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Variance and main drivers of field nitrous oxide emissions: A global synthesis

文献类型：期刊论文

作者Li, Zhaolei2,3,4,5,6; Zeng, Zhaoqi2,7; Song, Zhaopeng1,5,8; Tian, Dashuan2; Huang, Xingzhao5,9; Nie, Sheng5,10; Wang, Jun6; Jiang, Lifen5; Luo, Yiqi5; Cui, Jun11
刊名JOURNAL OF CLEANER PRODUCTION
出版日期2022-06-15
卷号353页码:10
ISSN号0959-6526
关键词Nitrogen cycle Nitrate Ammonium Microbial biomass Nitrification Denitrification
DOI10.1016/j.jclepro.2022.131686
英文摘要The precise estimation of global nitrous oxide (N2O) emissions in nitrogen cycling will facilitate improved projections of future climate change. However, the geographical variations and the primary controlling factors of N2O emissions remain elusive at the global scale. What is lacking is their specific evaluation based on field data. We compiled a new dataset of soil N2O emission rates, including 6016 field observations from 219 articles, to synthesize N2O emission rates for different ecosystems and to explore the key determinants of N2O emission variations. The global mean soil N2O emission rate was 1111.8 +/- 26.6 mu g N m(-2) day(-1), with the largest one from humid subtropical regions and the smallest one from semi-arid areas. The soil N2O emission rates were positively correlated with the mean air annual temperature, soil pH, cation exchange capacity, soil moisture, soil organic carbon (C), total soil nitrogen (N), dissolved organic N, ammonium, nitrate, available phosphorus concentrations, microbial biomass carbon (MBC), and microbial biomass nitrogen (MBN) at a global scale. Conversely, the soil N2O rates were negatively correlated with soil bulk density, C:N ratio, and MBC:MBN ratio. The results of structural equation models revealed that the joint direct effects of soil nitrate, ammonium, and total N (combined standard coefficient = 0.45) accounted for most of the variability in global soil N2O emissions (total standard coefficient = 0.84), while climate factors and other soil physicochemical properties accounted for less. This study highlights the critical roles of soil N substrates on N2O emissions, which will facilitate the optimization of process-models for soil N2O emissions.
WOS关键词SOIL-MOISTURE ; N2O EMISSIONS ; AGRICULTURAL SOILS ; MICROBIAL BIOMASS ; ENZYME-ACTIVITY ; NITRATE ; PH ; DENITRIFICATION ; NITRIFICATION ; FERTILIZATION
资助项目National Natural Science Founda-tion of China[31988102] ; National Natural Science Founda-tion of China[31625006] ; CAS international collabora-tion program[131A11KYSB20180010] ; Shandong Provincial Natural Science Foundation[ZR2020MC039] ; Postdoctoral Science Foun-dation of China[2018M641459] ; China International Postdoctoral Exchange Fellowship Program[20190071] ; National NaturalScience Foundation of China[31872695]
WOS研究方向Science & Technology - Other Topics ; Engineering ; Environmental Sciences & Ecology
语种英语
出版者ELSEVIER SCI LTD
WOS记录号WOS:000805980900005
资助机构National Natural Science Founda-tion of China ; CAS international collabora-tion program ; Shandong Provincial Natural Science Foundation ; Postdoctoral Science Foun-dation of China ; China International Postdoctoral Exchange Fellowship Program ; National NaturalScience Foundation of China
源URL[http://ir.igsnrr.ac.cn/handle/311030/179393]  
专题生态系统网络观测与模拟院重点实验室_外文论文
作者单位1.Peking Univ, SinoFrench Inst Earth Syst Sci, Beijing 100871, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
3.Southwest Univ, Coll Resources & Environm, Interdisciplinary Res Ctr Agr Green Dev Yangtze R, Chongqing 400715, Peoples R China
4.Southwest Univ, Acad Agr Sci, Chongqing 400715, Peoples R China
5.No Arizona Univ, Ctr Ecosyst Sci & Soc, Flagstaff, AZ 86011 USA
6.Shandong Agr Univ, Coll Resources & Environm, Tai An 271018, Shandong, Peoples R China
7.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China
8.Peking Univ, Coll Urban & Environm Sci, MOE Lab Earth Surface Proc, Beijing 100871, Peoples R China
9.Anhui Agr Univ, Sch Forestry & Landscape Architecture, Hefei 230036, Peoples R China
10.Chinese Acad Sci, Aerosp Informat Res Inst, Key Lab Digital Earth Sci, Beijing 100094, Peoples R China
推荐引用方式
GB/T 7714		 Li, Zhaolei,Zeng, Zhaoqi,Song, Zhaopeng,et al. Variance and main drivers of field nitrous oxide emissions: A global synthesis[J]. JOURNAL OF CLEANER PRODUCTION,2022,353:10.
APA Li, Zhaolei.,Zeng, Zhaoqi.,Song, Zhaopeng.,Tian, Dashuan.,Huang, Xingzhao.,...&Niu, Shuli.(2022).Variance and main drivers of field nitrous oxide emissions: A global synthesis.JOURNAL OF CLEANER PRODUCTION,353,10.
MLA Li, Zhaolei,et al."Variance and main drivers of field nitrous oxide emissions: A global synthesis".JOURNAL OF CLEANER PRODUCTION 353(2022):10.

入库方式： OAI收割

来源：地理科学与资源研究所

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