云阳澎溪河浮游动物群落结构及其与水体盐碱度的关系

刘菊梅; 周雨杉; 刘佳蕊; 夏红霞; 董悦玲; 庄培佳; 梁洋; 朱启红; 司万童; 郑财贵

doi:10.13205/j.hjgc.202502010

云阳澎溪河浮游动物群落结构及其与水体盐碱度的关系

doi: 10.13205/j.hjgc.202502010

1. 重庆文理学院重金属废水资源利用重庆市重点实验室三峡库区河湖生态系统重庆市野外科学观测研究站, 重庆 402160;
2. 重庆市规划和自然资源调查监测院, 重庆 401120;
3. 重庆市矿山土壤环境监测与整治工程技术研究中心 (重庆地质矿产研究院), 重庆 401120;
4. 重庆三峡学院生物与食品工程学院, 重庆 404100

基金项目:

国家自然科学基金项目(42103078)

重庆市教委科学技术研究项目(KJQN202301313)

详细信息

作者简介:
刘菊梅(1985-),女,博士,副教授,主要从事环境生物学研究工作。liujm1225@126.com

通讯作者:
司万童(1986-),男,博士,教授,主要研究方向为环境生物学。siwt02@163.com
郑财贵(1982-),男,教授,博士,主要从事城市环境规划。26554853@qq.com

司万童(1986-),男,博士,教授,主要研究方向为环境生物学。siwt02@163.com
郑财贵(1982-),男,教授,博士,主要从事城市环境规划。26554853@qq.com

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出版历程
- 收稿日期: 2024-10-09
- 录用日期: 2025-01-15
- 修回日期: 2024-12-26

Structure of zooplankton community in Pengxi River, Yunyang County and its relationship with saline-alkali of the water body

1. Chongqing Key Laboratory for Resource Utilization of Heavy Metal Wastewater, Aquatic Ecosystems in the Three Gorges Reservoir Region of Chongqing Observation and Research Station, Chongqing University of Arts and Sciences, Chongqing 402160, China;
2. Chongqing Institute of Surveying and Monitoring for Planning and Natural Resources, Chongqing 401120, China;
3. Chongqing Engineering Technology Research Center of Mine Soil Environmental Monitoring and Remediation (Chongqing Institute of Geology and Mineral, Resources), Chongqing 401120, China;
4. College of Biological and Food Engineering, Chongqing Three Gorges University, Chongqing 404100, China

摘要

摘要: 为了解重庆市云阳县彭溪河流域浮游动物群落结构及其与水体盐碱度的关系,于2023年6月开展了云阳县彭溪河浮游动物生物多样性研究,共鉴定出浮游动物4纲5类31种,包括22种枝角类、4种轮虫类、3种桡足类、1种昆虫类和1种寡毛类,总密度70.8~270 ind./L,总生物量1.13~4.02 mg/L,其中枝角类的物种数量最多,密度最大,物种多样性水平明显高于其他物种。各样点浮游动物的Shannon-Wiener多样性指数和Pielou均匀度指数分别为0.919~2.335和0.300~0.780,干流与支流河口位置对2类指数的影响较大。浮游动物优势种有7种,其中剑水蚤、猛水蚤与泥溞在生境选择上较为相似,生态位重叠度较高。整体而言,全盐量、总碱度和总磷是影响云阳澎溪河浮游动物群落结构变化的主要环境因子。水体营养盐在一定程度上减缓了盐碱度对浮游动物生长的限制。因此控制流域内盐类污染物的输入,对该流域浮游动物群落结构的稳定性至关重要。
- 浮游动物 /
- 群落结构 /
- 生态位宽度 /
- 生态位重叠 /
- 水体盐碱度
Abstract: In order to investigate the structure of zooplankton community in Pengxi River basin, Yunyang County, Chongqing and clarify its correlation with saline-alkali of the water body, a study on zooplankton biodiversity was carried out in June 2023. The results showed that 31 species of zooplankton belonging to 4 classes were collected, including 22 species of Cladocera, 4 species of Rotifer, 3 species of Copepod, 1 species of insect, and 1 species of Oligochaeta. The total density was 70.8 ind./L to 270 ind./L, and the total biomass was 1.13 mg/L to 4.02 mg/L; among which Cladocera was the most abundant, and the level of species diversity was significantly higher than that of other species. The Shannon-Wiener diversity index and Pielou evenness index of zooplankton ranged from 0.919 to 2.335, and 0.300 to 0.780, respectively. 7 dominant species were found, among which Cyclops, Harpacticoida, and Daphnia vulgaris were similar in habitat selection and had higher niche overlap. The results of correlation analysis showed that total salinity, total alkalinity, and total phosphorus were the main environmental factors affecting the changes in zooplankton community structure. To some extent, the nutrients of water might mitigate the alkalinity and salinity constraints for some zooplankton. Therefore, controlling the input of salt pollutants in the basin was crucial to maintaining the stability of the zooplankton community structure in the basin.
- zooplankton /
- community structure /
- niche breadth /
- niche overlap /
- saline-alkali of water

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