IOCAS-IR  > 海洋生态与环境科学重点实验室
Ichthyoplankton assemblage structure of springs in the Yangtze Estuary revealed by biological and environmental visions
Zhang, Hui; Xian, Weiwei; Liu, Shude
2015-08-18
Source PublicationPEERJ
Volume3Issue:2015Pages:e1186
SubtypeArticle
AbstractThe 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.
KeywordIchthyoplankton Assemblage Structure Environment Inter-annual Variation Yangtze Estuary
DOI10.7717/peerj.1186
Indexed BySCI
Language英语
WOS IDWOS:000360846700008
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/50424
Collection海洋生态与环境科学重点实验室
AffiliationChinese Acad Sci, Key Lab Marine Ecol & Environm Sci, Inst Oceanol, Qingdao, Peoples R China
Recommended Citation
GB/T 7714
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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