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Effect of Environment Factors on Growth and Mortality of Cupped Oyster, Crassostrea gigas
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  • Journal title : The Korean Journal of Malacology
  • Volume 29, Issue 4,  2013, pp.273-281
  • Publisher : The Malacological Society of Korea
  • DOI : 10.9710/kjm.2013.29.4.273
 Title & Authors
Effect of Environment Factors on Growth and Mortality of Cupped Oyster, Crassostrea gigas
Park, Sang-Woo; Kim, Yong; Kim, Ji-Hye; Chung, Su-Whan; Han, Kyung-Nam;
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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.
Crassostrea gigas;Intermediate culture;Off-bottom culture;Environmental factor;Transplanted;
 Cited by
고창 갯벌에서 중국산 및 충남산 바지락의 성장, 비만도 및 폐사 특성 비교,안현미;기훈종;정희도;이희중;한형균;박광재;송재희;

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