|Rotifer occurrence in relation to water colour|
Berzins, B.; Pejler, B. (1989). Rotifer occurrence in relation to water colour. Hydrobiologia 184: 23-28
In: Hydrobiologia. Springer: The Hague; . ISSN 0018-8158, more
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Information on the distribution of 223 species of planktic, periphytic and benthic rotifers from diverse waters in south and central Sweden was analyzed to reveal their relationships to the content of humolimnic substances, measured as mg Pt/i. Most rotifers have a very wide tolerance range against this factor. The majority of the planktic species prefer a low content of humolimnic substances, and the non-planktic rotifers mainly occurring in brown-coloured water show, in addition, a preference for low pH. No connection with trophic degree could be traced.