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学科主题: Ecology; Environmental Sciences; Marine & Freshwater Biology; Water Resources
题名: Spatial-temporal variability of total and size-fractionated phytoplankton biomass in the Yangtze River Estuary and adjacent East China Sea coastal waters, China
作者: Zhou, WH ; Yin, KD ; Long, AM ; Huang, H ; Huang, LM ; Zhu, DD
通讯作者: whzhou@scsio.ac.cn ; huanghui@scsio.ac.cn
关键词: chlorophyll a ; size fraction ; nutrients ; discharge
刊名: AQUATIC ECOSYSTEM HEALTH & MANAGEMENT
发表日期: 2012
卷: 15, 期:2, 页:200-209
部门归属: [Zhou, Weihua; Yin, Kedong; Long, Aimin; Huang, Hui; Huang, Liangmin] Chinese Acad Sci, Key Lab Marine Bioresources Sustainable Utilizat, State Key Lab Trop Oceanog, S China Sea Inst Oceanog, Guangzhou 510301, Guangdong, Peoples R China; [Zhou, Weihua; Yin, Kedong; Long, Aimin; Huang, Hui; Huang, Liangmin] Chinese Acad Sci, TMBRS Hainan, S China Sea Inst Oceanog, Guangzhou 510301, Guangdong, Peoples R China; [Yin, Kedong] Sun Yat Sen Univ, Sch Marine Sci, Guangzhou 510275, Guangdong, Peoples R China; [Zhu, Dedi] State Ocean Adm, Lab Marine Ecosyst & Biogeochem, Inst Oceonog 2, Hangzhou 310012, Zhejiang, Peoples R China
项目归属: LTO
摘要: The spatial and seasonal dynamics of total and size-fractionated phytoplankton biomass (chlorophyll-a) as well as physical and chemical factors in the Yangtze River Estuary and adjacent East China Sea coastal waters were investigated from April 2002 to February 2003. Average surface total and water column integrated chlorophyll a biomass showed a clear seasonal variation in response to the Yangtze River discharge, with the highest in summer (similar to 4 mg m(-3) and > 60 mg m(-2)), intermediate in spring and autumn (similar to 1 mg m(-3) and 26-28 mg m(-2)), and the lowest in winter (0.5 mg m(-3) and < 20 mg m(-2)). Summer maximum chlorophyll a concentrations (> 10 mg m(-3)) occurred at intermediate salinities (similar to 20-30) region beyond the front zone between 112.5 degrees E and 123 degrees E with sufficient nutrients replenishment for phytoplankton growth. Generally, spatial distribution of size-fractionated phytoplankton showed that phytoplankton biomass was dominated by the large size fraction (> 20 mu m) in the turbid eutrophic estuarine and near-shore waters, while the small-sized phytoplankton (< 5 mu m) were dominant in the offshore stations. Phosphate was the main limiting nutrient of phytoplankton biomass in river diluted water and most near-shore stations, while dissolved inorganic nitrogen became the potential limiting nutrient in some offshore stations, except for summer when phosphate limited almost all in the whole investigation region. Controlling the inputs of phosphate loading from the Yangtze River is one of the most effective strategies for reducing the increasing eutrophication and occurrences of harmful algal blooms in Yangtze River Estuary and adjacent East China Sea coastal waters.
语种: 英语
WOS记录号: WOS:000306323300013
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10245
Appears in Collections:热带海洋环境国家重点实验室(LTO)_期刊论文

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Recommended Citation:
Zhou, WH; Yin, KD; Long, AM; Huang, H; Huang, LM; Zhu, DD.Spatial-temporal variability of total and size-fractionated phytoplankton biomass in the Yangtze River Estuary and adjacent East China Sea coastal waters, China,AQUATIC ECOSYSTEM HEALTH & MANAGEMENT,2012,15(2):200-209
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