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IFN4IFN5
évolution: nombre total de tiges avec les deux principaux dégâts
type de dégâts aux arbres (13 classes)
découpage régional: canton
unité: %
ensemble analysé: forêt accessible sans la forêt buissonnante IFN1-IFN5
réseau: réseau 1,4 km, sous-réseaux 1 à 5
évolution 2009/17–2018/26
canton
AGAIARBEBL/BSFRGEGLGRJULUNENWOWSGSHSOSZTGTIURVDVSZGZHSuisse
type de dégâts aux arbres (13 classes)%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±%±
pas d'indication....................................................
pas de dégât visible-12.36.5-22.26.5-30.66.8-9.62.72.79.6-12.64.5-24.913.5-33.610.0-13.12.3-9.14.6-10.15.0-11.55.0-8.49.2-1.08.8-14.74.5-26.67.51.98.0-11.05.6-29.95.7-10.33.7-10.55.1-11.63.7-10.42.4-15.79.6-16.45.7-11.91.0
bois mis à nu0.213.2109.442.997.550.89.55.93.213.29.111.3-25.424.12.313.812.06.93.712.34.111.43.013.139.227.933.821.23.410.733.025.94.410.5-8.413.146.022.211.96.3-5.014.416.08.913.96.9-46.120.333.217.011.42.4
fente, bourrelet175.2248.2-15.4120.0-66.148.0-77.815.70.8127.546.8147.9..-66.933.0-29.023.1-0.689.8-40.655.5-32.885.6..-79.318.5-73.913.50.0.70.1119.7-60.528.8..-16.725.5-100.00.021.593.0-34.926.3-16.5118.1-20.358.8-32.89.5
cassure de la tige128.1101.9-100.00.0..18.228.957.576.5-0.444.4..74.1102.3-5.515.6-41.120.056.664.60.0.-66.121.912.262.290.658.3197.9138.4-5.837.1-6.268.4204.3211.49.728.1-53.227.68.847.076.352.3-57.660.0179.7114.621.910.4
défoliation >50%......374.2180.9..612.9475.7..547.8605.3128.882.81432.31675.9..148.5167.64761.25812.1..588.4429.2..573.2616.7..1150.91325.083.277.2458.2487.91502.41226.4192.1154.1..1254.81150.3289.291.7
chancre-35.949.5-13.426.254.5108.257.632.9-41.224.0-4.648.0..36.960.776.141.43.634.256.455.8-17.338.2-0.940.5144.9118.413.935.357.1154.8-19.144.6-18.037.2221.1187.4213.276.72314.32485.971.148.0317.7143.0-20.522.126.737.473.014.1
nécrose corticale-49.761.5......-1.7128.8-100.00.0....1420.51819.3..........2047.32585.3......234.7423.587.3187.6......-20.797.2-6.394.8229.0149.9
coulée de résine122.557.848.340.2109.2126.569.414.9211.2275.963.540.6..78.461.280.214.1-9.136.193.341.794.958.717.040.4164.678.2121.047.2-10.944.9130.099.1141.781.6105.665.6241.678.239.630.459.826.591.022.8660.7637.18.329.082.17.6
inclusion334.4421.7..-38.924.0-22.922.5-100.00.085.956.98.20.0-43.026.729.038.5-36.510.9-4.640.9-67.319.4-61.930.1-24.341.9-39.818.7..-36.512.8-31.432.4..18.027.5-36.249.6-52.513.5-4.214.1..-83.419.5-16.87.7
cime sèche26.951.9..24.9156.423.730.971.865.7-23.221.1-100.00.0-77.128.0-16.724.2-49.126.09.444.2-15.152.7154.1252.0-22.033.8-9.255.88.162.654.858.8-36.743.7219.6360.9-10.411.537.151.935.136.046.051.9..33.782.72.18.0
autres dégâts-3.344.1..281.3332.8-5.817.918.353.911.031.8..-11.060.25.317.975.077.161.265.24.456.257.1144.9212.6292.43.827.223.556.95.056.42.845.2-29.021.0157.071.61.965.147.837.828.731.9..61.465.135.311.8
arbres vifs à terre71.578.6-60.056.7..-2.848.4101.0284.2-70.225.6..17.235.9-31.421.3..-45.048.2-100.00.0..14.367.6-14.324.5..104.6132.2-68.832.0-0.266.763.457.6-32.431.0-29.245.3-16.714.6..-48.429.3-1.311.9
arbres morts44.026.444.437.318.315.613.76.166.926.94.610.4-6.723.135.835.633.08.358.018.61.09.643.220.431.921.213.718.238.911.167.741.625.312.222.313.677.869.731.76.919.219.423.29.421.15.863.546.439.227.025.62.7
total....................................................
© WSL, Inventaire forestier national suisse, 06.03.2024 #1708321/608183

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. 1708321. Birmensdorf, Swiss Federal Research Institute WSL

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