文档详情

氮和磷营养盐对广东y仔鱼的毒性研究 - 安徽农业科学.PDF

发布:2017-06-24约1.9万字共3页下载文档
文本预览下载声明
,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
显示全部
相似文档