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Scale-dependency of the environmental influence on fish β-diversity: Implications for ecoregionalization and conservation ArchiMer
Garcia, Jessica; Pelletier, Dominique; Carpentier, Liliane; Roman, William; Bockel, Thomas.
Aim To determine the ecoregions (spatial marine areas with similar environmental and physical conditions associated with relatively homogeneous fish assemblages) for shallow reef fish assemblages based on predictive models of beta diversity (β‐diversity) that account for both large‐scale environmental factors and local habitat characteristics. We assessed the influence of a spatial scale to rank the importance of these factors. Location New Caledonian (south‐west Pacific Ocean, 17–24° S, 158–172° W) Exclusive Economic Zone, Coral Sea Marine Park. Taxon Fish. Methods Fish and habitat data that were collected at 13 sites around New Caledonia using unbaited rotating underwater video (285 sampling stations) were analysed. Gradient forest modelling was used to...
Tipo: Text Palavras-chave: Β‐diversity; Ecoregion; Gradient forest; Marine biodiversity; New Caledonia; Scale-dependency; Species turnover; Underwater video.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00455/56668/58629.pdf
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