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Title: The diet and consumption of dominant fish species in the upper Scheldt estuary, Belgium
Authors: Maes, Joachim ×
de Brabandere, L
Ollevier, Frans
Mees, J #
Issue Date: Jun-2003
Publisher: Cambridge univ press
Series Title: Journal of the marine biological association of the united kingdom vol:83 issue:3 pages:603-612
Abstract: Seasonal changes in the diet composition and trophic niche overlap were examined for the dominant members of the fish assemblage of the turbid low-salinity zone of the Scheldt estuary (Belgium). Samples of fish were taken in the cooling water of a power plant. juveniles of eight species dominated the fish assemblage: two goby species, herring, sprat, bass, flounder, eel and pikeperch. Together, they had preyed upon 31 different prey taxa. Calanoid copepods and hyperbenthic mysids were the most important prey items with macrobenthic invertebrates being largely ignored. Pair-wise comparisons of trophic niche overlap showed that, in general, niche overlap between individuals of the same species was significantly higher than overlap between individuals from different species, suggesting that the available food resources were partitioned. The total annual prey consumption by the dominant fish species was estimated at 610 mg ash-free dry weight m(-3).
URI: 
ISSN: 0025-3154
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Ecology, Evolution and Biodiversity Conservation Section
Laboratory for Aquatic Ecology and Evolutionary Biology (-)
× corresponding author
# (joint) last author

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