摘要
UsingtheSASsoftware,thedataofenvironmentalfactorsvs.redtidebiomasswereanalysedduringtheprocessofSkeletonemacostatumredtidewhichbrokeoutintheChangjiangEstuaryonJune9～15,1990.Theresultsofthemultivariatestatisticalanalysisshowthattheenvironmentalfactorsaresimilarintheirdevelopingandmaintenanceperiodsandthatthevaluesofenvironmentalfactorsbegintoberestoredtonormallevelsduringthedisappearingperiod.Theresultsobtainedfromusingthemethodsofcorrelation,variableclusterandmaincomponentanalysesarebasicallyidentical.Theimportantfactorscontributingtotheoccurrenceofthisredtideareatmosphericalpressure,watertemperature,salinity,pH,No3-,-N,Po43--PandFe,amongwhich,salinity,FeandPO43--Paretheleadingfactorswhichhavetriggeredtheoccurrenceoftheredtideasdeterminedbythestep-by-stepregressionanalysis.Meanwhile,thelineardiscriminationfunctionshavebeenestablishedfortheredtide.TheenvironmentalfactordataofanotheroccurringprocessofSkeletonemacostatumredtideintheChangjiangEstuaryhavebeenchosenforredtidediscriminationwithsatisfactoryresults.
出版日期
2001年01月11日（中国期刊网平台首次上网日期，不代表论文的发表时间）
