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- Title
Habitat and landscape attributes influencing spider assemblages at lowland forest river valley (Hungary).
- Authors
GALLÉ, Róbert; SCHWÉGER, Szabina
- Abstract
The lower Tisza valley in the Hungarian Great Plain consists mainly of small patches of seminatural grassland and forest fragments embedded in a matrix of agricultural fields. We tested the effect of landscape and habitat attributes on the structure of spider assemblages. The fieldwork was carried out in nine forest fragments within two regions in the southern part of the Hungarian Great Plain, near the river Tisza. The epigeic spider fauna was collected with pitfall traps. The traps were arranged in three groups of five traps at each fragment. Landscape attributes had the strongest effect on spider species composition at the scales between 250 and 750 m, with a peak at 500 m buffer. Spider species composition differed between regularly flooded and non-flooded fragments. Vegetation cover and the proportion of neighboring forests had significant effect on the rarefaction diversity of spiders. Flooding, soil moisture, vegetation cover, and the proportion of forests within 500 m buffer significantly affected spider assemblages. Our results suggest that both habitat and landscape attributes affected spider species richness and composition in lower Tisza valley. Preserving many forest types is essential to maintain the high number of species in the regional pool.
- Subjects
TISZA River Valley; HUNGARY; SPIDERS; FLOODPLAIN ecology; LANDSCAPES
- Publication
North-Western Journal of Zoology, 2014, Vol 10, Issue 1, p36
- ISSN
1584-9074
- Publication type
Article