Low Climate Benefit of Nordic Coastal Marshes: Site Conditions Outweigh Grazing Effects and Shape Trade‐Offs Between Carbon Storage and Its Stability
北欧沿岸湿地の気候便益は低い：立地条件が放牧効果を上回り、炭素貯留とその安定性の間のトレードオフを形成する (AI 翻訳)
Carmen Leiva-Dueñas, Gary Thomas Banta, Christoffer Boström, Franziska Eller, Johan Eklöf, Line Holm Andersen, Kai Jensen, Marianna Lanari, Ella Logemann, Pere Masque, Thomas Ostertag, Christoph Reisdorff, Anaïs Richard, Anu Vehmaa, Jukka Alm, Mikael von Numers, Dorte Krause-Jensen
🤖 gxceed AI 要約
日本語
本研究は、北欧（デンマーク・フィンランド）の沿岸湿地における炭素貯留とメタン排出への放牧の影響を調査。立地条件（温度、土壌質）が主な制御因子であり、放牧は炭素蓄積をやや増加させるもののメタン削減効果がある一方、牛からの温室効果ガス排出が気候便益を相殺する。包括的な管理戦略の必要性を強調。
English
This study examines grazing effects on carbon storage and methane fluxes in Nordic coastal marshes. Site conditions (temperature, soil texture) dominate carbon dynamics. Grazing slightly increases soil carbon but reduces methane, yet on-site cattle emissions largely offset climate benefits. A comprehensive management strategy is needed, balancing carbon, methane, biodiversity, and coastal protection.
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
本論文は日本の沿岸湿地管理にも示唆を与える。炭素貯留とメタン放出のトレードオフ、放牧による牛の排出が便益を打ち消す点は、日本の藍藻や干潟の自然解利用策の評価に重要。温暖な気候下での炭素安定性低下リスクも注視すべき。
In the global GX context
The paper underscores the complexity of natural climate solutions: site-specific conditions and full GHG accounting (including livestock emissions) are critical. For global blue carbon strategies, it highlights that methane emissions from wetlands can significantly undermine carbon sequestration benefits, and that grazing may not be a straightforward mitigation measure.
👥 読者別の含意
🔬研究者:Useful for those studying coastal carbon dynamics and the interaction of grazing and methane in natural climate solutions.
🏛政策担当者:Informs coastal management policy, especially the need for integrated strategies that account for methane and livestock emissions in climate mitigation planning.
📄 Abstract（原文）
C (related to faster decomposition under warmer conditions and sandier soils). Danish marshes had the highest but also most vulnerable OC stocks due to faster turnover, labile compounds, and coarser soil grain sizes. Although grazing only weakly increased soil OC stocks and had no effect on OC accumulation rates, it significantly reduced methane fluxes compared to ungrazed marshes. In ungrazed areas, methane emissions weakened the carbon sink by 32% in Finland and 68% in Denmark. However, estimated greenhouse gas emissions from on-site cattle, even at low grazing intensity, largely outweighed the coastal marsh climate benefits. A comprehensive Nordic marsh management strategy is needed, extending beyond the focus on their limited, yet relevant, role in climate mitigation, and considering biodiversity, coastal protection and nutrient retention.
🔗 Provenance — このレコードを発見したソース
- openalex https://ro.ecu.edu.au/ecuworks2022-2026/8115first seen 2026-05-15 18:28:43 · last seen 2026-05-31 05:21:19
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