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サブサハラ・アフリカにおける気候変動適応への水・エネルギー・食料ネクサス・アプローチ：統合資源管理実践からのエビデンス・マッピング

Water–Energy–Food Nexus Approaches to Climate Change Adaptation in Sub-Saharan Africa: Mapping Evidence from Integrated Resource Management Practices (原題)

Adetomiwa Kolapo, Deborah Olude

Economies📚 査読済 / ジャーナル2026-10-06#気候科学
DOI: 10.3390/economies14100456
原典: https://doi.org/10.3390/economies14100456

🤖 gxceed AI 要約

日本語

サブサハラ・アフリカにおける水・エネルギー・食料（WEF）ネクサス型の気候変動適応に関する既存研究をスコーピングレビューで整理した。気候スマート農業、統合水資源管理、再生可能エネルギー統合、ネクサス型計画、ガバナンス統合、コミュニティ適応が主要アプローチとして抽出され、レジリエンスや資源効率の向上が報告された。一方、分断されたガバナンス、資金不足、データ・人材の制約が実装の障壁となっている。

English

A PRISMA-ScR scoping review mapping evidence on Water–Energy–Food nexus approaches to climate adaptation in Sub-Saharan Africa. It identifies climate-smart agriculture, integrated water-resource management, renewable energy integration, nexus planning, governance integration and community-based adaptation as key approaches, reporting gains in resilience and resource efficiency. Fragmented governance, limited finance, weak data and capacity gaps constrain implementation; policy coherence, climate finance and capacity-building are enabling factors.

Unofficial AI-generated summary based on the public title and abstract. Not an official translation.

📝 gxceed 編集解説 — Why this matters

日本のGX文脈において

日本企業のGX実務への直接的な示唆は限定的だが、資源制約下での統合ガバナンスや気候ファイナンスの議論は、新興国サプライチェーンや適応ファイナンスを検討する日本企業・投資家にとって参考になる。

In the global GX context

Adds to global adaptation and climate-finance scholarship by synthesizing nexus-based adaptation evidence from an under-represented region, relevant to discussions of adaptation finance and integrated governance under the Paris Agreement's Global Goal on Adaptation.

👥 読者別の含意

🔬研究者:SSAにおけるWEFネクサス適応研究の現状とギャップを把握できる。

🏢実務担当者:新興国サプライチェーンや適応ファイナンス案件の文脈理解に資する。

🏛政策担当者:適応政策における部門横断ガバナンスと気候ファイナンスの重要性を示す。

📄 Abstract（原文）

Climate change poses significant threats to water availability, energy security, and food production in Sub-Saharan Africa (SSA), undermining sustainable development and increasing the vulnerability of communities that are dependent on climate-sensitive resources. In response, the Water–Energy–Food (WEF) nexus has emerged as an integrated framework for addressing the interdependencies among these critical sectors while enhancing climate resilience. This study mapped and synthesized existing evidence on WEF nexus approaches to climate change adaptation in SSA through a scoping review. Guided by the Arksey and O’Malley framework and reported in accordance with the PRISMA-ScR guidelines, the review involved a systematic search of Scopus, Web of Science, ScienceDirect, SpringerLink, Wiley Online Library, Google Scholar, and relevant grey literature sources. The findings revealed a growing body of research on WEF nexus-based adaptation, with studies predominantly concentrated in Southern Africa, particularly South Africa. Major integrated resource management approaches identified include climate-smart agriculture, integrated water-resources management, renewable energy integration, nexus-based planning, governance and policy integration, and community-based adaptation. Reported outcomes include enhanced climate resilience; improved water, energy, and food security; strengthened livelihoods; increased resource-use efficiency; and improved institutional coordination. However, implementation remains constrained by fragmented governance systems, limited financing, inadequate data, technical capacity deficits, and weak stakeholder engagement. Key enabling factors include policy coherence, institutional collaboration, technological innovation, climate finance, and capacity-building. The review concludes that the WEF nexus provides a valuable framework for advancing climate adaptation and sustainable resource management in SSA.

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