TAILIEUCHUNG - Báo cáo lâm nghiệp: "Merocoenoses of cambioxylophagous insect fauna of Norway spruce (Picea abies [L.] Karst.) with focus on bark beetles (Coleoptera: Scolytidae) and types of tree damage in different gradation conditions"

Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí lâm nghiệp đề tài: Merocoenoses of cambioxylophagous insect fauna of Norway spruce (Picea abies [L.] Karst.) with focus on bark beetles (Coleoptera: Scolytidae) and types of tree damage in different gradation conditions. | JOURNAL OF FOREST SCIENCE 56 2010 10 474-484 Merocoenoses of cambioxylophagous insect fauna of Norway spruce Picea abies L. Karst. with focus on bark beetles Coleoptera Scolytidae and types of tree damage in different gradation conditions E. Kula1 W. Zạbecki2 1Faculty of Forestry and Wood Technology Mendel University in Brno Brno Czech Republic Faculty of Forestry Agricultural University of Cracow Cracow Poland ABSTRACT Research on merocoenoses of cambioxylophagous insect fauna of Norway spruce Picea abies L. Karst. was carried out in spruce stands of different age in the area with an endemic population Moravian-Silesian Beskids Czech Republic and in the area with an epidemic population Beskid Zywiecki Poland of the eight-toothed spruce bark beetle Ips typographus L. . The structure of merocoenoses was characterized separately for standing trees attacked by bark beetles trees struck by lightning trees affected by fungal pathogens and wind-felling and trees in the form of snags and fragments. The occurrence of cambioxylophagous insects mostly bark beetles Coleoptera Scolytidae was compared between the study areas with emphasis on dominant facultative primary bark beetles and types of damage to spruce trees. Keywords bark beetles the Beskids Central Europe merocoenoses Norway spruce Picea abies tree damage The bark beetle fauna of the Central and Western Palaearctic region consists of a total of 308 species and 53 genera. A total of 56 bark beetle species feed on Picea spp. and a total of 39 species depend on Norway spruce as their host Pfeffer 1995 . Of a total of 111 bark beetle species known to occur in the Czech Republic Pfeffer Knizek 1993 a total of 31 species are the associates of Norway spruce Picea abies L. Karst. Pfeffer 1995 . Knizek 2004 reported the danger of spreading new species of bark beetles. Regarding the distribution of bark beetles and their ability to attack and kill also living spruce trees the following several species are economically .

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