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The rapid global rise of agricultural drones: Evidence, drivers, impacts and an agenda for future research 农业无人机在全球迅速崛起:证据、驱动因素、影响和未来研究议程
IF 9.6 1区 经济学 Q1 FOOD SCIENCE & TECHNOLOGY Pub Date : 2025-12-09 DOI: 10.1016/j.gfs.2025.100897
Ben Belton , Leo Baldiga , Scott Justice , Bart Minten , Sudha Narayanan , Thomas Reardon
Agriculture is undergoing a new revolution. Technological advances allow drones to perform multiple tasks, including spraying crop protectants, spreading fertilizers, sowing seeds and surveying fields. Use of agricultural drones is growing extremely rapidly, particularly in Asia and Latin America, but has received little attention because it has happened so quickly. This revolution is significant because drones have the potential to enhance agricultural sustainability and reduce health risks by applying inputs more efficiently and safely than conventional methods. Drones also have the potential to raise agricultural productivity and farm incomes, overcome labor scarcity, and support rural livelihoods. But they create tradeoffs, including new environmental and social externalities, and dilemmas around technological sovereignty and data privacy. Prior academic literature on agricultural drones has been largely technical. We review prior literature and diverse non-academic secondary sources to track the extent and characteristics of global agricultural drone diffusion, providing estimates of numbers of agricultural drones in 10 major agricultural producer countries. We analyze drivers of drone diffusion, including technological innovation, falling costs, outsourcing services, and favorable policy environments, and explore emerging evidence of the impacts of drones on farm labor, agricultural efficiency, productivity, and profitability, and occupational health. The paper concludes by setting out an agenda for applied transdisciplinary research on the sustainability and food security impacts of agricultural drones.
农业正在经历一场新的革命。技术进步使无人机能够执行多种任务,包括喷洒作物保护剂、施肥、播种和测量田地。农业无人机的使用正以极快的速度增长,尤其是在亚洲和拉丁美洲,但由于发展速度太快,很少受到关注。这场革命意义重大,因为无人机有可能提高农业的可持续性,并通过比传统方法更有效、更安全地使用投入物来降低健康风险。无人机还具有提高农业生产率和农业收入、克服劳动力短缺和支持农村生计的潜力。但它们造成了权衡,包括新的环境和社会外部性,以及围绕技术主权和数据隐私的困境。之前关于农业无人机的学术文献大多是技术性的。我们回顾了先前的文献和各种非学术二手资料,以跟踪全球农业无人机扩散的程度和特征,并提供了10个主要农业生产国农业无人机数量的估计。我们分析了无人机扩散的驱动因素,包括技术创新、成本下降、外包服务和有利的政策环境,并探索了无人机对农业劳动力、农业效率、生产力、盈利能力和职业健康影响的新证据。论文最后提出了农业无人机可持续性和粮食安全影响的应用跨学科研究议程。
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引用次数: 0
Food System Policies: A global snapshot from the Food System Policy Database 粮食系统政策:来自粮食系统政策数据库的全球快照
IF 9.6 1区 经济学 Q1 FOOD SCIENCE & TECHNOLOGY Pub Date : 2025-12-01 DOI: 10.1016/j.gfs.2025.100894
Sarah K. Lowder , Caterina Ruggeri Laderchi , Nicola Cerutti , Kelly Parsons
The academic as well as the international community has recognized the need to transform food systems and the importance of government policies in achieving that goal. However, there is no single source of information on all food system related policies that might provide a description of what countries are currently doing. As a first step, this article describes what types of policies are in place throughout the world, highlighting patterns across countries at different income levels. The article draws on a new resource, the Food System Policy Database (FSPD), which for the first time compiles and systematizes existing global databases on government policies impacting the food system. The article presents key findings. For instance, most food system specific policies are concentrated at the producer end or at the consumer end of food systems. The segments that are least regulated by specific food system government policies are toward the middle of the value chain (eg. processing, retail, and food service). Additionally, producer subsidies are by far the most widespread type of policy lever. Countries nevertheless rely on a variety of tools, with a majority of countries also using trade policies, regulations and policies to provide information to consumers about food. The article concludes by recognizing limitations of the data and how those might be addressed going forward.
学术界和国际社会已经认识到改变粮食系统的必要性以及政府政策在实现这一目标方面的重要性。然而,没有单一的粮食系统相关政策信息来源可以描述各国目前正在做的事情。作为第一步,本文描述了世界各地正在实施的政策类型,强调了不同收入水平的国家之间的模式。本文利用了一个新的资源,即粮食系统政策数据库(FSPD),该数据库首次汇编和系统化了影响粮食系统的政府政策的现有全球数据库。这篇文章提出了一些重要的发现。例如,大多数粮食系统具体政策集中在粮食系统的生产者端或消费者端。受具体食品系统政府政策监管最少的部分是价值链的中间部分(例如。加工、零售和食品服务)。此外,生产者补贴是迄今为止最普遍的一种政策手段。然而,各国依靠各种工具,大多数国家还利用贸易政策、法规和政策向消费者提供有关食品的信息。本文最后承认了数据的局限性,以及如何解决这些局限性。
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引用次数: 0
Gender Inequalities in Agrifood Systems: An overview of the state of research 农业粮食系统中的性别不平等:研究现状概述
IF 9.6 1区 经济学 Q1 FOOD SCIENCE & TECHNOLOGY Pub Date : 2025-12-01 DOI: 10.1016/j.gfs.2025.100892
Lauren Phillips , Agnes Quisumbing , Vanya Slavchevska , Benjamin Davis , Talip Kilic , Erdgin Mane
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引用次数: 0
Food insecurity across age: Evidence from a global study 跨年龄的粮食不安全:来自一项全球研究的证据
IF 9.6 1区 经济学 Q1 FOOD SCIENCE & TECHNOLOGY Pub Date : 2025-12-01 DOI: 10.1016/j.gfs.2025.100891
David Leblang , Michael D. Smith , Dennis Wesselbaum
Food insecurity, which affects access to safe and nutritious food, has significant implications for health and well-being. This issue has worsened in recent years, driven by factors like the COVID-19 pandemic and geopolitical instability. This study examines food insecurity across three age groups – adolescents, adults, and older adults – using data from the Gallup World Poll for 132 countries, based on surveys of >390,000 individuals. The research, which uses the Food Insecurity Experience Scale (FIES), finds that food insecurity is highest among adolescents, with a notable increase in their vulnerability over recent years. Socioeconomic factors such as income, education, and health issues, along with social capital, also play a key role in influencing food insecurity. Additionally, interpersonal inequality is more pronounced among immigrants and individuals with high levels of trust but low social support. These findings underline the need for targeted policies that address the specific needs of different age groups, especially adolescents, to reduce food insecurity and its related impacts on health and development.
粮食不安全影响到获得安全和营养食物的机会,对健康和福祉产生重大影响。近年来,受新冠疫情和地缘政治不稳定等因素影响,这一问题进一步恶化。本研究利用盖洛普世界民意调查在132个国家对39万人进行的调查数据,考察了青少年、成年人和老年人这三个年龄组的粮食不安全状况。这项使用粮食不安全体验量表(FIES)的研究发现,青少年的粮食不安全状况最为严重,近年来他们的脆弱性显著增加。收入、教育和健康问题等社会经济因素以及社会资本在影响粮食不安全方面也发挥着关键作用。此外,人际不平等在移民和高信任但低社会支持的个人中更为明显。这些调查结果强调需要制定有针对性的政策,满足不同年龄组,特别是青少年的具体需求,以减少粮食不安全及其对健康和发展的相关影响。
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引用次数: 0
Water-saving driven crop reallocation reduces irrigation energy demand in the mediterranean 节水驱动的作物再分配减少了地中海地区的灌溉能源需求
IF 9.6 1区 经济学 Q1 FOOD SCIENCE & TECHNOLOGY Pub Date : 2025-12-01 DOI: 10.1016/j.gfs.2025.100886
Davide Danilo Chiarelli , Harsh Nanesha , Martina Sardo , Athanasios Ragkos , Maria Cristina Rulli
Global food insecurity currently affects over 30 % of the world's population, highlighting the need to understand how agricultural systems can be optimized to reduce resource pressures while maintaining productivity. Irrigation is critical for crop production in semi-arid and arid regions such as the Mediterranean, yet it accounts for substantial freshwater use and energy consumption, with associated environmental impacts. In this study, we assess the impacts of crop reallocation on irrigation water, energy demand, and direct CO2 emissions across the Mediterranean. Using a spatially explicit optimization framework integrated with hydrological modelling, we evaluate 32 crops grouped into nine categories, explicitly accounting for irrigation water sources and methods. Our results indicate that optimized crop distributions could reduce irrigation water demand by up to 80 % (70 km3/year), lower energy requirements by up to 85 % (72 × 106 GJ/year), and cut direct CO2 emissions by up to 84 %, without reducing overall food production. Beyond resource savings, we explore the economic and social implications of crop reallocation, noting that less water-intensive crops may be less profitable or culturally less accepted, underscoring the need for supportive policies and incentives. The framework is adaptable to other water-stressed regions, enabling the assessment of trade-offs between water, energy, and carbon under locally specific conditions. By providing a quantitative evaluation of the potential environmental and resource impacts of alternative cropping strategies, this study offers a robust tool for understanding how agricultural systems can be managed to improve sustainability, resilience, and resource efficiency under climate and water constraints.
全球粮食不安全目前影响着世界30%以上的人口,这突出表明需要了解如何优化农业系统,以在保持生产力的同时减少资源压力。灌溉对地中海等半干旱和干旱地区的作物生产至关重要,但它占用了大量淡水和能源消耗,并产生了相关的环境影响。在本研究中,我们评估了作物重新分配对整个地中海地区灌溉水、能源需求和直接二氧化碳排放的影响。利用空间显式优化框架与水文建模相结合,我们评估了32种作物,分为9类,明确地考虑了灌溉水源和方法。我们的研究结果表明,优化的作物分布可以在不减少粮食总产量的情况下,减少高达80% (70 km3/年)的灌溉用水需求,降低高达85% (72 × 106 GJ/年)的能源需求,并减少高达84%的直接二氧化碳排放。除了节约资源,我们还探讨了作物重新分配的经济和社会影响,指出用水量较低的作物可能利润较低或在文化上不被接受,强调需要支持性政策和激励措施。该框架适用于其他水资源紧张地区,能够在当地特定条件下评估水、能源和碳之间的权衡。通过对替代种植策略的潜在环境和资源影响进行定量评估,本研究为了解在气候和水资源限制下如何管理农业系统以提高可持续性、恢复力和资源效率提供了一个强有力的工具。
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引用次数: 0
Road networks and food price volatility 道路网络和粮食价格波动
IF 9.6 1区 经济学 Q1 FOOD SCIENCE & TECHNOLOGY Pub Date : 2025-12-01 DOI: 10.1016/j.gfs.2025.100884
Lixia H. Lambert , John P. Schoeneman Jr. , Dayton M. Lambert , Marten W. Brienen
Understanding and mitigating the spatial and temporal volatility of agricultural commodity prices remains a critical yet challenging task. Fluctuations in food and agricultural commodity prices exacerbate food insecurity and impact farmers worldwide. This research examines the impact of road network measures on the volatility of agricultural commodity prices. We utilized monthly price data from the FAO Food Price Monitoring and Analysis Tool, which encompasses 236 markets across 60 countries, for eight food groups comprising 36 commodity categories, from 2015 to 2023. For each market, we constructed road network measures, including road density, closeness centrality, and betweenness centrality, using data from the Global Roads Inventory Project and a 2015 population density raster, both gridded at 2.5 arcminutes. The regression results show that markets located near denser, better-connected road networks tend to exhibit lower food price volatility. However, the local advantages of road networks on price stability vary significantly depending on the food group and specific network measures: bread and oil markets tend to be destabilized by centralization, while beans and vegetables are stabilized. No consistent or statistically significant effects are observed for grains, roots, or animal food groups across all network centrality measures. Findings highlight the complex and heterogeneous relationship between transportation infrastructure and food price volatility, as well as the need for regionally and commodity specific infrastructure policies to mitigate food price volatility.
了解和减轻农产品价格的时空波动仍然是一项关键而具有挑战性的任务。粮食和农产品价格的波动加剧了粮食不安全,并影响到全世界的农民。本研究探讨道路网络措施对农产品价格波动的影响。我们使用了粮农组织食品价格监测和分析工具的月度价格数据,该工具涵盖60个国家的236个市场,涵盖8个食品类别,包括36个商品类别,从2015年到2023年。对于每个市场,我们使用来自全球道路清单项目和2015年人口密度光栅的数据构建了道路网络测量,包括道路密度、接近中心性和中间中心性,两者的网格均为2.5弧分。回归结果表明,位于密集、连接良好的道路网络附近的市场往往表现出更低的粮食价格波动。然而,道路网络对价格稳定的地方优势因食品类别和具体网络措施的不同而有很大差异:面包和油市场往往因集中而不稳定,而豆类和蔬菜则稳定。在所有网络中心性测量中,没有观察到谷物、根茎类或动物性食物组的一致或统计上显著的影响。研究结果强调了运输基础设施与粮食价格波动之间的复杂和异质性关系,以及制定针对特定区域和商品的基础设施政策以减轻粮食价格波动的必要性。
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引用次数: 0
Physical understanding of food systems towards sustainability with material flow analysis: A critical review 通过物质流分析对食品系统的可持续性的物理理解:一个重要的回顾
IF 9.6 1区 经济学 Q1 FOOD SCIENCE & TECHNOLOGY Pub Date : 2025-12-01 DOI: 10.1016/j.gfs.2025.100896
Zhuang Qian , Wu Chen , Li Xue , Andrea Adelmo Della Penna , Jeanine Ammann , Carole Liechti , Dario Dongo , Gang Liu
Transforming food systems is essential for global sustainability and requires understanding from both socioeconomic and physical dimensions. However, sustainable food systems literature is largely dominated by socioeconomic dimension, while physical understanding of food systems remains limited. Such physical characterisation is often done using material flow analysis (MFA) to explore and quantify flows from farm to fork. This quantification translates food system dynamics into comparable and transparent metrics, making MFA a crucial tool in driving an efficient transformation. Here, using a critical literature review, we analysed 127 agrifood MFA studies on their systems, data, and indicators. We characterized food supply chain into five stages (primary production, processing and manufacturing, trade, distribution and retailing, and public and household consumption) and found very few covered all stages (16 studies). Among all stages, primary production was the most studied (99 studies), while distribution and retailing was the least studied (33 studies). Existing studies covered 12 food categories, primarily focusing on cereals (52 %), vegetables (46 %), and meats (43 %), with less attention on dairy products (34 %). Only 34 studies have a single food category resolution, while most aggregated multiple categories together. We found that over half of agrifood MFAs used data only from secondary sources (e.g., statistics), whereas less than 20 % used exclusively primary data. Agrifood MFAs commonly used indicators of substance, food, and bio-nutrient to quantify biomass associated flows, informing key food systems issues like nutrient circularity and waste management. Accordingly, we call for research on full chain MFAs, single food category analyses, and the use of more targeted datasets.
粮食系统转型对全球可持续性至关重要,需要从社会经济和物质两方面进行理解。然而,可持续粮食系统的文献在很大程度上是由社会经济维度主导的,而对粮食系统的物理理解仍然有限。这种物理特征通常使用物料流分析(MFA)来探索和量化从农场到餐桌的流动。这种量化将粮食系统动态转化为可比较和透明的指标,使MFA成为推动有效转型的关键工具。本文通过文献综述,分析了127项农业食品MFA研究的系统、数据和指标。我们将食品供应链分为五个阶段(初级生产、加工和制造、贸易、分销和零售以及公共和家庭消费),发现很少有研究涵盖所有阶段(16项研究)。在所有阶段中,对初级生产的研究最多(99项研究),对分销和零售的研究最少(33项研究)。现有的研究涵盖了12种食物类别,主要集中在谷物(52% %)、蔬菜(46% %)和肉类(43% %),较少关注乳制品(34% %)。只有34项研究有单一的食物类别,而大多数研究将多个类别合并在一起。我们发现,超过一半的农业食品MFAs仅使用二手来源的数据(例如统计数据),而不到20% %的MFAs完全使用原始数据。农业食品MFAs通常使用物质、食品和生物营养素指标来量化与生物质相关的流动,为营养循环和废物管理等关键粮食系统问题提供信息。因此,我们呼吁研究全链mfa,单一食品类别分析,并使用更有针对性的数据集。
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引用次数: 0
The protein transition into context – the impact of dietary shifts in different countries on nutritional adequacy of diets 蛋白质过渡到上下文-不同国家的饮食变化对饮食营养充足性的影响
IF 9.6 1区 经济学 Q1 FOOD SCIENCE & TECHNOLOGY Pub Date : 2025-12-01 DOI: 10.1016/j.gfs.2025.100895
R.P.M. Cardinaals , G. Bubnyte , T. Huppertz
The term ‘protein transition’ is used to address a dietary shift from animal-source foods (ASF) to plant-source foods (PSF). This indirectly implies a focus on protein as the main nutrient of concern to reduce food-related pressures on the environment and tackle unhealthy diets. In a Western context, there is growing consensus that a protein transition is indeed favorable but it can be misinterpreted as a uniform solution, and specificity for low- and middle-income countries (LMIC) are lacking. This study examined the nutritional implications of replacing currently consumed ASF with PSF to achieve diets that align with the protein transition, for low-, middle- and high-income countries. Using data from dietary surveys as a starting point, we stepwise replaced currently consumed ASF with currently consumed PSF to either meet current energy intake, or current total protein intake. The results show that substituting ASF either increased the nutrient adequacy gaps for eight out of nine studied nutrients when maintaining current energy intake, or largely increased energy intake when maintaining current total protein intake. More importantly, nutrient adequacy of current and alternative diets showed large variability among countries, age- and gender groups, while culturally specific (animal-source) foods were an important source of nutrients. There is no uniform solution for sustainable healthy diets, and rather research in this area should consider nutritional needs of the target population and culture specific food habits.
“蛋白质转化”一词用于描述从动物源食品(ASF)到植物源食品(PSF)的饮食转变。这间接意味着要把重点放在蛋白质这一主要营养素上,以减少与食物有关的环境压力和解决不健康饮食问题。在西方,越来越多的人认为蛋白质转化确实是有利的,但它可能被误解为一种统一的解决方案,并且缺乏针对低收入和中等收入国家(LMIC)的特异性。本研究调查了在低收入、中等收入和高收入国家,用PSF取代目前食用的ASF以实现与蛋白质过渡相一致的饮食的营养意义。以饮食调查数据为起点,我们逐步将当前消耗的ASF替换为当前消耗的PSF,以满足当前的能量摄入或当前的总蛋白质摄入量。结果表明,在维持当前能量摄入量的情况下,替代ASF增加了9种研究营养素中8种的营养充足性缺口,或者在维持当前总蛋白质摄入量的情况下,大大增加了能量摄入量。更重要的是,当前和替代饮食的营养充足性在国家、年龄和性别群体之间存在很大差异,而具有文化特异性(动物源)的食物是重要的营养来源。可持续健康饮食没有统一的解决方案,这一领域的研究应考虑目标人群的营养需求和文化特定的饮食习惯。
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引用次数: 0
Assessing the impact of hydrological extremes on food security from post-disaster reporting 通过灾后报告评估水文极端事件对粮食安全的影响
IF 9.6 1区 经济学 Q1 FOOD SCIENCE & TECHNOLOGY Pub Date : 2025-12-01 DOI: 10.1016/j.gfs.2025.100889
Nikolas Galli, Camilla Govoni, Maria Cristina Rulli
Climate change can potentially drive variations in the frequency and magnitude of hydrological extremes, and in turn, the impact these events have on agriculture. Agricultural damage resulting from extreme events can significantly affect food security at multiple scales, especially in contexts where pre-existing unfavorable social and economic conditions already hinder the stability and the effectiveness of the food supply chain. In these contexts, formulating approaches to directly quantify food security impacts of extreme events in a way that is compatible with local data availability, but at the same time reliable and transparent, becomes a crucial and urgent matter. Moreover, while the importance of the multifaceted repercussions of agricultural damage on food security has been highlighted in the current literature, investigations on impacts other than reduced crop availability remain understudied. Here, we propose a methodology to derive metrics of food availability, access, and utilization impacts from post-disaster assessments, by putting the affected communities at the core of the analysis, providing perspectives on food stability impacts. We apply the methodology to the severe floods that affected Malawi in the early months of 2015. We find that agricultural losses correspond to food sufficient for feeding more than 300,000 people and for balancing the diet of almost 2.3 million. Food security impacts also appear to disproportionately hit poorer and less food-secure districts. Despite necessary simplifications and associated limitations, the proposed methodology is easily replicable in other post-disaster contexts, allowing to provide more insightful information to policy and practice aimed at post-disaster food security management and restoration.
气候变化可能会导致极端水文事件发生的频率和程度发生变化,进而影响这些事件对农业的影响。极端事件造成的农业破坏可以在多个层面上严重影响粮食安全,特别是在先前不利的社会和经济条件已经阻碍粮食供应链的稳定性和有效性的情况下。在这种情况下,制定方法,直接量化极端事件对粮食安全的影响,既要与当地可用数据兼容,又要可靠和透明,这是一项至关重要和紧迫的任务。此外,虽然目前的文献强调了农业破坏对粮食安全的多方面影响的重要性,但对作物产量减少以外的影响的调查仍未得到充分研究。在这里,我们提出了一种方法,通过将受影响社区置于分析的核心,从粮食稳定性影响的角度出发,从灾后评估中得出粮食供应、获取和利用影响的指标。我们将该方法应用于2015年初影响马拉维的严重洪水。我们发现,农业损失相当于足以养活30多万人和平衡近230万人饮食的粮食。粮食安全的影响似乎也不成比例地打击了较贫穷和粮食不安全的地区。尽管有必要的简化和相关的限制,所提出的方法很容易在其他灾后情况下复制,从而为旨在灾后粮食安全管理和恢复的政策和实践提供更有见地的信息。
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引用次数: 0
Conceptualizing circularity in urban food systems: A scoping review 概念化循环在城市粮食系统:范围审查
IF 9.6 1区 经济学 Q1 FOOD SCIENCE & TECHNOLOGY Pub Date : 2025-12-01 DOI: 10.1016/j.gfs.2025.100893
Emily Olsson
Circularity in urban food systems is increasingly recognized as a promising approach to improve sustainability by reducing waste and closing resource loops. Using a structured search and selection process, 89 peer-reviewed articles were identified and analyzed to determine current research trends, geographic focus, disciplinary backgrounds, methodological approaches, as well as potential benefits and risks. The review revealed that research on circular urban food systems (CUFS) is dominated by environmental and technical studies, particularly in the Global North, with a strong focus on urban agricultural production and waste re-use/valorization. However, the midstream portions of the food value chain (processing, distribution, retail, and consumption) are significantly underexplored, representing a critical gap. Geographically, there is an imbalance in the research, with the majority of studies concentrating on European cities, while fewer studies focus on the Global South. The social and economic dimensions of CUFS, including food security, market development, and livelihood improvements, remain underrepresented, highlighting the need for more interdisciplinary research and frameworks that integrate these aspects. Furthermore, potential risks related to health and safety, governance, and logistical challenges in CUFS have been insufficiently examined. The findings suggest that while CUFS holds great potential for contributing to sustainability, there is a need for more comprehensive and context-sensitive research. Expanding the scope of studies to include social and economic outcomes, addressing the midstream value chain, and focusing on underrepresented regions are essential to fully realize the potential benefits of circular urban food systems for sustainable development.
城市粮食系统的循环越来越被认为是通过减少浪费和关闭资源循环来提高可持续性的一种有希望的方法。通过结构化的检索和选择过程,对89篇同行评议文章进行了识别和分析,以确定当前的研究趋势、地理重点、学科背景、方法方法以及潜在的利益和风险。审查表明,关于城市循环粮食系统的研究主要是环境和技术研究,特别是在全球北方,重点是城市农业生产和废物再利用/增值。然而,食品价值链的中游部分(加工、分销、零售和消费)尚未得到充分开发,这是一个严重的缺口。在地理上,研究存在不平衡,大多数研究集中在欧洲城市,而很少有研究关注全球南方。CUFS的社会和经济层面,包括粮食安全、市场开发和改善生计,仍然没有得到充分的体现,这突出表明需要更多的跨学科研究和整合这些方面的框架。此外,尚未充分审查与卫生和安全、治理和后勤挑战有关的潜在风险。研究结果表明,虽然CUFS在促进可持续性方面具有巨大潜力,但仍需要进行更全面和对环境敏感的研究。扩大研究范围以包括社会和经济成果,解决价值链中游问题,并关注代表性不足的地区,对于充分实现城市循环粮食系统对可持续发展的潜在效益至关重要。
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