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The food web in Red Wharf Bay (North Wales) with particular reference to young plaice (Pleuronectes platessa)
Macer, C.T. (1967). The food web in Red Wharf Bay (North Wales) with particular reference to young plaice (Pleuronectes platessa), in: Kinne, O. et al. (Ed.) (1967). Vorträge und Diskussionen. Erstes Europäisches Symposion über Meeresbiologie = Papers and discussions. First European Symposium on Marine Biology = Rapports et discussions. Premier symposium européen sur biologie marine. Helgoländer Wissenschaftliche Meeresuntersuchungen, 15(1-4): pp. 560-573. dx.doi.org/10.1007/BF01618651
In: Kinne, O.; Aurich, H. (Ed.) (1967). Vorträge und Diskussionen. Erstes Europäisches Symposion über Meeresbiologie = Papers and discussions. First European Symposium on Marine Biology = Rapports et discussions. Premier symposium européen sur biologie marine. Helgoländer Wissenschaftliche Meeresuntersuchungen, 15(1-4). Biologische Anstalt Helgoland: Hamburg. 669 pp., more
In: Helgoländer Wissenschaftliche Meeresuntersuchungen. Biologische Anstalt Helgoland: Hamburg. ISSN 0017-9957, more
Peer reviewed article

Also published as
  • Macer, C.T. (1967). The food web in Red Wharf Bay (North Wales) with particular reference to young plaice (Pleuronectes platessa). Helgol. Wiss. Meeresunters. 15(1-4): 560-573. dx.doi.org/10.1007/BF01618651, more

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Document type: Conference paper

Keyword
    Marine

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  • Macer, C.T.

Abstract
    1. About twenty-five species of fish occur in Red Wharf Bay; plaice, dabs and gobies predominate in the beam-trawl catches. 0-group plaice comprise about 70% of the catch in a push-net at low-water mark.
    2. The 0-group plaice first arrive in late April or May and recruitment continues into July or August. In the succeeding months, the mortality rate is about 40% per month. 0-group dabs arrive in June and their monthly mortality rate is about 44%.
    3. Growth rate of plaice and dabs is high in summer but low from November to April.
    4. The food of the earliest 0-group plaice differed from year to year and included both plankton and benthos.
    5. Pairs of fish species having similar feeding habits could be discerned but one of each pair had a wider depth distribution than the other. Plaice and dabs had similar diets but, when examined in detail, differences were apparent.
    6. Marking experiments indicated that, in summer and autumn, O-group plaice tended to keep to their own part of the bay and that, if transported offshore, they returned to the shallow-water areas.

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