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《东平湖硅藻群落结构特征及其与水环境的关系-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第32卷第2期江苏师范大学学报(自然科学版)Vol_32,No.22014年6月JournalofJiangsuNormalUniversity(NaturalScienceEdition)Jun.,2014文章编号:2095—4298(2014)02—0001—06东平湖硅藻群落结构特征及其与水环境的关系陈诗越,刘双爽,杨丽伟,陈影影。(1.江苏师范大学城市与环境学院,江苏徐州221116;2.聊城大学环境与规划学院,山东聊城252059;3.南京大学地理与海洋科学学院,江苏南京210093)摘要:东平湖位于淮海经济区北部,是国家南水北调东线工程的
2、关键调蓄湖,其水环境状况对于调水水质安全具有重要意义.硅藻是指示湖泊水环境的敏感指标,在湖泊水质监测中有着广泛应用.为了解东平湖的水环境状况,2011年分季节对东平湖硅藻样品和水样进行了采集分析.研究表明:东平湖硅藻有16属43种,主要以部分附生和浮游种为主;优势属种有Achnanthesminutissima,Aulacoseiraambigua,Aulacoseiragranulata,Fragilariacapuci—na口.vaucheriea,Synedratenera,Synedraulna73.aCUS等.冗余分析(RDA)结果共解释物
3、种数据累计方差的28.1;MonteCarlo检验表明,东平湖水体中COD,pH值、总P和深度是影响底栖动物群落分布最关键的环境因子(F一2.O4~2.85,p4、communitiesandtheirrelationshipswithwaterenvironmentinDongpingLake,NorthernChinaChenShiyue,LiuShuangshuang,YangLiwei,ChenYingying。(1.SchoolofUrban&EnvironmentalSciences,JiangsuNormalUniversity,Xuzhou221116,Jiangsu,China2.SchoolofEnvironment&Planning,LiaochengUniversity,Liaochen5、g252059,Shandong,China;3.SchoolofGeographic&OceanographicSciences,NanjingUniversity,Nanjing210093,Jiangsu,China)Abstract:AsthekeystoragelakeofSouth—to—NorthWaterDiversionProjectinChina,DongpingLake,whichlocateinthenorthofHuaihaiEconomicZone,isgreatimportanttotheregulationofwate6、renvironmentsecurity.Forthemostsensitiveandeffectivebio—indicator,diatomiswidelyusedinmostofthelakewaterqualitymonitoring.Inor—dertoexplainthewaterenvironmentinDongpingLake,surveysondiatominsurfacesedimentandwaterofthelakewerecarriedoutseasonallyin2011.Resultshowsthatatota1of437、diatomspeciesbelongingto16generaareidenti—fied,andthemainspeciesareAchnanthesminutissima,Aulacoseiraambigua,Aulacoseiragranulata,Fragilariacapucina.vaucheriea。SynedratenetandSynedraulna.血cs.Theresultofredundancyanalysisaccountesfor28.1ofdiatomcommunityvariance,andMonteCarlo’ste8、stshowsthatCOD,totalphosphorus,depthandpH(F一2.O4~2.85,
4、communitiesandtheirrelationshipswithwaterenvironmentinDongpingLake,NorthernChinaChenShiyue,LiuShuangshuang,YangLiwei,ChenYingying。(1.SchoolofUrban&EnvironmentalSciences,JiangsuNormalUniversity,Xuzhou221116,Jiangsu,China2.SchoolofEnvironment&Planning,LiaochengUniversity,Liaochen
5、g252059,Shandong,China;3.SchoolofGeographic&OceanographicSciences,NanjingUniversity,Nanjing210093,Jiangsu,China)Abstract:AsthekeystoragelakeofSouth—to—NorthWaterDiversionProjectinChina,DongpingLake,whichlocateinthenorthofHuaihaiEconomicZone,isgreatimportanttotheregulationofwate
6、renvironmentsecurity.Forthemostsensitiveandeffectivebio—indicator,diatomiswidelyusedinmostofthelakewaterqualitymonitoring.Inor—dertoexplainthewaterenvironmentinDongpingLake,surveysondiatominsurfacesedimentandwaterofthelakewerecarriedoutseasonallyin2011.Resultshowsthatatota1of43
7、diatomspeciesbelongingto16generaareidenti—fied,andthemainspeciesareAchnanthesminutissima,Aulacoseiraambigua,Aulacoseiragranulata,Fragilariacapucina.vaucheriea。SynedratenetandSynedraulna.血cs.Theresultofredundancyanalysisaccountesfor28.1ofdiatomcommunityvariance,andMonteCarlo’ste
8、stshowsthatCOD,totalphosphorus,depthandpH(F一2.O4~2.85,
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