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IFN4
nombre total de tiges avec les deux principaux dégâts
déclivité (classes de 20%) · type de dégâts aux arbres (13 classes)
découpage régional: région de production
unité: n
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 km
état 2009/17
région de production
JuraPlateauPréalpesAlpesSud des AlpesSuisse
déclivité (classes de 20%)type de dégâts aux arbres (13 classes)n±%n±%n±%n±%n±%n±%
pas d'indicationpas d'indication0.0.0.0.0.0.0.0.0.0.0.0.
pas de dégât visible0.0.0.0.0.0.0.0.0.0.0.0.
bois mis à nu0.0.0.0.0.0.0.0.0.0.0.0.
fente, bourrelet0.0.0.0.0.0.0.0.0.0.0.0.
cassure de la tige0.0.0.0.0.0.0.0.0.0.0.0.
défoliation >50%0.0.0.0.0.0.0.0.0.0.0.0.
chancre0.0.0.0.0.0.0.0.0.0.0.0.
nécrose corticale0.0.0.0.0.0.0.0.0.0.0.0.
coulée de résine0.0.0.0.0.0.0.0.0.0.0.0.
inclusion0.0.0.0.0.0.0.0.0.0.0.0.
cime sèche0.0.0.0.0.0.0.0.0.0.0.0.
autres dégâts0.0.0.0.0.0.0.0.0.0.0.0.
arbres vifs à terre0.0.0.0.0.0.0.0.0.0.0.0.
arbres morts0.0.0.0.0.0.0.0.0.0.0.0.
total............
=20%pas d'indication0.0.0.0.0.0.0.0.0.0.0.0.
pas de dégât visible20384915.7745707002.7410787311.6106950939.0131485000.82485315169.83
bois mis à nu2522450.8104135998.96833500.916709578.423233002.8288434531.85
fente, bourrelet25236.562143837.33057825.34839087.74831978.458297965.220
cassure de la tige216680.123289409.81776358.03587209.74559219.561728877.113
défoliation >50%101825.438200542.24044361.045133980.95966252.352546961.823
chancre266156.824336839.91995985.03093924.4517880.971800787.013
nécrose corticale22442.710017882.76310478.71000.0.0.0.50804.154
coulée de résine715361.6162163942.19388454.820255011.22641031.1603563800.87
inclusion218026.224100416.63478700.75241959.44924340.766463443.517
cime sèche200028.327301376.924103549.942117339.24174959.652797253.915
autres dégâts240960.625382597.219181180.638166223.34064996.0461035957.713
arbres vifs à terre0.0.71389.4438853.110088703.04014091.8100183037.427
arbres morts1469368.4112813991.68896315.118770476.420329229.1366279380.76
total............
21-40%pas d'indication0.0.0.0.0.0.0.0.0.0.0.0.
pas de dégât visible21651364.1618969037.6725780381.2618698610.676453433.41391552826.93
bois mis à nu3117457.782183818.0103085049.191886186.4131087139.71711359650.95
fente, bourrelet18422.66349351.040142467.025154386.93052922.045417549.516
cassure de la tige263400.726258317.031254853.419230840.82361702.3471069114.312
défoliation >50%45193.74722855.460100747.53450433.34917697.471236927.421
chancre139557.025149808.732358899.719121002.73053215.439822483.512
nécrose corticale3740.410020673.4544256.01000.0.0.0.28669.844
coulée de résine803185.215670683.2191183578.7141980357.911180785.2344818590.17
inclusion185149.42652608.656409604.929173712.940112703.045933778.817
cime sèche272941.92287041.237200147.52394385.235120056.331774572.212
autres dégâts351215.623191376.823240705.622338942.920116338.3281238579.211
arbres vifs à terre68848.94413945.877103995.832234430.53068051.647489272.518
arbres morts1880888.3121442924.3113277464.6133113367.3131285218.82310999863.36
total............
41-60%pas d'indication0.0.0.0.0.0.0.0.0.0.0.0.
pas de dégât visible16107850.975746555.31221547337.4640141821.9515453772.0898997337.43
bois mis à nu2895760.69942734.4153225506.9105064142.273340278.71115468422.74
fente, bourrelet72042.53528852.255119358.327423175.622172117.324815545.914
cassure de la tige223487.62587368.736307937.521464083.119425047.3201507924.210
défoliation >50%44315.94184657.36291588.537230394.725683821.3321134777.621
chancre212104.92450254.738353855.017360823.321158665.4271135703.211
nécrose corticale0.0.10039.81007797.2713736.71000.0.21573.756
coulée de résine287397.621160654.5301165256.3123955949.67526689.8176095947.86
inclusion235784.75117389.762436653.127598526.322148177.2321436531.015
cime sèche273473.524152223.435164077.932306010.121750781.6211646566.512
autres dégâts196365.12692973.230166148.023718634.613369814.5201543935.39
arbres vifs à terre42655.34645533.251147099.346490219.225226570.134952077.117
arbres morts2171861.710860177.2183441992.3106942733.473016905.51316433670.15
total............
61-80%pas d'indication0.0.0.0.0.0.0.0.0.0.0.0.
pas de dégât visible6268200.713986777.42513140943.6937847096.4513676085.2871919103.24
bois mis à nu1806890.416275942.8332860480.4127811335.674179634.71116934284.05
fente, bourrelet0.0.10704.9100100498.531293877.421190757.928595838.715
cassure de la tige166046.92610703.4100296110.125715822.214384659.1181573341.810
défoliation >50%22162.0550.0.56109.145190210.625309819.143578300.825
chancre62515.93712047.774136407.926308055.921235996.823755024.212
nécrose corticale0.0.0.0.0.0.0.0.3767.51003767.5100
coulée de résine91410.84019373.071792288.7194138900.67445498.3205487471.56
inclusion59683.9590.0.268589.632332078.221131424.136791775.816
cime sèche203608.62714117.779198302.927439473.220614292.5221469794.812
autres dégâts152424.82829059.674225386.422860056.612424946.3211691873.69
arbres vifs à terre20162.67129412.85896473.135928711.521195562.5241270322.516
arbres morts1035406.217349321.8312928028.5127991606.573569205.51315873568.65
total............
81-100%pas d'indication0.0.0.0.0.0.0.0.0.0.0.0.
pas de dégât visible1224559.129603862.0623308129.31714556071.588468601.71128161223.56
bois mis à nu941946.629199728.2691334552.7204335472.6102799804.0139611504.17
fente, bourrelet0.0.30486.610023496.961133327.029140667.030327977.520
cassure de la tige23229.36160973.310038318.371311248.624163821.828597591.319
défoliation >50%14645.47510703.410010478.710072655.135153495.843261978.428
chancre20145.0714015.910017781.861129999.22962182.536234124.520
nécrose corticale0.0.0.0.0.0.0.0.0.0.0.0.
coulée de résine49884.2510.0.219653.6272019182.412292001.8282580722.110
inclusion0.0.0.0.54165.85196283.030126091.264276540.033
cime sèche9913.110042813.610068811.643150097.134432728.433704363.823
autres dégâts38725.64735731.676173186.528391808.216313631.623953083.412
arbres vifs à terre3740.41009686.51004191.5100191689.32494238.267303546.026
arbres morts351335.73399758.950936583.3194295786.0101973451.4157656915.28
total............
>100%pas d'indication0.0.0.0.0.0.0.0.0.0.0.0.
pas de dégât visible213144.0600.0.1003552.2314908321.5143444753.6159569771.410
bois mis à nu189988.0580.0.1022491.4352123090.8181799250.6175134820.812
fente, bourrelet0.0.0.0.12277.310021525.06160383.64694185.935
cassure de la tige0.0.0.0.15161.175141584.128126466.042283211.123
défoliation >50%0.0.0.0.4165.21003855.610082750.15090771.046
chancre0.0.0.0.28569.75558532.64612928.976100031.233
nécrose corticale0.0.0.0.0.0.0.0.32640.110032640.1100
coulée de résine0.0.0.0.163539.344760727.91980091.3411004358.516
inclusion0.0.0.0.8330.37162450.43720454.66291235.329
cime sèche18172.5810.0.32238.55896637.241344053.332491101.524
autres dégâts9521.71000.0.86723.855182195.727152660.726431101.819
arbres vifs à terre0.0.0.0.33234.773204818.53079177.141317230.323
arbres morts75708.0630.0.476362.9291599729.715947849.1213099649.711
total............
totalpas d'indication0.0.0.0.0.0.0.0.0.0.0.0.
pas de dégât visible65850034.6372013235.0275567655.23123102860.9248981646.63385515432.31
bois mis à nu11474494.257738222.2512361581.4521929806.0413439110.4566943214.22
fente, bourrelet115701.527263232.123455923.4141065379.512648826.1132549062.77
cassure de la tige892844.712706772.117988738.5121950788.591220916.0115760059.85
défoliation >50%228142.322318758.431307449.919681530.2171313836.1202849716.911
chancre700479.613552966.915991499.1101072338.211530869.9143848153.76
nécrose corticale26183.18748595.83922531.9563736.710036407.690137455.234
coulée de résine1947239.393014652.973912771.5713110129.641566097.51023550890.73
inclusion698644.220170414.9271256044.4151305010.213563190.8213993304.48
cime sèche978138.012597572.817767128.4131203941.9112336871.7115883652.86
autres dégâts989213.312731738.3131073330.9122657861.371442387.2106894531.04
arbres vifs à terre135407.229169967.726393847.4222138572.112677691.3183515485.89
arbres morts6984568.355566173.9611956746.7524713699.2411121859.5660343047.72
total............
© WSL, Inventaire forestier national suisse, 06.03.2024 #1849087/608693

Table citation

Abegg, M.; Ahles, P.; Allgaier Leuch, B.; Cioldi, F.; Didion, M.; Düggelin, C.; Fischer, C.; Herold, A.; Meile, R.; Rohner, B.; Rösler, E.; Speich, S.; Temperli, C.; Traub, B.,
2023: Swiss national forest inventory - Result table No. 1849087. Birmensdorf, Swiss Federal Research Institute WSL

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