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This paper describes the development and application of an integrated framework for determination of sustainable carrying capacity in shellfish growing areas. This framework combines field data, experimental results and various types of models, ranging from individual shellfish growth models to broad-scale ecosystem models. The process by which we have integrated and coupled the various types of models is designed to capture the essential signal at each simulation scale, whilst allowing multi-year runs which provide results on cultivation of commercial species, nutrient and chlorophyll cycling, and other outputs of interest to decision-makers. The complete modelling framework enables integrated analyses of animal–environment interrelations affecting overall production at system-scales, according to different temporal and spatial scenarios, accounting for conservation aspects such as the presence of …