Abstract
Information on the distribution of planktic, periphytic and benthic rotifers from diverse waters in south and central Sweden was analysed for details on relationships to the trophic degree. Three factors were combined in order to get an estimation of the trophic degree: tot-P-content, electrolytic conductivity and content of dry matter. Indicators of oligotrophic and eutrophic environments are enumerated. As far as the planktic species are concerned, the results are largely compatible with those of earlier investigations (while the non-planktic forms were previously less known in this respect). Some eutrophy indicators have been reported as typical of saprobic environments.
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Bērziņš, B., Pejler, B. Rotifer occurrence and trophic degree. Hydrobiologia 182, 171–180 (1989). https://doi.org/10.1007/BF00006043
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DOI: https://doi.org/10.1007/BF00006043