globalchange  > 气候变化与战略
DOI: 10.1016/j.gloenvcha.2020.102085
论文题名:
Modelling food security: Bridging the gap between the micro and the macro scale
作者: Müller B.; Hoffmann F.; Heckelei T.; Müller C.; Hertel T.W.; Polhill J.G.; van Wijk M.; Achterbosch T.; Alexander P.; Brown C.; Kreuer D.; Ewert F.; Ge J.; Millington J.D.A.; Seppelt R.; Verburg P.H.; Webber H.
刊名: Global Environmental Change
ISSN: 9593780
出版年: 2020
卷: 63
语种: 英语
中文关键词: Agent-based models ; Crop models ; Economic equilibrium models ; Food security ; Land use ; Model integration ; Multi-scale interactions ; Social-ecological feedbacks
英文关键词: food security ; methodology ; modeling ; nutrition
英文摘要: Achieving food and nutrition security for all in a changing and globalized world remains a critical challenge of utmost importance. The development of solutions benefits from insights derived from modelling and simulating the complex interactions of the agri-food system, which range from global to household scales and transcend disciplinary boundaries. A wide range of models based on various methodologies (from food trade equilibrium to agent-based) seek to integrate direct and indirect drivers of change in land use, environment and socio-economic conditions at different scales. However, modelling such interaction poses fundamental challenges, especially for representing non-linear dynamics and adaptive behaviours. We identify key pieces of the fragmented landscape of food security modelling, and organize achievements and gaps into different contextual domains of food security (production, trade, and consumption) at different spatial scales. Building on in-depth reflection on three core issues of food security – volatility, technology, and transformation – we identify methodological challenges and promising strategies for advancement. We emphasize particular requirements related to the multifaceted and multiscale nature of food security. They include the explicit representation of transient dynamics to allow for path dependency and irreversible consequences, and of household heterogeneity to incorporate inequality issues. To illustrate ways forward we provide good practice examples using meta-modelling techniques, non-equilibrium approaches and behavioural-based modelling endeavours. We argue that further integration of different model types is required to better account for both multi-level agency and cross-scale feedbacks within the food system. © 2020 Elsevier Ltd
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被引频次[WOS]:44   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/168213
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作者单位: Department of Ecological Modelling, Helmholtz Centre for Environmental Research – UFZ, Permoserstr. 15, Leipzig, 04318, Germany; Institute for Food and Resource Economics (ILR), University of Bonn, Nußallee 21, Bonn, 53115, Germany; Potsdam Institute for Climate Impact Research (PIK), Member of the Leibniz Association, Telegrafenberg A 31, Potsdam, 14473, Germany; Department of Agricultural Economics, Purdue University, 403 West State Street, West Lafayette, IN 47907, United States; The James Hutton Institute, Craigiebuckler, Aberdeen, AB15 8QH, United Kingdom; International Livestock Research Institute (ILRI), Sustainable Livestock Systems, Nairobi, Kenya; Wageningen Economic Research, Wageningen University & Research, Prinses Beatrixlaan 582, The Hague, BM 2595, Netherlands; School of Geosciences, University of Edinburgh, Grant Institute, King's Buildings, West Mains Road, Edinburgh, EH9 3JW, United Kingdom; Global Academy of Agriculture and Food Security, The Royal (Dick) School of Veterinary Studies, University of Edinburgh, Midlothian, United Kingdom; Institute of Meteorology and Climate Research (IMK-IFU), Karlsruhe Institute of Technology (KIT), Kreuzeckbahnstr. 19, Garmisch-Partenkirchen, 82467, Germany; Leibniz Centre for Agricultural Landscape Research (ZALF), Eberswalder Str. 84, Müncheberg, 15374, Germany; Institute of Crop Science and Resource Conservation (INRES), Katzenburgweg 5, Bonn, 53115, Germany; Department of Geography, King's College London, Bush House (NE) 4.01, 40 Aldwych, London, WC2B 4BG, United Kingdom; Department of Computational Landscape Ecology, Helmholtz Centre for Environmental Research – UFZ, Permoserstr. 15, Leipzig, 04318, Germany; Institute of Geoscience & Geography, Martin-Luther-University Halle-Wittenberg, Germany; Environmental Geography Group, Institute for Environmental Studies, Vrije Universiteit Amsterdam, Amsterdam, Netherlands; School of Geography, University of Leeds, Leeds, LS2 9JT, United Kingdom

Recommended Citation:
Müller B.,Hoffmann F.,Heckelei T.,et al. Modelling food security: Bridging the gap between the micro and the macro scale[J]. Global Environmental Change,2020-01-01,63
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