Assemblages of peracarid crustaceans in subtidal sediments from the Ría de Aldán (Galicia,NW Spain) |
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Authors: | Antía Lourido Juan Moreira Jesús S Troncoso |
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Institution: | 1.Departamento de Ecoloxía e Bioloxía Animal, Facultade de Ciencias del Mar, Campus de Lagoas-Marcosende s/n,Universidade de Vigo,Vigo,Spain;2.Estación de Bioloxía Mari?a da Gra?a,Universidade de Santiago de Compostela,A Gra?a, Ferrol,Spain |
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Abstract: | Peracarid crustaceans inhabit many marine benthic habitats and are good indicators of environmental conditions. There is,
however, a lack of information about diversity and distribution of peracarid crustaceans on the shallow subtidal sediments
of the Galician rias. In the summer of 1997, 27 subtidal stations were sampled in the Ría de Aldán, a ria on the southern
margin of the mouth of the Ría de Pontevedra (Galicia, NW Spain). A total of 16,191 peracarid individuals were collected,
comprising 125 species belonging to five orders. Amphipods were dominant in number of species and individuals, followed by
isopods and cumaceans. Multivariate analyses of these data indicated that depth and sediment granulometry were major determinants
of distribution and composition of peracarid assemblages in the ria. |
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Keywords: | Peracarida Soft-bottoms Assemblages Atlantic Ocean Ría de Aldán |
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