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Modelling the effect of food depletion on scallop growth in Sungo Bay (China) ArchiMer
Bacher, Cedric; Grant, Jon; Hawkins, Anthony; Fang, Jianguang; Zhu, Mingyuan; Besnard, Melanie.
Sungo Bay (China) has a mean depth of 10 m, a total area of 140 km(2) and is occupied by several types of aquaculture, whilst opening to the ocean. The production of scallops (Chlamys farreri) cultured on long lines is estimated to exceed 50 000 tonnes (total weight) per year. Selection of sites for scallop growth and determination of suitable rearing densities have become important issues. In this study, we focused on the local scale (e.g. 1000 m) where rearing density, food concentration and hydrodynamics interact. We have developed a depletion model coupling a detailed model of C. farreri feeding and growth and a one-dimensional horizontal transport equation. The model was applied to assess the effect of some environmental parameters (e.g. food...
Tipo: Text Palavras-chave: Chlamys farreri; Transport equation; Rearing density; Energy budget.
Ano: 2003 URL:
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