Significant loss of soil inorganic carbon at the continental scale

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成果类型：

期刊论文

作者：

Song, Xiao-Dong;Yang, Fei;Wu, Hua-Yong;Zhang, Jing;Li, De-Cheng;...

作者机构：

[Zhang, Jing; Li, De-Cheng; Yang, Jin-Ling; Zhang, Gan-Lin; Song, Xiao-Dong; Liu, Feng; Wu, Hua-Yong; Ju, Bing; Yang, Fei; Zhao, Yu-Guo; Huang, Biao] Chinese Acad Sci, State Key Lab Soil & Sustainable Agr, Inst Soil Sci, Nanjing 210008, Peoples R China.

[Zhang, Jing; Yang, Jin-Ling; Zhang, Gan-Lin; Zhao, Yu-Guo] Univ Chinese Acad Sci, Coll Adv Agr Sci, Beijing 100049, Peoples R China.

[Wang, Tian-Wei; Chen, Jia-Ying; Cai, Chong-Fa] Huazhong Agr Univ, Coll Resources & Environm, Wuhan 430070, Peoples R China.

[Chen, Yin-Jun; Long, Huai-Yu] Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, Beijing 100081, Peoples R China.

[Lu, Ying] South China Agr Univ, Coll Nat Resources & Environm, Guangzhou 510642, Peoples R China.

语种：

英文

关键词：

China;soil inorganic carbon stocks;global change;carbonate;soil acidification

期刊：

国家科学评论(英文)

ISSN：

2095-5138

年：

2022

卷：

期：

DOI：

10.1093/nsr/nwab120

基金类别：

Second Tibetan Plateau Scientific Expedition and Research Program [2019QZKK0306]; National Key Research and Development Program of China [2018YFE0107000, 2017YFA0603002]; S&T Basic Work Program of Ministry of Science and Technology of China [2008FY110600, 2014FY110200]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [41771251]

机构署名：

本校为其他机构

院系归属：

资源环境学院

摘要：

Widespread soil acidification due to atmospheric acid deposition and agricultural fertilization may greatly accelerate soil carbonate dissolution and CO2 release. However, to date, few studies have addressed these processes. Here, we use meta-analysis and nationwide-survey datasets to investigate changes in soil inorganic carbon (SIC) stocks in China. We observe an overall decrease in SIC stocks in topsoil (0-30 cm) (11.33 g C m(-2) yr(-1)) from the 1980s to the 2010s. Total SIC stocks have decreased by similar to 8.99 +/- 2.24% (1.37 +/- 0.37 Pg C). The average SIC losses across China (0.046 ...

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Significant loss of soil inorganic carbon at the continental scale

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