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Journal of the Korean Society for Environmental Analysis 2011;14(4):192-197.
Seasonal Variations in Water Temperature and Salinity and Phytoplankton Abundance in Terms of Oyster and Squirt Fisheries in the East Sea
Abstract
Water temperature, salinity, transparency and phytoplankton in the eastern Korean coastal waters in May,August and October during the period of 2007-2010 were determinded. 12 offshore sites; Gangneung, Donghae,Samcheok, Imwon, Jubyun, Hupo, Chuksan, Ganggu, Wolpo, Pohang, Guryongpo and Gampo. Water temperature in the sea surface varied from 14℃ to 16℃, 18℃ to 25℃, 22℃ to 23℃ in May, August and October,but bottom water temperature had a significant fluctuation at different regions and each year. Unlike water temperature, salinity did not show significantly fluctuations. The temporal variations of the transparency did not show a great fluctuation. Chaetoceros spp., Leptocylindrus danicus and Pseudonitzschia pungens were most abundance phytoplankton species in the eastern coastal waters.
Key Words: East Sea, fluctuation, water temperature, bottom water, phytoplankton
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