Spatial structure of a subtidal macrobenthic community in the Bay of Veys (western Bay of Seine, English Channel)

The spatial distribution of the muddy fine sand community from the Bay of Veys (western English Channel) were investigated during spring and autumn 1997. A grid of 55 and 54 sites was sampled in March and October, respectively, using two replicates per site of a Hamon grab (0.25 m 2) for macrofauna...

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Veröffentlicht in:Journal of experimental marine biology and ecology 2004-08, Vol.307 (2), p.217-235
Hauptverfasser: Dauvin, Jean-Claude, Thiébaut, Eric, Gesteira, José Luis Gomez, Ghertsos, Konstantinos, Gentil, Franck, Ropert, Michel, Sylvand, Bernard
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container_end_page 235
container_issue 2
container_start_page 217
container_title Journal of experimental marine biology and ecology
container_volume 307
creator Dauvin, Jean-Claude
Thiébaut, Eric
Gesteira, José Luis Gomez
Ghertsos, Konstantinos
Gentil, Franck
Ropert, Michel
Sylvand, Bernard
description The spatial distribution of the muddy fine sand community from the Bay of Veys (western English Channel) were investigated during spring and autumn 1997. A grid of 55 and 54 sites was sampled in March and October, respectively, using two replicates per site of a Hamon grab (0.25 m 2) for macrofauna collection and an additional one for sediment analysis. A total of 172 species were sampled with a dominance of polychaetes, followed by crustaceans and bivalves. The species richness and abundance show low temporal changes despite higher values in October than in March. In March, the mean abundance was 165 ind. 0.5 m −2; in October, the mean abundance was 212 ind. 0.5 m −2. Four assemblages from the Abra alba– Pectinaria koreni community were identified corresponding to a bathymetric and sedimentary gradient from muddy fine sands with high levels of fine particles in shallow water to fine sands in deeper water. The discussion focuses on factors prevailing on the spatial structure of sandy communities in the English Channel.
doi_str_mv 10.1016/j.jembe.2004.02.005
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subjects Abra alba
Abra alba– Pectinaria koreni community
Animal and plant ecology
Animal, plant and microbial ecology
Biological and medical sciences
Bivalvia
English Channel
Fundamental and applied biological sciences. Psychology
Marine
Pectinaria koreni
Polychaeta
Sea water ecosystems
Sediment–animal relationship
Spatial patterns
Synecology
title Spatial structure of a subtidal macrobenthic community in the Bay of Veys (western Bay of Seine, English Channel)
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