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应用生态学报 ›› 2018, Vol. 29 ›› Issue (9): 3078-3084.doi: 10.13287/j.1001-9332.201809.004

• 研究报告 • 上一篇    下一篇

2016年夏季长江口邻近海域浮游动物群落结构

蒋巧丽1, 许永久1*, 俞存根1, 张浩良1, 肖祎1, 唐逸铮1, 张亚洲2   

  1. 1浙江海洋大学水产学院, 浙江舟山 316022;
    2浙江省海洋水产研究所, 浙江舟山 316021
  • 收稿日期:2018-03-31 出版日期:2018-09-20 发布日期:2018-09-20
  • 通讯作者: E-mail: xuyongjiu@zjou.edu.cn
  • 作者简介:蒋巧丽, 女, 1997年生, 本科生, 海洋资源与环境专业. E-mail: 1796969025@qq.com
  • 基金资助:

    本文由2017浙江省大学生新苗人才计划项目(2017R411030)、国家海洋局海洋生态环境科学与工程重点实验室开放基金项目(MESE-2016-03)、浙江海洋大学科研启动基金项目(Q1519)、浙江海洋大学“海洋科学”省重中之重学科开放课题(2016206)资助.

Community structure of zooplankton in adjacent area of Changjiang Estuary, China in summer 2016.

JIANG Qiao-li1, XU Yong-jiu1*, YU Cun-gen1, ZHANG Hao-liang1, XIAO Yi1, TANG Yi-zheng1, ZHANG Ya-zhou2   

  1. 1College of Fishery, Zhejiang Ocean University, Zhoushan 316022, Zhejiang, China;
    2 Zhejiang Institute of Marine Fisheries, Zhoushan 316021, Zhejiang, China.
  • Received:2018-03-31 Online:2018-09-20 Published:2018-09-20
  • Supported by:

    This work was supported by 2017 New Talent College Student Plan in Zhejiang Province (2017R411030), the Open Foundation from Key Laboratory of Marine Environment Science and Engineering of State Oceanic Administration (MESE-2016-03), Startup Fund of Zhejiang Ocean University (Q1519) and Zhejiang Ocean University Open Foundation for ‘Marine Science’ Key Subject in Zhejiang Province (2016206).

摘要: 根据2016年8月长江口邻近海域27个站位的浮游动物样品数据,对长江口邻近海域的浮游动物群落结构和多样性进行分析,研究了浮游动物群落结构与环境因子的关系.结果表明: 该海区共鉴定出浮游动物93种,隶属于6门12大类群,另有浮游幼体及鱼卵仔鱼15种.其中,桡足类为绝对优势类群,共鉴定出48种,占44.4%;水母类为第二优势类群,共鉴定出12种,占11.1%.该海域出现的主要贡献类群为桡足类、海樽类、毛颚类、枝角类和水母类,平均丰度依次为273.9、115.0、67.1、63.6和61.1 ind·m-3,其中绝对优势类群为桡足类,贡献率占20.3%.根据环境因子聚类结果,将该海区分为冲淡水影响区和外海水团影响区.单因子相似性分析检验发现,两个区域群落结构差异显著(平均差异性为4.0 %).SIMPER分析发现,对差异性的贡献比例依次是桡足类20.3%、海樽类18.0%、枝角类14.1%、毛颚类13.4%和水母类11.8%.

Abstract: Based on the data of zooplankton samples from 27 stations in the offshore area of Changjiang Estuary in August 2016, we analyzed the community structure and diversity of zooplankton and examined the relationship between zooplankton community structure and environmental factors. A total of 108 species of zooplankton belonging to 12 groups in six phyla, together with 15 types of pelagic larvae and fish eggs were identified. The main groups were copepods, thaliacea, chaetognaths, cladocladus and medusae, with the average abundance being 273.9, 115.0, 67.1, 63.6 and 61.1 ind·m-3. The most dominant group of zooplankton was copepods (48 species), accounting for 44.4% of the total zooplankton abundance. Medusae ranked second with a total of 12 species, accounting for 11.1% of the total zooplankton abundance. Furthermore, the absolute dominant group was copepods, with the highest contribution to the zooplankton community (20.3%). According to the clustering results of environmental factors, the area could be divided into Changjiang diluted water and offshore water mass. The results of analysis of similarities showed that the difference of zooplankton community between the two regions was significant (the average diffe-rence was 4%), and the contribution to the difference was 20.3%, 18.0%, 14.1%, 13.4%, and 11.8% for copepod, thaliacea, cladocera, chaetognaths, and medusae, respectively.