Abstract
Limnodrilus claparedeanus with its high productivity is the most numerous tubificid species in the Tsimlyansk Reservoir. As a result of frequent reproduction, young worms are abundant in the population. Individuals mature in a short time and are able to lay cocoons nine weeks after hatching. The number of embryos in the cocoons varies from one to twenty-six, thirteen being most frequent. The young worms mature rapidly and early reproduction results in an increase in the population in autumn.
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References
Poddubnaya, T. L., 1971. Resorption and regeneration of the reproductive system of Tubificidae on the example of Isochaetides newaensis Mich. (Oligochaeta, Tubificidae). In Biology and Physiology of Freshwater Organisms. Leningrad: 81–90 (in Russian).
Poddubnaya, T. L., 1973. Tubificidae production in the Ivankovo Reservoir in the zone of warm waters effluent of the Konakovo State Regional Power Station. Hydrobiol. J. 9: 52–57 (in Russian).
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Dolidze, T.M. Biology of Limnodrilus claparedeanus Ratzel (aligochaeta, Tubificidae) in the Tsimlyansk Reservoir. Hydrobiologia 278, 275–279 (1994). https://doi.org/10.1007/BF00142335
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DOI: https://doi.org/10.1007/BF00142335