Ecological survey of the aquatic oligochaetes in the Lower Pearl River (People's Republic of China) |
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| Authors: | Qi Sang Christer Erséus |
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| Affiliation: | (1) Department of Biology, Jinan University, Guangzhou, People's Republic of China;(2) Swedish Museum of Natural History, Stockholm;(3) Department of Zoology, University of Göteborg, Box 25059, S-400 31 Göteborg, Sweden |
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| Abstract: | The species composition, distribution and abundance of the Tubificidae (8 spp.) and Naididae (at least 4 spp.) in the Guangzhou reach of the Lower Pearl River were investigated. Limnodrilus spp. (particularly L. hoffmeisteri) constitutes the greatest part in nearly all samples, which were taken in both clean and polluted parts of the reach. In the polluted sites, total oligochaete densities reach values of up to 700 000 ind. m–2. The importance and problems of using oligochaetes as indicators of organic pollution are discussed. |
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| Keywords: | aquatic Oligochaeta Tubificidae Naididae pollution river ecology |
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