Forests of the Bereg-plain as refuges based on their carabid fauna (Coleoptera: Carabidae)

Ködöböcz, V. and Magura, T. (2005) Forests of the Bereg-plain as refuges based on their carabid fauna (Coleoptera: Carabidae). Acta Phytopathologica et Entomologica Hungarica, 40 (3-4). pp. 367-382. ISSN 0238-1249

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Abstract

Carabid fauna of 16 sampling sites located in the Bereg-plain and in the Carpathians were studied using pitfall samples. During the two-year-study we trapped 5849 individuals of 51 carabid species. We determined the occurrence of Carabus glabratus, Abax schueppeli and Leistus piceus in the Bereg-plain. We demonstrated additional localities of Carabus arcensis carpathus, Carabus intricatus, Carabus hampei and Cychrus caraboides. Considering the above results as well as our earlier data, we showed that the studied sampling sites can be classified into four groups based on their carabid fauna by cluster analysis: (1) forest stands of the Carpathians, (2) island-like hills of the Bereg-plain, (3) lowland forests maintaining several carabid species characteristic of hills and mountains, and (4) lowland forests containing mainly widely distributed and lowland species. We pointed out that the carabid fauna of the forests of the Bereg-plain is related to the fauna of the Carpathians, in addition, that the Bereg-plain can be regarded as the fluctuation zone of the forest-inhabiting mountainous carabid species. Based on our results it is proved that some forests of the Bereg-plain can be regarded as refuges and potential dispersal centres for the forest-inhabiting mountainous carabid species.

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