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Seasonal succession and spatial distribution of the zooplankton community in the reservoir of Esch-sur-Sûre (Luxembourg)
Dohet, A.; Hoffmann, L. (1995). Seasonal succession and spatial distribution of the zooplankton community in the reservoir of Esch-sur-Sûre (Luxembourg), in: Schockaert, E.R. (Ed.) Proceedings of the First Benelux Congress of Zoology, Leuven, 4-5 November 1994. Belgian Journal of Zoology, 125(1): pp. 109-123
In: Schockaert, E.R. (Ed.) (1995). Proceedings of the First Benelux Congress of Zoology, Leuven, 4-5 November 1994. Belgian Journal of Zoology, 125(1). Koninklijke Belgische Vereniging voor Dierkunde = Société royale zoologique de Belgique: Diepenbeek. 263 pp., more
In: Belgian Journal of Zoology. Koninklijke Belgische Vereniging voor Dierkunde = Société royale zoologique de Belgique: Gent. ISSN 0777-6276, more
Peer reviewed article  

Also published as
  • Dohet, A.; Hoffmann, L. (1995). Seasonal succession and spatial distribution of the zooplankton community in the reservoir of Esch-sur-Sûre (Luxembourg). Belg. J. Zool. 125(1): 109-123, more

Available in Authors 
Document type: Conference paper

Keyword
    Fresh water

Authors  Top 
  • Dohet, A.
  • Hoffmann, L.

Abstract
    During three years (1990, 1992 and 1993), the zooplankton community of the Esch-sur-Sûre reservoir was investigated. A total of 75 taxa, dominated by rotifers, was observed. Zooplankton densities increased from the damsite towards the headwaters of the reservoir; they peaked in spring and at the end of summer. Despite quantitative differences, the same species succession was observed during the three years and at all the lake sampling stations. Thus the zooplankton community shifted from rotifers in early spring to small-bodied cladocerans (Bosminaspp.), and, finally, to larger cladocerans (Daphnia spp.) in early summer. Shifts in zooplankton composition have also frequently been observed in midsummer, when the cladoceran assemblage of Daphnia-Bosmina was generally replaced by a combination of Ceriodaphnia-Diaphanosoma. These species successions are discussed in relationship to size-selective predation, resource limitation and interspecific composition.

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