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Appl Environ Microbiol. 2004 Feb;70(2):1231-3.

Effects of temperature and pressure on sulfate reduction and anaerobic oxidation of methane in hydrothermal sediments of Guaymas Basin.

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  • 1Max Planck Institute for Marine Microbiology, 28359 Bremen, Germany.

Abstract

Rates of sulfate reduction (SR) and anaerobic oxidation of methane (AOM) in hydrothermal deep-sea sediments from Guaymas Basin were measured at temperatures of 5 to 200 degrees C and pressures of 1 x 10(5), 2.2 x 10(7), and 4.5 x 10(7) Pa. A maximum SR of several micromoles per cubic centimeter per day was found at between 60 and 95 degrees C and 2.2 x 10(7) and 4.5 x 10(7) Pa. Maximal AOM was observed at 35 to 90 degrees C but generally accounted for less than 5% of SR.

PMID:
14766611
PMCID:
PMC348843
[PubMed - indexed for MEDLINE]
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