清潩河(许昌段)流域生物群落特征及其与环境因子的关系

doi:10.13287/j.1001-9332.201607.031

应用生态学报 ›› 2016, Vol. 27 ›› Issue (7): 2111-2118.doi: 10.13287/j.1001-9332.201607.031

• 第十届国际湿地大会会议专栏 • 上一篇下一篇

清潩河(许昌段)流域生物群落特征及其与环境因子的关系

闵梦月¹, 宗小香¹, 段一凡², 李宁¹, 冷欣^1*

¹南京大学生命科学学院, 南京 210046;
²南京林业大学森林资源与环境学院, 南京 210037

收稿日期:2016-01-11 发布日期:2016-07-18
通讯作者: *E-mail: lengx@nju.edu.cn
作者简介:闵梦月,女,1993年生,硕士研究生. 主要从事湿地生态学研究. E-mail: minmengyue@163.com
基金资助:
本文由国家“水体污染控制与治理”科技重大专项(2015ZX07204-002-04)资助

Community characteristics in Qingyihe River basin of Xuchang section and their relationships with environmental factors.

MIN Meng-yue¹, ZONG Xiao-xiang¹, DUAN Yi-fan², LI Ning¹, LENG Xin^1*

¹College of Life Science, Nanjing University, Nanjing 210046, China;
²College of Forest Resources and Environment, Nanjing Forestry University, Nanjing 210037, China

Received:2016-01-11 Published:2016-07-18
Contact: *E-mail: lengx@nju.edu.cn
Supported by:
This work was supported by the National “Water Pollution Control and Governance” Science and Technology Major Project (2015ZX07204-002-04).

摘要/Abstract

摘要： 以清潩河(许昌段)流域为研究对象,通过野外调查和室内测定,对水生植物、河岸带植物和大型底栖动物的群落特征、水体和表层沉积物的环境因子特征进行研究,分析清潩河流域内的生物多样性.结果表明: 流域内共有水生植物12种,河岸带植物66种,大型底栖动物10种.群落间环境因子变异较大,其中,水体的铵氮、总氮、总磷、表层沉积物的氧化还原电位、重金属镉、汞、锌的变异显著.典范对应分析表明: 水体理化性质如化学需氧量、温度、pH、溶解氧、总磷是影响水生植物的关键环境因子;水体氧化还原电位、pH和表层沉积物的镍、汞、有机质、铅、镉是影响河岸带植物分布的关键因子;表层沉积物的pH、温度、氧化还原电位、砷、铅、镍和水体温度是影响大型底栖动物的关键环境因子.清潩河(许昌段)流域水质污染严重,生物群落多样性低,沿河的污水处理及保护与恢复生物类群的工作迫在眉睫.

Abstract: We took Xuchang section of Qingyihe River Basin as study object to explore biodiversity in Qingyihe River. On the basis of field survey and in-laboratory analysis, community characteristics of aquatic macrophytes, riparian zone plants and macrobenthos, with environmental characteristics of water and surface sediment were investigated. Results showed that a total of 12 species of aquatic macrophytes, 66 species of riparian zone plants, and 10 species of macrobenthos were found. The communities varied sharply with the changes in the environmental factors, such as NH₄⁺-N, TN, TP in the water and oxidation-reduction potential (ORP), TP, Cd, Hg, Zn in the surface sediment. The CCA ordination results indicated that COD, temperature, pH, DO, TP in the water were key factors influencing aquatic macrophytes, while ORP, pH in the water and Ni, Hg, TOC, Pb, Cd in the surface sediment were key factors for riparian zone plants. pH, temperature, ORP, As, Pb, Ni in the surface sediment and temperature in the water were the key factors influencing community characteristic of macrobenthos. In Qingyihe River basin of Xuchang section, the water had been polluted and the biodiversity of communities was low, so it is urgent to treat wastewater along the river as well as protect and recover communities.

闵梦月, 宗小香, 段一凡, 李宁, 冷欣. 清潩河(许昌段)流域生物群落特征及其与环境因子的关系[J]. 应用生态学报, 2016, 27(7): 2111-2118.

MIN Meng-yue, ZONG Xiao-xiang, DUAN Yi-fan, LI Ning, LENG Xin. Community characteristics in Qingyihe River basin of Xuchang section and their relationships with environmental factors.[J]. Chinese Journal of Applied Ecology, 2016, 27(7): 2111-2118.

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清潩河(许昌段)流域生物群落特征及其与环境因子的关系

Community characteristics in Qingyihe River basin of Xuchang section and their relationships with environmental factors.

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