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Effect of elevated CO2 on CH4 emission

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Chinese Science Bulletin

Abstract

Global CH4 emission may increase under CO2 enrichment condition, which is projected for the future. CO2 enrichment could affect CH4 emission in two ways: (i) Photosynthesis of plants that also include plants in rice paddies and natural wetlands will be stimulated under CO2 enrichment condition. CH4 emission rate may be increased due to the accumulation of more plant biomass, root exudes and soil organic matters. (ii) Combined with other global warming forces, CO2 enrichment may bring a change of atmospheric temperature and precipitation around the world. CH4 emission will also be changed with the variation of the area and distribution of rice paddies and natural wetlands.

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Authors and Affiliations

  1. State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Science, 100085, Beijing, China

    Dali Wang

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  1. Dali Wang
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Wang, D. Effect of elevated CO2 on CH4 emission. Chin.Sci.Bull. 44, 1153–1157 (1999). https://doi.org/10.1007/BF02885956

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  • DOI: https://doi.org/10.1007/BF02885956

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