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大亚湾桡足类的生态学研究
引用本文:廖秀丽,李纯厚,杜飞雁,林钦,贾晓平.大亚湾桡足类的生态学研究[J].南方水产,2006,2(4):46-53.
作者姓名:廖秀丽  李纯厚  杜飞雁  林钦  贾晓平
作者单位:中国水产科学研究院南海水产研究所,广东,广州,510300
基金项目:南海石化工程施工活动对海域生态环境影响监测与评价(C6GFSVCSPC0295)
摘    要:根据2003年12月~2004年9月对纬度22.617°以北的大亚湾海域进行4个航次海域生态环境监测的资料,对大亚湾浮游桡足类的种类组成、生态类群、数量的季节变化和平面分布进行了分析。结果表明,所记录的54种浮游桡足类中,以红纺锤水蚤、亚强真哲水蚤、微刺哲水蚤和锥形宽水蚤的数量最丰富。桡足类种类数和丰度均以夏季最高,春季最低。通过这次调查,得出以下结论:大亚湾桡足类种类较多,是浮游动物第一大类群,但数量上次于毛颚类和枝角类;夏、秋2季是桡足类数量的高峰期,都以红纺锤水蚤占绝对优势;该次调查中大亚湾出现的浮游桡足类分属热带大洋类群、近岸低盐类群和广布类群,种类组成属印度西太平洋热带边缘区系。

关 键 词:浮游桡足类  种类组成  丰度  平面分布
文章编号:1673-2227-(2006)04-0046-08
修稿时间:2006年3月14日

Ecological study on Copepods in Daya Bay
LIAO Xiuli,LI Chunhou,DU Feiyan,LIN Qin,JIA Xiaoping.Ecological study on Copepods in Daya Bay[J].South China Fisheries Science,2006,2(4):46-53.
Authors:LIAO Xiuli  LI Chunhou  DU Feiyan  LIN Qin  JIA Xiaoping
Abstract:Based on the data acquisitioned in the 4 times marine habitat monitorings carried out from December 2003 to September 2004 in Daya Bay, the community composition and ecological groups of planktonic Copepods as well as its abundance distribution and seasonal changes in the sea were studies. Among 54 species identified, Acartia erythraea, Eucalanus subcrassus, Canthocalanus pauper and Temora turbinate were dominant ones in the survey region. The species and abundance of Copepods in the area were highest in summer and lowest in spring. Through this survey we could got such conclusion. Among zooplankton, the species of Copepods was the most, but its abundance was fewer than that of Chaetognatha and Cladocera. The abundance fastigium of Copepods appeared in Summer and Autumn, and Acartia erythraea was the utter dominant specie. The Copepods could be divided into three ecological groups such as high temperature and high salinity group, neritic low salinity group and eurythermy and eurysalinity group. The fauna of planktonic Copepods in Daya Bay belong to Indo-West-Pacific-tropic-fringe Region.
Keywords:planktonic Copepods  species composition  abundance  horizontal distribution
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