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Nutrient and chlorophyll a anomaly in red-tide periods of 2003-2008 in Sishili Bay, China
Hao Yanju1,2,3; Tang Danling1,2; Yu Long4; Xing Qianguo2
2011-05-01
发表期刊CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN0254-4059
卷号29期号:3页码:664-673
产权排序[Hao, YJ; Tang, DL] Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Trop Marine Environm Dynam LED, Res Ctr Remote Sensing & Marine Ecol Environm RSM, Guangzhou 510301, Guangdong, Peoples R China; [Hao, YJ; Tang, DL; Xing, QG] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China; [Hao, YJ] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China; [Yu, L] Monitoring & Forecasting Ctr Ocean Environm Yanta, Yantai 264003, Peoples R China
摘要Sishili Bay is the most important aquiculture and tourism area for the city of Yantai, China; however, red tides occurred frequently and have caused huge economic losses in this bay in recent years. To gain a better understanding of the local ecological environments in the bay, we conducted this research between 2003 and 2008 to analyze variations in nutrients and chlorophyll (chl-a) during high frequency red tide period (May to September). The results show that the chl-a concentration increased from 2.70 in 2003 to 7.26 mg/m(3) in 2008, while the concentration of total inorganic nitrogen (TIN) and silicate (SiO(3)-Si) increased lineally from 5.18 and 1.45 mu mol/L in 2003 to 18.57 and 9.52 mu mol/L in 2008, respectively, and the annual phosphate (PO(4)-P) varied between 0.15 and 0.46 mu mol/L. Special attention was given to a red tide in August 2007 occurred when water temperature was high and nutrient concentrations increased sharply because of a heavy rainfall. Overall, the results show the P limitation in Sishili Bay, and reveal that red tides were caused by eutrophication from terrestrial inputs and local warm weather, particularly during rainy periods. Therefore, to control red tide, greater efforts should be made to reduce sewage discharges into Sishili Bay, particularly during rainfall seasons.; Sishili Bay is the most important aquiculture and tourism area for the city of Yantai, China; however, red tides occurred frequently and have caused huge economic losses in this bay in recent years. To gain a better understanding of the local ecological environments in the bay, we conducted this research between 2003 and 2008 to analyze variations in nutrients and chlorophyll (chl-a) during high frequency red tide period (May to September). The results show that the chl-a concentration increased from 2.70 in 2003 to 7.26 mg/m(3) in 2008, while the concentration of total inorganic nitrogen (TIN) and silicate (SiO3-Si) increased lineally from 5.18 and 1.45 mu mol/L in 2003 to 18.57 and 9.52 mu mol/L in 2008, respectively, and the annual phosphate (PO4-P) varied between 0.15 and 0.46 mu mol/L. Special attention was given to a red tide in August 2007 occurred when water temperature was high and nutrient concentrations increased sharply because of a heavy rainfall. Overall, the results show the P limitation in Sishili Bay, and reveal that red tides were caused by eutrophication from terrestrial inputs and local warm weather, particularly during rainy periods. Therefore, to control red tide, greater efforts should be made to reduce sewage discharges into Sishili Bay, particularly during rainfall seasons.
通讯作者Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Trop Marine Environm Dynam LED, Res Ctr Remote Sensing & Marine Ecol Environm RSM, Guangzhou 510301, Guangdong, Peoples R China. lingzistdl@126.com
关键词Chl-a Tin Po4-p Red Tide Frequency Sishili Bay
学科领域Marine & Freshwater Biology ; Oceanography
项目资助者CAS/SAFEA[KZCX2-YW-T001, KZCX2-YW-213]; Chinese Academy of Sciences[KZCX2-YW-226]; National Natural Science Foundation of China[40976091, 31061160190]
收录类别SCI
关键词[WOS]HARMFUL ALGAL BLOOMS ; NORTH-SEA ; PHAEOCYSTIS BLOOMS ; PHYTOPLANKTON ; GROWTH ; EUTROPHICATION ; BIOMASS ; SUMMER ; SYSTEM ; ENVIRONMENTS
文章类型Article
语种英语
WOS研究方向Marine & Freshwater Biology ; Oceanography
WOS记录号WOS:000292558100021
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/5138
专题中科院烟台海岸带研究所知识产出
作者单位1.Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Trop Marine Environm Dynam LED, Res Ctr Remote Sensing & Marine Ecol Environm RSM, Guangzhou 510301, Guangdong, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
4.Monitoring & Forecasting Ctr Ocean Environm Yanta, Yantai 264003, Peoples R China
第一作者单位中国科学院烟台海岸带研究所
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Hao Yanju,Tang Danling,Yu Long,et al. Nutrient and chlorophyll a anomaly in red-tide periods of 2003-2008 in Sishili Bay, China[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2011,29(3):664-673.
APA Hao Yanju,Tang Danling,Yu Long,&Xing Qianguo.(2011).Nutrient and chlorophyll a anomaly in red-tide periods of 2003-2008 in Sishili Bay, China.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,29(3),664-673.
MLA Hao Yanju,et al."Nutrient and chlorophyll a anomaly in red-tide periods of 2003-2008 in Sishili Bay, China".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 29.3(2011):664-673.
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