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Revisiting enteric methane emissions from domestic ruminants and their δ13CCH4 source signature

Author

Listed:
  • Jinfeng Chang

    (Université Paris Saclay
    International Institute for Applied Systems Analysis)

  • Shushi Peng

    (Peking University)

  • Philippe Ciais

    (Université Paris Saclay)

  • Marielle Saunois

    (Université Paris Saclay)

  • Shree R. S. Dangal

    (Auburn University
    Woods Hole Research Center)

  • Mario Herrero

    (Commonwealth Scientific and Industrial Research Organization)

  • Petr Havlík

    (International Institute for Applied Systems Analysis)

  • Hanqin Tian

    (Auburn University)

  • Philippe Bousquet

    (Université Paris Saclay)

Abstract

Accurate knowledge of 13C isotopic signature (δ13C) of methane from each source is crucial for separating biogenic, fossil fuel and pyrogenic emissions in bottom-up and top-down methane budget. Livestock production is the largest anthropogenic source in the global methane budget, mostly from enteric fermentation of domestic ruminants. However, the global average, geographical distribution and temporal variations of the δ13C of enteric emissions are not well understood yet. Here, we provide a new estimation of C3-C4 diet composition of domestic ruminants (cattle, buffaloes, goats and sheep), a revised estimation of yearly enteric CH4 emissions, and a new estimation for the evolution of its δ13C during the period 1961–2012. Compared to previous estimates, our results suggest a larger contribution of ruminants’ enteric emissions to the increasing trend in global methane emissions between 2000 and 2012, and also a larger contribution to the observed decrease in the δ13C of atmospheric methane.

Suggested Citation

  • Jinfeng Chang & Shushi Peng & Philippe Ciais & Marielle Saunois & Shree R. S. Dangal & Mario Herrero & Petr Havlík & Hanqin Tian & Philippe Bousquet, 2019. "Revisiting enteric methane emissions from domestic ruminants and their δ13CCH4 source signature," Nature Communications, Nature, vol. 10(1), pages 1-14, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-11066-3
    DOI: 10.1038/s41467-019-11066-3
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    Cited by:

    1. Aryal, Jeetendra P., 2022. "Contribution of Agriculture to Climate Change and Low-Emission Agricultural Development in Asia and the Pacific," ADBI Working Papers 1340, Asian Development Bank Institute.
    2. Hajer Ammar & Sourour Abidi & Mediha Ayed & Nizar Moujahed & Mario E. deHaro Martí & Mireille Chahine & Rachid Bouraoui & Secundino López & Hatem Cheikh M’hamed & Haikel Hechlef, 2020. "Estimation of Tunisian Greenhouse Gas Emissions from Different Livestock Species," Agriculture, MDPI, vol. 10(11), pages 1-17, November.
    3. Martin C. Parlasca & Matin Qaim, 2022. "Meat Consumption and Sustainability," Annual Review of Resource Economics, Annual Reviews, vol. 14(1), pages 17-41, October.
    4. Chin-Hsien Cheng & Simon A. T. Redfern, 2022. "Impact of interannual and multidecadal trends on methane-climate feedbacks and sensitivity," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    5. Jingxiu Qin & Weili Duan & Shan Zou & Yaning Chen & Wenjing Huang & Lorenzo Rosa, 2024. "Global energy use and carbon emissions from irrigated agriculture," Nature Communications, Nature, vol. 15(1), pages 1-12, December.

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