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Toward sustainable management of phosphorus flows in a changing rural–urban environment: recent advances, challenges, and opportunities
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Architecture and Water. College of Resources and Environmental Sciences, China Agricultural University, Beijing, PR China.
Fertilisation and Soil Matter Dynamics (340i), Institute of Crop Science, University of Hohenheim, Stuttgart, Germany.
Environmental Technology Group, Wageningen University & Research, The Netherlands.
2019 (English)In: Current Opinion in Environmental Sustainability, ISSN 1877-3435, E-ISSN 1877-3443, Vol. 40, p. 81-87Article in journal (Refereed) Published
Abstract [en]

While food is mainly produced in rural areas, the main drivers of consumption are urban environments. The increasing demand for food in cities leads to an accumulation of phosphorus (P) in urban environments, which affects P flows at multiple scales. This study reviewed recent advances, challenges, and opportunities for sustainable management of P flows in decoupled rural–urban environments. We discussed recent advances in Substance Flow Analysis (SFA) that enable the characterization of P flows in rural–urban environments and illustrate how urban consumption affects rural food production systems. Most challenges of SFA are associated with the (1) spatial decoupling of food production in rural areas and food consumption in urban systems at multiple scales, (2) temporal implications of substance flows on system analysis, and (3) increasing complexity of resource flows in rural–urban environments. We identified three main opportunities for future research on sustainable management of P flows. These opportunities lie in linking urban and rural SFA through multi-scale analysis, increasing both spatial and temporal resolution of P flows within various environments and identifying how linking urban to rural environments can reduce pressure on primary production systems. Also, we highlighted that methodological development on high-resolution SFA at multiple scales is needed to close P cycles between rural and urban systems and to allow the development of future, sustainable P management systems in the anthropogenic food production chain.

Place, publisher, year, edition, pages
Elsevier, 2019. Vol. 40, p. 81-87
National Category
Water Engineering
Research subject
Urban Water Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-76779DOI: 10.1016/j.cosust.2019.09.012ISI: 000501560600012Scopus ID: 2-s2.0-85074258726OAI: oai:DiVA.org:ltu-76779DiVA, id: diva2:1371500
Note

Validerad;2019;Nivå 2;2019-11-20 (johcin)

Available from: 2019-11-20 Created: 2019-11-20 Last updated: 2020-02-25Bibliographically approved

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Wu, Jiechen

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