太湖西山岛周边水域后生浮游动物群落结构季节变化

陶江; 卜亚谦; 邵旭东; 蔡琨; 李曌; 吕学研; 叶文荣; 阮晓杰

引用本文:	陶江,卜亚谦,邵旭东,蔡琨,李曌,吕学研,叶文荣,阮晓杰.太湖西山岛周边水域后生浮游动物群落结构季节变化[J].环境监控与预警,2025,17(2):22-28
	TAO Jiang,BU Yaqian,SHAO Xudong,CAI Kun,LI Zhao,LYU Xueyan,YE Wenrong,Ruan Xiaojie.Seasonal Variations in the Community Structure of Postlarval Zooplankton in the Waters Surrounding Xishan Island， Taihu Lake[J].Environmental Monitoring and Forewarning,2025,17(2):22-28

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太湖西山岛周边水域后生浮游动物群落结构季节变化
陶江¹，卜亚谦²，邵旭东²，蔡琨²，李曌³，吕学研^2*，叶文荣¹，阮晓杰¹
1. 苏州市吴中环境监测站，江苏苏州 215104；2. 江苏省环境监测中心，江苏南京 210019；3. 中国环境监测总站，北京 100012

摘要:

以太湖西山生态岛周边水域为调查对象，于2023—2024年开展了春、夏、秋、冬4个季节后生浮游动物调查和分析。结果显示，太湖西山岛周边水域后生浮游动物种类丰富，季节性变化明显，以轮虫和小型浮游甲壳动物为主，小型化特征突出。调查共鉴定出后生浮游动物3大类45种，包含轮虫21种，桡足类13种，枝角类11种。后生浮游动物物种数平均值表现为夏季>秋季>春季>冬季。后生浮游动物香农-维纳（Shannon-Wiener）多样性指数（H′）全年平均值为1.87，季节特征表现为夏季>秋季>冬季>春季；皮耶罗（Pielou）均匀度指数（J′）全年平均值为0.62，季节特征表现为夏季>冬季>秋季>春季。

关键词: 太湖生态岛西山岛后生浮游动物群落结构

DOI：DOI：10.3969/j.issn.1674-6732.2025.02.004

分类号:Q958.8

基金项目:水利部重大科技项目（SKS-2022059）；江苏省环境监测科研基金项目（24B05）

Seasonal Variations in the Community Structure of Postlarval Zooplankton in the Waters Surrounding Xishan Island， Taihu Lake

TAO Jiang¹， BU Yaqian²， SHAO Xudong²， CAI Kun²， LI Zhao³， LYU Xueyan^2*， YE Wenrong¹， Ruan Xiaojie¹

1. Wuzhong Environmental Monitoring Center， Suzhou， Jiangsu 215104， China； 2. Jiangsu Provincial Environmental Monitoring Center， Nanjing， Jiangsu 210019， China； 3. China National Environmental Monitoring Center， Beijing 100012， China

Abstract:

The present study investigated and analyzed the surrounding waters of Xishan Ecological Island in Taihu Lake for four quarters from 2023 to 2024（representing the four seasons of spring， summer， autumn, and winter, respectively）. The findings revealed a rich diversity of postlarval zooplankton species， with pronounced seasonal variations， predominantly consisting of rotifers and small crustaceans， exhibiting notable miniaturization characteristics. A total of 45 postlarval zooplankton species were identified across three groups， including 21 rotifer species， 13 copepod species， and 11 cladicornis species. The average species of postlarval zooplankton displayed the following order： summer>autumn>spring>winter. Furthermore， the average Shannon-Wiener diversity index for postlarval zooplankton was calculated as 1.87（summer>autumn>winter>spring）， while the average annual Pielou evenness index stood at 0.62（summer>winter>autumn>spring）.

Key words: Taihu Lake Ecological Island Xishan Island Postlarval zooplankton Community structure