能源-水-粮食安全关系中的协同效应和权衡:对南非家庭生计复原力的影响

IF 4.9 2区 工程技术 Q2 ENERGY & FUELS
Thulani Ningi , Amon Taruvinga , Leocadia Zhou , Saul Ngarava
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引用次数: 0

摘要

在家庭层面上,能源、水和食物(EWF)安全关系中的协同效应和权衡可以是直接的,也可以是间接的,往往表现为潜意识的后果。然而,目前尚不清楚这些权衡和协同作用如何影响农村家庭的生计复原力。该研究试图评估EWF安全关系权衡和协同效应对农村生计复原力的影响,并以南非的Amathole地区为例进行了研究。对655户家庭进行了横断面研究调查。采用基于感知的最小-最大归一化、生计弹性指数和倾向得分匹配分别分析了EWF安全关联权衡与协同指数、生计弹性,以及权衡与协同对农户生计弹性的影响。大多数家庭在EWF安全关系中经历了更多的权衡,而不是协同效应(33.1%)。此外,相当大比例的家庭表现出较低的生计复原力(42.7%)。此外,在EWF安全关系中获得更高的协同效应而不是权衡,与生计复原力提高28%相关。总之,在EWF安全关系中,Amathole地区的家庭面临的权衡大于协同效应,而经历更大的协同效应可以提高生计复原力。该研究建议通过现代能源获取、降低能源成本、节水技术和交通基础设施等协同干预措施为家庭提供支持,以增强他们应对粮食、能源和水安全挑战的能力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Synergies and trade-offs in the energy-water-food security nexus: Implications for household livelihood resilience in South Africa
Synergies and trade-offs within the energy, water, and food (EWF) security nexus at the household level can be both direct and indirect, often manifesting as subconscious consequences. However, it remains unclear how these trade-offs and synergies shape the livelihood resilience of rural households. The study sought to evaluate the impact of EWF security nexus trade-offs and synergies on rural livelihood resilience, using the Amathole district of South Africa as a case study. A cross-sectional research survey of 655 households was conducted. The perception-based min-max normalisation, livelihood resilience Index and propensity score matching were used to analyse the EWF security nexus trade-offs and synergy index, livelihood resilience, and the impact of trade-offs and synergy on household livelihood resilience, respectively. Most households experienced more trade-offs rather than synergies within the EWF security nexus (33.1 %). Additionally, a significant proportion of households demonstrated low livelihood resilience (42.7 %). Furthermore, experiencing higher synergies than trade-offs in the EWF security nexus is associated with a 28 % increase in livelihood resilience. In conclusion, households in the Amathole district face more trade-offs than synergies within the EWF security nexus, and experiencing greater synergies improves livelihood resilience. The study recommends supporting households with synergistic interventions such as modern energy access, reduced energy costs, water-saving techniques, and transportation infrastructure to enhance their capacity to address food, energy and water security challenges.
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来源期刊
Energy for Sustainable Development
Energy for Sustainable Development ENERGY & FUELS-ENERGY & FUELS
CiteScore
8.10
自引率
9.10%
发文量
187
审稿时长
6-12 weeks
期刊介绍: Published on behalf of the International Energy Initiative, Energy for Sustainable Development is the journal for decision makers, managers, consultants, policy makers, planners and researchers in both government and non-government organizations. It publishes original research and reviews about energy in developing countries, sustainable development, energy resources, technologies, policies and interactions.
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