Renewable energy caves: water replenishment holes in offshore monopiles create novel marine habitats
再生可能エネルギーによる洞穴：洋上モノパイルの水補充孔が新たな海洋生息地を創出 (AI 翻訳)
Kornau LM, Leutelt B, van Sluis CJ, Bruinsma N, Mascini MD, Olie RA, Jacobs FA, van den Akker S, de Haan E, van Onselen E, Strigin N, Nijland R, Coolen JW
🤖 gxceed AI 要約
日本語
洋上風力発電のモノパイル基礎に設けられた水補充孔が、内部に半閉鎖的な海洋生息環境を形成していることを実証。内部の付着生物群集は外部と異なり、洞窟環境に類似した特徴を示した。内部水質モデリングとビデオ調査により、環境条件が群集組成に影響することを明らかにした。この知見は、自然共生型設計への応用が期待される。
English
This study demonstrates that water replenishment holes in offshore wind monopile foundations create semi-enclosed, cave-like habitats with distinct epifaunal communities. Internal conditions, including darkness and water quality gradients, differ from external surfaces, leading to higher heterogeneity and species composition resembling marine caves. Findings have implications for nature-inclusive design in renewable energy infrastructure.
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
日本では洋上風力発電の導入が加速しており、環境影響評価（環境アセスメント）や生態系への配慮が重要課題となっている。本論文はモノパイル内部の生態系形成を初めて定量的に評価し、設計段階での自然共生型インフラ（NID）の可能性を示す点で、日本の洋上風力事業者や環境コンサルタントにとって価値がある。
In the global GX context
This paper provides first quantitative evidence of novel habitat creation inside monopiles, informing nature-inclusive design (NID) for offshore wind. Globally, as offshore renewable expands, understanding ecological trade-offs is critical. Findings can guide environmental management and certification frameworks (e.g., EU’s Biodiversity Strategy, Marine Spatial Planning).
👥 読者別の含意
🔬研究者:Provides first empirical link between monopile design (water replenishment holes) and novel marine habitat formation, with implications for eco-engineering.
🏢実務担当者:Offshore wind developers can use these insights to design nature-inclusive monopiles, potentially enhancing biodiversity while maintaining structural integrity.
🏛政策担当者:Regulators may consider design features like water replenishment holes in environmental impact assessments for offshore renewable projects.
📄 Abstract（原文）
The expansion of offshore renewable energy introduces artificial hard substrate, but the ecological effects may change depending on design features. For example, water replenishment holes, implemented for internal water refreshment and corrosion control, also allow colonisation of previously inaccessible monopile interiors, creating a novel semi-enclosed habitat. This study compared epifaunal communities on the interior and exterior walls of four water replenishment hole-equipped monopiles in the southern North Sea and modelled internal water quality to better understand factors shaping these communities. Vertical video transects were used to quantify percentage cover along depth gradients, while a coupled hydrodynamic-water quality model predicted vertical patterns in dissolved oxygen and particulate organic carbon over one year. Monopile interiors function as semi-enclosed, cave-like habitats with distinct environmental conditions, including darkness, restricted water flow, and vertical gradients in dissolved oxygen and particulate organic carbon. Compared to the external cover, interior communities showed reduced dominance of typical North Sea hard-substrate taxa and increased heterogeneity, with higher contributions of sponges, calcareous tube worms, and brittle stars, resembling communities reported from marine cave environments. Overall epifaunal cover was lower on the interior walls and broadly reflected vertical patterns in water quality. Organic matter accumulated on the interior seafloor, with indications of microbial mat formation. These findings suggest that the internal environmental conditions influence community development. Water replenishment hole design may therefore shape community composition inside monopiles, with implications for possible use as nature-inclusive design and environmental management.
🔗 Provenance — このレコードを発見したソース
- Research Square https://doi.org/10.64898/2026.06.03.729839first seen 2026-06-07 04:22:47 · last seen 2026-06-16 04:30:24
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