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《Marine Environmental Science》 2008-02
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Changes on community structure and population of phytoplankton in aqua-cultural area of Daya Bay 2003~2004

ZHANG Yu-yu1,2,L Song-hui2,3,QI Yu-zao2,3(1.College of Life Science,Xiamen University,Xiamen 361005,China.2.Research Center of Harmful Algal Bloom and Aquatic Environmental Science,Jinan University,Guangzhou 510632,China.3.College of Life Science,South China Normal University,Guangzhou 510631,China)  
The composition and seasonal succession in Aotou,an high frequent harmful algal bloom occurrent area in Daya Bay,the South China Sea,were investigated from Apr.2003 to Apr.2004.118 species in total,57 genera were recorded.Diatoms(84 taxa) were the largest group and accounted for 71.2%,followed by dinoflagellates(27 taxa).The dominant population in the area was species of Chaetoceros,and it accounted for 35.4% of the total phytoplankton.The model of quantitative variation was the two-peak type,which appeared in early summer and late autumn.The diversity indexes(H′) and evenness(J) of phytoplankton were 2.0 and 0.44,respectively.58 harmful or potentially harmful species were identified.Scrippsiella trochoidea was common HAB causative species,and caused bilateral red tide with Chattonella marina on Aug.2003.
【Fund】: 国家自然科学基金(30370115);; 广东省科技攻关项目(200113);; 广州市科技计划项目(2003z3-c7361)
【CateGory Index】: Q948.8
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