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Ichthyoplankton assemblage structure of springs in the Yangtze Estuary revealed by biological and environmental visions
Zhang, Hui; Xian, Weiwei; Liu, Shude
2015-08-18
发表期刊PEERJ
卷号3期号:2015页码:e1186
文章类型Article
摘要The ichthyoplankton assemblage structure in the Yangtze Estuary was analyzed based on four springs in 1999, 2001, 2004 and 2007 in order to provide detailed characterizations of the ichthyoplankton assemblage in springs, examine the long-term dynamics of spring ichthyoplankton assemblages, and evaluate the influence of environmental factors on the spatial distribution and inter-annual variations of ichthyoplankton assemblages associated with the Yangtze Estuary. Forty-two ichthyoplankton species belonging to 23 families were collected. Engraulidae was the most abundant family, including six species and comprising 67.91% of the total catch. Only four species (Coilia mystus, Engraulis japonicus, Trachidermis fasciatus and Allanetta bleekeri) could be considered dominant, accounting for 88.70% of total abundance. The structure of the ichthyoplankton spring assemblage persisted on an annual basis, with the dominant species reappearing consistently even though their abundance fluctuated from year to year. This inter-annual variation probably reflects variable environmental conditions influenced by jellyfish blooms, declining river flow, and overfishing. Canonical correspondence analysis indicated aspatial structure of the ichthyoplankton assemblage in three areas: (1) an inner assemblage dominated by C. mystus; (2) a central assemblage dominated by A. bleekeri and T. fasciatus; and (3) a shelf assemblage featuring E. japonicus. The observed ichthyoplankton assemblage structure appears to be strongly influenced by depth, salinity and suspended particulate matter gradients.
关键词Ichthyoplankton Assemblage Structure Environment Inter-annual Variation Yangtze Estuary
DOI10.7717/peerj.1186
收录类别SCI
语种英语
WOS记录号WOS:000360846700008
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被引频次:1[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/337002/50424
专题海洋生态与环境科学重点实验室
作者单位Chinese Acad Sci, Key Lab Marine Ecol & Environm Sci, Inst Oceanol, Qingdao, Peoples R China
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Zhang, Hui,Xian, Weiwei,Liu, Shude. Ichthyoplankton assemblage structure of springs in the Yangtze Estuary revealed by biological and environmental visions[J]. PEERJ,2015,3(2015):e1186.
APA Zhang, Hui,Xian, Weiwei,&Liu, Shude.(2015).Ichthyoplankton assemblage structure of springs in the Yangtze Estuary revealed by biological and environmental visions.PEERJ,3(2015),e1186.
MLA Zhang, Hui,et al."Ichthyoplankton assemblage structure of springs in the Yangtze Estuary revealed by biological and environmental visions".PEERJ 3.2015(2015):e1186.
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