The effect of water movement on the distribution of Oligochaeta in lakes

The Oligochaeta are more exposed to disturbance under conditions of intense water movement than other invertebrates, particularly when the substrate is unstable. Furthermore, low mobility of bottom water, which can lead to excessive accumulation of organic matter in sediments, and to the formation o...

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Bibliographic Details
Published in:Hydrobiologia 1996-10, Vol.334 (1-3), p.85-88
Main Author: Slepukhina, T. D.
Format: Article
Language:English
Subjects:
Freshwater
Oligochaeta
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Summary:The Oligochaeta are more exposed to disturbance under conditions of intense water movement than other invertebrates, particularly when the substrate is unstable. Furthermore, low mobility of bottom water, which can lead to excessive accumulation of organic matter in sediments, and to the formation of 'sapropel', can also be limiting to the distribution of oligochaetes. Organic contamination in conditions of low water dynamics can result in the absence of Oligochaeta through oxygen depletion. Dynamic water movement can stimulate the mass development of Oligochaeta in organically polluted areas.
ISSN:0018-8158
1573-5117
DOI:10.1007/BF00017356