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The dominant Ulva strain of the 2008 green algal bloom in the Yellow Sea was not detected in the coastal waters of Qingdao in the following winter
Liu, Feng1,2; Pang, Shao Jun1; Chopin, Thierry3; Xu, Na1,2; Shan, Ti Feng1; Gao, Su Qin1; Sun, Song1
2010-10-01
发表期刊JOURNAL OF APPLIED PHYCOLOGY
ISSN0921-8971
卷号22期号:5页码:531-540
文章类型Article
摘要The region of Qingdao, China, experienced the world's largest green tide from May to July 2008. More than one million tons of fresh algal biomass of the green alga Ulva prolifera was harvested, while more was suspected to have sunk to the bottom. The original source of this seaweed was suspected to be from the south as revealed by satellite images. The floating biomass drifted with the water current northward and flourished in nearshore waters around Qingdao. However, direct biological evidence for "seed" source is lacking. It is still unclear whether this alga could survive the Qingdao local coastal environment and pose future danger of potential blooming. Systematic and seasonal sampling of waters in the intertidal zone at six collection sites along the Qingdao coast was conducted from December 2008 to April 2009. Forty-eight water samples were analyzed. From these, nine different morphotypes of Ulva were grown in the laboratory under standard temperature and light regimes. Growth of Ulva was observed in all water samples. However, molecular phylogenetic analyses revealed that the dominant U. prolifera strain of the 2008 bloom was absent in all the water-derived cultures during the sampling period. These results provide evidence that the dominant bloom-forming alga was unlikely able to survive the coastal waters (the minimal surface water temperature in February is 2A degrees C) in winter conditions in Qingdao, even though all the sampling locations were heavily covered by this alga in June 2008.; The region of Qingdao, China, experienced the world's largest green tide from May to July 2008. More than one million tons of fresh algal biomass of the green alga Ulva prolifera was harvested, while more was suspected to have sunk to the bottom. The original source of this seaweed was suspected to be from the south as revealed by satellite images. The floating biomass drifted with the water current northward and flourished in nearshore waters around Qingdao. However, direct biological evidence for "seed" source is lacking. It is still unclear whether this alga could survive the Qingdao local coastal environment and pose future danger of potential blooming. Systematic and seasonal sampling of waters in the intertidal zone at six collection sites along the Qingdao coast was conducted from December 2008 to April 2009. Forty-eight water samples were analyzed. From these, nine different morphotypes of Ulva were grown in the laboratory under standard temperature and light regimes. Growth of Ulva was observed in all water samples. However, molecular phylogenetic analyses revealed that the dominant U. prolifera strain of the 2008 bloom was absent in all the water-derived cultures during the sampling period. These results provide evidence that the dominant bloom-forming alga was unlikely able to survive the coastal waters (the minimal surface water temperature in February is 2A degrees C) in winter conditions in Qingdao, even though all the sampling locations were heavily covered by this alga in June 2008.
关键词Ulva Prolifera Green Tides Internal Transcribed Spacer Rbcl Enteromorpha Phylogenetic Analyses
学科领域Biotechnology & Applied Microbiology ; Marine & Freshwater Biology
DOI10.1007/s10811-009-9489-7
URL查看原文
收录类别SCI
语种英语
WOS记录号WOS:000281673100001
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被引频次:43[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/5940
专题实验海洋生物学重点实验室
海洋生态与环境科学重点实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.Univ New Brunswick, St John, NB E2L 4L5, Canada
第一作者单位中国科学院海洋研究所
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Liu, Feng,Pang, Shao Jun,Chopin, Thierry,et al. The dominant Ulva strain of the 2008 green algal bloom in the Yellow Sea was not detected in the coastal waters of Qingdao in the following winter[J]. JOURNAL OF APPLIED PHYCOLOGY,2010,22(5):531-540.
APA Liu, Feng.,Pang, Shao Jun.,Chopin, Thierry.,Xu, Na.,Shan, Ti Feng.,...&Sun, Song.(2010).The dominant Ulva strain of the 2008 green algal bloom in the Yellow Sea was not detected in the coastal waters of Qingdao in the following winter.JOURNAL OF APPLIED PHYCOLOGY,22(5),531-540.
MLA Liu, Feng,et al."The dominant Ulva strain of the 2008 green algal bloom in the Yellow Sea was not detected in the coastal waters of Qingdao in the following winter".JOURNAL OF APPLIED PHYCOLOGY 22.5(2010):531-540.
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