638790 external_news 1599232162 1599232162 The warning comes from a study of 14,189 fossil pollen samples taken from 358 locations across the continent. Scientists at Georgia Tech used data from the samples to determine landscape resilience, including how long specific landscapes such as forests and grasslands existed, a factor known as residence time, and how well they rebounded following perturbations such as forest fires, a factor termed recovery.

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