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Nonlinear microbial thermal response and its implications for abrupt soil organic carbon responses to warming

文献类型：期刊论文

作者Yu, Kailiang9,10; He, Lei8; Niu, Shuli10; Wang, Jinsong10; Garcia-palacios, Pablo(); Dacal, Marina6,7; Averill, Colin5; Georgiou, Katerina4; Ye, Jian-sheng3; Mo, Fei2
刊名NATURE COMMUNICATIONS
出版日期2025-03-20
卷号16期号:1页码:2763
DOI10.1038/s41467-025-57900-9
产权排序1
文献子类Article
英文摘要Microbial carbon use efficiency (CUE) is a key microbial trait affecting soil organic carbon (SOC) dynamics. However, we lack a unified and predictive understanding of the mechanisms underpinning the temperature response of microbial CUE, and, thus, its impacts on SOC storage in a warming world. Here, we leverage three independent soil datasets (n = 618 for microbial CUE; n = 591 and 660 for heterotrophic respiration) at broad spatial scales to investigate the microbial thermal response and its implications for SOC responses to warming. We show a nonlinear increase and decrease of CUE and heterotrophic respiration, respectively, in response to mean annual temperature (MAT), with a thermal threshold at approximate to 15 degrees C. These nonlinear relationships are mainly associated with changes in the fungal-to-bacterial biomass ratio. Our microbial-explicit SOC model predicts significant SOC losses at MAT above approximate to 15 degrees C due to increased CUE, total microbial biomass, and heterotrophic respiration, implying a potential abrupt transition to more vulnerable SOC under climate warming.
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WOS关键词USE EFFICIENCY ; STOICHIOMETRY ; RESPIRATION ; BACTERIAL ; FUNGAL ; GROWTH ; EVOLUTION ; DOMINANCE ; FEEDBACK ; SYSTEM
WOS研究方向Science & Technology - Other Topics
语种英语
WOS记录号WOS:001449678800007
出版者NATURE PORTFOLIO
源URL[http://ir.igsnrr.ac.cn/handle/311030/213365]  
专题生态系统网络观测与模拟院重点实验室_外文论文
通讯作者Yu, Kailiang; Wang, Jinsong
作者单位1.Beijing Forestry Univ, Res Ctr Forest Management Engn State Forestry & Gr, Beijing, Peoples R China
2.Northwest A&F Univ, Coll Agron, Yangling, Peoples R China;
3.Lanzhou Univ, Coll Ecol, State Key Lab Grassland Agroecosyst, Lanzhou, Peoples R China;
4.Lawrence Livermore Natl Lab, Phys & Life Sci Directorate, Livermore, CA USA;
5.Swiss Fed Inst Technol, Dept Environm Syst Sci, CH-8092 Zurich, Switzerland;
6.Neurobiol Freie Univ Berlin, Inst Biol, D-14195 Berlin, Germany;
7.Univ Alicante, Inst Multidisciplinar Estudio Medio Ramon Margalef, Alicante, Spain;
8.Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, State Key Lab Efficient Utilizat Arable Land China, Beijing, Peoples R China; CSIC, Inst Ciencias Agr, Madrid, Spain;
9.Princeton Univ, High Meadows Environm Inst, Princeton, NJ 08544 USA;
10.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing, Peoples R China;
推荐引用方式
GB/T 7714		 Yu, Kailiang,He, Lei,Niu, Shuli,et al. Nonlinear microbial thermal response and its implications for abrupt soil organic carbon responses to warming[J]. NATURE COMMUNICATIONS,2025,16(1):2763.
APA Yu, Kailiang.,He, Lei.,Niu, Shuli.,Wang, Jinsong.,Garcia-palacios, Pablo.,...&Crowther, Thomas W..(2025).Nonlinear microbial thermal response and its implications for abrupt soil organic carbon responses to warming.NATURE COMMUNICATIONS,16(1),2763.
MLA Yu, Kailiang,et al."Nonlinear microbial thermal response and its implications for abrupt soil organic carbon responses to warming".NATURE COMMUNICATIONS 16.1(2025):2763.

入库方式： OAI收割

来源：地理科学与资源研究所

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