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A cross-section of a fire-scarred ponderosa pine from the Sante Fe Wat

By Fort Collins Science Center Updates: From Plains to Peaks
A cross-section of a fire-scarred ponderosa pine from the Sante Fe Watershed in New Mexico.
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Detailed Description

A cross-section of a fire-scarred ponderosa pine from the Santa Fe Watershed, New Mexico. Some trees record past fires as fire scars, which are preserved in the tree rings. Fire scars can be used to date the year, and sometimes the season, of past fires.

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Public Domain.

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