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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Ref ID : 1007

Alois Herzig; Ten years quantitative data on a population of Rhinoglena fertoensis (Brachionidae, Monogononta). Hydrobiologia 73:161-167, 1980

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Some information, based upon a ten years study, is given on the ecology of Rhinoglena fertoensis, a cold stenothermic rotifer. The largest numbers were always found during winter months under ice. A remarkable increase in population density is recorded throughout the investigation and its explained by the good quality of the food supply and a parallel increase in its abundance. The dynamics of this species appear to be closely connected with water temperature gradients. The distribution of Rhinoglena fertoensis is discussed in connection with water chemistry.