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Drought and wildfire weaken Earth's carbon sinks, study finds

Research shows plants' water-use efficiency collapses after compound disturbances

3 Nov 1 6:37 AM · 7d ago · 3 posts · 2 sources · development 3 of 3

The study quantifies the damage: 54.6% of vegetated areas show increased precipitation sensitivity after compound drought-fire events, while water-use efficiency declines across most of those same areas. Hydrological drought-fire events drive the strongest response, with sensitivity increasing by 7.89×10⁻⁵ mm⁻¹ compared to 3.20×10⁻⁵ mm⁻¹ for meteorological drought-fire combinations.

Research shows plants' water-use efficiency collapses after compound disturbances
earth.com

“This decoupling suggests that vegetation may be entering a fragile recovery state, where increased rain sensitivity does not translate into healthier carbon–water balance – a warning signa…”

Qunming Wang, Tongji University researcher · bluesky ↗

Huipeng Xi Researcher, Tongji UniversityQunming Wang Researcher, Tongji University

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