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Changjiang nutrient distribution and transportation and their impacts on the estuary
Liang, Cui1,2; Xian, Weiwei1,2
2018-08-01
发表期刊CONTINENTAL SHELF RESEARCH
ISSN0278-4343
卷号165页码:137-145
通讯作者Xian, Weiwei(wwxian@qdio.ac.cn)
摘要Two investigations of the Changjiang River mainstream and forty-two cruise surveys of the estuary were conducted to determine the distribution of the dissolved inorganic nitrogen (DIN), phosphorus (DIP), and silicon (DSi) contents in the Changjiang, as well as the long-term nutrient transportation trends and impacts on the estuary. The N and P contents in the Changjiang were low in the Jinshajiang section, and then dramatically increased because of intensive anthropogenic activities and convergence of high nutrients tributaries. The DSi was distributed evenly along the Changjiang River, except that low values were observed in the Three Gorges Dam (TGD) section. Since the 1980s, the transportation of nitrate (NO3-N) and DIP nutrients by the Changjiang has exhibited increasing trends. However, DSi transportation did not change significantly, although a decreasing trend in DSi was observed from 2004 to 2010. The nutrients transported by the Changjiang were significantly correlated with the nutrients observed in the estuary, and increased amounts of NO3-N and DIP and ratios of NO3-N:DIP and NO3-N:DSi have been observed in the estuary since the 1980s. The nutrients enrichment and altered ratios have had important impacts on the estuary ecosystem.
关键词Changjiang River Nutrient Nutrient ratio River transport Changjiang River estuary Eutrophication
DOI10.1016/j.csr.2018.05.001
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[U1406404] ; National Natural Science Foundation of China[41146138] ; National Natural Science Foundation of China[31272663] ; Program of State Council Three Gorges Project Construction Committee[JJ 2012-2013] ; National Natural Science Foundation of China[U1406404] ; National Natural Science Foundation of China[41146138] ; National Natural Science Foundation of China[31272663] ; Program of State Council Three Gorges Project Construction Committee[JJ 2012-2013]
WOS研究方向Oceanography
WOS类目Oceanography
WOS记录号WOS:000442977800012
出版者PERGAMON-ELSEVIER SCIENCE LTD
引用统计
被引频次:31[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/337002/157545
专题海洋生态与环境科学重点实验室
通讯作者Xian, Weiwei
作者单位1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266237, Peoples R China
第一作者单位海洋生态与环境科学重点实验室
通讯作者单位海洋生态与环境科学重点实验室
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Liang, Cui,Xian, Weiwei. Changjiang nutrient distribution and transportation and their impacts on the estuary[J]. CONTINENTAL SHELF RESEARCH,2018,165:137-145.
APA Liang, Cui,&Xian, Weiwei.(2018).Changjiang nutrient distribution and transportation and their impacts on the estuary.CONTINENTAL SHELF RESEARCH,165,137-145.
MLA Liang, Cui,et al."Changjiang nutrient distribution and transportation and their impacts on the estuary".CONTINENTAL SHELF RESEARCH 165(2018):137-145.
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