Permafrost tipping point triggered by warming-driven loss of old carbon.

Nat Commun · 2026 · PMC13273145 · PMID 41997934

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an increasing trendno p-value reported

Surface DOC, which comprises <1% of total SOC, showed an increasing trend associated with warming-enhanced plant inputs, yet this small increase was insufficient to counterbalance the substantial POC loss.

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