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Crustacean Species Richness in Temporary Pools: Relationships with Habitat Traits |
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| Authors: | Avi Eitam Leon Blaustein Kay Van Damme Henri J. Dumont Koen Martens |
| Affiliation: | 1. Community Ecology Laboratory, Institute of Evolution, University of Haifa, 31905, Haifa, Israel 4. Department of Entomology, University of Kentucky, S-225 Ag. Science Center North, Lexington, KY 40546-0091, U.S.A. 2. Department of Biology, Animal Ecology, Ghent University, Ledeganckstraat 35, B-9000, Ghent, Belgium 3. Institute of Biodiversity and Ecosytem Dynamics, University of Amsterdam, Mauritskade 57, 1092 AD, Amsterdam, The, Netherlands |
| Abstract: | We examined species richness separately for cladocerans and ostracods in 52 temporary pools in a small geographical area, relating species richness with habitat traits using multiple regressions. Habitat traits considered included surface area, water depth, permanence and sediment depth. Permanence was an important predictor of species richness of both cladocerans and ostracods. Additionally, variation in ostracod species richness was significantly explained by water depth (negative relationship) and sediment depth (positive relationship). Surface area was not a statistically significant factor in any of our analyses. The importance of permanence supports the hypothesis that extinction due to pool drying is a major driving force behind the structuring of microcrustacean communities in temporary pools. |
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