The global cycle of methane.
D000085:Acetates / Q000378:metabolism; D001272:Atmosphere; D002245:Carbon Dioxide / Q000378:metabolism; D019605:Euryarchaeota / Q000378:metabolism*; D006859:Hydrogen / Q000378:metabolism; D008697:Methane / Q000378:metabolism*; D010788:Photosynthesis; D012988:Soil Microbiology
D000085:Acetates; D002245:Carbon Dioxide; D006859:Hydrogen; D008697:Methane