You are here: Home / Research Topics / Research Highlights / Search Results

Research Highlights

Search Results

Below are the highlights meeting your search criteria. To perform another search, click here.

Highlight IDTitleStrategic Program Area(s)YearStation
Photo of Trained volunteers with Trailkeepers of Oregon work to restore a trailin the Columbia River Gorge National Scenic Area that was damaged by the 2017 Eagle Creek Fire.
ID: 1451
Access to partners and volunteers linked to sociopolitical setting of national forest

A national survey of Forest Service officials illuminates challenges and opportunities for partnering that varied based on setting. The sociopo ...

Principal Investigator : Lee K. Cerveny

Water, Air, and Soil
Resource Management and Use
2018PNW
Photo of A prescribed burn near Sisters, Oregon. Jeff Kline, U.S. Department of Agriculture Forest Service.
ID: 1161
Analyses of landscape management strategies for mixed-severity fire regime forests in Oregon, Washington, and Northern California leads to new management and policy paradigms for fire

Nine strategies aimed at reconciling potentially conflicting management goals for forests having mixed-severity fire regimes are being used in d ...

Principal Investigator : Paul F. Hessburg, Sr.

Resource Management and Use2016PNW
Photo of Badger Creek in Lewis and Clark National Forest, Mont. Streams in the northern Rocky Mountains are already being affected by increased air temperatures and declining snowpacks.
ID: 1369
Climate change in the Rocky Mountains

Major effects likely for the natural resources in the northern Rockies, although adaptation options are available to reduce negative outcomes.

Principal Investigator : David L. Peterson

Wildland Fire and Fuels
Inventory and Monitoring
Water, Air, and Soil
Wildlife and Fish
Resource Management and Use
2017PNW
Photo of Pine marten. Michael Mengak, Bugwood.org
ID: 94
Conserving Martens, Sables, and Fishers

New book provides the first comprehensive synthesis of knowledge about these species in nearly 20 years

Principal Investigator : Keith Aubry

Wildlife and Fish2012PNW
Photo of Smoke from the King Fire on the El Dorado National Forest. NASA
ID: 677
Delivery of Smoke Science to Incident Operations

Forest Service scientists, working with the Washington Office Fire and Aviation Management to support the Wildland Fire Air Quality Response Pro ...

Principal Investigator : Sim Larkin

Wildland Fire and Fuels
Water, Air, and Soil
2014PNW
Photo of Regional change in southeast Alaskan forests is created by asymmetrical fine-scale disturbance and growth. USDA Forest Service
ID: 765
Disturbance and Regrowth in Southeast Alaska Forests Shows Spatial Patterning

Southeast Alaska is gaining forest area on the northern side of mountain slopes, higher latitudes, and higher elevations while losing forest are ...

Principal Investigator : Tara M. Barrett

Resource Management and Use
Inventory and Monitoring
2015PNW
Photo of Forest Service staff and the Lakeview Stewardship Group discuss post treatment monitoring in the West Drews project area in the Fremont-Winema National Forest, Oregon. Eric White, U.S. Department of Agriculture Forest Service.
ID: 1179
Economic Benefits Associated with Federal Forest Restoration

Federal forest restoration and forest collaboration support increased economic activity in eastern Oregon. The Oregon Department of Forestry use ...

Principal Investigator : Eric M. White

Resource Management and Use2016PNW
Photo of Researchers prepare to launch a balloon into a smoke plume to measure emissions during an operational scale fires at Eglin Air Force Base, Florida. Roger Ottmar, USDA Forest Service
ID: 515
Fire Combustion Experiment Produces Big Data Set to Validate a New Generation of Fire Models

Three operational scale fires (about 494-988 acres) and six fine scale (about 328-656 foot blocks) replicate units at Eglin Air Force Base, Flor ...

Principal Investigator : Roger D. Ottmar

Wildland Fire and Fuels2013PNW
Photo of Trees killed by sudden oak death near Big Sur, Calif.
ID: 1367
Fire in the wake of sudden oak death

Study predicts future flammability in plant communities where tanoak has been killed by sudden oak death.

Principal Investigator : Julian (Morgan) Varner

Water, Air, and Soil
Wildland Fire and Fuels
Inventory and Monitoring
Resource Management and Use
2017PNW
Photo of A researcher collects fuel samples during a prescribed burn as part ofWashington State’s Forest Resiliency Burning Pilot project.
ID: 1342
Forest Service research supports Washington State’s Forest Resiliency Burning Pilot Project

Forest Service researchers characterized fuel before and after prescribed burns in eastern Washington State and assessed post-fire tree mortalit ...

Principal Investigator : Roger D. Ottmar

Wildland Fire and Fuels
Inventory and Monitoring
2017PNW
Photo of Researchers put radio tags on barred owls to learn what forest types the owls preferred. USDA Forest Service
ID: 773
Forest Structure Characteristics Within Barred Owl Home Ranges are Similar to Areas Used by Spotted Owls

Competitive interactions with barred owls are an important factor contributing to the population decline of the threatened northern spotted owl. ...

Principal Investigator : Peter Singleton

Wildlife and Fish2015PNW
Photo of A fisher in the snow. Timothy Catton, USDA Forest Service
ID: 536
Habitat Preferences of Fishers

This is the first study to investigate the broader applicability of habitat selection patterns for fishers derived from multiple independent rad ...

Principal Investigator : Keith Aubry

Wildlife and Fish2013PNW
Photo of A two-age stand developing on the overstory study site in Washington's Capitol State Forest. Leslie Brodie, USDA Forest Service
ID: 521
Harvesting Overstory Trees Results in Little Damage to Residual Trees

A growing number of land owners and managers have expressed interest in harvest treatments that retain a partial overstory of trees to reduce th ...

Principal Investigator : Leslie C. Brodie

Resource Management and Use2013PNW
Photo of Invasive Japanese knotweed spreads aggressively along river banks, as it has here along Wildcat Creek in western Washington. Shannon Claeson, USDA Forest Service
ID: 528
Herbicide Eradication of Invasive Plants May Release Exotic Invaders

Noxious weed control programs can benefit from including post-treatment plant community surveys to determine if continued management is needed t ...

Principal Investigator : Shannon Claeson

Invasive Species2013PNW
Photo of At a community meeting in Issaquah, Washington, particpants discuss maps created by the public and their role in travel management planning. Lee Cerveny, U.S. Department of Agriculture Forest Service.
ID: 1045
Human Ecology Mapping Reveals Public Priorities for Forest Destinations and Roads

Public land managers often must prioritize among ongoing construction and maintenance of infrastructure and facilities valued by the public. Hum ...

Principal Investigator : Lee K. Cerveny

Outdoor Recreation
Resource Management and Use
2016PNW
Photo of Researchers conduct fish surveys along the Entiat River, Wash. USDA Forest Service
ID: 782
Instream Habitat Restoration Increases Stream Capacity for both Chinook Salmon and Steelhead Trout

Study finds positive response by fish to instream restoration projects in the Entiat River watershed in Washington. These results are being used ...

Principal Investigator : Karl Polivka

Wildlife and Fish2015PNW
Photo of Whitewater rafting on the Arkansas River in Browns Canyon National Monument, Colorado.
ID: 1415
Interactive mapping process highlights values and visitor use in Browns Canyon National Monument

Whitewater boating, hiking, and visiting historic sites are common activities in the monument. Local residents are more likely to visit places t ...

Principal Investigator : Lee K. Cerveny

Resource Management and Use
Water, Air, and Soil
2018PNW
Photo of Workshop participants map priority areas as part of the Human Ecology Mapping Project. Renee Bodine, USDA Forest Service
ID: 510
Interactive Mapping Project Advances All Lands Conservation

Mapping human connections both on and off the forest helps land managers better anticipate how changes to access in other jurisdictions may affe ...

Principal Investigator : Lee K. Cerveny

Resource Management and Use2013PNW
Photo of The endangered red-cockaded woodpecker (Picoides borealis). Jerry Payne, USDA Agricultural Research Serivce, Bugwood.org
ID: 73
Mapping Hardwood and Softwood Vegetation Types with LiDAR

Study informs forest management activities and assesses woodpecker habitat

Principal Investigator : Robert McGaughey

Inventory and Monitoring2012PNW
Photo of A marbled murrelet. Josh London, NOAA
ID: 537
Maps of Marbled Murrelet and Northern Spotted Owl Habitat Look 50 Years Ahead

Station scientists developed detailed wall-to-wall maps of marbled murrelet and northern spotted owl habitat, both current and 50 years into the ...

Principal Investigator : Martin G. Raphael

Wildlife and Fish
Resource Management and Use
2013PNW
Photo of
ID: 227
Marbled murrelet populations are declining in the Northwest Forest Plan area

The marbled murrelet, a seabird, is a threatened species under the Endangered Species Act. The 1996 Northwest Forest Plan is the guiding plan fo ...

Principal Investigator : Martin G. Raphael

Wildlife and Fish2010PNW
Photo of Daily prediction of atmospheric black carbon originating in the United States transported to the Arctic. Forest Service
ID: 74
Mitigating Arctic Black Carbon Deposition

Scientists identify meteorological conditions when black carbon does not travel to the Arctic

Principal Investigator : Sim Larkin

Wildland Fire and Fuels2012PNW
Photo of Woody debris after logging was removed at the site above; 3 years later Scotch broom, a nonnative invasive shrub, covered 26 percent of the area, whereas it covered 6 percent of the area when logging debris was left on site. Tim Harrington, Forest Service
ID: 341
More Scotch broom found where logging debris was removed

Scotch broom, a nonnative, invasive species, is a severe competitor of young Douglas-fir.

Principal Investigator : Timothy B. Harrington, Ph.D.

Resource Management and Use2011PNW
Photo of Field crew with the Pacific Northwest Research Station sample willow shrubs on the Pumice Plain of Mount St. Helens. Pyroclastic flows during the 1980 eruption removed all traces of the old-growth forest here, about four miles north of the volcano. USDA Forest Service
ID: 767
Mount St. Helens Plays a Central Role in the Field of Volcano Ecology

Ecological lessons and methods developed during studies on Mount St. Helens are now used to shape research and monitoring at other volcanic site ...

Principal Investigator : Charlie Crisafulli

Wildlife and Fish
Resource Management and Use
2015PNW
Photo of Invasive Scotch broom shades out tree seedlings and other native vegatation. Eric Coombs, Oregon Department of Agriculture
ID: 678
New Herbicides Developed to Fight Scotch Broom

Scotch broom is a large, nonnative shrub that has invaded forest sites throughout the Pacific Northwest. Three recently developed herbicides pro ...

Principal Investigator : Timothy B. Harrington, Ph.D.

Invasive Species
Resource Management and Use
2014PNW
Photo of
ID: 76
New Techniques Improve National Emissions Inventory for Wildland Fire

The U.S. Environmental Protection Agency (EPA) is using new techniques to create the next national emissions inventory for wildland fire

Principal Investigator : Sim Larkin

Wildland Fire and Fuels2012PNW
Photo of A field tour of potential collaborative projects on the Sweet Home Ranger District, Willamette National Forest. Emily Jane Davis, Oregon State University
ID: 788
Oregon Forest Collaboratives: What Are the Similarities and Differences Among Them?

Collaboration is a currently a popular approach to resolving conflict around national forest management, particularly in regard to forest health ...

Principal Investigator : Lee K. Cerveny

Resource Management and Use2015PNW
Photo of Science-based guidelines for planting and caring for Oregon white oaks have been quickly adopted by people planning regeneration programs to halt the decline of this native tree. Above, a technician examines growth on an oak seedling 8 years after planting. Warren Devine, Forest Service
ID: 338
Oregon white oak regeneration enhanced through proper seed and seedling management

Planting Native Oak in the Pacific Northwest is the first comprehensive study of Oregon white oak planting technique. Without post-planting man ...

Principal Investigator : Connie Harrington

Resource Management and Use2011PNW
Photo of At a farmers' market in Carnation, Wash., members of the public identify some of their favorite places for outdoor recreation. USDA Forest Service
ID: 787
Outdoor Recreation Study Maps the Places People Love

Going to the people: Shoppers at farmers’ markets in King County, Wash., shared information about their favorite places for outdoor recreation ...

Principal Investigator : Lee K. Cerveny

Outdoor Recreation2015PNW
Photo of A burned stand that has not been salvaged logged. USDA Forest Service
ID: 790
Postfire Logging Reduces Future Surface Woody Fuels in Dry Coniferous Forests

Severe wildfires create pulses of dead trees that influence future fuel loads, fire behavior, and fire effects as they decay and deposit surface ...

Principal Investigator : David W. Peterson

Wildland Fire and Fuels
Resource Management and Use
2015PNW
Photo of
ID: 342
Presence of tanoak reduces Douglas-fir mortality from black-stain root disease

Black-stain root disease is a native pathogen of conifers in the Pacific Northwest. The disease reduces growth and ultimately kills the infected ...

Principal Investigator : Timothy B. Harrington, Ph.D.

Resource Management and Use2011PNW
Photo of A prescribed burn such as this one emits a relatively small carbon pulse. Roger Ottmar, USDA Forest Service
ID: 518
Pros and Cons of Fuel Treatments Versus Periodic Wildfire Determined

Hazardous fuel treatments in dry Western forests generally reduce carbon storage over time compared to periodic wildfires, but the treatments en ...

Principal Investigator : David W. Peterson

Wildland Fire and Fuels2013PNW
Photo of Yellow-cedar (Callitropsis nootkatensis) in Cedar Bay, Alaska.
ID: 1368
Recent increases found in yellow-cedar in Alaska

In most unmanaged forests in Alaska, yellow-cedar has recently increased, as measured by live tree basal area, and the average mortality rate ha ...

Principal Investigator : Tara M. Barrett

Inventory and Monitoring
Outdoor Recreation
2017PNW
Photo of
ID: 81
Responding to Climate Change on National Forests

A new guidebook provides a scientific foundation and framework for preparing for climate change

Principal Investigator : David L. Peterson

Resource Management and Use2012PNW
Photo of Hikers in the Olympic National Forest, Washington.
ID: 1358
Revealing the economic benefits of outdoor recreation in national forests

Forest Service research provides updated data and technical guidance for computing the economic benefits of recreation at national, regional, an ...

Principal Investigator : Eric M. White

Resource Management and Use
Outdoor Recreation
2017PNW
Photo of Trout Creek, Washington, after removal of the Hemlock Dam. USDA Forest Service
ID: 783
River Conditions Improve with a Modified Dam Removal Strategy in Washington State

Forest Service scientists used a modified dam-removal strategy on the Hemlock Dam in Washington to successfully minimize downstream sedimentatio ...

Principal Investigator : Shannon Claeson

Wildlife and Fish
Resource Management and Use
2015PNW
Photo of The Columbia River Gorge National Scenic Area. Pete Bisson, USDA Forest Service
ID: 529
River Food Webs are an Important Consideration for River Restoration

The current emphasis on restoring habitat structure, without explicitly considering food webs, has been less successful than hoped in terms of e ...

Principal Investigator : Pete Bisson

Wildlife and Fish2013PNW
Photo of A smoke monitor collects data during a prescribed on Deschutes National Forest. USDA Forest Service
ID: 776
Scientists Acquire Better Knowledge of Smoke Transport During Prescribed Burning in the Wildland-urban Interface of Bend, Oregon

Smoke from prescribed fires in the Deschutes National Forest has negatively affected the city of Bend, Oregon, nine times over the past two year ...

Principal Investigator : Susan O'Neill

Wildland Fire and Fuels
Water, Air, and Soil
2015PNW
Photo of A Forest Service technician measures a snag in Alaska as part of the National Forest Inventory and Analysis Program. Jon Williams, USDA Forest Service
ID: 531
Scientists Develop the First Estimates of Aboveground Carbon Flux and Storage in Trees Within the National Forests of Alaska

While the Tongass National Forest had no detectable change in above-ground tree carbon, the Chugach National Forest had an average annual increa ...

Principal Investigator : Tara M. Barrett

Inventory and Monitoring2013PNW
Photo of Forest Service scientists check an instrument that measures smoke concentrations downwind from a research burn. Randy Gon, U.S. Air Force
ID: 516
Scientists Publish National and International Methods of Linking Particulate Matter in the Air to Potential Health Impacts from Wildfire Smoke

Scientists with the Forest Service's Pacific Northwest Research Station pinpoint the limitations of using visual range measurement to estimate ...

Principal Investigator : Susan O'Neill

Wildland Fire and Fuels
Water, Air, and Soil
2013PNW
Photo of A marbled murrelet. USDA Forest Service
ID: 838
Scientists Study Marbled Murrelet Populations and Nesting Habitat Under the Northwest Forest Plan

The marbled murrelet is listed as threatened under the U.S. Endangered Species Act. Conservation of the murrelet is an objective of the Northwe ...

Principal Investigator : Martin G. Raphael

Wildlife and Fish2015PNW
Photo of Researchers assess a site in southern Oregon after a windstorm. A portion of the study area was later salvaged logged and treated to reduce hazardous fuel. Morris Johnson, USDA Forest Service
ID: 525
Scientists Study Salvage Logging After a Major Windstorm

These results illustrate potential differences between the effects of salvage logging after windstorms and the effects of salvage logging after ...

Principal Investigator : Morris C. Johnson

Resource Management and Use2013PNW
Photo of A prescribed burn on the Okanogan-Wenatchee National Forest. USDA Forest Service
ID: 839
Seven Core Principles Can Guide Restoration of Fire-prone Inland Pacific Landscapes

More than a century of forest and fire management of Inland Pacific landscapes has transformed their successional and disturbance dynamics. Curr ...

Principal Investigator : Paul F. Hessburg, Sr.

Wildland Fire and Fuels2015PNW
Photo of A researcher collects a soil sample that will be analyzed to determine how retention of logging debris affects nutrient levels. Tim Harrington, USDA Forest Service
ID: 520
Some Logging Debris Cover Boosts Growth of Douglas-fir Seedlings on Low-nutrient Site

Stem growth of Douglas-fir seedlings with 40 percent debris cover and competing vegetation was greater than that of seedlings with zero or 80 pe ...

Principal Investigator : Timothy B. Harrington, Ph.D.

Resource Management and Use2013PNW
Photo of A technician ignites a controlled burn in pine flatwoods of the Apalachicola National Forest.  Clint Wright, USDA Forest Service
ID: 517
Statistical Models Improve Predictions of Fuel Consumption and Emissions During Prescribed Fires

The scientists developed ecosystem- and season-specific statistical models for predicting fuel consumption from easily measured variables that i ...

Principal Investigator : Clinton Wright

Wildland Fire and Fuels2013PNW
Photo of National forests in eastern Oregon and Washington are using information from this new synthesis to plan restoration projects.? USDA Forest Service
ID: 833
Synthesis on Mixed-Conifer Forest Science Provides Scientific and Practical Guidance to Landscape Restoration

Forest Service and university scientists developed a comprehensive synthesis of the best available science about mixed conifer forests in easter ...

Principal Investigator : Paul F. Hessburg, Sr.

Resource Management and Use2015PNW
Photo of The Malone jumping slug (Hemphillia malonei) is one of seven species of jumpingslugs found in the Pacific Northwest. Robin Malone, USDA Forest Service
ID: 671
Terrestrial Mollusks Respond to Logging in Riparian Areas

Little is known about the biology and response to environmental change of native, terrestrial mollusks in the Pacific Northwest. Because of moll ...

Principal Investigator : Alex Foster

Wildlife and Fish
Resource Management and Use
2014PNW
Photo of Field crew measure the amount of remaining fuel on the forest floor after a prescribed burn on Nenana Ridge, Alaska. Roger Ottmar, Forest Service
ID: 84
Testing Fuel Treatments in Boreal Forests

A first-of-its-kind study tests the effects of fuel treatment on fuel consumption and fire behavior in Alaska's boreal forest

Principal Investigator : Roger D. Ottmar

Wildland Fire and Fuels2012PNW
Photo of A researcher collects a twig sample from a Douglas-fir tree growing in one of the garden sites in the Douglas-fir Seed-Source Movement Trial. Brad St. Clair, U.S. Department of Agriculture Forest Service.
ID: 981
The Douglas-fir Seed-Source Movement Trial Sheds Light on Responses of Adaptive Traits to Changing Climates

This multi-site Forest Service study, encompassing a range of climate and soil conditions, is providing some very specific results on tree growt ...

Principal Investigator : Connie Harrington

Resource Management and Use2016PNW
Photo of Dustin Smith takes field weather observations during a 2010 prescribed burn in Idaho.
ID: 1427
The Hot-Dry-Windy Index improves fire weather forecasting

A new tool helps fire managers anticipate when wildfires could become erratic or dangerous.

Principal Investigator : Brian Potter

Water, Air, and Soil
Wildland Fire and Fuels
Inventory and Monitoring
Wildlife and Fish
2018PNW
Photo of An aerial view of an irregular thinning and gap-creation treatment in a stand of young Douglas-fir planted after the 1980 eruption of Mount St. Helens, Washington.
ID: 1459
Thinning to create gaps in forest canopy increases structural variability in conifer plantations

Two studies provide scientific basis for stand treatments designed to accelerate bio- and structural diversity in uniform conifer stands in west ...

Principal Investigator : Leslie C. Brodie

Resource Management and Use
Water, Air, and Soil
2018PNW
Photo of A Forest Service researcher measures the diameter of a seedling in the Douglas-fir Seed Source Movement Trial at the J. Herbert Stone Nursery in Central Point, Oregon. Connie Harrington, USDA Forest Service
ID: 533
Tree Adaptation to Future Climates Involves Multiple Aspects

Genetic variation in growth phenology is a potentially important resource for mitigating some of the effects of climate change. Variation in dia ...

Principal Investigator : Connie Harrington

Resource Management and Use2013PNW
Photo of A scientist gathers a moss sample from a neighborhood tree in Portland, Oregon. Julie Johnson, U.S. Department of Agriculture Forest Service.
ID: 1044
Tree Moss can be Used as an Inexpensive Bioindicator of Air Pollution in Complex Urban Environments

Urban air pollution monitors are very expensive and often too widely spaced to identify many sources of air pollution. Mosses accumulate polluta ...

Principal Investigator : Simon M. Kihia

Inventory and Monitoring
Water, Air, and Soil
2016PNW
Photo of Forest managers can use this new synthesis to develop science-based plans for managing forests and rangelands under changing environmental conditions. USDA Forest Service
ID: 666
Understanding Vegetation Vulnerability to Climate Change

This synthesis paper reviews potential climate change impacts on Pacific Northwest vegetation and provides a scientific basis for developing vul ...

Principal Investigator : David W. Peterson

Resource Management and Use2014PNW
Photo of A community garden in the Seattle metro area. Kathy Wolf, USDA Forest Service
ID: 511
Washington's Green-Duwamish Watershed joins Urban Waters Federal Partnership

The Green-Duwamish Urban Waters Federal Partnership focuses on salmon recovery and environmental justice initiatives, with the added goal of cr ...

Principal Investigator : Dale Blahna

Water, Air, and Soil2013PNW