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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Sang, Q., Erséus, C. Ecological survey of the aquatic oligochaetes in the Lower Pearl River (People's Republic of China). Hydrobiologia 128, 39–44 (1985). https://doi.org/10.1007/BF00008938
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DOI: https://doi.org/10.1007/BF00008938