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Food resource use in sympatric juvenile plaice and flounder in estuarine habitats
Mariani, S.; Boggan, C.; Balata, D. (2011). Food resource use in sympatric juvenile plaice and flounder in estuarine habitats, in: Green, J.A. et al. (Ed.) Marine Biology in Time and Space. Proceedings of the 44th European Marine Biology Symposium, 7-11 September 2009, Liverpool, UK. Marine Ecology (Berlin), 32(S1): pp. 96-101. dx.doi.org/10.1111/j.1439-0485.2010.00419.x
In: Green, J.A. et al. (Ed.) (2011). Marine Biology in Time and Space. Proceedings of the 44th European Marine Biology Symposium, 7-11 September 2009, Liverpool, UK. Marine Ecology (Berlin), 32(S1). Wiley: London. vii, 134 pp., more
In: Marine Ecology (Berlin). Blackwell: Berlin. ISSN 0173-9565, more
Peer reviewed article  

Available in Authors 
Document type: Conference paper

Keywords
    Platichthys flesus (Linnaeus, 1758) [WoRMS]; Pleuronectes platessa Linnaeus, 1758 [WoRMS]; Marine
Author keywords
    Adaptation; coastal habitats; flatfish; Irish Sea; Platichthys flesus; Pleuronectes platessa; trophic niche

Authors  Top 
  • Mariani, S., more
  • Boggan, C.
  • Balata, D.

Abstract
    Environmental conditions in estuarine habitats can vary greatly and influence the composition of fish assemblages and their trophic interrelationships. We investigated feeding habits and patterns of diet overlap in juvenile plaice (Pleuronectes platessa) and flounder (Platichthys flesus) from two estuarine habitats in the Irish Sea. Plaice was found to vary its diet significantly across environments, whereas flounder exhibited a more consistent and homogeneous feeding pattern. Importantly, sympatric fish sampled at the same station were shown to reduce diet overlap. The results support the view that environmental heterogeneity in estuaries maintains a wide range of selective forces, the net outcome of which can produce a diverse array of feeding adaptations among interacting species.

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