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学科主题: Environmental Sciences; Geography, Physical; Geosciences, Multidisciplinary
题名: The Relationship between the Skeletonema costatum Red Tide and Enviromnental Factors in Hongsha Bay of Sanya, South China Sea
作者: Li, CQ ; Zhu, BB ; Chen, H ; Liu, ZX ; Cui, BM ; Wu, JR ; Li, B ; Yu, HC ; Peng, M
通讯作者: mmpeng_2000@yahoo.com
关键词: Algal blooms ; monitoring ; diatoms ; environmental factors ; Skeletonema costatum ; Hongsha Bay ; South China Sea
刊名: JOURNAL OF COASTAL RESEARCH
发表日期: 2009-01-01
卷: 25, 期:3, 页:651-674
收录类别: sci
部门归属: [Li, Chunqiang; Zhu, Baibi; Liu, Zhixin; Cui, Baiming; Wu, Jingrui; Li, Bin; Yu, Haichuan; Peng, Ming] Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, State Key Lab Trop Corp Biotechnol, Haikou 571101, Hainan, Peoples R China; [Chen, Hong] S China Sea Inst Trop Marine Biol & Dis, Lingshui 572426, Hainan, Peoples R China
项目归属: 海洋生物
摘要: The red tide in Hongsha Bay caused by Skeletonema costatum (S. costatum) from April 27 to May 4, 2006, was monitored in this study. The dynamic variety of environmental factors, including chlorophyll a (chl a), temperature, salinity, pH, dissolved oxygen, chemical oxygen demand, nitrate, ammonium, nitrite, phosphate (PO43-), silicate, and iron (Fe), was observed and analyzed during the red tide in Hongsha Bay for the first time. The results indicated that the concentration of dissolved inorganic nitrogen was high (26.34 mu mol/L) in Hongsha Bay. Because of the heavy rainfall from April 13 to 15, a large input of nutrients surged into the bay, causing an increase in the concentration of various nutrients, especially PO43-,, which showed an obvious increase (from 0.72 to 1.45 mu mol/L). The abundant nutrients provided fundamental nutrient supply for the rapid proliferation of S. costatum. Three critical environmental factors, including water temperature, and PO43- and Fe concentration, played an important role in this red tide. Water temperature had a significant positive correlation with chl a. The water temperature shift was one of the critical environmental factors affecting the S. costatum red tide in Hongsha Bay. With the occurrence of the red tide, the concentration of PO43- rapidly decreased. Inorganic PO43- was rapidly depleted at the blooming stage, causing the red tide to gradually dissipate. Phosphate was the limiting factor of S. costatum proliferation in this red tide. Iron was also a factor. Salinity shift had little effect on the growth of S. costatum.
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/5394
Appears in Collections:海洋生物_期刊论文

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Recommended Citation:
Li, CQ; Zhu, BB; Chen, H; Liu, ZX; Cui, BM; Wu, JR; Li, B; Yu, HC; Peng, M.The Relationship between the Skeletonema costatum Red Tide and Enviromnental Factors in Hongsha Bay of Sanya, South China Sea,JOURNAL OF COASTAL RESEARCH,2009,25(3):651-674
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