メキシコの都市勾配における熱帯樹木多様性と炭素貯留の生物物理学的駆動要因
Biophysical drivers of tropical tree diversity and carbon stocks across an urban gradient in Mexico (原題)
Armando Navarrete‐Segueda, Abril Soria-Nambo, M. Lourdes González‐Arqueros, Guadalupe Cornejo‐Tenorio, Elizabeth Chávez-García, Guillermo Ibarra‐Manríquez
🤖 gxceed AI 要約
日本語
メキシコのモレリア市の都市・周辺緑地を対象に、生物物理学的要因（降水量、地形、土壌、樹木構造）が炭素貯留量と樹木多様性に与える影響を分析。都市部では外来種の大型個体が炭素密度を高め、周辺部では在来種の個体数が寄与。土壌有機炭素は都市と周辺で差がなく、統合的指標の必要性を示唆。
English
This study examines how biophysical factors (precipitation, topography, soil, forest structure) affect carbon stocks and tree diversity in urban and peri-urban green spaces in Morelia, Mexico. Urban areas show higher carbon density due to large non-native species, while peri-urban areas rely on native species abundance. Soil organic carbon did not differ significantly, highlighting the need for integrative indicators for green infrastructure assessment.
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
日本の都市緑地政策やカーボンニュートラル施策において、緑地の炭素貯留機能を評価する際に、生物多様性と炭素貯留のトレードオフを考慮する必要性を示す点で参考になる。ただし、直接的なGX規制や開示要件との関連は薄い。
In the global GX context
This paper contributes to global understanding of urban green infrastructure's role in climate adaptation and biodiversity conservation, offering empirical evidence from a tropical mid-sized city. It underscores the need for integrative indicators beyond vegetation-based assessments, relevant for urban climate policy and green infrastructure planning.
👥 読者別の含意
🔬研究者:都市生態系における炭素貯留と生物多様性の関係を理解するための実証データを提供。
🏢実務担当者:都市緑地の設計や管理において、炭素貯留と生物多様性の両立を図る際の参考となる。
🏛政策担当者:都市計画や気候適応策において、緑地の多面的価値を評価する指標の重要性を示す。
📄 Abstract（原文）
Urban and peri-urban green spaces are shaped by a complex interaction between anthropogenic management and underlying biophysical heterogeneity, which gives them particular community attributes (structure and diversity) and soil functions. Consequently, vegetation-based assessments alone often fail to capture the multidimensionality of these socioecological systems. Here, we examined the extent to which biophysical constraints, such as precipitation, topography, soil properties, and the structure of urban forests, differentially affect terrestrial carbon (C) stocks within tropical urban and peri-urban green spaces. We tested hypotheses regarding the importance of diversity in native and non-native plant species, as well as the effect of soil variation among sites. We compared woody species richness ( 0 D), dominance ( 2 D), composition, structure, and tree aboveground biomass (AGB), as well as soil organic carbon, across a mosaic of green spaces in the mid-sized city of Morelia, Michoacán state, Mexico. Using principal components analysis (PCA) and analysis of similarities (ANOSIM), we identified significant correlations between biophysical heterogeneity and community-level patterns. Elevated carbon density in urban areas is related to the presence of larger individuals of non-native species. Instead, native species shaped the peri-urban carbon stock through a greater number of individuals. Soil organic carbon stocks showed no significant differences between urban and peri-urban sites. This study advances the understanding of urban ecosystems, highlighting the need for integrative indicators that account for tropical environmental quality. Our findings contribute to a framework for assessing the performance of green infrastructure, with implications for climate adaptation, biodiversity conservation, and urban landscapes.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.1007/s00267-026-02481-6first seen 2026-08-23 04:41:07
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