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都市緑化への示唆と予備的機能分類：中国におけるBVOC排出と樹木炭素固定に関するレビュー

Implications for Urban Greening and Preliminary Functional Classification: A Review of BVOC Emissions and Tree Carbon Sequestration in China (原題)

Junmi Ding, Weikang Niu, Siwan Zhou, 东京 姚, Lan Yao, Jinglong Wang, Qizhen Liu

Sustainability📚 査読済 / ジャーナル2026-10-26#気候科学Origin: CN
DOI: 10.3390/su182110851
原典: https://doi.org/10.3390/su182110851

🤖 gxceed AI 要約

日本語

中国の都市・森林における樹木の炭素固定量とBVOC（生物起源揮発性有機化合物）排出に関する132件の文献を整理したレビュー。BVOCは状況次第でオゾンや二次有機エアロゾル生成を促すため、炭素固定とのトレードオフを考慮した樹種選定が必要だと指摘する。炭素データ・化合物別BVOC特性・環境条件を組み合わせた予備的な低BVOC排出カテゴリ分類を提案するが、検証済みの植栽指針ではないと留保する。

English

A review of 132 studies on carbon sequestration and BVOC emissions of urban and forest trees in China. It argues that BVOC-driven ozone and SOA formation creates a context-dependent trade-off with carbon benefits, and proposes a provisional low-BVOC, trade-off-oriented species classification combining carbon data, compound-specific traits, and environmental context. The authors stress this is not a validated mechanistic framework or planting guideline.

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

日本でも都市緑化・公園整備はGX推進策の一部だが、本稿は炭素固定と大気質のトレードオフという実務的論点を提示する。自治体の緑化計画や企業の生物多様性・自然資本対応（TNFD）を検討する際の参考になりうるが、日本の気象・汚染条件での検証は別途必要。

In the global GX context

Nature-based solutions and urban greening are increasingly folded into corporate climate and biodiversity strategies (TNFD, CSRD ESRS E4), yet carbon benefits can be offset by air-quality trade-offs. This review offers a framing for evaluating such trade-offs, though its evidence base is China-specific and not a validated guideline.

👥 読者別の含意

🔬研究者:炭素固定とBVOC排出のトレードオフを定量化する際の指標・測定手法のばらつきを整理する出発点になる。

🏢実務担当者:都市緑化や自然資本施策で樹種選定を検討する際、炭素効果だけでなく大気質影響も評価する視点を提供する。

🏛政策担当者:自治体の緑化計画において、炭素固定とオゾン生成リスクの地域別評価を組み込む必要性を示唆する。

📄 Abstract（原文）

Urban trees have a vital role in climate mitigation by enhancing air quality, providing thermal comfort, promoting biodiversity, and improving human well-being, thereby aiding in the achievement of Sustainable Development Goals 3, 11, 13, and 15. Nevertheless, in particular environmental circumstances, their release of biogenic volatile organic compounds (BVOCs) may facilitate the generation of ozone (O3) and secondary organic aerosols (SOA), resulting in a context-sensitive compromise. This analysis consolidates data regarding carbon sequestration and BVOC emissions to guide the choice of sustainable urban tree species in China. A literature review encompassing works from 2002 to 31 August 2026 resulted in 132 entries: 127 peer-reviewed papers, four dissertations, and one preprint. Experimental measurements were emphasized, as they constitute the foundation for remote sensing inversions and model simulations; these techniques offer supplementary validation. The gathered information encompassed carbon sequestration, photosynthetic carbon absorption, BVOC emission rates and their composition, measurement foundations, and spatiotemporal dimensions. The data predominantly depicted urban and forest settings in China, constraining comparisons among analogous indicators and measurement parameters. The research revealed variability in carbon sequestration evaluations and suggested that overall BVOC emission rate by itself cannot define atmospheric hazards. Consequently, we suggest a provisional, trade-off-oriented, synergistic, and provisionally low BVOC-emission category categorization that incorporates carbon-related data, compound-specific BVOC traits, and environmental context. This investigative synthesis bolsters evidence-driven urban greening by connecting climate mitigation, air quality, ecosystem services, and human welfare; yet, it does not represent a verified mechanistic framework or conclusive planting guidelines. The reactions noted under particular Chinese meteorological circumstances, pollution metrics, management strategies, and developmental phases necessitate independent verification prior to their use in other areas or commercial forestry. Broader execution requires regional evaluations of ozone and secondary organic aerosol production potential, local nitrogen oxides, meteorological conditions, human-induced emissions, species characteristics, and sustained monitoring.

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