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http://dx.doi.org/10.5657/kfas.2002.35.4.395

Estimating the Carrying Capacity of a Coastal Bay for Oyster Culture -I . Estimating a Food Supply to Oysters Using an Eco-hydrodynamic Model in Geoie-Hansan Bay-  

Park Jong Soo (Marine Environment Management Division, National Fisheries Research In Development Institute)
Kim Hyung Chul (Marine Environment Management Division, National Fisheries Research In Development Institute)
Choi Woo Jeung (Marine Environment Management Division, National Fisheries Research In Development Institute)
Lee Won Chan (Marine Environment Management Division, National Fisheries Research In Development Institute)
Park Chung Kil (Department of Environmental Engineering, Pukyong National University)
Publication Information
Korean Journal of Fisheries and Aquatic Sciences / v.35, no.4, 2002 , pp. 395-407 More about this Journal
Abstract
A 3D hydrodynamic-ecological coupled model was applied to estimate a food supply to oysters in Geoje-Hansan Bay where is one of the oyster culturing sites in Korea, In this study, the primary productivity (PP) was adopted as an index of food supply, and the spatial patterns of average chlorophyll a concentration during a culturing seasons from September to May of the following year were simulated by the model, The numerical result showed that PP was high in the inner part of the bay and the adjacent areas of Hwado island, but low in the outer. This result indicates that PP is essentially influenced by anthropogenic nutrient loadings in the system. The model was calibrated using the field data in May which is non culturing season of oysters and a simulated phytoplankton biomass agreed fairly well with the observed data ($R^{2}=0.70$, $RE=10.3\%$). The computed food supply varied from 0.19 to $1.27\;gC/m^{2}/day$ with a mean value of $0.62 gC/m^{2}/day$ from September to May. The highest value was showed in May ($1.27 gC/m^{2}/day$) and the lowest was in February ($0.19 gC/m^{2}/day$).
Keywords
Hydrodynamic-ecological model; Food supply; Oysters; Primary productivity (PP), Chlorophyll a; Geoje-Hansan Bay;
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