Kinetics of microbial Fe(III) oxide reduction in freshwater wetland sediments
نویسندگان
چکیده
منابع مشابه
Kinetics of microbial Fe(III) oxide reduction in freshwater wetland sediments
The kinetics of microbial amorphous Fe(III) oxide reduction was investigated in sediments from a freshwater wetland in north central Alabama, USA. Fe(III) oxide concentrations decreased exponentially with time during anaerobic incubation of sediment slurries and homogenized surface sediments. Rates of organic carbon mineralization (SCO2 1 CH4 accumulation) did not change markedly during the cou...
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High concentrations (20-75 pmol cm-3) of amorphous Fe(III) oxide were observed in unvegetated surface and Juncus eflusus rhizosphere sediments of a freshwater wetland in the southeastern United States. Incubation experiments demonstrated that microbial Fe(III) oxide reduction suppressed sulfate reduction and methanogenesis in surface scdimcnts and mediated 240% of depth-integrated (O-10 cm) unv...
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ژورنال
عنوان ژورنال: Limnology and Oceanography
سال: 2002
ISSN: 0024-3590
DOI: 10.4319/lo.2002.47.1.0198