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1、滴水湖水系沉积物中磷细菌的分布及研究江敏皿,胡文婷】,吴昊卢柳I,邢斌】,任治安I,刘金金I(1.±海海洋大学.上海201306;2.水域环境生态上海高校工程研究中心.上海201306)摘要通过采样分析,于2010年对滴水湖水系沉积物小有机磷细菌、无机磷细菌的牛态分布进行了为期1年的调查。结果表明:闸外引水河沉积物中冇机磷细菌数屋年平均值为(2.76X10基金项目:上海市教委科研创新项目(10ZZ103),±海市教委重点学科建设项目(J50701)・作者简介:江敏(1972〜),女,江苏省海门人,障上•主要从事水域环境保护方面的研究,E-mail:mjiang@shou.ed
2、u.cn±1.31X104)CFU/gT重,无机磷细菌数量年平均值为(7.19x103±3.98X103)CFU/g干重;闸内引水河沉积物中有机磷细菌数量年平均值为(1.05X10吐3.56X105)CFU/g干重,无机磷细菌数量年平均值为(2.54x103±8.77XI02)CFU/g干重;滴水湖沉积物屮有机磷细菌数量年平均值为(6.69X10:5±2.63X10!)CFU/g干重,无机磷细菌数量年平均值为(1.66x10“±5.83X102)CFU/g干重。闸外引水河沉积物小的有机磷细菌与总磷(TP)的相关系数尸0.814,无机磷细菌与TP的相关性系数r=0.896;闸内
3、引水河沉积物屮的有机磷细菌与TP的相关系数-0.934,无机磷细菌与TP的相关性系数-0.938;滴水湖沉积物中的有机磷细菌与TP的相关系数「0.992,无机磷细菌与TP的相关性系数r=0.985o关键词滴水湖;有机磷细菌;无机磷细菌;总磷;相关性DistributionandresearchofphosphatedissolvingbacteriainsedimentofDishuilakebasinJiangMinh2,HuWenting1,WuHaob2,LuLiu1,XingBin1,RenZhian1,Liujinjin(1.CollegeofFisheriesan
4、dLifeScience,ShanghaiOceanUniversity,Shanghai201306、P.R.Chiiui;2.ResearchandEngineeringCenteronAquaticEnvironmentEcosystem,Shanghai201306,P.R.China)AbstractThedistributionofcultivableorganicphosphatedissolvingbacteriaandinorganicphosphatedissolvingbacteriainsedimentofDishuilakebasinwasstudi
5、edin2010.Resultsshowedthat:Theannualaverageamountoforganicphosphatedissolvingbacteriainsedimentofdiversionriveroutgatewas(2.76X10±1.31X10’)CFU/gdrysedimentaswellastheannualaverageamountofinorganicphosphatedissolvingbacteriawas(7.19xl03±3.98X10)CFU/gdrysediment;Theannualaverageamountoforgani
6、cphosphatedissolvingbacteriainsedimentofdiversionriveringatewas(1.05X10l±3.56X10')CFU/gdrysedimentandtheannualaverageamountofinorganicphosphatedissolvingbacteriawas(2.54x]03土&77X10’)CFU/gdrysediment;TheannualaverageamountoforganicphosphatedissolvingbacteriainsedimentofDishuilakewas(6.69X10+
7、2.63X10*)CFU/gdrysedimentandtheannualaverageamountofinorganicphosphatedissolvingbacteriawas(1.66xl03±5.83X102)CFU/gdrysediment.Thecorrelationcoefficientbetweenorganicphosphatedissolvingbacteriainsedimentofdiversionriveroutgateandtotalphosphorus(TP)wasr=0