海洋生物学

夏季北部湾九种经济鱼类的食性类型及营养生态位初步研究

  • 杨璐 ,
  • 曹文清 ,
  • 林元烧 ,
  • 陈颖涵 ,
  • 林昭进 ,
  • 王雪辉
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  • 1. 厦门大学海洋与地球学院, 福建 厦门 361005; 2. 厦门大学海洋生物多样性与全球变化实验室, 福建 厦门 361005; 3. 中国水产科学研究院南海水产研究所, 广东 广州 510300
杨璐(1989—), 女, 辽宁省鞍山市人, 硕士, 主要从事海洋浮游生物生理生态学研究。E-mail: yanglu@stu.xmu.edu.cn

收稿日期: 2014-11-18

  修回日期: 2015-10-16

  网络出版日期: 2016-02-29

基金资助

国家海洋公益项目(201005012)

Preliminary study on feeding habits and trophic niche of nine economic fish species in Beibu Gulf in summer

  • YANG Lu ,
  • CAO Wenqing ,
  • LIN Yuanshao ,
  • CHEN Yinghan ,
  • LIN Zhaojin ,
  • WANG Xuehui
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  • 1. College of Ocean and Earth Sciences, Xiamen University, Xiamen 361005, China; 2. Laboratory of Marine Biodiversity and Global Change (MBiGC), Xiamen University, Xiamen 361005, China; 3. South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China;

Received date: 2014-11-18

  Revised date: 2015-10-16

  Online published: 2016-02-29

Supported by

National Marine Public Welfare Project (201005012)

摘要

应用Shannon-Wiener指数、Levins指数和均匀度指数, 分析了北部湾2012年7月9种个体数量占优势的经济鱼类的食物组成和食性类型, 并对其营养生态位进行了初步研究。研究表明, 这9种经济鱼类可划分为3种食性类型: 日本发光鲷Acropoma japonicum、日本竹筴鱼Trachurus japonicus、蓝圆鲹Decapterus maruadsi和六指多指马鲅Polydactylus sextarius为浮游生物食性, 主要以桡足类为食; 二长棘犁齿鲷Evynnis cardinalis、日本鲱鲤Upeneus japonicus和刺鲳Psenopsis anomala为底栖生物食性, 主要以长尾类为食; 多齿蛇鲻Saurida tumbil和白姑鱼Pennahia argentata为游泳动物食性, 以鱼类饵料占较大优势。9种鱼中, 白姑鱼的营养生态位宽度值最高, 多齿蛇鲻的营养生态位宽度值最低。夏季北部湾这9种经济鱼类的营养生态位宽度与其摄食习性和饵料基础密切相关。

本文引用格式

杨璐 , 曹文清 , 林元烧 , 陈颖涵 , 林昭进 , 王雪辉 . 夏季北部湾九种经济鱼类的食性类型及营养生态位初步研究[J]. 热带海洋学报, 2016 , 35(2) : 66 -75 . DOI: 10.11978/2014133

Abstract

In this study, based on fish samples collected in Beibu Gulf in July 2012, diet composition, feeding habits and trophic niche breadth of nine economic fish species were analyzed using the Shannon-Wiener index, Levins index and evenness index. Results showed that nine economic fish species could be classified into three types according to feeding habits, referred to as plankton predators (including Acropoma japonicum, Trachurus japonicus, Decapterus maruadsi, and Polydactylus sextarius), benthic predators (including Evynnis cardinalis, Upeneus japonicus and Psenopsis anomala) and nekton predators (Saurida tumbil and Pennahia argentata). Trophic niche breadth of Pennahia argentata was the highest (Shannon-Wiener index=0.938 and Levins index=2.238), while trophic niche breadth of Saurida tumbil was the lowest (Shannon-Wiener index=0 and Levins index=1). The trophic niche breadth of the nine economic fish species in summer in Beibu Gulf was strongly influenced by feeding habits and feeding foundation of surrounding environments.

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