自然基盤ソリューションが生む生態系サービスの貨幣評価：単位価値の便益移転によるポーランド条件への適用
Monetary Valuation of Ecosystem Services from Nature-Based Solutions: Benefit Transfer of Unit Values to Polish Conditions (原題)
Izabela Godyń, Karolina Müller, Gabriela Szotkowska
🤖 gxceed AI 要約
日本語
自然基盤ソリューション（NBS）の便益を費用便益分析に組み込むため、75文献・233件の貨幣推定値を収集し、面積単位への標準化、2025年価格への更新、購買力平価と所得補正によりポーランド条件へ移転した。森林・湿地・公園は推定値が豊富だが技術系NBSは乏しく、同一サービス内のばらつきも大きい。得られた値は比較的予備的な経済分析に使える参照値であり、普遍的な生態系サービス価格ではない。
English
To include nature-based solution (NBS) benefits in cost–benefit analysis, the authors compiled 233 monetary estimates from 75 sources, standardized them per area unit, updated to 2025 prices, and transferred them to Polish conditions via PPP and income adjustments. Forests, wetlands and parks are well represented; technical NBS and within-service variation remain weak. The values serve as reference estimates for preliminary comparative appraisal, not universal ecosystem-service prices.
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
ポーランドの事例だが、TNFD・自然資本会計に関心を持つ日本企業にとって、EU域内でNBS便益を貨幣換算する手法と限界は、日本版自然資本評価や生物多様性クレジット設計の参考になる。SSBJ開示とは直接連動しない。
In the global GX context
Adds to the global push (TNFD, SBTN, CSRD/ESRS E4) to monetize nature-related externalities, showing how benefit transfer can be localized within the EU. Useful as a methodological template for jurisdictions lacking domestic valuation datasets, though it is not disclosure-framework work per se.
👥 読者別の含意
🔬研究者:便益移転の標準化・PPP・所得補正の手順と、NBS類型別のデータギャップを把握できる。
🏢実務担当者:都市開発・緑地投資の予備的費用便益分析で参照値として使えるが、対外開示の根拠には弱い。
🏛政策担当者:自然基盤ソリューションの公共投資評価に貨幣値を組み込む際の参照値と、データ整備の必要性を示す。
📄 Abstract（原文）
Nature-based solutions (NBS) are increasingly used to support climate adaptation and urban resilience; however, their environmental and social benefits are often omitted from cost–benefit analyses because standardized monetary values for incorporating these externalities into economic appraisal remain limited across many EU countries, including Poland. This study aimed to develop reference unit values for selected ecosystem services generated by NBS and adapt them to Polish conditions using benefit transfer. A literature review and a screening of institutional databases and reports were conducted, including FEMA, IGNITION and Scopus sources. The final database comprised 75 literature sources and 233 monetary estimates covering eight NBS types and a range of ecosystem services. Source values were standardized to a common area unit, updated to 2025 price levels and adjusted to Polish economic conditions using purchasing power parity and income-related corrections. The evidence base was uneven, with forests, wetlands and parks being the best represented categories and substantially fewer estimates available for technical NBS. Considerable variation was observed within individual ecosystem-service categories. The resulting values can support preliminary and comparative economic analyses in Poland, but should be treated as reference estimates rather than universal ecosystem-service prices.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.3390/f17101190first seen 2026-10-07 05:03:52
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