Introduced dung beetles suppress methane emissions from cattle dung and alter the temporal dynamics of greenhouse gas flux
導入された糞虫が牛糞からのメタン放出を抑制し、温室効果ガスフラックスの時間的動態を変化させる (AI 翻訳)
Jean Holley, Martin Brummell, Nigel R. Andrew
🤖 gxceed AI 要約
日本語
オーストラリアで導入された糞虫が牛糞からのメタン排出を85%削減し、温室効果ガスフラックスの時間的動態を変化させることが示された。放牧システムにおける糞虫の自然気候ソリューションとしての可能性を強調し、農業GHG評価における無脊椎動物媒介プロセスの重要性を指摘する。
English
This study demonstrates that introduced dung beetles in Australia reduce methane emissions from cattle dung by 85% and alter temporal GHG flux patterns. The findings highlight the potential of dung beetles as a natural climate solution in grazing systems, emphasizing the role of invertebrate-mediated processes in agricultural GHG assessments.
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
日本では畜産からのGHG排出削減が課題であり、糞虫の利用は新たな対策となり得るが、日本固有の糞虫種や気候条件での検証が必要。本論文は日本の畜産GXに間接的な示唆を与える。
In the global GX context
This paper provides empirical evidence for a nature-based GHG mitigation option in livestock systems. It is relevant to global agricultural emissions reporting and the role of biodiversity in climate solutions, which aligns with emerging frameworks for natural climate solutions under the Paris Agreement.
👥 読者別の含意
🔬研究者:This study underscores the need to incorporate biological agents like dung beetles into agricultural GHG flux models and inventories.
🏢実務担当者:Livestock farmers could consider managing dung beetle populations to reduce methane emissions, though site-specific validation is needed.
🏛政策担当者:The results support integrating biodiversity conservation into national GHG mitigation strategies for agriculture.
📄 Abstract（原文）
Abstract Livestock agriculture is a primary driver of anthropogenic greenhouse gas (GHG) emissions, with cattle dung acting as a significant source of carbon dioxide (CO 2 ), methane (CH 4 ) and nitrous oxide (N 2 O). Dung beetles (Coleoptera: Scarabaeidae) are critical ecosystem service providers that modify dung structure, yet their influence on specific GHG fluxes remains variable across different climatic regions and beetle assemblages. In Australia, where introduced beetle species are active year‐round, their potential for GHG mitigation is poorly quantified. We investigated the impact of dung beetle activity on GHG (total, CO 2 , N 2 O and CH 4 ) and ammonia (NH 3 ) fluxes from cattle dung. Using 90‐day chamber mesocosms, we compared emission profiles between pats colonised by a field‐representative mix of four species ( Euoniticellus intermedius , E. africanus , E. fulvus and Onthophagus granulatus ) and beetle‐free controls. Cumulative CH 4 flux was 85% lower in beetle treatments compared to controls. Control pats exhibited distinct CH 4 flux peaks at Day 6 and Day 16, whereas beetle‐colonised pats maintained near‐zero fluxes throughout the experiment. Conversely, beetles accelerated initial CO 2 release, causing an earlier flux peak within the first 14 days compared to controls. Total greenhouse gas flux was nearly 18% lower when beetles were present. These findings indicate that dung beetle activity is associated with altered greenhouse gas flux patterns in cattle dung. The presence of active beetle populations suggests an inherent ecosystem service that may reduce the net methane footprint of grazing systems. Our study highlights the importance of considering invertebrate‐mediated processes in agricultural greenhouse gas assessments.
🔗 Provenance — このレコードを発見したソース
- crossref https://doi.org/10.1111/een.70112first seen 2026-06-19 05:33:33
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