自然を基盤とした解決策と洪水制御工学の比較：地中海沿岸都市近郊河川における生態的劣化の防止
Nature-Based Solutions Versus Flood-Control Engineering: Preventing Ecological Degradation in a Peri-Urban Mediterranean Stream (原題)
Stamatis Zogaris, Angeliki Mentzafou, Demetris Zarris, Nikolaos Stappas, Panagiota Petroglou, Sofia Giakoumi, Ioannis Karaouzas, Elias Dimitriou
🤖 gxceed AI 要約
日本語
ギリシャ・アッティカのエラシノス川で計画された大規模洪水制御事業が生態系・法的懸念から中止された事例を分析。従来の構造的河川改修と、自然洪水管理（NFM）に基づくNbS枠組みを比較し、分散型貯留・河川接続性回復・氾濫原再連結が洪水リスク低減と生物多様性向上を両立しうると示す。地中海流域の都市近郊河川計画を自然positiveな管理へ転換する可能性を提示する。
English
This study examines the halted Erasinos stream flood-control project in Attica, Greece, comparing the original hard-engineering scheme with a Nature-based Solutions (NbS) framework grounded in Natural Flood Management. The NbS approach emphasizes distributed retention, river connectivity restoration, and floodplain reconnection, potentially reducing flood risk while enhancing biodiversity and protected-area values. It illustrates a shift from rigid structural control toward nature-positive management for Mediterranean peri-urban catchments.
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
日本でも流域治水やグリーンインフラが政策課題となっており、生態系保全と防災を両立するNbSの実装事例として参考になる。ただし企業のGX開示やScope算定との直接の接続は薄い。
In the global GX context
Globally, this contributes to the growing NbS and climate-adaptation literature relevant to TNFD and biodiversity disclosure, showing how ecological restoration can be integrated into flood-risk governance. It offers a Mediterranean case that complements EU adaptation and nature-restoration policy debates.
👥 読者別の含意
🔬研究者:NbSと構造的洪水制御の比較評価手法と、政策・法的審査が事業転換を促すプロセスの実証例として参考になる。
🏢実務担当者:インフラ・建設・不動産企業が流域治水やグリーンインフラ案件で生態系配慮と適応策をどう統合するかの示唆を得られる。
🏛政策担当者:洪水防御事業の環境影響評価とNbS代替案の検討を政策プロセスに組み込む必要性を示す事例として有用。
📄 Abstract（原文）
Structural flood-control engineering can create negative impacts and societal conflict, yet few studies critically examine such projects while explicitly evaluating Nature-based Solutions (NbS) as alternative applications. This article presents a real Mediterranean case in which a large structural flood-control project was halted following ecological and legal scrutiny, creating an opportunity to reconsider flood management through an NbS framework. The study focuses on the Erasinos stream (Attica, Greece), where a government- and EU-funded flood-control project proposed extensive river channelization, flood-retention dams and other “hard” measures within and adjacent to a protected Natura 2000 area. Rather than proposing a detailed engineering redesign, our study compares two contrasting planning paradigms: the original engineering scheme, initiated in 2021, and a conceptual Nature-based Solutions (NbS) framework based on Natural Flood Management (NFM) and ecological restoration initiatives. The proposed NbS framework would substantially reduce structural river-training works while emphasizing distributed flood-water retention, restoration of river connectivity, floodplain reconnection and biodiversity enhancement. Such an approach has the potential to reduce flood risk while simultaneously enhancing biodiversity, cultural and protected-area values. The Erasinos case demonstrates that integrating ecological restoration, NbS and flood-risk management can shift peri-urban river planning away from rigid structural control toward a nature-positive management paradigm for Mediterranean catchments.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.3390/su18199825first seen 2026-09-27 04:42:36
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