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Title: A simulation model of carrying capacity for mussel culture in a Norwegian fjord: role of induced upwelling
Authors: Filgueira, Ramón, Grant, Jon, Strand, Oivind, Asplin, Lars, Aure, Jan
Keywords: Ecosystem model
Ecosystem management
Shellfish aquaculture
Carrying capacity
Phytoplankton
Fjord
Issue Date: 2010
Publisher: Elsevier
Abstract: Shellfish carryingcapacity is determined by the interaction of cultured species with the ecosystem, principally constrained by environmental characteristics, especially food availability. A recent experiment carried out in Lysefjord (SW Norway) has shown that induced upwelling of nutrient-rich deeper water stimulated phytoplankton growth, potentially increasing the carryingcapacity for mussel cultivation. With the aim of assisting in development of sustainable musselculture in Lysefjord, an object-oriented model of aquaculture–environment interactions and musselcarryingcapacity was constructed. A multiple box ecosystem model was developed within the visual simulation environment of Simile software allowing explicit coupling between boxes, which represent regions of the fjord. Once the box model was developed and calibrated, subsequent application of PEST (Parameter ESTimation) allowed optimization of different parameters of the model in order to manage mussel production according to carryingcapacity criteria. The Simile model and the simultaneous application of PEST allowed several scenarios taking into account different stocking densities, upwelling alternatives, and the creation of new cultivation areas
Description: 8 páginas, 2 tablas, 6 figuras
Publisher version (URL): http://dx.doi.org/10.1016/j.aquaculture.2010.08.005
URI: http://hdl.handle.net/10261/48399
ISSN: 0044-8486
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Citation: Aquaculture 308(1-2): 20-27 (2010)
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