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IFN3
nombre total de tiges avec les deux principaux dégâts
déclivité (classes de 20%) · type de dégâts aux arbres (13 classes)
découpage régional: région de forêt protectrice
unité: n
ensemble analysé: forêt accessible sans la forêt buissonnante
réseau: réseau 1,4 km
état 2004/06
région de forêt protectrice
Plateau/JuraNord des Alpes ouestNord des Alpes estSud-ouest des AlpesSud-est des AlpesSud des AlpesSuisse
déclivité (classes de 20%)type de dégâts aux arbres (13 classes)n±%n±%n±%n±%n±%n±%n±%
pas d'indicationpas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
pas de dégât visible0.0.0.0.0.0.0.0.0.0.0.0.0.0.
bois mis à nu0.0.0.0.0.0.0.0.0.0.0.0.0.0.
fente, bourrelet0.0.0.0.0.0.0.0.0.0.0.0.0.0.
cassure de la tige0.0.0.0.0.0.0.0.0.0.0.0.0.0.
défoliation >50%0.0.0.0.0.0.0.0.0.0.0.0.0.0.
chancre0.0.0.0.0.0.0.0.0.0.0.0.0.0.
nécrose corticale0.0.0.0.0.0.0.0.0.0.0.0.0.0.
coulée de résine0.0.0.0.0.0.0.0.0.0.0.0.0.0.
inclusion0.0.0.0.0.0.0.0.0.0.0.0.0.0.
cime sèche0.0.0.0.0.0.0.0.0.0.0.0.0.0.
autres dégâts0.0.0.0.0.0.0.0.0.0.0.0.0.0.
arbres vifs à terre0.0.0.0.0.0.0.0.0.0.0.0.0.0.
arbres morts0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total..............
=20%pas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
pas de dégât visible69140375.837581785.9124250666.9151289400.3323394943.0181315489.72486972661.63
bois mis à nu7642943.25938809.318495816.327155556.043466114.027279695.2309978933.95
fente, bourrelet754116.51253607.34440385.2620.0.21476.3719544.0100879129.211
cassure de la tige924502.212133121.63099152.64210491.610075270.04672912.3751315450.310
défoliation >50%192148.62493582.83814993.510023678.3713823.010020836.271349062.418
chancre885030.612107798.42894189.64317203.410076263.55120644.9711201130.410
nécrose corticale105702.12610640.01000.0.0.0.0.0.10793.8100127135.825
coulée de résine4044087.78542776.121111173.14065823.448161408.33569558.2584994826.97
inclusion303551.93433598.0774377.910020595.810022343.46839625.363424092.427
cime sèche515478.41651559.04432555.5580.0.19855.37124918.461644366.714
autres dégâts735427.61290665.33334629.4530.0.44171.76022885.271927779.111
arbres vifs à terre144152.53239754.55014501.1776413.910010297.910010042.5100225162.424
arbres morts4047214.88688325.322374116.529203726.246272784.039293875.5405880042.47
total..............
21-40%pas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
pas de dégât visible41058517.8418067573.0712881305.994338567.8169057613.8126106029.61391509608.03
bois mis à nu5637212.972258489.8101609434.815342945.9321013035.0201176926.92012038045.45
fente, bourrelet602265.315143694.326107760.13110009.910081246.43521569.455966545.311
cassure de la tige792365.514524284.117246057.732109083.439185301.52869633.8431926726.19
défoliation >50%125593.730172595.8280.0.23234.06193699.062123946.733539069.218
chancre541761.515556641.424131211.83034148.75267000.04178541.0431409304.312
nécrose corticale58786.63546816.1634639.11000.0.0.0.92146.368202388.136
coulée de résine1471098.1111418701.114347773.821293335.525898458.419252019.1274681386.07
inclusion267445.925382215.031128235.53719651.66218054.77257073.153872675.817
cime sèche536751.917126257.13057676.04222937.88545662.246155451.131944736.112
autres dégâts445538.616295209.14285653.85180528.434108219.93187676.9321102826.714
arbres vifs à terre69061.64052623.85035491.9660.0.79886.14975394.850312458.123
arbres morts2600883.392289033.3141235616.120508858.9271422077.9221014002.3259070471.77
total..............
41-60%pas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
pas de dégât visible21884705.2618463764.4813004336.8912148134.0914302096.3815160941.9894963978.63
bois mis à nu3978572.483005096.4102112179.6161472731.5131931994.4113052012.41115552586.75
fente, bourrelet537871.418253681.32258809.141114384.339139867.627113714.1271218327.811
cassure de la tige418381.020484099.418255251.524205162.026355740.419417044.9182135679.18
défoliation >50%136373.345104081.93310640.010057843.65388466.632227845.740625251.220
chancre377986.319367754.717113850.939107263.130224439.325263212.9231454507.29
nécrose corticale123777.0478853.110025758.61000.0.8238.3100171338.145337965.130
coulée de résine556536.4181529685.912637001.7211191063.1141944000.712588392.0186446679.86
inclusion283555.129482642.838221084.337117688.13757355.443161203.7321323529.417
cime sèche365088.518216298.22784075.935132549.139195403.331422809.7231416224.611
autres dégâts291072.921192555.325189102.92881967.532168143.422308465.9261231307.811
arbres vifs à terre61616.138151068.77174758.968164795.25297787.541106078.542656105.024
arbres morts2088931.8113309970.9111782515.3152074978.9151927045.4132110298.61313293740.95
total..............
61-80%pas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
pas de dégât visible7328899.61214108820.499832470.91112935933.7911691360.7913540649.2869438134.54
bois mis à nu2136428.2143708278.3113243924.6172253337.4142236833.7133813355.71117392157.95
fente, bourrelet250542.328179104.125142488.533127292.254156067.435159562.8261015057.213
cassure de la tige210739.924502381.517237900.027367210.121356607.820368766.3202043605.78
défoliation >50%20216.471277297.72730264.155110453.83768625.154334704.333841561.217
chancre104835.130457305.219167386.02875513.839253097.528232259.3351290396.912
nécrose corticale42564.87129810.47630868.6520.0.3871.110071431.156178546.132
coulée de résine113723.4351445678.916446630.1221602045.6191853565.014452056.0185913699.08
inclusion36610.248350449.340231495.83340398.64447257.755130210.831836422.320
cime sèche150264.130105682.432128482.631170455.429215176.626526121.9241296182.912
autres dégâts105073.830223284.820133609.927149407.226223324.628350617.2181185317.510
arbres vifs à terre11387.7100133286.33788884.262255385.434302866.551113520.733905330.822
arbres morts1175046.8152897548.4121950797.1142222156.3142216423.9132820770.01313282742.46
total..............
81-100%pas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
pas de dégât visible1864420.0304432621.3153454320.6174643795.5143904438.6168758743.21127058339.16
bois mis à nu1065437.8281559975.9161585759.0191461307.221799661.6202288051.9138760193.48
fente, bourrelet26407.87442172.24515349.37829052.75824857.74991448.735229288.521
cassure de la tige62990.241279506.525121442.835179570.629191326.232208715.4241043551.712
défoliation >50%0.0.56071.35613746.57817849.06427091.771141311.938256070.426
chancre18385.56363659.83599074.83765447.742104245.433122855.133473668.216
nécrose corticale8129.3710.0.24277.3850.0.0.0.30496.15862902.744
coulée de résine49993.872501558.025234960.434406733.023713087.419218461.4252124794.111
inclusion9912.810037999.04935773.17220065.97155774.95174095.741233621.424
cime sèche29512.758163485.04345477.95119855.37151701.649386762.929696795.520
autres dégâts18899.862103459.43521958.46972050.43934318.044236052.223486738.115
arbres vifs à terre0.0.80651.36113748.97666478.14430531.8589851.2100201261.231
arbres morts343174.9291462146.620766167.8211338329.717888780.1201469020.6176267619.68
total..............
>100%pas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
pas de dégât visible270620.6541266901.1261400150.1261713578.3251068229.6263704238.6169423718.510
bois mis à nu114690.860919327.3281073947.129434422.729422629.7291644557.7174609575.211
fente, bourrelet10413.710020422.87126311.96310297.910010009.910079695.539157151.727
cassure de la tige0.0.86558.64247444.25217305.68092972.141116588.032360868.420
défoliation >50%0.0.13748.9765702.51000.0.3736.710017680.78240868.747
chancre0.0.9341.710034403.7544125.110037109.84337804.248122784.626
nécrose corticale6139.410020019.710010022.11000.0.0.0.21450.47157631.648
coulée de résine33855.185288034.329103786.23784243.643308897.937101756.041920573.017
inclusion3965.110023033.76123611.9544003.910038346.36658175.155151136.130
cime sèche38828.67829194.15354663.34644861.65153753.363288242.129509543.020
autres dégâts0.0.43778.35022169.55636163.05438668.34773859.740214638.822
arbres vifs à terre0.0.112829.37243430.46041273.77910056.110079501.152287090.635
arbres morts73452.353815642.629385922.832336232.230366835.229834755.6242812840.713
total..............
totalpas d'indication0.0.0.0.0.0.0.0.0.0.0.0.0.0.
pas de dégât visible141547539.0263921466.2444823251.3537069409.7543418682.1548586092.13379366440.31
bois mis à nu20575285.3312389976.9510121061.486120300.786870268.4712254599.8568331492.62
fente, bourrelet2181616.98692682.013391104.018291037.029433525.317475534.6144465499.65
cassure de la tige2408978.872009951.881007248.913888823.3131257217.9111253660.7118825881.44
défoliation >50%474332.018717378.31575346.637233058.824285442.027866325.3182651883.09
chancre1927999.081562501.211640116.815303701.819762155.414755317.5155951791.75
nécrose corticale345099.222116139.33895565.7400.0.12109.475397655.827966569.515
coulée de résine6269294.465726434.471881325.3113643244.2105879417.771682242.81025081958.93
inclusion905041.0161309937.720644578.519222404.025239132.423520383.7173841477.39
cime sèche1635924.29692475.815402931.217390659.320581552.3161804306.2115507848.86
autres dégâts1596012.68948952.116487124.017420116.415616846.0141079557.1115148608.15
arbres vifs à terre286218.021570213.927270815.331534346.324531425.831394388.7212587408.111
arbres morts10328703.9411462667.066495135.586684282.187093946.578542722.6750607457.73
total..............
© WSL, Inventaire forestier national suisse, 06.03.2024 #1708309/608171

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. 1708309. Birmensdorf, Swiss Federal Research Institute WSL

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