Feeding strategy of two sympatric anostracan species (Crustacea) |
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Authors: | Beladjal Lynda Peiren Nico Dierckens Kristof R. Mertens Johan |
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Affiliation: | (1) Laboratory Ecologie Animale, Univ.S.T.H.B, BP 32 El Alia Bab Ezzouar, 16111 Alger, Algeria;(2) Laboratory of Animal Ecology, University of Ghent, K. L. Ledeganckstraat 35, B-9000 Gent, Belgium |
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Abstract: | The transport rate of chalk, clay particles and algal cells (Scenedesmus sp.) through the digestive tract of Streptocephalus torvicornis and Branchipus schaefferi is described under experimental conditions. Differences in transport rate as well as in the degree of digestion at a fixed particle density of algae were found. In S. torvicornis, the transport rate is higher and the digestion of algae lower than in B. schaefferi. These differences might reflect trophic differences related to niche partitioning in these sympatric species. This revised version was published online in August 2006 with corrections to the Cover Date. |
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Keywords: | Streptocephalus torvicornis Branchipus schaefferi feeding strategy niche diversification sympatry Anostraca |
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