摘要
Concentrationsoforganicmatter,ironandmanganeseinthedeepseasurfacesedimentsintheNanshaIslandsseaarea,SouthChinaSeaaremeasured.Horizontalandverticaldistributionsofironandmanganesearediscussed.Theverticaldistributionofironandmanganeseinthesedimentsresultsfromreduction,diffusion,andredepositionofmanganese(oriron)oxideandhydroxideinthesediment.Therearethemaximaofironandmanganeseinsolidphaseinthetopofthesediment,whichiscausedbythepenetrationofO2andtheupwardfluxofMn2+(orFe2+).Manganesebacteriaplayaveryimportantroleinthecycleofsolid-phaseironandmanganeseintheoceanenvironment.ManganesebacteriaoxidizeMn2+(orFe2+)indissolvedstatetoMn4+(orFe3+)inoxidizedstateundertheaerobiccondition,whereastheyreduceironandmanganeseinanaerobicconditions.
出版日期
2003年02月12日(中国期刊网平台首次上网日期,不代表论文的发表时间)