Increased nitrogen enrichment and shifted patterns in the world's grassland: 1860-2016

CORC > 生态环境研究中心 > 中国科学院生态环境研究中心 > 城市与区域生态国家重点实验室

	Increased nitrogen enrichment and shifted patterns in the world's grassland: 1860-2016
	Xu, Rongting ; Tian, Hanqin ; Pan, Shufen ; Dangal, Shree R. S.; Chen, Jian ; Chang, Jinfeng ; Lu, Yonglong ; Skiba, Ute Maria ; Tubiello, Francesco N.; Zhang, Bowen
刊名	EARTH SYSTEM SCIENCE DATA
	2019-02-01
卷号	11 期号:1 页码:175-187
ISSN号	1866-3508
英文摘要	Production and application to soils of manure excreta from livestock farming significantly perturb the global nutrient balance and result in significant greenhouse gas emissions that warm the earth's climate. Despite much attention paid to synthetic nitrogen (N) fertilizer and manure N applications to croplands, spatially explicit, continuous time-series datasets of manure and fertilizer N inputs on pastures and rangelands are lacking. We developed three global gridded datasets at a resolution of 0.5 degrees x 0.5 degrees for the period 1860-2016 (i.e., annual manure N deposition (by grazing animals) rate, synthetic N fertilizer and N manure application rates), by combining annual and 5 arcmin spatial data on pastures and rangelands with country-level statistics on livestock manure, mineral and chemical fertilizers, and land use information for cropland and permanent meadows and pastures. Based on the new data products, we estimated that total N inputs, the sum of manure N deposition, manure N application and fertilizer N application to pastures and rangelands, increased globally from 15 to 101 Tg N yr(-1) during 1860-2016. In particular during the period 2000-2016, livestock manure N deposition accounted for 83 % of the total N inputs, whereas manure and fertilizer N application accounted 9 % and 8 %, respectively. At the regional scale, hotspots of manure N deposition remained largely similar during the period 1860-2016 (i.e., southern Asia, Africa and South America); however, hotspots of manure and fertilizer N application shifted from Europe to southern Asia in the early 21st century. The new three global datasets contribute to the filling of the previous data gaps of global and regional N inputs in pastures and rangelands, improving the abilities of ecosystem and earth system models to investigate the global impacts of N enrichment due to agriculture, in terms of associated greenhouse gas emissions and environmental sustainability issues. Datasets are available at https://doi.org/10.1594/PANGAEA.892940.
内容类型	期刊论文
源URL	[http://ir.rcees.ac.cn/handle/311016/42855]
专题	生态环境研究中心_城市与区域生态国家重点实验室
作者单位	1.Auburn Univ, Sch Forestry & Wildlife Sci, Auburn, AL 36849 USA 2.Auburn Univ, Dept Comp Sci & Software Engn, Samuel Ginn Coll Engn, Auburn, AL 36849 USA 3.Woods Hole Res Ctr, Falmouth, MA 02540 USA 4.Chinese Acad Sci, State Key Lab Urban & Reg Ecol, Ecoenvironm Sci Res Ctr, Beijing 100085, Peoples R China 5.Auburn Univ, Int Ctr Climate & Global Change Res, Auburn, AL 36849 USA
推荐引用方式 GB/T 7714	Xu, Rongting,Tian, Hanqin,Pan, Shufen,et al. Increased nitrogen enrichment and shifted patterns in the world's grassland: 1860-2016[J]. EARTH SYSTEM SCIENCE DATA,2019,11(1):175-187.
APA	Xu, Rongting.,Tian, Hanqin.,Pan, Shufen.,Dangal, Shree R. S..,Chen, Jian.,...&Zhang, Bowen.(2019).Increased nitrogen enrichment and shifted patterns in the world's grassland: 1860-2016.EARTH SYSTEM SCIENCE DATA,11(1),175-187.
MLA	Xu, Rongting,et al."Increased nitrogen enrichment and shifted patterns in the world's grassland: 1860-2016".EARTH SYSTEM SCIENCE DATA 11.1(2019):175-187.