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Climate warming weakens the negative effect of nitrogen addition on the microbial contribution to soil carbon pool in an alpine meadow

文献类型：期刊论文

作者Zhao, Guang1; Zhang, Yangjian1,2,3,6; Cong, Nan1; Zheng, Zhoutao1; Zhao, Bo1; Zhu, Juntao1; Chen, Ning4; Chen, Yao1,5
刊名CATENA
出版日期2022-10-01
卷号217页码:12
关键词Microbial residues Soil microorganism Soil organic carbon Global changes Tibet Plateau
ISSN号0341-8162
DOI10.1016/j.catena.2022.106513
通讯作者Zhang, Yangjian(zhangyj@igsnrr.ac.cn)
英文摘要Microbial-derived soil organic carbon has attracted increased attention as an important source of soil organic matter that may affect soil carbon persistence. Ecosystems at high elevation and latitude contain massive amounts of soil organic carbon that is potentially vulnerable to rapid climate change. However, little is known about the mechanisms that govern the production and accumulation of carbon derived from microbes in the context of global changes for these regions. Here, we investigate soil biomarkers from membrane lipids and microbial residues in an experiment with six-year warming and nitrogen (N) addition treatments in an alpine meadow of the Tibetan Plateau. The results showed low accumulation of amino sugars in soil (167.51 to 297.36 mu g.g(-1)) for this alpine meadow. After the six-year manipulative experiment, warming promoted accumulation of microbial-derived carbon in soil with both increased bacterial (increased by 53.56%) and fungal carbon (increased by 25.60%). Nitrogen addition inhibited microbial-derived carbon accumulation (decreased by 25.37%) and significantly decreased the fungal carbon content relative to bacterial carbon content. Climate warming tended to weaken this N-driven negative effect. As microbial residues relate closely with soil organic matter stability, these results highlight the potential of global change factors (warming and N addition) to alter the structure and persistence of soil organic matter, with important implications in refining carbon cycle-climate models.
WOS关键词ORGANIC-MATTER ; COMMUNITY STRUCTURE ; TIBETAN PLATEAU ; AMINO-SUGARS ; BIOMASS ; RESPONSES ; METAANALYSIS ; DEPOSITION ; STORAGE ; FUNGAL
资助项目National Natural Science Foundation of China ; National Key R&D Program of China ; Strategic Priority Program ofChinese Academy of Science ; China Postdoctoral Science Foundation ; [41991234] ; [4210011372] ; [2019YFA0607302] ; [XDA20050102] ; [2019 M660781]
WOS研究方向Geology ; Agriculture ; Water Resources
语种英语
WOS记录号WOS:000880630800004
出版者ELSEVIER
资助机构National Natural Science Foundation of China ; National Key R&D Program of China ; Strategic Priority Program ofChinese Academy of Science ; China Postdoctoral Science Foundation
源URL[http://ir.igsnrr.ac.cn/handle/311030/187012]  
专题中国科学院地理科学与资源研究所
通讯作者Zhang, Yangjian
作者单位1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Lhasa Plateau Ecosyst Res Stn, Beijing 100101, Peoples R China
2.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
3.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100190, Peoples R China
4.Chinese Acad Sci, Northeast Inst Geog & Agroecol, Changchun 130102, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100101, Peoples R China
6.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, 11 Datun Rd, Beijing 100101, Peoples R China
推荐引用方式
GB/T 7714		 Zhao, Guang,Zhang, Yangjian,Cong, Nan,et al. Climate warming weakens the negative effect of nitrogen addition on the microbial contribution to soil carbon pool in an alpine meadow[J]. CATENA,2022,217:12.
APA Zhao, Guang.,Zhang, Yangjian.,Cong, Nan.,Zheng, Zhoutao.,Zhao, Bo.,...&Chen, Yao.(2022).Climate warming weakens the negative effect of nitrogen addition on the microbial contribution to soil carbon pool in an alpine meadow.CATENA,217,12.
MLA Zhao, Guang,et al."Climate warming weakens the negative effect of nitrogen addition on the microbial contribution to soil carbon pool in an alpine meadow".CATENA 217(2022):12.

入库方式： OAI收割

来源：地理科学与资源研究所

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