Ecological features of Terebellida fauna (Annelida, Polychaeta) from Ensenada de San Simón (NW Spain) | Zendy

Eva Cacabelos | Zendy; Juan Moreira | Zendy; Antía Lourido | Zendy; Jesús S. Troncoso | Zendy

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Ecological features of Terebellida fauna (Annelida, Polychaeta) from Ensenada de San Simón (NW Spain)

Author(s) -

Eva Cacabelos,

Juan Moreira,

Antía Lourido,

Jesús S. Troncoso

Publication year - 2011

Publication title -

animal biodiversity and conservation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.39

H-Index - 34

eISSN - 2014-928X

pISSN - 1578-665X

DOI - 10.32800/abc.2011.34.0141

Subject(s) - intertidal zone , abundance (ecology) , fauna , zostera , ecology , seagrass , zostera marina , biology , oceanography , geography , ecosystem , geology

Ecological features of Terebellida (Annelida, Polychaeta) inhabiting the intertidal and subtidal soft-bottoms of Ensenada de San Simón (NW Spain) were analysed by means of quantitative sampling. A total of 4,814 specimens belonging to five families (Ampharetidae, Pectinariidae, Terebellidae, Trichobranchidae and Sabellariidae) and ten species were collected in a variety of substrata and depths. Ampharetidae was the numerically dominant family mostly due to the abundance of Ampharete finmarchica and Melinna palmata; these species accounted for up to 94% of the total Terebellida abundance. Intertidal areas colonised by the seagrasses Zostera marina L. and Z. noltii Hornem. One thousand eight hundred and thirty-two harboured low densities of Terebellida, whereas the deeper subtidal muddy bottoms showed high abundances of ampharetids. Multivariate analyses suggested that Terebellida assemblages are highly correlated with sediment composition.

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