The distribution of aquatic oligochaetes in the fenland area of N.W. Overijssel (The Netherlands) |
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| Authors: | Piet F M Verdonschot |
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| Institution: | (1) Department of Watershed Management, Provincial Water Authority, NL-8000 AB, P.O. Box 73, Zwolle, The Netherlands |
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| Abstract: | A synoptic study of the aquatic ecosystems in the Dutch province of Overijssel revealed the presence of 33 oligochaete taxa in the fendland area of N.W. Overijssel. The material was collected at 101 sampling sites in 1981. Oligochaetes were grouped by means of a normal and inverse cluster analysis. Although most oligochaetes are quite biquitous, differences in occurrence and abundance were observed and related to minor differences in environmental parameters. |
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| Keywords: | aquatic Oligochaeta fenland cluster analysis ecological groups |
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