Pulse Brain · Growing Health Evidence Index
Tier 1 — Meta-analysis / systematic reviewPeer-reviewed

Soil organic carbon losses exacerbated by climate extremes

Emanuele Lugato

Nature Climate Change · 2023

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Summary

This Nature Climate Change paper by Lugato (2023) synthesises evidence on the interactive effects of climate extremes and variability on soil organic carbon dynamics in agricultural soils. The work suggests that climate stress conditions, particularly drought and temperature extremes, exacerbate carbon losses from soils beyond baseline decomposition rates, implying that climate change may accelerate soil degradation and reduce the capacity of agricultural soils to sequester or retain carbon.

Regional applicability

The global scope of this analysis is relevant to United Kingdom farming, particularly given increasing summer drought frequency and winter precipitation volatility in recent decades. UK arable and mixed farming systems—already challenged by SOC depletion—may face additional carbon loss risks under projected climate scenarios, with implications for soil health policy and carbon sequestration targets.

Key measures

Soil organic carbon content and loss rates under climate extreme scenarios; climate variability indices; agricultural soil vulnerability metrics

Outcomes reported

The study examined how climate extremes (drought, heat, precipitation variability) affect soil organic carbon (SOC) losses across agricultural systems. The research quantified the exacerbation of SOC depletion under climate stress conditions.

Theme
Climate & resilience
Subject
Soil carbon & organic matter
Study type
Meta-analysis
Study design
Meta-analysis
Source type
Peer-reviewed study
Status
Published
Geography
Global
System type
Mixed farming
DOI
10.1038/s41558-023-01873-4
Catalogue ID
SNmonuu63h-wpt9jd

Topic tags

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