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通过气候适应计划提高小农的生产力和生活质量:巴西塞特奥的经验。

Improving production and quality of life for smallholder farmers through a climate resilience program: An experience in the Brazilian Sertão.

机构信息

Center for Applied Economics, Agricultural and Environmental Research, University of Campinas, Rua Pitagoras, Brazil.

School of Global Policy and Strategy, University of California, San Diego, La Jolla, CA, United States of America.

出版信息

PLoS One. 2021 May 21;16(5):e0251531. doi: 10.1371/journal.pone.0251531. eCollection 2021.

Abstract

We use a combination of economic and wellbeing metrics to evaluate the impacts of a climate resilience program designed for family farmers in the semiarid region of Brazil. Most family farmers in the region are on the verge of income and food insufficiency, both of which are exacerbated in prolonged periods of droughts. The program assisted farmers in their milk and sheepmeat production, implementing a set of climate-smart production practices and locally-adapted technologies. We find that the program under evaluation had substantive and significant impacts on production practices, land management, and quality of life in general, using several different quasi-experimental strategies to estimate the average treatment effect on the treated farmers. We highlight the strengths and limitations of each evaluation strategy and how the set of analyses and outcome indicators complement each other. The evaluation provides valuable insights into the economic and environmental sustainability of family farming in semiarid regions, which are under growing pressure from climate change and environmental degradation worldwide.

摘要

我们使用经济和福利指标的组合来评估为巴西半干旱地区的家庭农民设计的气候适应力计划的影响。该地区的大多数家庭农民都处于收入和粮食不足的边缘,而在长时间的干旱中,这两种情况都会恶化。该计划帮助农民进行牛奶和羊肉生产,实施了一系列气候智能型生产实践和适应当地的技术。我们发现,使用几种不同的准实验策略来估计对受治疗农民的平均处理效应,评估中的计划对生产实践、土地管理和总体生活质量产生了实质性和重大影响。我们强调了每种评估策略的优势和局限性,以及分析和结果指标集如何相互补充。该评估为气候变化和环境退化给全球带来的日益增长的压力下的半干旱地区家庭农业的经济和环境可持续性提供了有价值的见解。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4a88/8139507/11f09fa089bb/pone.0251531.g001.jpg

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