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Spatial analysis of the trophic interactions between two juvenile fish species and their preys along a coastal-estuarine gradient ArchiMer
Kopp, Dorothee; Le Bris, Herve; Grimaud, Lucille; Nerot, Caroline; Brind'Amour, Anik.
Coastal and estuarine systems provide nursery grounds for many marine fish species. Their productivity has been correlated with terrigeneous inputs entering the coastal-estuarine benthic food web, thereby favouring the establishment of fish juveniles. Studies in these ecosystems often describe the nursery as a single large habitat without verifying nor considering the presence of contiguous habitats. Our study aimed at identifying different habitats based on macrozoobenthic communities and morpho-sedimentary characteristics and assessing the trophic interactions between fish juveniles and their benthic preys within these habitats. It included 43 sampling sites covering 5 habitats in which we described taxonomically and quantitatively the invertebrates and...
Tipo: Text Palavras-chave: Stable isotopes; Gut content; Food web; Nursery ground; Solea solea; Trisopterus luscus.
Ano: 2013 URL: http://archimer.ifremer.fr/doc/00151/26226/24327.pdf
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