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汚染ストレス下のブルーカーボン生態系：影響と統合的炭素・汚染モニタリング

Blue carbon ecosystems under pollution stress: Impacts and integrated carbon‐pollution monitoring (原題)

Barun Haldar, Sakthivel Perumal, Srinivas Tadepalli, Anil Kumar Deepati, Sandip Kunar, Thirugnanasambandham Thangavel, Ravikumar Jayabal, Madaminov Sanjarbek Maxmudjon Ugli

Environmental Progress & Sustainable Energy📚 査読済 / ジャーナル2026-09-05#炭素会計Origin: Global
DOI: 10.1002/ep.70661
原典: https://doi.org/10.1002/ep.70661

🤖 gxceed AI 要約

日本語

マングローブ、海草藻場、塩性湿地などのブルーカーボン生態系は重要な炭素吸収源だが、栄養塩、重金属、プラスチックなどの汚染がその炭素隔離能力を低下させる。本レビューは汚染が植物生理、堆積物、微生物過程、GHGフラックスに与える影響を整理し、炭素測定と汚染診断を統合するMRVアプローチを評価する。さらに、将来の統合的モニタリングと政策統合を導く概念的な意思決定支援枠組みとしてPollution-Carbon Impact Framework (PCIF)を提案する。

English

Coastal blue carbon ecosystems (mangroves, seagrass, salt marshes) are vital carbon sinks, but pollution (nutrients, heavy metals, plastics) threatens their sequestration capacity. This review synthesizes impacts on plant physiology, sediments, microbes, and GHG fluxes, and evaluates MRV approaches integrating carbon and pollutant monitoring. It proposes the Pollution-Carbon Impact Framework (PCIF), a conceptual decision-support tool for future co-located monitoring and policy integration, noting that operational protocols and datasets are still needed.

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、ブルーカーボン生態系の保全とJブルークレジット制度が注目されており、本レビューのPCIFは、クレジットの信頼性向上や水質ガバナンスとの連携に示唆を与える。ただし、日本固有の政策やデータに直接言及していないため、日本の実務への応用には追加の検討が必要。

In the global GX context

Globally, blue carbon is increasingly recognized in climate mitigation and carbon markets (e.g., voluntary carbon credits). This review highlights the need to integrate pollution monitoring into carbon accounting for robust MRV, aligning with international standards like the IPCC and emerging blue carbon methodologies. The PCIF framework offers a conceptual basis for improving carbon credit integrity and coastal management.

👥 読者別の含意

🔬研究者:Provides a comprehensive synthesis of pollution impacts on blue carbon and a framework for integrated monitoring, useful for designing future empirical studies.

🏢実務担当者:Offers guidance on integrating pollution diagnostics into carbon monitoring for blue carbon projects, relevant for MRV and credit verification.

🏛政策担当者:Highlights the importance of linking water quality governance and pollution control with blue carbon accounting, informing coastal policy and carbon market design.

📄 Abstract（原文）

Abstract Coastal blue carbon ecosystems, including mangroves, seagrass meadows, and salt marshes, are globally important carbon sinks because they store organic carbon in vegetation biomass and waterlogged sediments over long timescales. However, nutrient enrichment, heavy metals, petroleum hydrocarbons, macroplastic and microplastic debris, and emerging contaminants increasingly threaten their capacity to sequester carbon. These pollutants reduce photosynthetic productivity, weaken root and rhizome systems, alter sediment redox conditions, disrupt microbial decomposition pathways, and may increase emissions of carbon dioxide (CO 2 ), methane (CH 4 ), and nitrous oxide (N 2 O). This review synthesizes current evidence on how pollution alters carbon cycling across major blue carbon ecosystems, with emphasis on plant physiology, sediment stability, microbial processes, greenhouse gas (GHG) fluxes, and carbon stock permanence. It also evaluates monitoring, reporting, and verification (MRV) approaches that could integrate carbon measurements with pollutant diagnostics. In response to current methodological gaps, the review presents the Pollution‐Carbon Impact Framework (PCIF) as a conceptual decision‐support approach rather than a fully operational protocol. The PCIF is intended to guide future co‐located monitoring, indicator selection, site prioritization, and policy integration, while recognizing that standardized templates, open datasets, validated models, and Geographic Information System (GIS)‐based decision tools remain future requirements. The review concludes that reliable blue carbon accounting requires stronger integration between water‐quality governance, restoration planning, pollution control, and carbon‐credit verification.

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