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Dark aerobic methane emission associated to leaf factors of two Acacia and five Eucalyptus species

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Title: Dark aerobic methane emission associated to leaf factors of two Acacia and five Eucalyptus species
Authors: Watanabe, Makoto Browse this author →KAKEN DB
Watanabe, Yoko Browse this author →KAKEN DB
Kim, Yong Suk Browse this author
Koike, Takayoshi Browse this author →KAKEN DB
Keywords: Aerobic methane emission
Correlation analysis
Evergreen tree species
Greenhouse gas
Leaf mass per area
Leaf structural trait
Issue Date: Jul-2012
Publisher: Elsevier
Journal Title: Atmospheric Environment
Volume: 54
Start Page: 277
End Page: 281
Publisher DOI: 10.1016/j.atmosenv.2012.02.012
Abstract: We sought the biological factors determining variations in the methane emission rates from leaves of different plant species under aerobic conditions. Accordingly, we studied relations between the methane emission rate and leaf traits of two Acacia and five Eucalyptus species. We grew seedlings of each species in a glasshouse and measured the methane emission rate of the detached leaves under dark conditions at 30 °C. At the same time we measured the leaf mass per area (LMA), water content, and concentrations of carbon and nitrogen. There was no correlation between the leaf nitrogen concentration and the methane emission rate. This is consistent with previous findings that enzymatic processes do not influence methane emission. We found a significant negative correlation between LMA and the methane emission rate. Our results suggest that leaf structure is primarily responsible for differences in the rates of aerobic methane emission from leaves of different species.
Type: article (author version)
URI: http://hdl.handle.net/2115/50980
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 渡辺 誠

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