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http://dx.doi.org/10.9710/kjm.2013.29.4.273

Effect of Environment Factors on Growth and Mortality of Cupped Oyster, Crassostrea gigas  

Park, Sang-Woo (Department of ocean sciences, Inha University)
Kim, Yong (Department of ocean sciences, Inha University)
Kim, Ji-Hye (Department of ocean sciences, Inha University)
Chung, Su-Whan (Department of ocean sciences, Inha University)
Han, Kyung-Nam (Department of ocean sciences, Inha University)
Publication Information
The Korean Journal of Malacology / v.29, no.4, 2013 , pp. 273-281 More about this Journal
Abstract
In order to evaluate how the effects of aquacultural environment, such as temperature, salinity, DO, SS, Chlorophyll-a, COD and nutritive salts on Cupped oysters, an investigational study was conducted between September to December of 2011. During the study, different intermediate cage farms on the surface of the sea were used to culture and compare the growth and survival rate of the Cupped oysters in different fishing environments. The different intermediate cage farms used were Wonsando-ri, Chang-ri, and Pado-ri. In January of 2012, these oysters were transplanted to a horizontal net farm in a mudflat until July of that year. The adaptation rates of the Cupped oysters were tested at differential exposure times at varying intertidal periods. Wonsando-ri showed the highest water temperature and Chlorophyll-a levels, while the salinity was found to be within range of stable conditions among all three intermediate cage farms. Once the Cupped oysters were at the horizontal net farm, the growth was measured at distinct tidal exposure time of 1, 3, and 5 hours, whereby the growth rate was highest at 3, 1, and 5 hours, respectively. In addition, the oysters cultivated in intermediate cage farms had longer shell lengths compared to shell heights, while oysters cultured in the horizontal net farm had larger shell heights than shell lengths.
Keywords
Crassostrea gigas; Intermediate culture; Off-bottom culture; Environmental factor; Transplanted;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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