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标题

应用硅藻指数评价渭河流域水生态健康状况

作者

刘麟菲 徐宗学 殷旭 旺 武玮 闵文武

机构

北京师范大学水科学研究院, 北京师范大学水沙科学教育部重点实验室; 大连海洋大学水产与生命学院, 大连海洋大学辽宁省水生生物学重点实验室; 济南大学资源与环境学院

摘要

应用硅藻指数进行河流健康评价的研究日益广泛. 本研究于2012年10月对渭河流域60个点位进行采样调查, 应用Spearman相关分析法分析硅藻指数与水环境因子的关系, 并根据硅藻指数生态健康分类标准对渭河流域水生态健康状况进行评价. 结果表明, 渭河流域共采集到硅藻26属221种, 隐头舟形藻(Navicula cryptocephala)、谷皮菱形藻(Nitzshia palea)、扁圆卵形藻(Cocconeis placentula)、小形异极藻(Gom phonema parvulum)和极细曲壳藻(Achnanthes minutissima)等为主要优势物种, 实验共计算出12个硅藻指数、除IDAP指数外,其余1l个指数均与河宽显著相关. 仅DI-CH指数与溶氧显著相关.SHE、IPS和DI-CH指数与NO2和NH4+显著相关. 基于硅藻指数生态健康分类标准,12个硅藻指数评价结果相差较大,IDAP、IPS、IBO和LOBO指数评价结果较好点位占45%以上,而TDI、IDP、CEE和DI-CH指数评价结果较差的点位较多, 占45%以上,而其余指数评价结果为一般水平.

关键词

硅藻指数; 渭河; 环境因子; 健康评价

引用

张欣 徐宗学 殷旭旺 于松延 窦同文.济南市水生态功能区划研究.[J]. 北京师范大学学报(自然科学版),2016,52(3)317-321.

基金

国家自然科学基金资助项目(51279005); 国家水体污染控制与治理科技重大专项基金资助项目(2009ZX07212-002); 国家国际科技合作专项 基金资助项目(2009DFA22980)

分类号

X824

DOI

10.16360/j.cnki.jbnuns.2016.03.011

Title

Assessing water quality with diatom indices in the Wei River basin

Author

LIU Linfei; XU Zongxue; YIN Xuwang; WU Wei; MIN Wenwu

Affiliations

College of Water Sciences, Key laboratory of Water and Sediment Sciences Ministry of Education, Beijing University; College Of Fisheries and Life Science. Liaoning Provincial Key Laboratory for Hydrobiology, Dalian Ocean University; School of Resources and Environment, University of Jinan

Abstract

Diatom indices have been widely used to evaluate health of aquatic ecosystem of freshwater bodies. Sixty sampling sites were chosen to investigate correlation between diatom indices and water quality in the Wei River basin in October 2012. A total Of 221 diatom taxa from 26 genera Were identified. The richest species included Navicula cryptocephala, Nitzschia , Cocconeis placentula , Gom phonema parvulumand Achnanthes minutissima. By Spearman's correlation analysis, all diatom indices showed significant correlation with river width, except IDAP. Only DI-CH showed significant correlation with dissolved oxygen. SHE, IPS and DI-CH showed strong correlation with NO2-; and NH4+. Ecological stale was classified into five different types according to Lenoir and Coste. IDAP, IPS, IBD and LOBO diatom indices performed better than other indices, healthy sites accounted for more than 45%. On the contrary, TDI, IDP, CEE and DI-CH indicated that health Of the Wei River basin was relatively poor. The rest Of diatom indices tended to show a moderate condition.

Key words

diatom indices; Wei River; environment factor; health assessment

cite

LIU Linfei; XU Zongxue; YIN Xuwang; WU Wei; MIN Wenwu. Assessing water quality with diatom indices in the Wei River basin [J]. Journal of Beijing Normal University (Natural Science), 2016,52(3):317-321.

DOI

10.16360/j.cnki.jbnuns.2016.03.011

Copyright © 2014 Journal of Beijing Normal University (Natural Science)
Designed by Mr. Sun Chumin. Email: cmsun@mail.bnu.edu.cn