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Unexpected Dominance of the Subtropical Copepod Temora turbinata in the Temperate Changjiang River Estuary and Its Possible Causes
Zhang, Guang-Tao1; Sun, Song1; Xu, Zhao-Li2; Zhang, Qi-Long1
2010-07-01
发表期刊ZOOLOGICAL STUDIES
卷号49期号:4页码:492-503
文章类型Article
摘要Guang-Tao Zhang, Song Sun, Zhao-Li Xu, and Qi-Long Zhang (2010) Unexpected dominance of the subtropical copepod Temora turbinate in the temperate Changjiang River estuary and its possible causes. Zoological Studies 49(4): 492-503. The zooplankton community in the Changjiang (Yangtze) River estuary (CRE) was sampled quarterly in 2004, the 1st yr after the Three Gorges Reservoir was impounded to a water level of 135 m, in order to investigate possible changes in the community structure after freshwater control upstream at the dam. Zooplankton assemblages were consistent with previous studies in all seasons except summer. A tropical-subtropical copepod species, Temora turbinata, was found to be the most abundant zooplankton species in this area for the 1st time in Aug. 2004, while previously dominant species, such as Calanus sinicus, Euchaeta concinna, and Labidocera euchaeta, decreased in abundance and appearance frequency. From historical data, T. turbinata was never dominant in this area before 2003. It was present only in summer, in accordance with the northerly invasion of the Taiwan Warm Current (TWC). In this study, the range of the Changjiang River Diluted Water was found to have shrunk in summer, and the TWC occupied a larger area of both the bottom and surface layers, compared to the long-term average. Our results indicate that T. turbinata in the CRE area was recruited from the southern part of the East China Sea by the TWC. Its unexpected dominance suggests a northward extension of warm-water species resulting from global warming, although it appeared immediately following water control at the Three Gorges Reservoir. http://zoolstud.sinica.edu.tw/Journals/49.4/492.pdf
关键词Temora Turbinata Three Gorges Reservoir Taiwan Warm Current Global Warming Northward Extension
收录类别SCI
语种英语
WOS记录号WOS:000279764300006
引用统计
被引频次:10[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/337002/32711
专题海洋生态与环境科学重点实验室
胶州湾海洋生态系统国家野外研究站
作者单位1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
2.Chinese Acad Fisheries Sci, E China Sea Fisheries Res Inst, Shanghai 200090, Peoples R China
第一作者单位中国科学院海洋研究所
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Zhang, Guang-Tao,Sun, Song,Xu, Zhao-Li,et al. Unexpected Dominance of the Subtropical Copepod Temora turbinata in the Temperate Changjiang River Estuary and Its Possible Causes[J]. ZOOLOGICAL STUDIES,2010,49(4):492-503.
APA Zhang, Guang-Tao,Sun, Song,Xu, Zhao-Li,&Zhang, Qi-Long.(2010).Unexpected Dominance of the Subtropical Copepod Temora turbinata in the Temperate Changjiang River Estuary and Its Possible Causes.ZOOLOGICAL STUDIES,49(4),492-503.
MLA Zhang, Guang-Tao,et al."Unexpected Dominance of the Subtropical Copepod Temora turbinata in the Temperate Changjiang River Estuary and Its Possible Causes".ZOOLOGICAL STUDIES 49.4(2010):492-503.
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