In situ analyses of methane oxidation associated with the roots and rhizomes of a bur reed, Sparganium eurycarpum, in a Maine wetland
Article Abstract:
Acetylene and methyl fluoride inhibit peat methanogenesis and methane oxidation in the roots and rhizomes of Sparganium eurycarpum, a bur reed, in a Maine wetland. However, methanogenesis inhibition does not cause any observable short-term effects, and neither of the two inhibitors affects plant metabolism adversely. The absolute amount of methane that is oxidized is not associated with the total potential methane flux, indicating that factors besides methane availability regulate methane oxidation. Methane emission mainly occurs through plant tissues that are above the ground.
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 1996
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Effects of temperature on methane consumption in a forest soil and in pure cultures of the methanotroph Methylomonas rubra
Article Abstract:
The basic microbiology and regulation of methane oxidation in soils is still inadequately understood. An investigation was conducted to determine the factors affecting this process. The results showed that methane oxidation and temperature shows an Arrhenius relationship. However, the primary factors that limits the process are those affecting methane transport, such as soil water content, gas-phase methane concentrations, depth of the methane-oxidizing horizon and the population densities of methanotrophs.
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 1992
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Methane consumption in temperate and subartic forest soils: rates, vertical zonation, and responses to water and nitrogen
Article Abstract:
The rates of atmospheric methane consumption in temperate and subartic mixed hardwood forest soils is discussed.Static chambers and intact soil cores were used in the measurements. It was found that underneath the soil surface occurs the localization of the maximum rates of methane uptake. Also, the sensitivity to nitrogen inhibition of methane consumption in subartic forest soils were found to be higher than consumption in temperate forests.
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 1993
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