Carbon ratio index: a new metric for strategic carbon quantification in the cerrado
炭素比指数：セラードにおける戦略的炭素定量化のための新しい指標 (AI 翻訳)
Jonathan Ezequiel Da Silveira, Ana Clara Gomes de Queirós, Tailhane Luíza Andrade de Sousa, Ricardo Souza Nunes, Luciano Marques Pinheiro Dias, Bruno Oliveira Lafetá
🤖 gxceed AI 要約
日本語
ブラジルのセラード生態系における炭素貯蔵量を推定する新しい非破壊的手法として、炭素比指数（CRI）を提案。従来のアロメトリー式と同等の精度を示し、低コストで実用的な方法として期待される。
English
This study proposes a Carbon Ratio Index (CRI) for estimating woody carbon stock in the Brazilian Cerrado. The method is non-destructive, low-cost, and performs comparably to traditional allometric equations, offering a practical alternative for carbon quantification in tropical savannas.
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
日本国内の森林炭素算定では異なる手法が主流であり、本論文の直接的な応用は限定的。ただし、自然を基盤とした解決策（NbS）やREDD+などの国際的な炭素クレジット評価の文脈では、簡易測定手法として参考になる可能性がある。
In the global GX context
This paper provides a simple field-based carbon estimation method applicable to tropical savannas, relevant to nature-based solutions (NbS) and REDD+ accounting. While not directly tied to corporate disclosure frameworks like TCFD/ISSB, it supports the quantification of terrestrial carbon stocks critical for climate mitigation.
👥 読者別の含意
🔬研究者:Researchers in forest ecology and carbon accounting can adopt the CRI as a low-cost alternative to allometric equations for savanna ecosystems.
🏢実務担当者:Practitioners managing forest carbon projects in savanna regions may use the CRI for cost-effective carbon stock estimation.
🏛政策担当者:Policymakers involved in national greenhouse gas inventories or NbS programs could consider the CRI for improving forest carbon monitoring.
📄 Abstract（原文）
Global climate change has increased the need for efficient methodologies to quantify carbon stored in forest ecosystems. The Brazilian Cerrado stands out for its ecological relevance and high carbon storage capacity, although it faces significant anthropogenic pressure. This study proposed an alternative approach to estimate carbon in typical cerrado using the Carbon Ratio Index (CRI). Data were collected in a 26.9 ha fragment in Diamantina, Minas Gerais, Brazil, using eight randomly distributed plots of 600 m² (20 × 30 m). All stems with circumference at breast height ≥ 15.7 cm were measured. The CRI was defined as the ratio between woody carbon stock and the volume of a cylinder based on basal area at breast height and total height, analogous to the form factor used in forest mensuration. A total of 531 stems were recorded, with DBH ranging from 5.1 to 22.4 cm and total height from 1.7 to 7.5 m. The mean CRI was 0.24 ton m⁻³ (± 0.0310). Carbon estimates did not differ significantly from the reference allometric equation. The results indicate that the CRI performs similarly to traditional allometric equations, showing potential as a non-destructive, practical, and low-cost method for estimating carbon stocks in stems of typical Cerrado.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.34188/bjaerv9n2-261first seen 2026-06-17 06:14:58 · last seen 2026-06-17 07:14:40
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