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Benthic nematodes in acidified lakes: case of a neglected grazer |
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| Authors: | Krystyna Prejs Stanislaw Lazarek |
| Affiliation: | (1) Department of Hydrobiology, University of Warsaw, Nowy Świat 67, 00-046 Warszawa, Poland;(2) Department of Ecology, University of Lund, Box 65, 221 00 Lund, Sweden;(3) Laboratoire de Zoologie et Protistologie, Université de Clermont-Ferrand II, BP 45, 63170 Aubière, France |
| Abstract: | Abundance and composition of nematode fauna were examined in the benthic microbial mats and upper sediment layer of the littoral of acidified (pH 4.6 to 5.7) lakes. Nematodes constituted from 58% to 90% of all the invertebrates present (excluding protozoans and rotifers). In the examined material, the majority of nematodes was represented by 3 taxa of which Ironus was found specifically associated with the mats. It was concluded that the persistence of benthic mats may be linked to the metabolic activity of the associated nematode fauna. |
| Keywords: | Benthic nematodes microbial mats acidified lakes |
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