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Diluted seawater promoted the green tide of Ulva prolifera (Chlorophyta, Ulvales)
Lin, A-Peng1,2; Wang, Chao1,2; Pan, Guang-Hua3; Song, Li-Yun3; Gao, Shan3; Xie, Xiu-Jun3; Wang, Zhi-Yuan3; Niu, Jian-Feng1; Wang, Guang-Ce1
2011-10-01
发表期刊PHYCOLOGICAL RESEARCH
ISSN1322-0829
卷号59期号:4页码:295-304
文章类型Article
摘要Ulva prolifera (Muller) J. Agardh is the main causative species of the 2008 Yellow Sea green tide incident. We investigated the influences of diluted seawater on the vegetative growth and reproductive cell formation of the alga. The thalli that were cultivated under low salinities (10% and 20%) and low pH values (pH around 7.0) showed obvious and steady biomass gain, while those cultivated under high salinities (40%) and relatively higher pH conditions (pH around 8.0) manifested significant biomass loss. The trend was, however, completely the opposite for reproductive cell formation and there were indications that enrichment, over very wide concentration ranges of both nitrogen and phosphate, could significantly promote vegetative growth. Results also indicated that relatively low salinity and low pH regimes boosted vegetative growth but were unfavorable for reproductive cell formation and vice versa. Based on these results, the possible origin and development mechanisms of the green tide event are discussed. Eutrophication in the Changjiang River estuary and adjacent sea areas, as well as extremely high freshwater inflows before, and during, the flood of 2007 - due to the full operation of large- scale water facilities in the area - may have both played an important role in the formation and development of the green tide event.; Ulva prolifera (Muller) J. Agardh is the main causative species of the 2008 Yellow Sea green tide incident. We investigated the influences of diluted seawater on the vegetative growth and reproductive cell formation of the alga. The thalli that were cultivated under low salinities (10% and 20%) and low pH values (pH around 7.0) showed obvious and steady biomass gain, while those cultivated under high salinities (40%) and relatively higher pH conditions (pH around 8.0) manifested significant biomass loss. The trend was, however, completely the opposite for reproductive cell formation and there were indications that enrichment, over very wide concentration ranges of both nitrogen and phosphate, could significantly promote vegetative growth. Results also indicated that relatively low salinity and low pH regimes boosted vegetative growth but were unfavorable for reproductive cell formation and vice versa. Based on these results, the possible origin and development mechanisms of the green tide event are discussed. Eutrophication in the Changjiang River estuary and adjacent sea areas, as well as extremely high freshwater inflows before, and during, the flood of 2007 - due to the full operation of large- scale water facilities in the area - may have both played an important role in the formation and development of the green tide event.
关键词Algal Drift Changjiang River Diluted Water Green Tide Ph Salinity
学科领域Marine & Freshwater Biology
DOI10.1111/j.1440-1835.2011.00629.x
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收录类别SCI
语种英语
WOS记录号WOS:000296028300009
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被引频次:19[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/337002/11839
专题实验海洋生物学重点实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Qingdao, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
3.Tianjin Univ Sci & Technol, Coll Marine Sci & Engn, Tianjin, Peoples R China
第一作者单位中国科学院海洋研究所
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Lin, A-Peng,Wang, Chao,Pan, Guang-Hua,et al. Diluted seawater promoted the green tide of Ulva prolifera (Chlorophyta, Ulvales)[J]. PHYCOLOGICAL RESEARCH,2011,59(4):295-304.
APA Lin, A-Peng.,Wang, Chao.,Pan, Guang-Hua.,Song, Li-Yun.,Gao, Shan.,...&Wang, Guang-Ce.(2011).Diluted seawater promoted the green tide of Ulva prolifera (Chlorophyta, Ulvales).PHYCOLOGICAL RESEARCH,59(4),295-304.
MLA Lin, A-Peng,et al."Diluted seawater promoted the green tide of Ulva prolifera (Chlorophyta, Ulvales)".PHYCOLOGICAL RESEARCH 59.4(2011):295-304.
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