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The macrofauna of maerl substrates of the West coast of Ireland
Keegan, B.F. (1974). The macrofauna of maerl substrates of the West coast of Ireland. Cah. Biol. Mar. 15(4): 513-530, 1 plate
In: Cahiers de Biologie Marine. Station Biologique de Roscoff: Paris. ISSN 0007-9723, more
Peer reviewed article  

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Keyword
    Marine

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  • Keegan, B.F.

Abstract
    A heterogeneous group of animals is consistently if variously associated with the infralittoral maerl of the eastern North Atlantic. The findings of this study conform to the general pattern. 6 types of maerl substrate have been arbitrarily distinguished for the area of the investigation. In each case, Lithothamnium corabllioides var corallioides constitutes the bulk of the deposit. The associated macrobenthic animals were quantitatively investigated, using in situ sampling techniques. Particular attention is accorded to the anomalous occurrence of high-density populations of Paracentrotus lividus and mixed aggregations of Antedon bifida and Ophiocomina nigra.

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