Exploring the influence of water quality parameters on chlorophyll-a in Litopenaeus vannamei culture ponds using the method of multiple linear regression&n
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1. College of Fisheries and Life Science, Shanghai Ocean University, Shanghai 201306; 2. Fengxian Municipal Agriculture Commission, Shanghai 201400; 3. Fengxian Fisheries Technology Extension Station, Shanghai 201400

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S94

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    Abstract:

    Litopenaeusvannameiaterqualityparametersweremeasured,includingchlorophyll-a(Chla),watertemperature(T),pH,dissolvedoxygen(DO),transparency,totaldissolvedsolids(TDS),chemicaloxygendemand(COD),nitrogen(TN)andphosphorus(TP).Intotal,107groupsofmonitoringdatawereobtainedandcompiledasdescriptivestatistics.MultiplelinearregressionfollowingprincipalcomponentanalysiswasusedtosimulatetherelationshipbetweenwaterqualityvariablesandChlaincultureponds.Basedonthecriterionofeigenvaluesgreaterthan1,fourlatentvariablesoccupied77.56%tothecumulativecontributiontovariance.SubsequentmultiplelinearregressionanalysisshowedthatalatentvariableCwereclearlypositivelycorrelatedwithchlorophyll-a:Mn.Phosphoruswasthelimitingfactorfortheprimaryproductivityoftheponds.Weconcludethatorganicsandphosphorusarethemainfactorsthatneedtobefocusedontocontroleutrophicationin

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韦璐,江敏,余根鼎,李世凯,戴习林,顾德平,胡伟国. 凡纳滨对虾养殖塘叶绿素a与水质因子主成分多元线性回归分析[J]. Jounal of Fishery Sciences of China, 2012,[volume_no](4):620-625

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  • Online: October 24,2012
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