Cross-section of a ponderosa pine displaying fire scars (IMAGE)

Ecological Society of America

Cross-section of a ponderosa pine displaying fire scars

Caption

A cross section of an ancient tree from New Mexico’s Rio Grande del Norte National Monument shows fire scars preserved in its rings, evidence used in a study published in Ecosphere to reconstruct centuries of wildfire history and reveal a sharp decline in fire frequency following Spanish colonization.

Credit

Manuel Lopez

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