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Spatial and temporal changes in the demersal fish community of the Ria de Arosa (NW Spain)
Iglesias, J. (1981). Spatial and temporal changes in the demersal fish community of the Ria de Arosa (NW Spain). Mar. Biol. (Berl.) 65: 199-208. hdl.handle.net/10.1007/BF00397086
In: Marine Biology. Springer: Heidelberg; Berlin. ISSN 0025-3162, more
Peer reviewed article  

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Keyword
    Marine

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  • Iglesias, J.

Abstract
    The demersal fish community was sampled seasonally in three habitats (beach, raft and middle) of the inner, middle, and outer Ria de Arosa (NW Spain). A total of 73 species of demersal fish, dominated by the family Gobiidae, were found. There were no important seasonal changes in abundance, with similarity values always higher than 60% between samples from two different sampling periods. Raft stations in the ria show the highest values of abundance all year, containing almost 1 individual m-2 in winter. The highest diversity indices were those from beach areas (2.11 to 2.27) and the lowest ones those from middle areas (1.13 to 1.86). Similarity indices and factorial analysis revealed three major groupings of species and samples, related to water depth and nature of the bottom.

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