Distribution of Boros schneideri (Panzer, 1796) (Coleoptera, Boridae) in Lithuania |
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Authors: | V Karalius L Blažytė-Čereškienė |
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Institution: | (1) Institute of Ecology of Vilnius University, Akademijos 2, 08412 Vilnius-21, Lithuania |
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Abstract: | The distribution of the endangered species Boros schneideri was studied by checking the presence of larvae and adults under the bark of dead Pinus sylvestris trees in 13 pine forests in Lithuania. B. schneideri was found in 10 biggest pine forests, the area of which exceeded 20,000 ha. However, it was not detected in smaller isolated
forests. In Kazlų Rūda, Šimonys, Pabradė and Rūdiškės forests this species was recorded for the first time. The part of localities
in which B. schneideri was found and the percentage of trees with B. schneideri were significantly higher in the main parts of the biggest forests than in satellite or smaller forests. Both these parameters
were significantly lower in forests located in the close vicinity of urban territories than in forests further from them.
Consequently, the forest size and the distance of the forest from urban territories were found to be of critical importance
for the survival and density of the B. schneideri population. These distribution regularities are important for the establishment of protected areas for this species conservation. |
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Keywords: | Boros schneideri Distribution Lithuania Urban impact Conservation |
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