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当前位置: 首页 > 文章 > 春季长江口及其邻近海域鱼类浮游生物群落特征 应用生态学报 2008,19 (10) 2284-2292
Position: Home > Articles > Characteristics of ichthyoplankton assemblages in Yangtze Estuary and adjacent waters in spring. Chinese Journal of Applied Ecology 2008,19 (10) 2284-2292

春季长江口及其邻近海域鱼类浮游生物群落特征

作  者：
刘淑德;线薇微;刘栋
单  位：
中国科学院海洋研究所海洋生态与环境重点实验室
关键词：
长江口;鱼类浮游生物;TWINSPAN;CCA
摘  要：
根据1999年5月和2001年5月长江口及其邻近海域的鱼类浮游生物和环境调查资料,应用双向指示种分析(TWINSPAN)和典范对应分析(CCA)方法探讨了长江口及其邻近海域鱼类浮游生物的群落特征.结果表明:采获的11 540个鱼类浮游生物隶属11目18科32种,其中凤鲚、鳀、六丝矛尾鰕虎鱼、白氏银汉鱼、松江鲈为优势种,占总丰度的92.49%.TWINSPAN分类将鱼类浮游生物群落划分为3个类群:1)以凤鲚为优势种的河口群组;2)以松江鲈和白氏银汉鱼为优势种的沿岸群组;3)以鳀和六丝矛尾鰕虎鱼为优势种的近海群组.CCA排序给出了各群组与环境因子的相互关系,表明影响这一海域鱼类浮游生物分布的主要环境因子为盐度、深度、溶解氧和悬浮物.
译  名：
Characteristics of ichthyoplankton assemblages in Yangtze Estuary and adjacent waters in spring.
作  者：
LIU Shu-de1,2,XIAN Wei-wei1,LIU Dong1 (1Key Laboratory of Marine Ecology and Environment Sciences,Institute of Oceanology,Chinese Academy of Sciences,Qingdao 266071,China;2Graduate University of Chinese Academy of Sciences,Beijing 100049,China)
关键词：
Yangtze Estuary;ichthyoplankton;TWINSPAN;CCA.
摘  要：
Based on the investigation data of ichthyoplankton assemblages and environmental factors in Yangtze Estuary and adjacent waters in May 1999 and 2001,the characteristics of ichthyoplankton assemblages in these areas in spring were studied by using TWINSPAN(two-way indicator species analysis) and CCA(canonical correspondence analysis).A total of 11 540 ichthyoplankton individuals were taxonomically identified,belonging to 11 orders,18 families and 32 species,of which,Coilia mystus,Engraulis japonicus,Chaeturichthys hexanema,Allanetta bleekeri,and Trachidermis fasciatus were the dominant species.The ichthyoplankton communities were classified into three assemblages by using TWINSPAN,i.e.,estuarine assemblage dominated by C.mystus,coastal assemblage dominated by A.bleekeri and T.fasciatus;and shelf assemblage featured by E.japonicus and C.hexanema.The CCA ordination of the interrelations among the three assemblages and their correlations to the environmental variables revealed that salinity,depth,dissolved oxygen,and total suspended particulate matter were the major factors affecting the ichthyoplankton assemblages in the study areas.

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