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Spatial organization of a sedimentary macrobenthic community located on the West African Equatorial margin ArchiMer
Brind'Amour, Anik; Menot, Lenaick; Galeron, Joelle; Crassous, Philippe.
Multiscale variability of a macrobenthic community inhabiting fine sediments on the West African Equatorial margin was assessed during three cruises as part of the BIOZAIRE research program. Spatial scales ranged from 15 to 550 m (within station) and from 1000 to 7000 m (between stations). Principal Coordinates of Neighbour Matrices (PCNM) allowed the detection of multiscale patterns of variability within a location, while a binary coding of the sampling stations was used at broad spatial scales. Significant patterns were observed at 170 and >4000 m. The two spatial scales displayed similar biotic responses, with the Scaphopoda and Bivalvia having patterns that were opposite to the Pholoidae. A spatio-temporal patchwork of environmental variables might...
Tipo: Text Palavras-chave: Spatial distribution; PCNM; Multiscale analyses; Macrobenthic communities; Habitat patches; BIOZAIRE.
Ano: 2009 URL: http://archimer.ifremer.fr/doc/2009/publication-6508.pdf
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