Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1038/s41893-018-0118-9 |
Recirculation of human-derived nutrients from cities to agriculture across six continents | |
Trimmer, John T.; Guest, Jeremy S. | |
2018-08-01 | |
发表期刊 | NATURE SUSTAINABILITY |
ISSN | 2398-9629 |
出版年 | 2018 |
卷号 | 1期号:8页码:427-435 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | Recovering human-derived nutrients can advance circular economies by linking increasingly urban global populations with local cropland, offsetting unsustainable fertilizer use and improving access in low-income countries. For 56 of the world's largest cities, we analyse co-location of urban nutrients with surrounding agricultural needs (that is, the degree to which recoverable nutrients spatially align with crop demands), defining paths forward to close urban nutrient cycles. Estimated nutrient transport distances, which may constrain what recovery strategies are locally feasible, span two orders of magnitude and are often shorter among European, African and Asian cities due to high local cropland density. We further examine how growing nutrient-intensive crops and recovering highly concentrated nutrient products could impact distance and energy requirements. Broadly, locations with high cropland density, nutrient-intensive crops and compact urban area may find agricultural nutrient reuse particularly impactful and achievable, creating opportunities to boost productivity by coupling urban water and regional agriculture systems. |
领域 | 资源环境 |
收录类别 | SSCI |
WOS记录号 | WOS:000441628900012 |
WOS关键词 | SOURCE-SEPARATED URINE ; WASTE-WATER TREATMENT ; RESOURCE RECOVERY ; DEVELOPMENT GOALS ; FOOD SECURITY ; URBAN ; NITROGEN ; INFRASTRUCTURE ; TECHNOLOGIES ; EXPANSION |
WOS类目 | Green & Sustainable Science & Technology ; Environmental Sciences ; Environmental Studies |
WOS研究方向 | Science & Technology - Other Topics ; Environmental Sciences & Ecology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/289656 |
专题 | 资源环境科学 |
作者单位 | Univ Illinois, Dept Civil & Environm Engn, Urbana, IL 61801 USA |
推荐引用方式 GB/T 7714 | Trimmer, John T.,Guest, Jeremy S.. Recirculation of human-derived nutrients from cities to agriculture across six continents[J]. NATURE SUSTAINABILITY,2018,1(8):427-435. |
APA | Trimmer, John T.,&Guest, Jeremy S..(2018).Recirculation of human-derived nutrients from cities to agriculture across six continents.NATURE SUSTAINABILITY,1(8),427-435. |
MLA | Trimmer, John T.,et al."Recirculation of human-derived nutrients from cities to agriculture across six continents".NATURE SUSTAINABILITY 1.8(2018):427-435. |
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