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热带海洋学报 >

2016 , Vol. 35 >Issue 3: 79 - 86

DOI: https://doi.org/10.11978/2015096

海洋生物学

春季白沙湾浮游纤毛虫群落结构及其与环境因子的关系

  • 吴风霞 ,
  • 黄洪辉 ,
  • 黄建荣 ,
  • 刘华雪
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  • 1. 广东省渔业生态环境重点实验室, 农业部南海渔业资源开发利用重点实验室, 中国水产科学研究院南海水产研究所, 广东 广州 510300;
    2. 中山大学生命科学学院, 广东 广州 510275
吴风霞(1979—), 女, 山东省章丘市人, 助理研究员, 博士研究生, 从事渔业生态与环境研究。E-mail: wufxMC@126.com

收稿日期: 2015-07-20

  网络出版日期: 2016-05-27

基金资助

中央级公益性科研院所基本科研业务费专项资金项目(2014YD02)

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Spatial pattern of the planktonic ciliate community in spring in Baisha Bay, South China Sea, and its relationship with its environment

  • WU Fengxia ,
  • HUANG Honghui ,
  • HUANG Jianrong ,
  • LIU Huaxue
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  • 1. Key Laboratory of Marine Fishery Ecology Environment of Guangdong Province, Key Laboratory of South China Sea Fishery Resources Development and Utilization, Ministry of Agriculture; South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China;
    2. School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China

Received date: 2015-07-20

  Online published: 2016-05-27

Supported by

Special Scientific Research Funds for Central Non-profit Institutes, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences (2014YD02)

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摘要

根据2014年春季(4月)白沙湾海域3个功能区域(鱼类网箱养殖区、贝藻混养区、非养殖区) 13个站位生物和环境的调查资料, 对浮游纤毛虫的群落特征进行分析, 并且探讨了影响浮游纤毛虫群落变动的主要环境因素。结果表明: 共检出19种纤毛虫, 隶属于6目11属; 纤毛虫丰度范围为80~3740个•L-1, 平均丰度为995.4±123.1个•L-1, 以环毛目(Cyclotrichida)、急游目(Stombidiida)和砂壳目(Tintinnida)为主; 优势种包括红色中缢虫(Mesodinium rubrum)、锥形急游虫(Strombidium conicum)、百乐拟铃虫(Tintinnopsis beroidea)、球形急游虫(Strombidium globosaneum)、小拟铃虫(Tintinnopsis minuta)和锥形旋曳尾虫(Spirotontonia turbinata)。纤毛虫群落结构存在显著的空间差异, 种类数及丰度呈现鱼类网箱养殖区偏低, 而贝类混养区和对照区较高的特征。通过冗余分析(redundancy analysis, RDA)多元分析发现, 白沙湾浮游纤毛虫群落结构差异主要与水体营养盐水平和叶绿素a浓度有关。

关键词： 浮游纤毛虫; 白沙湾; 群落结构; 环境因子; 多元分析

本文引用格式

吴风霞 , 黄洪辉 , 黄建荣 , 刘华雪 . 春季白沙湾浮游纤毛虫群落结构及其与环境因子的关系[J]. 热带海洋学报, 2016 , 35(3) : 79 -86 . DOI: 10.11978/2015096

Abstract

Based on the samples collected in surface waters from three functional areas including 13 sites (cage fish culture area, oyster-algae mixed culture area and non-aquaculture area) in Baisha Bay in April 2014, species composition and abundance of planktonic ciliate were investigated. They were combined with environmental data to obtain spatial pattern of the ciliate community and its relationship with environment variables. A total of 19 species belonging to 11 genera and six orders were identified. The mean abundance of ciliate was 995.4±123.1 ind•L-1 (80~3740 ind•L-1), and Tintinnida, Stombidiida and Cyclotrichida were the most abundant in terms of both number and abundance. There were six dominant species (dominance Y≥0.02), including Mesodinium rubrum, Strombidium conicum, Tintinnopsis beroidea, Strombidium globosaneum, Tintinnopsis minuta, and Spirotontonia turbinata. Clear spatial distributions in terms of species composition and abundance were observed. Planktonic ciliate was more abundant and diverse in the oyster-algae mixed culture area and non-aquaculture area, but lowest abundance and species occurred in the cage fish culture area. Clustering analysis also indicated that the total samples could be separated based on spatial distribution. Redundancy analysis demonstrated that the nutrient level and Chlorophyll a concentration were the most important factors affecting the spatial pattern of planktonic ciliate community in Baisha Bay.

Key words： planktonic ciliate; Baisha Bay; community structure; environment variables; multivariate analysis

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