Pacific Northwest Research Station

Remains of a drinking fountain after the 2020 Riverside Fire in the Mount Hood National Forest. USDA Forest Service photo.

The fire scars and growth rings visible in this cross section from a stump reveal the number of years between past fires and information about the tree’s growth rate and carbon uptake. Photo courtesy of Andrew Merschel.

Duwamish Valley Youth Corps members collect moss samples in South Park. USDA Forest Service photo by Monika Derrien.

A member of a Burned Area Emergency Response Team examines duff layers in an area burned by the 2020 Lionshead Fire, Oregon. USDA Forest Service photo.