氮和磷营养盐对广东y仔鱼的毒性研究 - 安徽农业科学.PDF
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,JournalofAnhuiAgri.Sci.2013,41(23):9628-9630
1,2 1 1 1 1 1 1
, , , , , ,
(1. , 510380;2. , 201306)
[ ] 。[ ] 、 、 ,
。[ ] 0.4mg/L、 0.07mg/L、 0.15
mg/L , 。 0~22mg/L , , 0
~22mg/L 。[ ] 。
; ;
S965.119 A 0517-6611(2013)23-09628-03
StudyontheToxicityofNitrogenandPhosphorustoMegalobramaterminalisLarvae
LILinetal (PearlRiverFisheriesResearchInstitute,ChineseAcademyofFisheriesScience,MinistryofAgriculture,Guangzhou,Guang
dong510380)
Abstract [Objective]TheresearchaimedtodiscussthetoxicityofnitrogenandphosphorusnutrientsalttoMegalobramaterminalislarvae.
[Method]Ammonia,nitrate,nitriteandphosphatewereusedtomakethetoxicitytestonM.terminalislarvae,andtheeffectsofnitrogenand
phosphorusnutrientonthegrowthofM.terminalislarvaewerediscussed.[Result]Whentheconcentrationofphosphateswasover0.4mg/L,
theconcentrationofnitriteswasover0.07mg/Landtheconcentrationofammoniawasover0.15mg/L,ithadaseriouslethaleffectonM.termi
nalislarvaeastheconcentrationincreased.Whentheconcentrationofnitratewas0~22mg/L,ithadnoobviouseffectonM.terminalislarvae
andthelethalrateofM.terminalislarvaedind’tchangewiththeincreaseofnitrateconcentration.[Conclusion]Highnitrogenandphosphorus
nutrientwouldaffectthesurvivalofM.terminalislarvae.
Keywords Megalobramaterminali
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