U.S. Forest Service
Caring for the land and serving people

United States Department of Agriculture

Pacific Northwest Research Station

A stand of burned tree trunks on a slope.

Passive or active management after wildfire?

Science Findings | Issue 247

A researcher holds a laser finder while standing among burned trees.

Research to aid postfire management: red turpentine beetles and fire-injured pines

Science Findings | Issue 246

Engineered logjams such as this one on Washington’s Entiat River form pools that serve as rearing habitat for young salmon and steelhead. Researchers have developed new methods for evaluating the effectiveness of stream restoration projects throughout a river basin.

Evaluating the effects of stream restoration on fish populations

Science Findings | Issue 241

Northern spotted owl habitat in an Oregon coastal forest. Photo by David Patte, U.S. Fish and Wildlife Service.

Monitoring northern spotted owls with bioacoustics and artificial intelligence

Science Findings | Issue 245

Fall Creek Reservoir, Oregon, after a December draining. The annual drawdowns have reduced the number of nonnative fish that previously preyed on juvenile salmon. Photo by Sherri Johnson, USDA Forest Service.

Annually draining a reservoir to help salmon

Science Findings | Issue 244

Smoke rising from a fire. USDA Forest Service photo.

Research to help you breathe a little easier

Science Story

Featured Projects

Short-term postfire dynamics following stand-replacing fire in ...

New vegetation after the 2017 Norse Peak Fire in western Washington. Photo by courtesy of Mark Stone, University of Washington.

Assessing wildfire risk to municipal drinking water sources ...

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

Re-evaluating historical fire regimes in west-side forests of ...

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 communities collaborate on urban air quality ...

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

Collaborative Postfire Research and Monitoring: Supporting ...

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.

Latest Publications

Coordinating and standardizing outdoor recreation supply and demand databases to facilitate management and promote conservation, health, and accessibility

Climate change and forest management on federal lands in the Pacific Northwest, USA: Managing for dynamic landscapes

Climate change vulnerability and adaptation in southwest Oregon

Comparison of fire-produced gases from wind tunnel and small field experimental burns

Using high-performance global navigation satellite system technology to improve Forest Inventory and Analysis plot coordinates in the Pacific region

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Science Stories

An adventurous spirit: Volunteers help address tree poaching on public lands

Have you ever thought of pairing your next kayak trip or mountain bike excursion with data collection for environmental scientists?

Plotting the future by monitoring the past

In 1910, scientists with the USDA Forest Service Pacific Northwest Research Station and their collaborators established multiple permanent sample p

Research to help you breathe a little easier

Each year, millions of people are exposed to unhealthy air from wildfires—even in communities far from burning forests.

A “new normal” for west-side fire in Oregon and Washington

The rain-soaked, dense forests of the western Cascade Range in Oregon and Washington are iconic.

Wood Products for Cultural Use

The Wood Products for Culture and Heritage project gathered Alaska Native youth in 2019 and 2020 to learn from communities, study traditional arts

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