Kinetics of Selenium Uptake and Loss and Seasonal Cycling of Selenium by the Aquatic Microbial Community in the Kesterson Wetlands

ArelativelyrapidrateofdepurationofSebyanimalsandplantsis crucialforthecleanupofSe-pollutedsitesusingthepermanentflooding technique.IfthenaturalratesofSelossareslow,thenother,morecostly methodssuchasphysicalexcavationorburying[3-5],chemicalbinding, acceleratedbiologicalloss[6],orcroppingbecomenecessary.Incontrastto therapidratesofuptake,theliteraturegiveslittleguidanceontheratesof Seloss,especiallyforpollutednaturalwetlandsystems.