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Water Quality of Ground Seawater and Trigger Elements for a Cochlodinium polykrikoides Red Tide
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 Title & Authors
Water Quality of Ground Seawater and Trigger Elements for a Cochlodinium polykrikoides Red Tide
Lee, Young-Sik; Kim, Yoon-Bin; Han, Hyung-Gyun;
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 Abstract
Ground seawater quality was investigated, and the algal growth potential (AGP) tests were performed along the Tongyeong coast to examine the inflow of materials, which is needed for the red tide species Cochlodinium polykrikoides to grow. The study was conducted to determine the mechanism for C. polykrikoidesred tides. Water temperature, salinity, pH, and dissolved oxygen (DO) ranged from 16.05 to , 18.20 to 32.11 psu, 6.00 to 7.61, and 3.41 to 7.91 mg/L (41.4-96.1%), respectively. No seasonal variation was observed in water temperature. The salinity, pH, and DO saturations at most stations were lower than those of coastal seawater at Tongyeong. The -N, -N, -P concentrations ranged from 0.43 to 16.00 , 1.50 to 132.38 , and 1.30 to 6.29 , respectively; the values at some stations were much higher than observed in Tongyeong coast seawater. Using seawater from station B, C. polykrikoides grew consistently, with a high growth rate, similar to the red tide in nature. This seawater appeared to contain materials needed by C. polykrikoides to grow. Therefore, C. polykrikoides red tides seem to occur wherever the ground sea water contains materials that are needed for its growth.
 Keywords
AGP test;C. polykrikoides;Ground seawater;Trigger elements;Water quality;
 Language
Korean
 Cited by
1.
무각 와편모조류 Akashiwo sanguinea의 수온, 염분 그리고 광 조건에 따른 생장반응과 그에 따른 종 천이의 이점,권형규;오석진;

해양환경안전학회지, 2014. vol.20. 1, pp.1-10 crossref(new window)
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