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ISSN : 1225-3480
This study was conducted to measured the survival rate of Crassostrea gigas according to the salinity when thewater temperature is high. In laboratory, the mortality test was performed on the C. gigas, we conductedexperiments at water temperature 20, 25, and 30℃, salinity was tested at intervals 5 psu from 0 to 35 psu. At 20℃, mortality was only seen at low salinity below 5 psu, on the other hand, above 25℃, the mortality was 100% at5 psu, and it was all survived at the above 30 psu. However, at a water temperature of 30℃ or higher, allindividuals died regardless of the concentrations of salinity. However, as a result of measuring the clearance rate,it was found that the feeding activity was performed only at 30 psu and 35 psu at 20℃ and 25℃, respectively. Andat 30℃, it was found that feeding activity was not performed at all concentrations of salinity. It was confirmed thatexposure to low-salt water during high water temperature affects the feeding and survival of C. gigas.
Clyde, L. and Machkenzie, J.R.C.L.M. (2007) Causes underlying the historical decline in Eastern oyster (Crassostrea virginia Gmelin, 1791) landings. Journal of Shellfish Research, 26: 927–938.
Cotter, E., Malham, S.K., O'Keeffe, S., Lynch, S.A., Latchford J.W., King, J.W., Beaumont, A.R. and Culloty, S.C. (2010) Summer mortality of the Pacific oyster, Crassostrea gigas, in the Irish Sea: The influence of growth, biochemistry and gametogenesis. Aquaculture, 303: 8–21.
Coughlan, J. (1969). The estimation of filtering rate from the clearance of suspensions. Marine Biology, 2:356-358.
Dickinson, G.H., Ivanina, A.V., Matoo, O.B., Portner, H.O., Lannig, G., Bock, C., Beniash, E. and Sokolova, I.M. (2012) Interactive effects of salinity and elevated CO2 levels on juvenile eastern oysters, Crassostrea virginica. J. Exp. Biol., 215: 29–43.
Du J., Park, K, Jensen, C, Dellapenna, T.M., Zhang, W.G. and Shi, Y. (2021) Massive oyster kill in Galveston Bay caused by prolonged low-salinity exposure after Hurricane Harvey. Science of the Total Environment, 774: 145-132.
Heilmayer, O., Digialleonardo, J., Qian, L. and Roesijadi, G. (2008) Stress tolerance of a subtropical Crassostrea virginica population to the combined effects of temperature and salinity. Estuar. Coast. Shelf Sci., 79: 179–185.
La Peyre, M.K., Eberline, B.S., Soniat, T.M. and La Peyre, J.F. (2013) Differences in extreme low salinity timing and duration differentially affect eastern oyster (Crassostrea virginica) size class growth and mortality in Breton Sound, LA. Estuar. Coast. Shelf Sci., 135: 146–157.
Lannig, G., Flores, J.F. and Sokolova, I.M. (2006)Temperature-dependent stress response in oysters, Crassostrea virginica: pollution reduces temperature tolerance in oysters. Aquat. Toxicol., 79: 278–287.
Lee, S., Park, C., Lee, D. and Lee, J. (2014) Effects of Freshwater Discharge on Plankton in Cheonsu Bay, Korea During the Rainy Season. 「The Sea」Journal of the Korean Society of Oceanography, 19(1): 41-52. (in Korean)
Lee, C.L. and Jeon, B.I. (2010) Comparison of fish fauna in Lake Ganwol and Lake Bunam watersheds. Korean J. Limnol., 43(2): 175-182. (in Korean)
Lenihan, H.S., Peterson, C.H., Byers, J.E., Grabowski, J.H., Thayer, G.W. and Colby, D.R. (2001) Cascading of habitat degradation: oyster reefs invaded by refugee fishes escaping stress. Ecol. Appl., 11: 764–782.
Levinton, J., Doall, M., Ralston, D., Starke, A. and Allam, B. (2011) Climate change, precipitation and impacts on an estuarine refuge from disease. PLoS One., 6(4): e18849.
Maoxiao, P., Xiaojun, L., Donghong, N., Bo, Y., Tianyi, L., Zhiguo, D. and Jiale, L. (2019) Survival, growth and physiology of marine bivalve (Sinonovacula constricta) in long-term low-salt culture. Sci. Rep., 9:2819.
Newell, R.I.E. and Jordan, S.J. (1983) Preferential ingestion of organicmaterial by the American oyster Crassostrea virginica. Mar. Ecol. Prog. Ser., 13: 47–53.
Pollack, J.B., Kim, H.-C., Morgan, E.K. and Montagna, P.A. (2011) Role of flood disturbance in natural oyster (Crassostrea virginica) population maintenance in an estuary in South Texas, USA. Estuar. Coasts, 34(1): 187–197.
Rahman, M.S. and Rahman, M.S. (2021) Effects of elevated temperature on prooxidant-antioxidant homeostasis and redox status in the American oyster: Signaling pathways of cellular apoptosis during heat stress. Environmental Research (in press)
Samain, J.-F., Dégremont, L., Soletchnik, P., Haure, J., Bédier, E., Ropert, M., Moal, J., Huvet, A., Bacca, H., Van Wormhoudt, A., Delaporte, M., Costil, K. Pouvreau, S., Lambert, C., Boulo, V., Soudant, P., Nicolas, J.L., Le Roux, F., Renault. T., Gagnaire, B., Geret, F., Boutet, I., Burgeot, T. and Boudry, P. (2007) Genetically based resistance to summer mortality in the Pacific oyster (Crassostrea gigas)and its relationship with physiological, immunological characteristics and infection processes. Aquaculture, 268: 227–243.
Seo, J.Y., Kim, J.H. and Choi, J.W. (2018) A comparative study on the ecological characters of Corbicula japonica populations inhabiting at the subtidal estuary of the Seomjin River and the intertidal Eulsuk sand flat of the Nakdong River, Korea. Korean J. Malacol., 34(3): 135-146. (in Korean)
Volety, A., Savarese, S., Tolley, S.G., Arnold, W.S., Sime, P., Goodman, P., Chamberlain, R.H. and Doering, P.H. (2009) Eastern oysters (Crassostrea virginica) as an indicator for restoration of Everglades ecosystems. Ecol. Indic., 9: S120–S136.
Wang H., Yang B., Li X., Li Q. and Liu S. (2021)Screening of bacterial pathogens associated with mass summer mortality of the Pacific oyster, Crassostrea gigas, in China. Aquaculture Reports, 20:100672
Wetz, M.S. and Yoskowitz, D.W. (2013) An ‘extreme’future for estuaries? Effects of extreme climatic events on estuarine water quality and ecology. Mar. Pollut. Bull., 69: 7–18.
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