.52.927.43.224.61.725.24.615.31.618.61.620.77.326.22.518.70.5
41 à 8021.52.611.66.216.56.18.51.016.93.922.72.863.216.123.44.810.71.015.92.815.62.66.92.233.08.33.01.811.81.931.46.217.53.013.12.716.23.524.91.711.23.613.21.513.31.428.78.518.82.515.00.5
81 à 12027.02.828.28.830.56.423.31.443.94.722.22.921.114.018.04.212.41.135.73.535.93.227.03.825.46.86.92.729.12.732.85.839.03.727.03.628.44.08.91.215.74.025.01.911.21.336.28.435.82.921.70.5
121 à 1609.91.932.19.122.06.517.61.311.03.311.02.10.0.11.43.616.11.219.13.011.12.214.92.98.55.017.03.622.02.46.53.214.42.720.13.312.43.26.11.010.93.420.11.815.71.56.44.69.51.914.70.5
plus de 1600.80.620.27.43.23.27.60.91.21.21.40.80.0.5.32.616.61.24.61.60.50.54.31.70.0.19.54.14.11.23.12.10.80.813.22.80.70.77.61.112.03.66.21.114.71.40.0.0.40.48.00.3
peuplement inéquien10.62.00.0.12.65.524.01.410.33.116.42.60.0.15.64.026.11.56.41.915.72.537.94.10.0.34.74.513.42.11.91.93.91.66.22.09.02.927.21.821.84.617.81.724.91.83.03.07.61.719.60.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793862/260194
IFN4
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 x 1,4 km
état2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critique0 (sans boisement)0.40.40.0.0.0.0.20.20.0.0.0.0.0.0.0.0.50.20.0.1.00.70.0.3.23.20.0.0.40.40.0.0.0.2.01.10.0.0.0.0.0.0.0.0.50.30.0.0.50.50.30.1
1 à 400.40.40.0.0.0.1.60.40.0.1.20.90.0.2.11.52.80.51.20.81.40.80.0.14.35.81.01.01.80.81.81.80.0.3.61.63.01.73.00.65.92.61.40.54.00.80.0.3.81.22.30.2
41 à 800.80.63.93.90.0.0.70.30.0.0.0.0.0.2.11.52.30.50.60.61.10.80.0.0.0.1.11.10.30.30.0.0.0.1.30.91.30.92.70.72.11.40.20.22.10.60.0.0.30.31.20.1
81 à 1200.0.0.0.1.81.80.60.30.0.1.10.80.0.0.0.0.70.30.60.60.90.70.0.0.0.0.0.0.30.30.0.0.0.0.80.80.0.0.20.20.0.0.40.30.30.23.93.90.0.0.40.1
121 à 1600.0.0.0.0.0.0.30.20.0.0.50.50.0.1.11.10.50.20.0.1.60.90.0.0.0.0.0.0.0.0.0.0.0.1.10.80.0.0.20.21.21.20.20.21.10.40.0.0.0.0.40.1
plus de 1600.0.0.0.0.0.0.10.10.0.0.0.0.0.1.41.40.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.11.10.20.20.50.30.0.0.0.0.10.0
peuplement inéquien0.40.40.0.0.0.1.00.30.0.0.90.60.0.0.0.0.80.31.20.81.00.70.0.0.0.2.41.41.60.80.0.0.50.50.70.70.0.1.60.51.01.00.60.41.60.50.0.0.40.40.90.1
total2.00.93.93.91.81.84.60.70.0.3.71.40.0.6.82.77.70.93.51.47.11.80.0.17.56.34.42.04.41.21.81.80.50.59.52.44.42.07.61.011.33.43.10.810.11.23.93.95.01.45.70.3
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.1.10.40.0.0.50.50.0.0.0.0.60.30.0.0.0.0.0.0.0.0.0.0.70.50.0.0.0.0.60.60.0.0.50.30.0.0.20.20.50.32.52.50.0.0.40.1
1 à 4017.22.27.95.411.54.18.40.913.43.114.22.50.0.19.54.28.00.99.42.211.02.17.92.110.85.39.92.814.32.011.14.110.72.411.42.514.93.19.81.218.54.19.81.39.11.217.76.613.92.010.60.4
41 à 807.61.77.85.315.95.96.40.84.92.211.72.210.510.57.32.95.60.87.52.05.31.53.11.418.06.73.01.57.11.58.23.68.42.39.92.56.92.219.31.612.23.75.91.07.81.13.02.97.01.68.30.4
81 à 12011.32.012.55.99.74.88.20.914.03.612.62.310.510.54.42.14.50.710.92.48.51.95.51.910.24.97.42.711.41.81.81.89.22.210.12.512.83.33.70.80.0.4.50.93.40.712.86.010.21.97.00.3
121 à 1604.21.310.76.15.43.06.70.83.21.92.71.10.0.10.93.46.60.84.11.56.41.74.31.75.13.713.43.46.91.50.0.4.91.88.52.32.11.53.70.83.62.05.81.05.60.90.0.2.81.05.50.3
plus de 1601.20.70.0.0.0.2.70.50.0.0.0.0.0.3.62.04.80.71.71.00.40.40.60.63.03.04.92.21.10.61.51.50.0.2.11.20.0.3.00.74.72.33.90.96.20.90.0.0.0.2.80.2
peuplement inéquien4.31.33.93.93.13.112.01.12.71.57.21.80.0.12.53.611.71.110.42.310.52.27.92.26.14.114.43.511.91.91.51.54.21.65.11.98.22.715.61.417.64.27.91.211.81.310.76.03.31.210.20.4
total45.93.242.89.745.67.645.51.738.25.048.93.621.114.058.25.441.91.643.93.842.03.529.33.753.38.653.04.953.33.024.25.737.43.847.74.244.94.855.52.056.65.538.12.244.32.046.69.437.23.144.80.6
stable0 (sans boisement)0.40.43.93.90.0.1.20.40.0.3.21.310.510.50.0.1.30.40.0.1.00.70.0.0.0.3.91.91.00.60.0.0.0.0.70.70.0.0.10.10.0.0.60.41.30.50.0.0.0.0.90.1
1 à 4014.02.10.0.6.73.98.90.96.22.48.51.915.711.44.32.15.60.84.21.510.92.01.91.10.0.4.51.95.41.49.23.99.82.32.61.314.22.94.80.83.31.99.11.34.30.811.85.910.91.87.00.3
41 à 8014.12.23.93.90.0.6.00.815.83.611.02.231.615.94.32.14.70.79.32.27.31.85.11.98.24.66.32.53.31.122.35.611.02.54.71.76.22.29.01.17.43.08.01.26.41.014.66.710.61.97.50.3
81 à 12016.02.320.37.730.65.710.61.017.03.911.92.221.114.06.02.65.90.815.42.612.12.211.62.79.54.61.71.212.71.928.15.920.33.013.12.817.53.53.10.75.22.511.01.44.40.88.44.725.92.610.30.4
121 à 1603.81.36.84.94.93.66.70.813.43.63.21.20.0.3.31.97.40.88.12.16.41.717.33.23.23.26.12.37.81.612.84.211.62.49.12.37.82.62.20.62.31.68.61.33.30.75.43.84.91.46.40.3
plus de 1600.0.6.74.60.0.2.30.50.90.91.70.80.0.5.52.68.50.90.0.0.50.53.21.40.0.2.01.43.51.11.51.52.01.23.91.60.0.4.20.84.62.24.91.05.30.90.0.0.0.3.70.2
peuplement inéquien3.81.311.66.210.45.014.41.28.42.97.91.90.0.11.73.517.01.215.62.812.92.331.63.88.34.918.03.78.51.70.0.7.42.18.82.35.11.913.51.39.23.116.61.720.61.69.35.55.51.413.70.4
total52.13.253.39.852.67.750.01.761.85.047.43.678.914.035.05.350.41.652.63.850.93.570.73.729.27.842.64.842.23.074.05.862.13.842.84.150.84.836.81.932.15.258.92.245.62.049.59.457.83.149.50.6
total0 (sans boisement)0.80.63.93.90.0.2.50.50.0.3.61.310.510.50.0.2.50.50.0.2.01.00.0.3.23.23.91.92.20.90.0.0.0.3.21.40.0.0.60.30.0.0.80.42.40.62.52.50.50.51.70.2
1 à 4031.62.47.95.418.35.018.81.219.63.123.92.815.711.426.04.516.41.214.72.423.32.59.82.225.17.015.43.321.52.322.25.220.53.017.63.032.13.317.61.527.74.620.41.717.31.529.47.828.62.319.80.5
41 à 8022.52.615.67.215.95.913.11.120.74.022.72.942.116.813.83.712.61.117.42.913.62.48.22.326.27.810.33.010.71.830.66.119.43.215.93.014.43.031.01.821.74.614.11.516.31.517.67.217.92.417.00.5
81 à 12027.32.532.88.642.16.619.41.331.04.725.72.931.615.910.43.211.11.026.83.221.42.717.13.119.76.39.12.924.42.430.06.029.53.324.03.430.34.17.01.05.22.516.01.68.21.125.07.736.12.817.80.5
121 à 1608.11.817.57.410.24.613.71.116.63.86.41.70.0.15.33.914.61.112.22.514.32.321.63.48.34.919.53.814.72.112.84.216.52.918.73.19.92.96.00.97.12.714.61.610.01.25.43.87.61.712.30.4
plus de 1601.20.76.74.60.0.5.10.70.90.91.70.80.0.10.43.313.41.11.71.00.90.73.91.53.03.07.02.64.61.33.02.12.01.26.02.00.0.7.21.010.53.19.01.311.91.30.0.0.0.6.70.3
peuplement inéquien8.51.815.67.113.55.627.41.511.13.315.92.60.0.24.14.729.51.527.13.424.42.939.44.014.46.134.84.721.92.51.51.512.12.614.63.013.43.330.71.827.84.925.12.033.91.920.17.69.21.824.80.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793863/260195
IFN1
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: région de forêt protectrice
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN1/IFN2/IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état1983/85
région de forêt protectrice
Plateau/Juranord des Alpes ouestnord des Alpes estsud-ouest des Alpessud-est des AlpesSud des Alpes Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %±
pas d'indication0 (sans boisement)0.50.20.50.21.50.51.00.50.70.30.20.20.60.1
1 à 400.0.0.0.0.20.20.0.0.20.20.0.0.00.0
41 à 800.00.00.0.0.0.0.0.0.0.0.0.0.00.0
81 à 1200.0.0.10.10.20.20.0.0.0.0.0.0.00.0
121 à 1600.00.00.0.0.0.0.0.0.0.0.0.0.00.0
plus de 1600.0.0.0.0.0.0.0.0.20.20.0.0.00.0
peuplement inéquien3.10.45.30.74.60.94.00.92.50.62.70.63.60.3
total3.70.45.90.86.41.05.01.03.50.72.90.74.40.3
critique0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 401.50.31.10.32.80.72.10.61.80.51.60.51.70.2
41 à 801.10.21.70.41.60.51.20.51.00.40.0.1.10.1
81 à 1200.90.20.90.31.00.41.20.50.50.30.30.20.80.1
121 à 1600.30.10.70.30.20.20.0.1.20.40.0.0.40.1
plus de 1600.10.10.20.20.20.20.40.30.50.30.20.20.20.1
peuplement inéquien1.30.22.10.51.50.52.60.73.10.71.40.51.80.2
total5.30.56.60.87.31.17.51.28.01.13.60.76.10.3
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.0.0.0.20.20.0.0.00.0
1 à 409.60.66.30.88.01.14.50.95.00.917.21.58.70.4
41 à 809.10.68.60.910.01.24.00.92.50.66.21.07.60.4
81 à 12011.80.712.11.110.61.23.90.83.80.82.40.69.00.4
121 à 1601.50.34.60.74.10.83.90.88.11.14.10.83.60.3
plus de 1600.50.22.00.52.20.64.70.96.61.03.50.72.40.2
peuplement inéquien10.50.718.51.314.31.416.91.720.81.615.01.414.60.5
total43.01.152.21.749.22.137.82.247.12.048.52.045.90.7
stable0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 404.90.52.50.52.70.73.10.82.60.610.81.24.50.3
41 à 808.70.64.20.74.90.94.10.92.00.69.61.26.40.3
81 à 12014.10.87.60.98.51.15.81.03.00.75.20.99.30.4
121 à 1604.80.54.70.76.01.04.10.96.11.03.10.74.80.3
plus de 1601.40.31.90.43.10.77.11.18.31.12.30.63.10.2
peuplement inéquien14.20.814.41.212.01.325.31.919.41.614.21.415.60.5
total48.01.135.31.637.12.049.62.241.42.045.12.043.60.7
total0 (sans boisement)0.50.20.50.21.50.51.00.50.80.40.20.20.70.1
1 à 4015.90.89.91.013.71.49.71.39.51.229.61.814.90.5
41 à 8019.00.914.51.216.41.59.41.35.50.915.81.515.10.5
81 à 12026.81.020.71.320.31.610.91.47.31.17.91.119.10.5
121 à 1606.60.59.91.010.31.38.01.215.41.57.21.08.80.4
plus de 1602.00.34.20.75.40.912.21.415.61.55.90.95.70.3
peuplement inéquien29.11.040.21.632.41.948.92.245.82.033.41.935.70.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 10.06.2020 #793864/260196
IFN3
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau terrestre IFN3
état2004/06
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critique0 (sans boisement)0.70.50.0.0.0.0.90.30.0.0.50.50.0.0.90.90.80.30.0.1.20.70.0.4.93.50.0.1.30.70.0.0.0.1.91.12.11.40.10.10.90.90.50.30.50.30.0.0.40.40.70.1
1 à 400.40.40.0.0.0.0.60.31.71.20.50.50.0.2.11.41.30.44.41.52.91.11.20.88.24.63.01.71.60.72.22.24.41.60.60.62.61.31.10.46.12.40.70.41.70.56.74.51.70.81.60.2
41 à 800.70.50.0.0.0.0.20.11.71.22.31.00.0.2.01.40.60.21.71.03.41.20.0.12.25.20.0.1.20.60.0.0.0.0.70.71.71.20.0.0.0.1.80.60.90.42.52.50.80.50.90.1
81 à 1201.10.60.0.0.0.0.80.30.90.91.60.80.0.0.0.0.60.20.50.53.31.20.0.4.93.31.01.03.01.00.0.2.01.01.20.80.0.0.0.0.0.1.60.50.30.20.0.2.61.01.00.1
121 à 1600.80.50.0.1.71.70.60.20.0.0.40.40.0.2.01.40.50.21.10.72.10.90.0.0.0.0.0.0.60.40.0.0.90.70.0.0.0.0.20.20.0.0.50.30.80.30.0.1.10.60.60.1
plus de 1600.0.0.0.0.0.0.20.10.0.0.0.0.0.0.0.0.30.20.0.0.0.0.0.0.0.1.01.00.0.0.0.0.0.0.50.50.0.0.30.20.0.0.0.0.50.30.0.0.0.0.20.1
peuplement inéquien0.80.50.0.0.0.0.90.30.90.90.0.0.0.1.91.40.70.30.0.0.80.60.60.60.0.3.01.70.30.31.51.50.0.0.60.62.11.40.40.20.0.0.20.20.60.30.0.2.00.90.70.1
total4.51.30.0.1.71.74.30.65.12.05.31.50.0.8.92.84.80.77.62.013.72.21.81.030.17.38.12.78.11.63.72.67.32.05.51.88.42.42.20.67.02.55.41.05.30.99.15.18.51.75.60.3
stabilité moindrie0 (sans boisement)0.40.40.0.0.0.0.90.30.90.91.90.90.0.1.01.00.70.30.50.52.10.90.0.0.0.1.81.30.30.31.51.50.60.60.0.1.01.00.40.20.0.0.50.30.80.42.52.50.40.40.70.1
1 à 4011.91.93.23.23.42.27.30.84.92.29.41.90.0.6.42.55.20.76.11.85.31.42.91.313.15.52.71.67.01.511.94.27.31.93.21.411.92.511.71.28.93.04.90.99.41.10.0.9.11.67.40.3
41 à 808.01.70.0.4.93.43.10.64.92.19.31.90.0.15.03.83.70.65.91.74.21.31.81.017.96.31.81.33.51.011.93.92.91.23.01.39.42.78.71.13.21.93.60.85.00.82.92.99.51.85.30.3
81 à 12011.21.92.22.211.04.48.10.917.63.811.72.10.0.11.03.34.60.710.42.219.22.58.22.219.75.72.11.48.41.54.32.411.32.211.82.38.52.61.70.56.72.78.21.23.20.74.93.311.42.07.60.3
121 à 1602.61.00.0.2.62.77.20.84.92.13.71.20.0.5.42.44.80.74.81.52.91.13.81.54.93.35.92.33.71.11.51.54.31.57.52.04.31.92.10.57.62.86.01.04.10.80.0.3.61.24.60.3
plus de 1600.0.3.23.20.0.3.10.61.11.10.80.60.0.3.21.94.70.71.10.70.40.41.20.80.0.5.62.20.90.51.41.40.0.7.82.10.0.3.00.76.52.51.50.54.50.80.0.0.0.2.60.2
peuplement inéquien4.61.30.0.4.33.19.91.03.91.94.61.40.0.8.02.87.10.80.50.54.61.42.21.30.0.12.33.22.10.92.22.20.40.41.20.92.71.57.81.010.83.26.51.06.00.90.0.1.90.95.90.3
total38.73.08.54.926.36.639.71.638.04.941.43.20.0.50.05.230.81.529.33.338.93.120.03.255.58.132.34.525.92.534.76.126.93.334.53.637.94.435.51.843.95.231.32.032.91.810.34.836.03.034.10.6
stable0 (sans boisement)0.40.40.0.0.0.1.60.41.71.24.31.30.0.1.01.00.70.30.50.50.80.60.0.0.0.5.52.21.00.60.0.0.0.3.31.42.11.40.0.2.91.61.10.40.50.32.52.51.10.71.10.1
1 à 4016.82.19.55.212.64.87.50.89.62.89.61.914.210.315.63.69.00.97.21.89.51.86.01.97.64.36.92.48.81.611.14.111.82.311.12.413.52.812.01.28.22.810.41.38.21.111.65.514.32.09.90.4
41 à 8012.22.010.25.59.24.54.90.79.93.011.62.157.215.87.02.86.40.89.12.18.71.84.41.71.91.91.01.07.01.417.74.614.52.59.42.36.52.116.01.47.82.97.51.17.41.021.37.48.51.78.70.3
81 à 12013.92.122.37.220.05.315.01.125.64.08.21.719.112.77.52.88.00.924.63.110.92.020.53.20.0.4.22.118.92.227.05.527.03.216.12.918.53.47.11.07.62.714.61.57.31.029.87.421.22.413.20.4
121 à 1606.71.525.47.614.95.09.00.95.22.37.91.79.59.53.72.111.01.013.22.57.11.710.02.34.83.411.22.917.62.14.32.48.22.010.72.48.52.64.20.84.22.113.51.510.21.29.15.17.11.69.40.4
plus de 1601.10.624.27.12.62.74.40.70.0.0.50.50.0.1.31.311.91.03.11.30.0.3.31.40.0.13.63.43.31.01.41.40.60.64.91.70.70.74.00.74.32.14.30.910.71.23.33.30.30.35.20.3
peuplement inéquien5.81.40.0.12.65.013.71.15.02.211.22.10.0.5.02.217.41.25.41.710.41.934.03.70.0.17.33.39.41.70.0.3.61.44.41.64.01.819.11.514.23.711.91.417.41.52.92.92.91.012.80.4
total56.83.091.54.972.06.756.01.656.85.053.33.3100.0.41.15.164.31.563.13.547.43.278.23.314.35.559.74.666.02.761.66.265.73.560.03.853.74.562.31.849.15.363.32.161.81.980.56.755.53.160.30.6
total0 (sans boisement)1.50.70.0.0.0.3.40.62.61.46.71.60.0.3.01.72.30.51.10.74.21.30.0.4.93.57.32.52.70.91.51.50.60.65.21.75.22.00.60.33.81.92.10.61.80.54.93.32.00.92.50.2
1 à 4029.12.512.65.816.04.915.51.116.23.419.52.514.210.324.04.115.51.117.72.617.72.310.02.328.87.112.63.217.52.125.24.923.52.914.92.728.03.224.81.623.24.216.11.519.31.518.36.625.12.318.90.5
41 à 8020.92.510.25.514.25.38.20.916.53.723.12.757.215.823.94.510.71.016.72.716.32.46.21.931.97.52.71.611.71.829.55.417.42.713.12.617.63.424.71.611.03.313.01.413.31.326.77.918.82.414.80.4
81 à 12026.22.624.47.431.06.023.91.444.04.521.62.619.112.718.54.013.21.135.53.433.42.928.73.624.66.57.32.630.22.631.45.640.33.429.13.426.93.88.81.114.33.624.41.810.81.234.77.935.22.821.70.5
121 à 16010.11.825.47.619.35.716.81.210.03.112.02.19.59.511.13.316.41.219.02.812.12.113.92.79.74.817.13.521.92.35.82.813.42.518.13.012.83.06.50.911.93.320.11.715.01.49.15.111.72.014.60.4
plus de 1601.10.627.37.52.62.77.70.91.11.11.30.80.0.4.62.316.81.24.21.50.40.44.41.60.0.20.34.04.21.22.92.00.60.613.32.60.70.77.31.010.83.25.81.015.71.43.33.30.30.38.10.3
peuplement inéquien11.11.90.0.16.95.724.51.49.73.015.82.40.0.15.03.625.21.45.91.715.92.336.83.80.0.32.74.311.81.93.72.64.11.56.21.98.82.727.31.725.04.518.51.624.01.72.92.96.81.519.40.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793865/260197
IFN4
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état2009/17
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZH Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %± %±
critique0 (sans boisement)0.40.40.0.0.0.0.20.20.0.0.0.0.0.0.0.0.60.30.0.1.00.70.0.3.33.30.0.0.40.40.0.0.0.2.01.20.0.0.0.0.0.0.0.0.50.30.0.0.50.50.30.1
1 à 400.40.40.0.0.0.1.50.40.0.1.30.90.0.2.31.62.60.51.20.81.40.80.0.12.25.60.0.1.90.81.91.90.0.3.71.63.01.72.80.66.22.71.50.63.50.80.0.3.51.12.10.2
41 à 800.80.63.93.90.0.0.60.30.0.0.0.0.0.2.31.62.30.50.60.61.10.80.0.0.0.0.0.0.30.30.0.0.0.1.30.91.41.02.80.71.11.10.20.22.20.60.0.0.30.31.20.1
81 à 1200.0.0.0.1.91.90.60.30.0.1.10.80.0.0.0.0.70.30.60.60.90.70.0.0.0.0.0.0.30.30.0.0.0.0.80.80.0.0.20.20.0.0.40.30.30.24.14.00.0.0.40.1
121 à 1600.0.0.0.0.0.0.30.20.0.0.50.50.0.1.21.20.60.30.0.1.60.90.0.0.0.0.0.0.0.0.0.0.0.1.20.80.0.0.20.21.21.20.20.21.20.40.0.0.0.0.40.1
plus de 1600.0.0.0.0.0.0.10.10.0.0.0.0.0.1.51.50.10.10.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.21.20.20.20.50.30.0.0.0.0.10.0
peuplement inéquien0.40.40.0.0.0.1.10.40.0.0.90.60.0.0.0.0.70.31.20.91.10.80.0.0.0.2.61.51.30.70.0.0.50.50.70.70.0.1.50.51.11.10.60.41.50.50.0.0.50.50.90.1
total2.00.93.93.91.91.94.50.70.0.3.71.40.0.7.42.97.60.93.51.47.11.80.0.15.56.12.61.54.31.31.91.90.50.59.72.54.42.07.51.110.83.43.10.89.91.24.14.04.71.35.60.3
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.1.10.40.0.0.50.50.0.0.0.0.60.30.0.0.0.0.0.0.0.0.0.0.70.50.0.0.0.0.60.60.0.0.50.30.0.0.20.20.50.32.62.60.0.0.50.1
1 à 4017.22.27.95.410.14.18.00.913.63.114.32.50.0.17.44.17.10.99.52.210.12.08.02.111.15.49.62.913.12.011.34.210.22.411.62.615.13.110.01.215.94.09.61.37.51.118.46.813.92.010.10.4
41 à 807.61.77.85.316.56.16.40.85.02.211.82.210.510.58.03.25.90.87.62.05.31.63.21.418.46.93.21.66.71.58.43.68.52.310.12.56.92.319.61.612.73.86.01.18.31.23.13.17.11.68.40.4
81 à 12011.32.012.55.910.15.08.51.014.33.712.82.310.510.54.82.34.70.711.02.48.52.04.81.810.55.06.72.711.31.91.91.99.32.310.32.611.83.23.90.80.0.4.60.93.70.813.36.210.52.07.20.3
121 à 1604.21.310.76.15.63.16.90.93.31.92.81.10.0.11.93.77.10.94.21.56.41.74.41.85.23.814.33.67.31.60.0.5.01.88.72.32.21.53.80.83.72.15.71.05.91.00.0.2.81.15.70.3
plus de 1601.20.70.0.0.0.2.80.60.0.0.0.0.0.2.41.75.00.71.71.00.50.50.70.73.13.15.32.40.70.51.51.50.0.2.11.20.0.3.20.74.92.44.00.96.61.00.0.0.0.2.90.2
peuplement inéquien4.31.33.93.93.23.212.11.11.81.37.21.80.0.12.43.711.21.19.92.310.62.28.02.36.24.215.43.712.62.01.51.54.31.64.51.88.32.815.11.518.44.37.81.212.21.311.26.23.41.210.10.4
total45.93.242.89.745.57.845.81.738.05.049.43.621.114.056.95.741.51.743.83.841.43.529.03.854.68.754.55.152.53.124.65.837.33.847.94.244.34.856.02.055.75.638.02.244.62.148.59.537.73.144.80.6
stable0 (sans boisement)0.40.43.93.90.0.1.20.40.0.3.21.310.510.50.0.1.40.40.0.1.00.70.0.0.0.4.22.01.10.60.0.0.0.0.70.70.0.0.20.20.0.0.60.41.40.50.0.0.0.0.90.1
1 à 4014.02.10.0.7.04.08.80.96.42.58.62.015.711.43.52.05.40.84.21.511.02.02.01.10.0.4.82.15.41.49.43.99.22.22.71.314.33.04.20.83.41.99.01.34.00.812.36.110.81.86.90.3
41 à 8014.12.23.93.90.0.6.20.816.13.610.12.131.615.94.72.34.70.79.52.37.31.85.22.08.44.75.72.53.51.122.75.611.22.54.81.86.32.28.81.27.83.18.21.25.71.011.26.210.92.07.50.3
81 à 12016.02.320.37.731.75.910.51.017.34.012.02.221.114.06.62.96.00.815.52.712.22.211.02.69.74.71.81.313.12.027.05.920.63.013.32.817.73.62.90.75.42.711.01.44.40.98.74.925.72.710.50.4
121 à 1603.81.36.84.95.03.76.80.912.73.53.31.20.0.3.62.07.90.98.22.16.41.717.63.23.33.36.62.57.81.613.04.311.82.49.32.47.92.62.10.62.41.78.81.33.60.85.64.05.01.46.50.3
plus de 1600.0.6.74.60.0.2.30.50.90.91.70.80.0.6.02.88.81.00.0.0.50.53.31.40.0.2.21.53.71.21.51.52.01.24.01.60.0.4.40.84.92.44.81.05.61.00.0.0.0.3.80.2
peuplement inéquien3.81.311.66.28.94.913.81.28.63.08.02.00.0.11.43.616.71.315.32.813.02.432.13.88.55.017.63.88.61.80.0.7.52.17.72.25.21.913.81.49.63.316.51.720.81.79.75.75.21.413.50.4
total52.13.253.39.852.77.949.71.762.05.046.93.678.914.035.75.550.81.752.63.851.43.571.03.829.97.942.95.043.23.173.65.962.23.942.44.151.34.936.41.933.55.458.92.245.52.147.59.557.63.249.60.6
total0 (sans boisement)0.80.63.93.90.0.2.60.50.0.3.71.310.510.50.0.2.60.50.0.2.01.00.0.3.33.34.22.02.30.90.0.0.0.3.31.50.0.0.60.30.0.0.90.42.50.72.62.60.50.51.70.2
1 à 4031.62.47.95.417.15.118.41.220.03.224.22.815.711.423.34.515.21.214.92.522.52.510.02.223.36.914.43.320.42.322.55.219.32.918.03.132.43.417.01.525.64.620.11.715.01.530.68.128.12.319.10.5
41 à 8022.52.615.67.216.56.113.11.221.14.022.02.942.116.815.04.012.81.117.62.913.72.48.32.426.88.08.93.010.61.931.16.219.73.216.23.014.53.031.31.921.64.714.41.516.21.514.26.818.42.417.10.5
81 à 12027.32.532.88.643.76.919.61.331.64.825.92.931.615.911.43.511.41.127.13.221.72.715.83.120.26.48.52.924.72.528.86.029.93.424.53.429.54.17.01.05.42.716.11.68.41.126.08.036.12.818.10.5
121 à 1608.11.817.57.410.64.714.01.216.03.86.51.70.0.16.74.215.51.212.32.514.52.421.93.58.55.020.94.015.12.213.04.316.83.019.13.110.02.96.11.07.42.914.71.610.61.25.64.07.81.712.70.4
plus de 1601.20.76.74.60.0.5.30.80.90.91.70.80.0.9.83.413.91.11.71.00.90.73.91.53.13.17.52.84.41.33.12.12.01.26.12.00.0.7.61.110.93.39.01.312.71.30.0.0.0.6.80.3
peuplement inéquien8.51.815.67.112.15.527.01.510.43.216.12.60.0.23.84.928.61.526.43.424.72.940.14.014.86.235.64.922.42.61.51.512.32.612.92.913.53.330.41.929.15.125.02.034.52.020.97.89.11.924.50.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 08.07.2020 #793866/260198
IFN1
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: région de forêt protectrice
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau terrestre IFN1
état1983/85
région de forêt protectrice
Plateau/Juranord des Alpes ouestnord des Alpes estsud-ouest des Alpessud-est des AlpesSud des Alpes Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %±
pas d'indication0 (sans boisement)0.40.11.00.21.30.31.20.30.80.20.30.20.70.1
1 à 400.00.00.0.0.10.10.10.10.10.10.10.10.00.0
41 à 800.00.00.20.10.0.0.0.0.0.0.20.10.10.0
81 à 1200.10.00.00.00.10.10.0.0.0.0.0.0.00.0
121 à 1600.00.00.0.0.0.0.0.0.10.10.10.10.00.0
plus de 1600.0.0.0.0.0.0.0.0.10.10.0.0.00.0
peuplement inéquien3.20.35.00.57.20.76.00.73.40.52.70.44.20.2
total3.80.36.10.58.70.87.20.84.40.63.40.55.10.2
critique0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 401.20.21.30.32.60.52.40.51.70.41.80.41.60.1
41 à 800.90.11.40.30.90.30.90.31.00.30.40.21.00.1
81 à 1200.70.11.10.21.30.31.20.30.60.20.20.10.80.1
121 à 1600.20.10.60.20.40.20.20.11.30.30.10.10.40.1
plus de 1600.10.10.70.20.40.20.40.20.40.20.10.10.30.1
peuplement inéquien1.00.22.20.32.20.42.40.53.50.51.40.31.80.1
total4.20.37.30.67.90.87.40.88.50.83.90.55.90.2
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.0.0.0.10.10.0.0.00.0
1 à 409.50.46.00.57.20.74.60.75.70.617.61.08.70.3
41 à 809.90.58.80.69.80.94.10.62.80.56.80.77.90.3
81 à 12011.40.512.00.79.80.84.00.63.90.52.90.58.80.3
121 à 1601.90.25.00.54.80.63.70.68.30.84.10.53.90.2
plus de 1600.40.12.20.31.90.43.60.65.90.73.10.52.10.1
peuplement inéquien10.00.518.20.915.51.014.81.120.01.115.41.014.30.3
total43.10.852.11.149.01.434.81.546.81.449.81.445.80.5
stable0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 405.30.32.80.43.10.53.40.62.00.410.60.84.70.2
41 à 808.20.43.80.43.90.64.50.61.90.47.80.75.80.2
81 à 12014.20.56.70.68.80.86.20.83.50.54.60.69.10.3
121 à 1605.10.33.60.44.70.65.10.75.90.72.80.54.60.2
plus de 1601.40.22.20.32.80.57.30.87.60.71.90.43.00.2
peuplement inéquien14.80.515.20.811.00.924.11.319.51.115.21.015.90.3
total48.80.834.41.134.41.450.61.640.31.442.91.443.10.5
total0 (sans boisement)0.40.11.00.21.30.31.20.30.80.30.30.20.70.1
1 à 4016.10.610.10.713.01.010.41.09.50.830.11.215.10.3
41 à 8019.00.614.20.814.71.09.50.95.70.615.11.014.80.3
81 à 12026.40.719.90.920.01.111.41.08.00.87.70.718.80.4
121 à 1607.20.49.30.79.90.99.00.915.51.07.10.79.00.3
plus de 1601.90.25.10.55.10.611.31.014.01.05.00.65.50.2
peuplement inéquien29.00.740.51.136.01.447.21.646.51.434.71.336.20.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 27.05.2020 #793867/260199
IFN1
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: région de forêt protectrice
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 x 1,4 km
état1983/85
région de forêt protectrice
Plateau/Juranord des Alpes ouestnord des Alpes estsud-ouest des Alpessud-est des AlpesSud des Alpes Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %±
pas d'indication0 (sans boisement)0.50.20.50.21.40.51.00.40.80.40.50.30.70.1
1 à 400.0.0.0.0.20.20.0.0.20.20.0.0.00.0
41 à 800.00.00.0.0.0.0.0.0.0.0.0.0.00.0
81 à 1200.0.0.10.10.20.20.0.0.0.0.0.0.00.0
121 à 1600.00.00.0.0.0.0.0.0.20.20.0.0.00.0
plus de 1600.0.0.0.0.0.0.0.0.20.20.0.0.00.0
peuplement inéquien3.40.45.70.76.21.05.21.03.10.73.30.74.20.3
total4.00.46.30.87.91.16.21.14.40.83.80.75.10.3
critique0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 401.40.31.10.32.70.72.20.61.70.51.70.51.60.2
41 à 801.20.21.60.41.50.51.20.50.90.40.0.1.10.1
81 à 1200.90.20.80.31.20.41.10.50.50.30.30.20.80.1
121 à 1600.30.10.60.30.20.20.0.1.10.40.0.0.40.1
plus de 1600.10.10.30.20.10.10.40.30.50.30.10.10.20.1
peuplement inéquien1.30.22.10.52.00.62.50.73.10.71.40.51.90.2
total5.20.56.60.87.61.17.31.17.81.13.50.76.00.3
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.0.0.0.20.20.0.0.00.0
1 à 409.40.66.40.87.81.14.60.95.10.917.31.58.70.4
41 à 809.10.68.40.910.01.23.80.82.60.66.21.07.50.4
81 à 12011.70.711.91.010.41.23.70.83.70.72.30.68.80.4
121 à 1601.50.34.50.73.90.83.70.87.91.14.10.83.60.2
plus de 1600.50.22.00.42.10.64.50.96.31.03.50.72.30.2
peuplement inéquien10.40.718.51.214.41.416.41.620.71.615.01.414.60.5
total42.61.151.71.648.52.036.72.146.42.048.42.045.40.7
stable0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 404.90.52.60.52.60.73.20.82.70.611.11.24.60.3
41 à 808.60.64.30.74.90.94.30.91.90.59.31.16.30.3
81 à 12014.00.87.40.98.11.16.61.13.20.75.20.99.20.4
121 à 1604.90.54.50.75.90.94.10.96.10.92.90.74.70.3
plus de 1601.30.21.80.43.10.77.01.18.11.12.10.63.00.2
peuplement inéquien14.50.814.81.211.51.324.51.919.41.513.61.315.60.5
total48.21.135.41.535.91.949.82.241.32.044.31.943.50.7
total0 (sans boisement)0.50.20.50.21.40.51.00.40.90.40.50.30.70.1
1 à 4015.80.810.11.013.21.410.01.39.61.130.11.814.90.5
41 à 8018.90.814.41.116.31.59.31.35.40.915.51.414.90.5
81 à 12026.51.020.21.319.81.611.41.47.31.07.81.018.80.5
121 à 1606.70.59.60.99.91.27.81.115.31.47.01.08.70.4
plus de 1602.00.34.10.65.30.911.91.415.11.45.80.95.60.3
peuplement inéquien29.61.041.01.634.11.948.62.246.32.033.41.836.30.6
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 27.05.2020 #793868/260200
IFN2
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: région de forêt protectrice
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN1/IFN2/IFN3/IFN4
réseau: réseau 1,4 x 1,4 km
état1993/95
région de forêt protectrice
Plateau/Juranord des Alpes ouestnord des Alpes estsud-ouest des Alpessud-est des AlpesSud des Alpes Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %±
pas d'indication0 (sans boisement)0.40.11.50.43.50.81.90.61.80.50.70.31.30.2
1 à 400.0.0.0.0.0.0.0.0.0.0.0.0.0.
41 à 800.0.0.0.0.0.0.0.0.0.0.0.0.0.
81 à 1200.0.0.0.0.0.0.0.0.0.0.0.0.0.
121 à 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.
plus de 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.
peuplement inéquien0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.40.11.50.43.50.81.90.61.80.50.70.31.30.2
critique0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 400.70.21.50.42.70.72.50.73.00.73.50.71.80.2
41 à 800.50.22.00.51.00.41.50.51.00.40.80.41.00.1
81 à 1201.60.32.50.53.00.71.00.41.00.40.50.31.70.2
121 à 1600.40.11.50.41.70.51.00.41.50.50.60.30.90.1
plus de 1600.0.0.30.22.20.61.70.62.90.71.10.40.90.1
peuplement inéquien0.20.11.70.40.70.32.00.60.30.20.80.40.80.1
total3.40.49.51.011.31.39.71.39.61.27.41.17.10.3
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 408.50.65.70.88.31.19.31.35.60.914.11.48.40.4
41 à 807.90.68.00.910.51.35.91.03.60.810.91.37.90.4
81 à 12014.90.815.41.212.61.35.51.05.50.93.90.811.50.4
121 à 1604.80.58.70.95.81.06.11.110.51.23.70.86.30.3
plus de 1600.80.23.10.64.60.98.71.215.61.53.00.74.30.3
peuplement inéquien2.00.38.60.98.51.210.51.47.41.08.11.16.00.3
total39.01.149.51.750.32.146.12.248.22.043.82.044.40.7
stable0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 409.00.63.50.65.81.05.01.04.40.811.21.37.00.3
41 à 8012.20.75.00.75.50.96.21.11.10.410.01.28.10.4
81 à 12019.80.99.01.010.31.26.71.14.20.85.80.912.20.4
121 à 1609.00.67.20.95.20.95.31.06.91.06.11.07.30.4
plus de 1601.70.33.90.62.10.66.81.113.61.41.90.64.00.3
peuplement inéquien5.60.510.91.06.11.012.31.510.11.213.11.38.60.4
total57.31.139.51.635.02.042.42.240.32.048.22.047.30.7
total0 (sans boisement)0.40.11.50.43.50.81.90.61.80.50.70.31.30.2
1 à 4018.20.810.71.016.71.516.81.613.01.328.81.817.20.5
41 à 8020.60.914.91.216.91.613.61.55.70.921.71.717.00.5
81 à 12036.41.026.91.526.01.713.21.510.71.310.21.225.40.6
121 à 16014.20.817.41.312.71.412.41.518.81.610.51.214.50.5
plus de 1602.60.37.30.88.91.217.31.732.11.96.11.09.30.4
peuplement inéquien7.70.621.21.315.31.524.81.917.81.522.01.715.30.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 27.05.2020 #793869/260201
IFN2
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: région de forêt protectrice
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 x 1,4 km
état1993/95
région de forêt protectrice
Plateau/Juranord des Alpes ouestnord des Alpes estsud-ouest des Alpessud-est des AlpesSud des Alpes Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %±
pas d'indication0 (sans boisement)0.30.11.40.43.30.71.90.61.80.50.60.31.20.1
1 à 400.0.0.0.0.0.0.0.0.0.0.0.0.0.
41 à 800.0.0.0.0.0.0.0.0.0.0.0.0.0.
81 à 1200.0.0.0.0.0.0.0.0.0.0.0.0.0.
121 à 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.
plus de 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.
peuplement inéquien0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.30.11.40.43.30.71.90.61.80.50.60.31.20.1
critique0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 400.70.21.50.43.10.72.30.73.90.73.90.72.00.2
41 à 800.60.21.90.41.10.41.40.50.90.40.90.41.00.1
81 à 1201.60.32.30.52.70.60.90.40.90.40.50.31.60.2
121 à 1600.40.11.60.41.50.50.90.41.30.40.60.30.90.1
plus de 1600.0.0.30.22.20.61.60.52.70.61.00.40.90.1
peuplement inéquien0.20.11.60.40.80.41.90.60.30.20.70.30.70.1
total3.40.49.20.911.51.39.01.210.01.17.51.07.10.3
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 408.40.66.20.89.01.110.21.36.91.014.71.38.80.4
41 à 807.80.68.00.910.11.25.71.03.50.710.21.27.70.4
81 à 12014.70.815.11.112.01.35.61.05.10.83.50.711.10.4
121 à 1604.80.58.30.95.40.95.71.09.91.13.40.76.00.3
plus de 1600.80.23.10.54.70.88.21.114.91.43.20.74.30.3
peuplement inéquien1.90.38.90.98.41.110.41.37.31.08.01.06.10.3
total38.51.149.51.649.62.045.82.147.51.943.01.944.00.7
stable0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 409.50.64.00.66.11.06.01.05.10.811.71.27.60.3
41 à 8012.00.75.10.75.50.96.21.01.30.410.01.18.00.4
81 à 12019.70.98.70.910.91.26.51.13.70.75.40.911.90.4
121 à 1609.10.67.10.84.80.85.10.97.11.05.90.97.20.3
plus de 1601.80.33.80.62.10.66.91.112.61.32.30.64.10.3
peuplement inéquien5.60.511.31.06.41.012.41.410.81.213.51.38.90.4
total57.81.139.91.635.61.943.22.140.71.948.81.947.60.7
total0 (sans boisement)0.30.11.40.43.30.71.90.61.80.50.60.31.20.1
1 à 4018.60.811.71.018.21.518.61.715.91.430.31.718.40.5
41 à 8020.40.914.91.116.61.513.31.55.70.921.11.616.70.5
81 à 12036.01.026.01.425.71.613.01.49.71.19.41.124.50.5
121 à 16014.20.716.91.211.61.211.81.418.31.59.91.114.20.5
plus de 1602.70.37.20.88.91.116.71.630.31.86.50.99.30.4
peuplement inéquien7.70.621.81.315.61.424.71.918.31.522.31.615.70.5
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 27.05.2020 #793870/260202
IFN2
surface forestière
stabilité du peuplement · âge du peuplement (classes de 40 ans)
unité d'interprétation: région de forêt protectrice
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau terrestre IFN2
état1993/95
région de forêt protectrice
Plateau/Juranord des Alpes ouestnord des Alpes estsud-ouest des Alpessud-est des AlpesSud des Alpes Suisse
stabilité du peuplementâge du peuplement (classes de 40 ans) %± %± %± %± %± %± %±
pas d'indication0 (sans boisement)0.30.11.40.43.70.71.90.61.70.50.50.31.20.1
1 à 400.0.0.0.0.0.0.0.0.0.0.0.0.0.
41 à 800.0.0.0.0.0.0.0.0.0.0.0.0.0.
81 à 1200.0.0.0.0.0.0.0.0.0.0.0.0.0.
121 à 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.
plus de 1600.0.0.0.0.0.0.0.0.0.0.0.0.0.
peuplement inéquien0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.30.11.40.43.70.71.90.61.70.50.50.31.20.1
critique0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 400.60.21.50.42.70.62.30.64.00.73.50.71.90.2
41 à 800.50.12.10.41.20.41.40.51.20.40.80.31.10.1
81 à 1201.60.32.40.52.60.61.00.40.90.30.40.21.60.2
121 à 1600.40.11.60.41.60.50.80.41.50.40.50.30.90.1
plus de 1600.0.0.30.22.10.51.90.62.90.60.90.30.90.1
peuplement inéquien0.20.11.40.40.80.32.10.60.30.20.80.30.70.1
total3.30.49.30.911.11.29.61.210.81.16.90.97.20.3
stabilité moindrie0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 408.90.66.30.79.11.09.81.26.60.914.91.39.00.4
41 à 808.00.68.00.89.81.15.50.93.60.710.71.17.80.3
81 à 12014.30.715.11.111.51.25.40.95.40.83.60.710.90.4
121 à 1604.90.48.40.85.50.85.90.910.31.13.30.66.20.3
plus de 1600.80.23.30.54.60.87.81.115.01.33.10.64.30.2
peuplement inéquien1.90.38.50.88.51.010.61.27.20.97.71.06.00.3
total38.91.049.61.549.11.845.02.048.11.843.21.844.20.6
stable0 (sans boisement)0.0.0.0.0.0.0.0.0.0.0.0.0.0.
1 à 409.60.64.10.66.10.96.41.05.30.811.51.17.60.3
41 à 8011.60.65.00.75.80.96.11.01.40.410.11.17.80.3
81 à 12019.70.88.40.810.61.16.01.03.60.75.80.811.80.4
121 à 1609.20.66.70.84.50.85.50.96.90.95.90.87.20.3
plus de 1601.90.34.00.61.90.56.71.012.21.22.30.54.00.2
peuplement inéquien5.50.511.51.07.11.012.81.310.11.113.81.29.00.4
total57.51.039.71.536.01.843.62.039.41.849.41.847.40.6
total0 (sans boisement)0.30.11.40.43.70.71.90.61.70.50.50.31.20.1
1 à 4019.10.811.91.017.91.418.61.515.91.329.81.618.50.5
41 à 8020.10.815.21.116.81.413.01.36.20.921.61.516.70.5
81 à 12035.61.025.91.324.81.512.41.39.91.19.81.124.30.5
121 à 16014.60.716.71.111.71.212.21.318.61.49.71.014.30.4
plus de 1602.80.37.60.88.71.016.51.530.11.66.30.99.30.3
peuplement inéquien7.60.521.41.216.51.425.51.817.61.422.31.515.70.4
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Inventaire forestier national suisse, 27.05.2020 #793871/260203
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