草型湖泊叶绿素a浓度时空分布特征及其与氮磷浓度关系

a*冯伟莹1，2张生1王圣瑞2焦立新2王利明1崔凤丽1付绪金1杨芳11．0100182．//1000122006—20105—10a、。a5、6、9、10a7、8a≈＞200799.01mg/m3201071.80mg/m3a7.78mg/m3＞。a、20065a、r=0.7450、0.7596、20085ar=0.5421、20105ar=0.5089。DOI10.7617/j.issn.1000－8942.2013.04.032SPACE-TIMEDISTRIBUTIONOFCHLOROPHYLL-aANDITSRELATIONSHIPWITHTNANDTPCONCENTRATIONSINPLANTTYPELAKEFengWeiying12ZhangSheng1WangShengrui2JiaoLixin2WangLiming1CuiFengli1FuXujin1YangFang11．CollegeofWaterConservancyandCivilEngineeringInnerMongoliaAgriculturalUniversityHohhot010018China2．StateKeyLaboratoryofEnvironmentalCriteriaandRiskAssessmentResearchCenterofLakeEco-EnvironmentChineseResearchAcademyofEnvironmentalSciencesStateEnvironmentalProtectionKeyLaboratoryforLakePollutionControlBeijing100012ChinaAbstractBasedonthemonitoringdatafromMaytoOctoberin2006—2010thespatial-temporaldistributionofchlorophyll-aconcentrationsanditsrelationshipwithandTNandTPconcentrationswereanalyzed．Theresultsshowedthatchlorophyll-aconcentrationssignificantlychangewithbothtimeandspacebeingtimelyhigherinMayJuneSeptemberandOctoberlowerinJulyandAugustconcentrationsinspringandautumnwerehigherthanthoseinsummerthemaximumvalueoccurredinseptember2007withanaverageof9.01mg/m3andtheminimumvalueinJuly2010withanaverageof1.80mg/m3andspatiallytheyweredecreasingfromthenorthtothesouthwiththeborderof7.78mg/m3．Thecorrelationbetweenchlorophyll-awithTNTPdemonstratedevidentlyinMayof2006r=0.74500.7596thecorrelationbetweenchlorophyll-awithTPdemonstratedevidentlyinMayof2008r=0.5421thecorrelationbetweenchlorophyll-awithTNdemonstratedevidentlyinMayof2010r=0.5089．Keywordslinearregressionequationcorrelationspatial-temporalchange*5126901651269017U12022354110307020091408。01。a2。362120138314PSOBPaBP。4aa61.08μg/L0.19μg/L。5HJ-1Aa。6aP＜0.01。7SPSS145aP＜0.05＞0℃P＜0.05。a12。8。aa、。2006—20105—10aa。11.1研究区概况8、9。40°36'～41°03'108°43'～108°57'285.38km2118.97km2111.13km285.7km2。90%1、10-1112。1Fig．1IrrigationanddrainagesystemofHetaoirrigationinBayanNur1.2材料与方法892km×2km24。、J11、J13、L11、L15、M12、N13、O10、P9、P11、Q8、Q10、S6、T5、U4、V3、W2162。2006—20105—101GPS。2Fig．2LocationsofsamplingsitesinLakeWuliangsuhaia。72120138314300mLWhat-manGP/C90%。13。。22.1乌梁素海水体中叶绿素a的时间变化2006—20105—10a3。35a≈＞5、6、9、107、8。200799.01mg/m3201071.80mg/m3。、a。3aFig．3Themonthlyvariationcurveofchlorophyll-aintheLakeWuliangsuhaiduring2006—2010year2.2乌梁素海水体中叶绿素a的空间变化2006—201016、4。、、90%J11、。a5。67.78mg/m310P997.78mg/m3。4TNTPFig．4ThevariationcurveoftheaverageconcentrationofTNandTPofsamplingsites5aFig．5Themonthlyvariationcurveofchlorophyll-aineverysamplingsitesofLakeWuliangsuhai2.3叶绿素a与总氮、总磷浓度关系分析。a14。15-17a、、。2006—2010582120138314a、1。20065a、0.74500.7596aa20085a20105a0.54210.5089。。1aChl．a、Table1ThecorrelationofChlorophyll-awithTNandTPConcentrationsChl．aTNChlaTPR2R22006.05lgChl．a=1.1804lgTN+0.44680.7450lgChl．a=2.0538lgTP+3.10840.75962007.05lgChl．a=0.9450lgTN+0.12170.1349lgChl．a=0.7516lgTP+1.49780.40552008.05lgChl．a=1.1518lgTN－0.18170.3082lgChl．a=1.3194lgTP+1.84610.54212009.05lgChl．a=0.0411gTN+0.42010.0007lgChl．a=0.5795lgTP+0.72360.25002010.05lgChl．a=1.1827lgTN+0.38810.5089lgChl．a=0.1056lgTP+0.44380.012331a、、16-18a9＞6＞5＞10＞7、8、。2a。。、。3a、aa、a。1．M．1990198-210．2．M．199031-39．3．PSOBPaJ．2011245526-532．4．aJ．2011324976-981．5．HJ－1AaJ．201132113207-3214．6．aJ．2009291199-206．7．J．2012326199-206．8．J．20123281856-1865．9．J．20094437-40．10．GISJ．200720368-74．11．J．2004596948-955．12．M．200770-98．13《》．M．4．2002670-671．14．aJ．200521469-71．15．aJ．2008205556-562．16．J．20065[e-mail]2012－09－2692120138314