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Reproductive, genetic and ecological evidence that Actinia equina var. mesembryanthemum and var. fragacea are not conspecific

Published online by Cambridge University Press:  11 May 2009

M. A. Carter  and
J. P. Thorpe
M. A. Carter
Affiliation:
Department of Biological Sciences, Portsmouth Polytechnic, King Henry I Street, Portsmouth
J. P. Thorpe
Affiliation:
Department of Genetics and Department of Zoology, University College of Swansea, Singleton Park, Swansea
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Extract

The intertidal distributions of the two varieties of Actinia equina L. defined by Stephenson (1935), var mesembryanthemum and vai.fragacea, have been studied on several shores of the English Channel. The reproductive physiology and iso-enzyme genetics of sympatric populations of the two taxa have been investigated in greater detail on one shore. The genetic results show that the two taxa are reproductively isolated and, overall, the evidence indicates that they are separate species.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 61 , Issue 1 , February 1981 , pp. 79 - 93
Copyright
Copyright © Marine Biological Association of the United Kingdom 1981

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