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Modelling the spatial heterogeneity of ecological processes in an intertidal estuarine bay: dynamic interactions between bivalves and phytoplankton ArchiMer
Grangere, Karine; Lefebvre, Sebastien; Bacher, Cedric; Cugier, Philippe; Menesguen, Alain.
Spatial patterns in ecological communities result from a combination of physical and biological factors. In an estuarine intertidal bay, spatial differences have been found in the structure of phytoplanktonic communities and in the biological performance of cultivated oysters. It has been hypothesised that trophic heterogeneity exists, although the mechanisms controlling it remain undefined. Spatial and temporal interactions in the structure of phytoplanktonic biomass and in the biological performance of cultivated oysters were highlighted in this estuarine intertidal bay using a 2-dimensional hydrodynamic model coupled to a nutrient-phytoplankton-zooplankton bivalve food web model. The coupled models allowed a reproduction in space and time of variations...
Tipo: Text Palavras-chave: Spatial heterogeneity; Hydrodynamics; Ecosystem model; Food supply; Bivalves; Dynamic energy budget model; Physiological status; Baie des Veys.
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00017/12854/9819.pdf
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