ArticleScientific reports2025
Subnational heterogeneity in climate-smart agriculture green finance and irrigation efficiency across seven African nations.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
African agriculture faces escalating threats from climate disruptions, resource constraints, and population growth, necessitating innovative approaches to enhance resilience. This study addresses critical gaps in sustainability planning by developing a spatially explicit framework that integrates financial innovation with climate-adaptive practices across seven strategically selected agroecologically diverse African nations. Moving beyond national-scale analyses prone to ecological fallacies, we employ multi-scalar data hierarchies and dynamic econometric modeling to examine how subnational heterogeneity mediates the impacts of green finance and sustainable irrigation on agricultural productivity and climate resilience. Our methodology combines district-level variance indices, enhanced autoregressive distributed lag-error correction models, and heterogeneous cointegration testing to quantify region-specific adaptation pathways. Results demonstrate that the effectiveness of green finance mechanisms and irrigation systems is fundamentally mediated by local environmental, socioeconomic, and gendered contexts. Spatially optimized investment thresholds such as targeted financing for water-stressed regions significantly amplify resilience outcomes, while uniform interventions consistently underperform. The analysis further reveals that rainfall volatility and soil health critically modulate financial returns, highlighting the need for integrated strategies that synchronize technological, ecological, and social dimensions. These insights contribute to continental policy initiatives by demonstrating the critical importance of subnational targeting, advocating for context-driven financial instruments that translate spatial intelligence into targeted actions. By prioritizing hyperlocal vulnerabilities, gender-inclusive finance, and place-based innovations, this research provides a contributing framework and evidence-based insights to enhance climate resilience in diverse African agricultural systems, based on findings from seven strategically selected nations.
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