Overcompensation of vegetation productivity after late-spring frost in the Northern Hemisphere.

Overcompensation of vegetation productivity after late-spring frost occurs in up to 41% of events across the Northern Hemisphere, with annual productivity exceeding non-frost baselines.

• Why it matters: Understanding how vegetation recovers from frost damage is crucial for accurate climate and carbon cycle modeling, as current knowledge about post-frost productivity responses is limited.
• What they did: The study used eddy-covariance carbon flux data, satellite-derived gross primary productivity, and multi-year frost experiments to analyze overcompensation patterns, focusing on spatial and ecological factors.
• The result: Findings show overcompensation is strongest at high latitudes and is intensified by warmer temperatures and higher species diversity, with projections suggesting increased frequency under future climate scenarios.