Origin and development of river zooplankton : example of the Marne

Zooplankton composition and growth in the river Marne (France)were studied on a space scale of 300 km in July 1991. There werethree distinct areas along the river: the immediate reservoir outlet(pK 652), the natural river called middle Marne (from pK 652to pK 799 downstream) and the channeled river...

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Bibliographic Details
Published in:Hydrobiologia 1997-02, Vol.345 (2-3), p.143-148
Main Authors: POURRIOT, R, ROUGIER, C, MIQUELIS, A
Format: Article
Language:English
Subjects:
Animal and plant ecology
Animal, plant and microbial ecology
Biological and medical sciences
Downstream
Fresh water ecosystems
Freshwater
Fundamental and applied biological sciences. Psychology
Keratella cochlearis robusta
Lakes
Outlets
Plankton
Polyarthra dolichoptera vulgaris
Reservoirs
Rivers
Rotifera
Synecology
Turbidity
Zooplankton
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Summary:Zooplankton composition and growth in the river Marne (France)were studied on a space scale of 300 km in July 1991. There werethree distinct areas along the river: the immediate reservoir outlet(pK 652), the natural river called middle Marne (from pK 652to pK 799 downstream) and the channeled river (from pK 799 topK 975 downstream). A typical lake community, characterized both byan abundance of microcrustaceans and a high zooplanktonconcentration was found immediately downstream of the reservoir Marne(Der-Chantecocq Lake). Here, large microcrustaceans (copepods,daphnids), and large rotifers (Keratella cochlearisrobusta and Polyarthra dolichoptera-vulgaris) rapidlydisappeared, and small rotifer species (
ISSN:0018-8158
1573-5117
DOI:10.1023/a:1002935807795