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	Provedor de dados ArchiMer (2) Autor Bouma, Tjeerd J. (1) Bowman, J (1) Cathalot, Cecile (1) Garon, Sandrine (1) Gillis, Lucy G. (1) Guezennec, Jean (1) Herman, Peter M. (1) Nichols, C (1) Raguenes, Gerard (1) Ziegler, Alan D. (1) Mais... Palavra-chave Particulate organic material (2) Antarctic marine bacteria (1) Buffering (1) Exopolysaccharides (1) Mangrove forests (1) Nitrogen (1) Outwelling (1) Pseudoalteromonas spp. (1) Sea ice (1) Seagrass beds (1) Mais... Tipo do documento Text (2) Ano 2015 (1) 2004 (1) País France (2) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Particulate Matter in Mangrove Forests and Seagrass Beds as a Nitrogen Source in Tropical Coastal Ecosystems ArchiMer Gillis, Lucy G.; Bouma, Tjeerd J.; Cathalot, Cecile; Ziegler, Alan D.; Herman, Peter M.. We show in laboratory and field investigations that in the short-term seagrasses obtain most of their required nitrogen from the degradation of seagrass leaves, rather than degradation of leaves exported from adjacent mangroves. Mangrove forests at our Thailand site retain the majority of their nutrients, and therefore potentially buffer seagrasses from nutrients. Tipo: Text Palavras-chave: Buffering; Mangrove forests; Nitrogen; Outwelling; Particulate organic material; Seagrass beds. Ano: 2015 URL: http://archimer.ifremer.fr/doc/00266/37731/42021.pdf Production of exopolysaccharides by Antarctic marine bacterial isolates ArchiMer Nichols, C; Garon, Sandrine; Bowman, J; Raguenes, Gerard; Guezennec, Jean. Aims: This study was undertaken to examine and characterize Antarctic marine bacterial isolates and the exopolysaccharides (EPS) they produce in laboratory culture. Methods and Results: Two EPS-producing bacterial strains CAM025 and CAM036 were isolated from particulate material sampled from seawater and sea ice in the southern ocean. Analyses of 16S rDNA sequences placed these isolates in the genus Pseudoalteromonas. In batch culture, both strains produced EPS. The yield of EPS produced by CAM025 was 30-fold higher at -2 and 10degreesC than at 20degreesC. Crude chemical analyses showed that these EPS were composed primarily of neutral sugars and uronic acids with sulphates. Gas chromatographic analysis of monosaccharides confirmed these gross... Tipo: Text Palavras-chave: Sea ice; Pseudoalteromonas spp.; Particulate organic material; Exopolysaccharides; Antarctic marine bacteria. Ano: 2004 URL: https://archimer.ifremer.fr/doc/2004/publication-629.pdf Registros recuperados: 2 Primeira ... 1 ... Última

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