气候变化领域集成服务门户(CCPortal): Reactive nitrogen spatial intensity (NrSI): A new indicator for environmental sustainability

CCPortal

DOI	10.1016/j.gloenvcha.2018.06.001
	Reactive nitrogen spatial intensity (NrSI): A new indicator for environmental sustainability
	Liang X.; Lam S.K.; Gu B.; Galloway J.N.; Leach A.M.; Chen D.
发表日期	2018
ISSN	0959-3780
起始页码	101
结束页码	107
卷号	52
英文摘要	Nitrogen (N) footprints quantify the anthropogenic release of reactive nitrogen (Nr) from resource consumption, but do not connect to the resulting environmental impacts. Australia has the largest measured N footprint, but is generally perceived as a “green and clean” country. To explore this discrepancy, we developed an indicator, Nr spatial intensity (NrSI) that estimates the intensity of the Nr loss on a per area basis. The system boundary of the N footprint is any resource consumption by an entity, regardless of where the Nr is released. In contrast, the NrSI framework maps the geographical locations of anthropogenic Nr losses. We found that the pattern of NrSI among nations was very different from that of their N footprint. Factors that affect the comparison include land area, population density, and the import and export of food. Australia had the lowest NrSI (6 kg N ha−1 yr−1) while the Netherlands had the highest NrSI (217 kg N ha−1 yr−1) of the seven nations studied. In concert with the N footprint, the NrSI could be used as a benchmark for assessing the environmental pressure from Nr in a nation and for setting priorities of mitigating Nr pollution to help achieve the Sustainable Development Goals by 2030. © 2018 Elsevier Ltd
英文关键词	Land use; Nitrogen footprints; Reactive nitrogen; Spatial intensity; Sustainable development
学科领域	anthropogenic effect; ecological footprint; environmental impact; environmental indicator; land use change; nitrogen; pollution control; reactive transport; resource use; spatial analysis; sustainability; sustainable development; Australia; Netherlands
语种	英语
scopus关键词	anthropogenic effect; ecological footprint; environmental impact; environmental indicator; land use change; nitrogen; pollution control; reactive transport; resource use; spatial analysis; sustainability; sustainable development; Australia; Netherlands
来源期刊	Global Environmental change
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/117111
作者单位	School of Agriculture and Food, The University of Melbourne, Victoria, 3010, Australia; Department of Land Management, Zhejiang University, Hangzhou, 310058, China; Department of Environmental Sciences, University of Virginia, Charlottesville, VA 22904, United States; Department of Natural Resources & Earth Systems Science and The Sustainability Institute, University of New Hampshire, Durham, NH 03824, United States
推荐引用方式 GB/T 7714	Liang X.,Lam S.K.,Gu B.,et al. Reactive nitrogen spatial intensity (NrSI): A new indicator for environmental sustainability[J],2018,52.
APA	Liang X.,Lam S.K.,Gu B.,Galloway J.N.,Leach A.M.,&Chen D..(2018).Reactive nitrogen spatial intensity (NrSI): A new indicator for environmental sustainability.Global Environmental change,52.
MLA	Liang X.,et al."Reactive nitrogen spatial intensity (NrSI): A new indicator for environmental sustainability".Global Environmental change 52(2018).