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Circular Economy and Climate Resilience: Implications for Governance, Adaptation Strategies, and Economic Inclusion of Smallholder Farmers in Nigeria

Adetomiwa Kolapo, Isaac Busayo Oluwatayo

Sustainability📚 査読済 / ジャーナル2026-10-07#気候科学Origin: Global経営インパクト: 調達リスク対象セクター: agriculture
DOI: 10.3390/su181910180
原典: https://doi.org/10.3390/su181910180

🤖 gxceed AI 要約

日本語

ナイジェリア南西部の小規模農家調査を用い、循環経済（残渣リサイクル・堆肥化・廃棄物発電）の採用要因を操作変数多変量プロビットで分析。ガバナンス品質（透明性・参加・執行・調整・サービス提供）が採用パターンを有意に規定し、透明性はリサイクル、参加は堆肥化、執行は資本集約的な廃棄物発電を促進した。教育・所得・農地規模も正の関連を示し、降雨・干ばつ等の気候変動が採用判断に影響。技術導入だけでなく透明で参加型の治理と包摂的支援の必要性を結論づける。

English

Surveying smallholder farmers in Southwest Nigeria, the study uses an instrumental-variable multivariate probit to explain adoption of circular economy practices (residue recycling, composting, waste-to-energy). Governance quality—transparency, participation, enforcement, coordination, service delivery—significantly shapes adoption patterns, alongside education, income, farm size, and climate variability. The authors argue scaling CE requires credible, participatory governance and inclusive socioeconomic support embedded in climate adaptation policy, not technical innovation alone.

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

日本のGX文脈との直接接続は弱いが、サプライチェーン上流の農業由来排出・資源循環をどう治理するかという論点は、Scope 3や自然資本開示を進める日本企業の調達先リスク評価に示唆を与える。

In the global GX context

Adds empirical evidence from a fragile-governance setting to the global adaptation and circular-economy literature, complementing ISSB/TCFD work by showing how governance quality conditions on-the-ground adoption of circular practices in agricultural supply chains.

👥 読者別の含意

🔬研究者:ガバナンス指標を循環経済採用の内生要因として扱う実証設計は、適応・資源循環研究の手法参照になる。

🏢実務担当者:農業サプライチェーンを持つ企業は、調達地域の治理品質をリスク評価に組み込む視点を得られる。

🏛政策担当者:透明性・参加・執行を伴う治理強化と普及サービスが循環経済普及の鍵だと示す。

📄 Abstract（原文）

Climate change, environmental degradation, and global supply chain disruptions highlight the urgency of advancing circular economy (CE) practices for sustainable agricultural transformation. However, in fragile governance contexts such as Nigeria, CE adoption among smallholder farmers remains uneven. This study investigates the role of governance quality, socioeconomic conditions, and climate variability in shaping CE implementation in Southwest Nigeria. Using survey data from smallholder farmers, we applied an instrumental-variable multivariate probit regression model to account for interdependencies across multiple CE practices, residue recycling, composting, and waste-to-energy. Governance quality was assessed through five indices: transparency, participation, enforcement, coordination, and service delivery. Socioeconomic (education, income, farm size) and climatic variables (rainfall, drought shocks) were included to capture enabling and constraining conditions. The results show that governance quality significantly affects CE adoption patterns: transparency strongly drives residue recycling, participation fosters composting, and enforcement enables capital-intensive waste-to-energy. Coordination and service delivery exert broad positive effects across multiple practices. Education, income, and farm size were positively associated with adoption, whereas climatic variability significantly influenced adoption decisions, reflecting farmers’ sensitivity to ecological shocks. The findings imply that scaling CE in Nigeria requires more than technical innovation; it demands transparent, participatory, and credible governance alongside inclusive socioeconomic support. Policy interventions should prioritize the strengthening of advisory systems, farmer cooperatives, regulatory enforcement, and integrated service delivery while embedding the CE within broader climate adaptation strategies. Through aligning governance quality with inclusive development, CE adoption can foster resilience, economic inclusion, and environmental sustainability in a fractured global order.

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