Rice paddy soils are a quantitatively important carbon store according to a global synthesis

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dc.contributor.authorLiu, Yalong
dc.contributor.authorGe, Tida
dc.contributor.authorvan Groenigen, Kees Jan
dc.contributor.authorYang, Yuanhe
dc.contributor.authorWang, Ping
dc.contributor.authorCheng, Kun
dc.contributor.authorZhu, Zhenke
dc.contributor.authorWang, Jingkuan
dc.contributor.authorGuggenberger, Georg
dc.contributor.authorSardans, Jordi
dc.contributor.authorPenuelas, Josep
dc.contributor.authorWu, Jinshui
dc.contributor.authorKuzyakov, Yakov
dc.date.accessioned2023-09-08T06:22:42Z
dc.date.available2023-09-08T06:22:42Z
dc.date.issued2021-08-06
dc.description© The Author(s) 2021. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. The Version of Scholarly Record of this Article is published in Communications Earth & Environment, 2021, available online at: https://www.nature.com/articles/s43247-021-00229-0 . Keywords: agroecology; biogeochemistry; carbon cycle.
dc.description.abstractRice paddies account for ~9% or the world’s cropland area and are characterized by environmental conditions promoting soil organic carbon storage, methane emissions and to a lesser extent nitrous oxide emissions. Here, we synthesize data from 612 sites across 51 countries to estimate global carbon stocks in paddy soils and determine the main factors affecting paddy soil carbon storage. Paddy soils (0–100 cm) contain 18 Pg carbon worldwide. Paddy soil carbon stocks decrease with increasing mean annual temperature and soil pH, whereas mean annual precipitation and clay content had minor impacts. Meta-analysis shows that paddy soil carbon stocks can be increased through several management practices. However, greenhouse gas mitigation through paddy soil carbon storage is generally outweighed by increases in methane and nitrous oxide emissions. Our results emphasize the key role of paddies in the global carbon cycle, and the importance of paddy management in minimizing anthropogenic greenhouse gas emissions.
dc.description.sponsorshipThis study was supported by the National Key Research and Development program (2017YFD0800104), the National Natural Science Foundation of China (41977088, 41807089; 41977093; 41761134095); the Natural Science Foundation of Hunan Province (2019JJ10003; 2019JJ30028), the Youth Innovation Team Project of Institute of Subtropical Agriculture, Chinese Academy of Sciences (2017QNCXTD_GTD), and the International Postdoctoral Exchange Fellowship Program 2018 (20180017). The research of J.P. and J.S. was funded by the European Research Council Synergy grant ERC-2013-SyG-610028 IMBALANCE-P. The grants or other support to Ge T. from the Alexander von Humboldt Foundation of Germany and K. C. Wong Magna Fund in Ningbo University are also acknowledged with gratitude.
dc.identifier.citationLiu, Y., Ge, T., van Groenigen, K.J. et al. Rice paddy soils are a quantitatively important carbon store according to a global synthesis. Commun Earth Environ 2, 154 (2021). https://doi.org/10.1038/s43247-021-00229-0
dc.identifier.otherhttps://doi.org/10.1038/s43247-021-00229-0
dc.identifier.urihttps://hdl.handle.net/20.500.14096/414
dc.language.isoen
dc.publisherSpringer Nature
dc.titleRice paddy soils are a quantitatively important carbon store according to a global synthesis
dc.typeArticle

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