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Article: Variation in populations of Littorina obtusata and L. mariae (Gastropoda) in the Severn Estuary

TitleVariation in populations of Littorina obtusata and L. mariae (Gastropoda) in the Severn Estuary
Authors
Keywords-Littorina Obtusata - Littorina Mariae - Shell Shape - Colour Morphs Vertical Distribution - Severn Estuary
Issue Date1994
Citation
Biological Journal Of The Linnean Society, 1994, v. 51 n. 1-2, p. 189-198 How to Cite?
AbstractPopulations of both species of flat periwinkle were examined at five discrete sites along the Severn Estuary, and at a marine site in Dyfed. The vertical distribution of the two species showed a clear partitioning of the shore-Littorina obtusata occupied the high/mid shore and L. mariae the low shore area. L. obtusata also extended further up the Severn Estuary than L. mariae. Maximum densities of both species were found in Milford Haven. Biometric investigations revealed intra and inter-specific differences in colour morphs, shell damage and size between populations. The possihle influence of differential selection pressures at the various sites is discussed. © 1994 The Linnean Society of London.
Persistent Identifierhttp://hdl.handle.net/10722/179033
ISSN
2015 Impact Factor: 1.984
2015 SCImago Journal Rankings: 1.172

 

DC FieldValueLanguage
dc.contributor.authorWilliams, GAen_US
dc.date.accessioned2012-12-19T09:51:33Z-
dc.date.available2012-12-19T09:51:33Z-
dc.date.issued1994en_US
dc.identifier.citationBiological Journal Of The Linnean Society, 1994, v. 51 n. 1-2, p. 189-198en_US
dc.identifier.issn0024-4066en_US
dc.identifier.urihttp://hdl.handle.net/10722/179033-
dc.description.abstractPopulations of both species of flat periwinkle were examined at five discrete sites along the Severn Estuary, and at a marine site in Dyfed. The vertical distribution of the two species showed a clear partitioning of the shore-Littorina obtusata occupied the high/mid shore and L. mariae the low shore area. L. obtusata also extended further up the Severn Estuary than L. mariae. Maximum densities of both species were found in Milford Haven. Biometric investigations revealed intra and inter-specific differences in colour morphs, shell damage and size between populations. The possihle influence of differential selection pressures at the various sites is discussed. © 1994 The Linnean Society of London.en_US
dc.languageengen_US
dc.relation.ispartofBiological Journal of the Linnean Societyen_US
dc.subject-Littorina Obtusata - Littorina Mariae - Shell Shape - Colour Morphs Vertical Distribution - Severn Estuaryen_US
dc.titleVariation in populations of Littorina obtusata and L. mariae (Gastropoda) in the Severn Estuaryen_US
dc.typeArticleen_US
dc.identifier.emailWilliams, GA: hrsbwga@hkucc.hku.hken_US
dc.identifier.authorityWilliams, GA=rp00804en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1006/bijl.1994.1016en_US
dc.identifier.scopuseid_2-s2.0-38149147068en_US
dc.identifier.volume51en_US
dc.identifier.issue1-2en_US
dc.identifier.spage189en_US
dc.identifier.epage198en_US
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridWilliams, GA=7406082821en_US

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