A comparative study on orthopteroid assemblages along a moisture gradient in the Western Carpathians |
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| Authors: | Vladimír Gavlas Jozef Bednár Anton Krištín |
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| Institution: | (1) Department of Applied Ecology, Technical University of Zvolen, SK-96901 Banská Štiavnica, Slovakia;(2) Oxford University Centre for the Environment, Oxford, UK;(3) Institute of Forest Ecology, Slovak Academy of Sciences, Štúrova 2, SK-96053 Zvolen, Slovakia |
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| Abstract: | Orthopteroid assemblages (orders Orthoptera and Mantodea) were compared along moisture gradient at five sites of the Slovak
Karst in southern Slovakia. A total of 40 species were recorded by sweep-net sampling. The occurence of each identified species
varied with soil moisture and other factors. Sites with similar moisture conditions tend to have similar assemblages. No species
occurred simultaneously at the wettest and driest sites. There were two principal and five subordinate assemblages within
the moisture gradient. Assemblages were related to the two commonest habitat types demarcated by the presence of different
indicator species. Total orthopteroid species richness and number of grasshopper (Acridoidea) species increased linearly with
falling soil moisture and Ellenbergs’s indicator value for moisture.
The author died on February 24, 2006 |
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| Keywords: | Orthoptera Mantodea temperate grassland habitat types Slovak Karst Central Europe |
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