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389 results for “Bark beetle”
FIGURE 1 in The Mites (Acari) Associated With Bark Beetles In The Koli National Park In Finland
FIGURE 1: (Mesostigmata): a – Insectolaelaps quadrisetus; b – Proctolaelaps fiseri; c – Trichouropoda polytricha; d – T. polytricha specimens on ventral abdomen of I. typographus; e – Uroobovella vinicolora; f – U.vinicolora specimen attached on elytra of I. typographus.
FIGURE 6 in A new species of Tarsonemus (Acari: Tarsonemidae) associated with the bark beetle, Polygraphus proximus (Coleoptera: Curculionidae: Scolytinae) from the Far East of Russia
FIGURE 6: Tarsonemus striatus n. sp., male: A – left leg I in dorsal view; B – left leg II in dorsal view.
FIGURE 3 in A new species of Tarsonemus (Acari: Tarsonemidae) associated with the bark beetle, Polygraphus proximus (Coleoptera: Curculionidae: Scolytinae) from the Far East of Russia
FIGURE 3: Tarsonemus striatus n. sp., female: A – left leg I in dorsal view; B – left leg II in dorsal view.
FIGURE 2 in A new species of Tarsonemus (Acari: Tarsonemidae) associated with the bark beetle, Polygraphus proximus (Coleoptera: Curculionidae: Scolytinae) from the Far East of Russia
FIGURE 2: DIC micrographs of Tarsonemus striatus n. sp. female: A – central part of prodorsal shield; B – central part of tergite C; C – central parts of tergites D and EF; D – pharynx; E – central part of posterior sternal plate; F – central part of anterior sternal plate.
FIGURE 4 in A new species of Tarsonemus (Acari: Tarsonemidae) associated with the bark beetle, Polygraphus proximus (Coleoptera: Curculionidae: Scolytinae) from the Far East of Russia
FIGURE 4: Tarsonemus striatus n. sp., female: A – left leg III in ventral view; B – left leg IV in ventral view.
FIGURE 7 in A new species of Tarsonemus (Acari: Tarsonemidae) associated with the bark beetle, Polygraphus proximus (Coleoptera: Curculionidae: Scolytinae) from the Far East of Russia
FIGURE 7: Tarsonemus striatus n. sp., male: A – left leg III in dorsal view; B – left leg IV in dorsal view.
FIGURE 8 in A new species of Tarsonemus (Acari: Tarsonemidae) associated with the bark beetle, Polygraphus proximus (Coleoptera: Curculionidae: Scolytinae) from the Far East of Russia
FIGURE 8: DIC micrographs of Tarsonemus striatus n. sp. male: A – central part of prodorsal shield; B – central part of tergite CD; C – right part of posterior sternal plate.
FIGURE 11 in A new species of Tarsonemus (Acari: Tarsonemidae) associated with the bark beetle, Polygraphus proximus (Coleoptera: Curculionidae: Scolytinae) from the Far East of Russia
FIGURE 11: SEM micrographs of Tarsonemus striatus n. sp. females, phoretic on four-eyed fir bark beetle, Polygraphus proximus: A – ventral view of the beetle with phoretic mite (arrow); B, C – detailed view.
Data for modelling of bark beetle damage and outbreaks in Austria
<p>The data shows salvage logging amounts caused by the European spruce bark beetle (Ips typographus) in Austrian political district resolution combined with climatic and forest structure parameters for the same year and district.</p> <p>The data set comprises of 6 files:</p> <ul> <li><strong>Data_Geography.csv</strong> <strong>:</strong> Collected data of the considered political districts of Austria, naming convention for the rest of the files, total area, population and population density of 2023, number of municipalities and the reference latitude, longitude and elevation for the "district center" chosen in this analysis.<br> </li> <li><strong>Data_Climate_AUTDistrictCenters.csv</strong> <strong>:</strong> Data extracted or calculated from Copernicus E-OBS Dataset and mapped to reference district centers given in the <em>Data_Geography.csv</em> file. Climate parameters include temperatures (minimum, maximum, average), precipitation, humidity, radiation, windspeed plus bark beetle-relevant calculated parameters like degreedays, estimated start and end date of brooding season, and frostdays during winter that indicate overwintering success of bark beetles.<br> </li> <li><strong>Data_BMLRT_AnnualLoggingReports.xlsx</strong> <strong>:</strong> Collected data from Austrian logging reports in political district-resolution, stating salvage logging from bark beetle and storm damage to deciduous trees yearly from 2003-2022. Units are Efm (harvest cubic meters), Vfm (stcok cubic meters) and ha (hectar). Around 95% of bark beetle damages to deciduous trees were identified to be caused by <em>Ips typugraphus</em> to <em>Picea abies</em>.<br> </li> <li><strong>Data_BWF_DocumentationOfForestdamagefactors.xlsx</strong> <strong>:</strong> Collected data from Austrian documentation of forest damaging agents mostly in federal state-level resolution, stating bark beetle and storm damage to forests from 1989-2022.<br> </li> <li><strong>Data_BWF_ForestInventory.csv</strong> <strong>:</strong> Collected data from Austrian forest inventories in political district-resolution yearly from 1996-2021, including total district area , total forest area, total coniferous forest area, total spruce area and associated shares and stocks, as well as some scarce data on dead wood.<br> </li> <li><strong>Data_Merged_NaNcleared.csv</strong> <strong> :</strong> Table that contains all overlapping and imputed data from above, cleared of NaN values. Ready for further calculations or analysis.</li> </ul> <p> </p> <p>The python scripts for calculating the present (and more) bark beetle-relevant parameters can be found on GitHub: <em>https://github.com/nadinefreistetter/barkbeetle_outbreak_scripts</em> in .ipynb format.</p> <p> </p> <blockquote> <p>These data were prepared for the International Institute of Applied Systems Analysis Young Scientists Summer Program 2023. The report will be available online in 2024. The work of Freistetter has been carried out with funding from the Academy of Finland (decision number 341311).</p> </blockquote>
Data from: Effects of Bark Beetle Outbreaks on Forest Landscape Pattern in the Southern Rocky Mountains, U.S.A.
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Data from: Geosmithia associated with bark beetles and woodborers in the western USA: taxonomic diversity and vector specificity
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Data from: Comparative phylogeography, genetic differentiation, and contrasting reproductive modes in three fungal symbionts of a multipartite bark beetle symbiosis
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Weak population genetic structure in Eurasian spruce bark beetle over large regional scales in Sweden
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Bark and ambrosia beetles on Mt. Wilhelm, Papua New Guinea
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Context-dependent disturbance synergies: Subcortical competitors may constrain bark beetle irruption following wildfires
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Decomposition of bark beetle-attacked trees after mortality varies across forests
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A novel choice test to detect the influence of fungi on the tunneling behavior of sympatric bark beetles (Coleoptera: Scolytinae)
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Data from: Peeking under the bark: Within-tree densities of the spruce bark beetle (<em>Ips typographus</em>) and its enemies in forest conservation areas
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Data characterizing symbiosis between the alder bark beetle and Neonectria bordenii
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Characterization and microsatellite marker development for Geosmithia obscura, a common bark and ambrosia beetle associate
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