地中海の海草藻場再生における自然資本会計：複数パイロットサイトでの適用
Natural Capital Accounting for Mediterranean Seagrass Restoration Across Pilot Sites (原題)
(著者不明)
🤖 gxceed AI 要約
日本語
地中海の海草藻場再生を対象に、SEEA EA準拠の自然資本会計枠組みを構築し、クレタ島・メノルカ島・サルデーニャ島・モンファルコーネの4サイトに適用した。生態系範囲・状態、ブルーカーボン、貨幣評価、影響計算、自然資本バランスシートを7段階で統合。生物多様性保全が資産価値の大半を占め、サルデーニャでは炭素蓄積が重要。受動的再生が小規模移植より大きな価値を生むことを示した。
English
This paper develops a SEEA EA-aligned natural capital accounting framework for Mediterranean seagrass restoration, applied to four pilot sites (Crete, Menorca, Sardinia, Monfalcone). It integrates ecosystem extent/condition, blue carbon, monetary valuation, impact statements, and balance sheets. Biodiversity preservation dominates asset values; blue carbon is key in Sardinia. Passive restoration yields larger aggregate value than small-scale transplantation, informing marine restoration finance and nature credit design.
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
日本では自然資本会計や生物多様性クレジットの議論が始まったばかりであり、SEEA EA準拠の海洋生態系会計の実装例として、TNFD対応やブルーカーボン活用を検討する日本企業・自治体にとって参考になる。
In the global GX context
Aligns with global TNFD and nature-related disclosure trends, offering a replicable SEEA EA-compatible framework for marine restoration finance and emerging nature credit markets, relevant to ISSB and CSRD biodiversity reporting.
👥 読者別の含意
🔬研究者:SEEA EA準拠の海洋自然資本会計の方法論とサイト間比較を提供。
🏢実務担当者:ブルーカーボンや生物多様性の貨幣評価手法をTNFD開示に活用可能。
🏛政策担当者:自然資本会計を政策評価や自然クレジット設計に統合する示唆。
📄 Abstract（原文）
Mediterranean seagrass meadows, particularly Posidonia oceanica and Cymodocea nodosa, provide important ecosystem services including blue carbon storage, biodiversity support, sediment stabilization, and coastal protection, yet they continue to decline under multiple anthropogenic pressures. This article presents a SEEA EA-aligned natural capital accounting framework for seagrass restoration, developed within the INTERREG EuroMed ARTEMIS project and applied to four pilot sites in Crete, Menorca, Sardinia, and Monfalcone. The sites were selected to represent heterogeneous Mediterranean restoration contexts, including different seagrass species, degradation histories, pressure regimes, and restoration strategies. The methodology applies a seven-step marine natural capital accounting cycle combining ecosystem extent and condition accounts, physical blue carbon accounts, monetary ecosystem service accounts, impact statement accounts, and natural capital balance sheets. Two ecosystem service components are valued: global climate regulation, through blue carbon sequestration and storage, and biodiversity preservation, through a defensive cost approach. Results show strong site-specific variation. Biodiversity preservation dominates total asset values across all sites, while blue carbon is particularly relevant in Sardinia because of its high accumulation rate and carbon stock. A passive restoration scenario for Sardinia shows that pressure reduction and eco-mooring infrastructure can generate substantially larger aggregate values than small-scale active transplantation, mainly because of the larger area addressed. Compared with previous service-specific or broad-scale seagrass valuation studies, this article contributes by linking site-specific ecological monitoring, SEEA EA-compatible accounting outputs, and natural capital balance sheet values within a single framework relevant to marine restoration finance and future nature credit design.
🔗 Provenance — このレコードを発見したソース
- semanticscholar https://doi.org/10.3390/su18179104first seen 2026-09-12 05:46:48 · last seen 2026-09-21 05:16:15
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