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Highlight IDTitleStrategic Program Area(s)YearStation
Photo of Tree mortality in the Sierra Nevada National Forest, California. U.S. Department of Agriculture Forest Service.
ID: 1188
A New Tool for Detecting and Attributing Cause of Tree Decline

Insects and pathogens generally first kill branches at the top of a tree, whereas drought affects the lower branches first. Unlike satellite ima ...

Principal Investigator : Nancy E. Grulke

Resource Management and Use2016PNW
Photo of This 2017 report,Integrating Ecosystem Services into National Forest Service Policy and Operations, was developed by the National Ecosystem Services Strategy Team.
ID: 1347
A strategy for ecosystem services

The Forest Service is poised to be a leader in the integration of ecosystem services concepts for forestland managers. This report demonstrates ...

Principal Investigator : Robert Deal

Water, Air, and Soil
Resource Management and Use
2017PNW
Photo of A radio-collared elk browses on cottonwood in the Starkey Experimental Forest and Range, Oregon.
ID: 1374
Aboveground and belowground herbivores control growth and survival of deciduous shrubs in understories of conifer forests

These research results on the combined effects of herbivory by cattle, elk, and pocket gophers provide robust new knowledge about how mammalian ...

Principal Investigator : Michael Wisdom, Dr.

Resource Management and Use
Wildlife and Fish
Water, Air, and Soil
2017PNW
Photo of Smith River, Oregon. Loretta Ellenburg, U.S. Department of Agriculture Forest Service.
ID: 973
Alternative Riparian Management Approaches May Meet Objectives of the Northwest Forest Plan’s Aquatic Conservation Strategy

Forest Service scientists synthesized current science of aquatic ecology and riparian reserve management to develop alternative approaches that ...

Principal Investigator : Gordon Reeves

Water, Air, and Soil
Resource Management and Use
Wildlife and Fish
2016PNW
Photo of One year after a prescribed fire at a study site on the Plumas National Forest, California. Joe Larson, U.S. Department of Agriculture Forest Service.
ID: 1071
An Evaluation of the Forest Service Hazardous Fuels Treatment Program

Are fuel management treatments implemented broadly enough as well as sited correctly?A core goal of the Cohesive Strategy is to manage fuels at ...

Principal Investigator : Nicole Vaillant

Wildland Fire and Fuels2016PNW
Photo of A Forest Service researcher takes moss samples in Portland, Ore., as part of a study to analyze the moss for evidence of airborne toxins. Moss serve as a living record of local air pollution. USDA Forest Service
ID: 789
An Innovative Study Uses Moss to Measure Air Toxin Levels at Schools in Portland, Oregon

Air pollution has been linked to major health problems including cancer, cardiovascular disease, and adverse birth outcomes. Children can be par ...

Principal Investigator : Geoffrey Donovan

Water, Air, and Soil2015PNW
Photo of A mechanical fuels reduction treatment on a study site in the Pringle Falls Experimental Forest. Rhonda Mazza, U.S. Department of Agriculture Forest Service.
ID: 1072
Assessing the Impacts of Federal Forest Planning on Wildfire Risk Mitigation in the Pacific Northwest

In the western U.S., a presumed factor contributing to the transmission of fire from national forests to the wildland urban interface (WUI) are ...

Principal Investigator : Alan Ager

Resource Management and Use2016PNW
Photo of Beargrass in bloom. Chris Schnepf, Univestiy of Idaho
ID: 660
Beargrass, Long Treasured by Native Americans, Faces Pressure from the Commercial Floral Industry

Leaf harvest by the floral industry is causing shifts in disturbance within beargrass habitat.

Principal Investigator : Susan Stevens Hummel

Resource Management and Use2014PNW
Photo of Caption: Retreating glaciers leave loose sediment exposed, increasing risk of large debris flows following heavy rain. Gordon Grant, Forest Service
ID: 352
Cascade volcanoes may be at greater risk for debris flows as climate warms

Scientists with the Pacific Northwest Research Station discovered previously unreported links between receding glaciers, areas of stagnant and d ...

Principal Investigator : Gordon Grant

Resource Management and Use2011PNW
Photo of Forest Service scientists, resource managers, and members of the Lakeview Stewardship Group discuss management of fire-prone forests on a field trip in the Fremont-Winema National Forest, Oregon.
ID: 1380
Challenges in coordinating wildfire risk reduction among diverse forest owners

Research across a multi-owner landscape in central Oregon found that in general, Forest Service management was likely to produce forest conditio ...

Principal Investigator : Susan Charnley

Wildland Fire and Fuels
Inventory and Monitoring
2017PNW
Photo of A cheatgrass invasion after burning in a ponderosa pine-bunch grass plant community on the Malheur National Forest in Oregon. Study plots are monitored through time to examine the long-term response of cheatgrass to different season and intervals of prescribed burning.
ID: 1372
Cheatagrass response to prescribed burning in Oregon studied over 10 years

Scientists created a model to explain cheatgrass dynamics at different invasion stages, from local cheatgrass establishment to broader scale in ...

Principal Investigator : Becky K. Kerns

Invasive Species2017PNW
Photo of A thinned riparian site within the Density Management and Riparian Buffer Study, Oregon. Deanna Olson, USDA Forest Service
ID: 526
Collected Works Summarize Forest Dynamics and Ecosystem Responses to Partial Overstory Harvests

Density Management in the 21st Century: West Side Story presents abstracts and peer reviewed papers from a 2011 regional conference highlighting ...

Principal Investigator : Paul Anderson

Water, Air, and Soil
Resource Management and Use
2013PNW
Photo of Douglas-fir wood at 57X magnification. Chemical analysis shows that Douglas-fir wood from different geographic regions has distinct chemical “fingerprints,” which can be used to identify the geographic origin of the wood.
ID: 1408
Combatting illegal logging with technology

Chemical fingerprints can determine the geographic origin of wood.

Principal Investigator : Richard Cronn

Resource Management and Use
Water, Air, and Soil
2017PNW
Photo of Woodchips fuel the boiler used by the Tok School District, Alaska. USDA Forest Service
ID: 784
Community Biomass Handbook for Alaska Published

Volume 2 of the Community Biomass Handbook focuses on Alaska. It is designed to empower communities by helping them determ the best choices for ...

Principal Investigator : Eini C. Lowell

Resource Management and Use2015PNW
Photo of Screen shot of the wood energy fiancial application. USDA Forest Service
ID: 667
Community Biomass Handbook Guides Businesses Seeking to Replace Fossil Fuels with Wood Energy

Available as an eBook, this biomass handbook containes a wood energy financial application that allows users to quickly assess whether wood ener ...

Principal Investigator : Eini C. Lowell

Resource Management and Use2014PNW
Photo of Community Biomass Handbook volume 4 helps users identify complementary biomass products that make ecologic and economic sense.
ID: 1361
Community Biomass Handbook Volume 4

The Community Biomass Handbook Volume 4: Enterprise Development for Integrated Wood Manufacturing is a guide for creating sustainable business e ...

Principal Investigator : Eini C. Lowell

Resource Management and Use
Water, Air, and Soil
2017PNW
Photo of
ID: 353
Conservation priorities identified for Northwest amphibians and reptiles

At a reptile conservation conference, scientists and natural resource managers synthesized conservation concerns and priorities for 105 species ...

Principal Investigator : Deanna ("Dede") H. Olson

Wildlife and Fish2011PNW
Photo of The Marmot Dam on the Sandy River in Oregon was breached in October 2007 to improve habitat for salmon and steelhead. Gordon Grant, Forest Service
ID: 91
Dam Removal Produces Largest Release of Sediment in History

Four years of research on the Sandy River after the removal of the Marmot Dam provides guidance for future dam removals

Principal Investigator : Gordon Grant

Water, Air, and Soil2012PNW
Photo of
ID: 242
Deep groundwater mediates streamflow response to climate warming and will provide a major source of summer streamflow for the western U.S. in the future

Prior efforts to model streamflow trends, and hence the availability of water, under future climate scenarios in the Western United States focus ...

Principal Investigator : Gordon Grant

Water, Air, and Soil2010PNW
Photo of Number of trees projected to die by end of summer 2017. Red areas of map indicate intense levels of tree mortality due to drought, bark beetles, and wood borers; dark blue areas represent a low likelihood of any mortality.
ID: 1341
Early tree mortality forecasts help California mitigate fire risk

Forecasts help protect public health and property.

Principal Investigator : Nancy E. Grulke

Inventory and Monitoring2017PNW
Photo of Field crew measure trees at H.J. Andrews Experimental Forest. USDA Forest Service
ID: 791
Equations Used to Estimate Regional Tree Biomass and Carbon can be Improved

Developing nationally consistent methods for defining, measuring, and calculating biomass components will improve the reliability and applicatio ...

Principal Investigator : Andrew Gray

Inventory and Monitoring2015PNW
Photo of
ID: 333
FIA 5-year report summarizes forest conditions in Washington

This report highlights forest conditions and trends from 2002 to 2006 for all forest lands in Washington State. This information establishes a b ...

Principal Investigator : Karen Waddell

Inventory and Monitoring2011PNW
Photo of A koa log. Forest Service
ID: 95
Finding Value in Young-Growth Koa Wood

A demonstration project informs the forest industry in Hawai'i of the quality and uses for young-growth Koa wood

Principal Investigator : Eini C. Lowell

Resource Management and Use2012PNW
Photo of
ID: 237
Focusing only on small trees is not an economical or effective way to reduce fire hazard

PNW scientists created an analysis framework called FIA BioSum that uses the nationwide Forest Inventory and Analysis (FIA) database and allows ...

Principal Investigator : Jeremy S. Fried

Wildland Fire and Fuels2010PNW
Photo of An agricultural area near Sequim, Washington, with recent housing developments on previous agricultural and forest resource lands. Andrew Gray, USDA Forest Service
ID: 513
Forest and Agricultural Land Area Declines in Washington State While Residential and Urban Land Use Increases Over Past 30 years

Station scientists and partners assessed changes in land use and housing density across Washington state from 1976 to 2006. They found that the ...

Principal Investigator : Andrew Gray

Inventory and Monitoring2013PNW
Photo of
ID: 223
Forest managers receive requested side-by-side comparison of fuel treatments

Forest managers throughout the United Stated have asked for side-by-side comparisons of treatments to better understand the ecological and econo ...

Principal Investigator : Anthony Youngblood

Wildland Fire and Fuels2010PNW
Photo of This map highlights where threats such as wildfire, insects, and disease exist, overlap, and intersect with urban and exurban development. USDA Forest Service
ID: 535
Forest Mapping Study Helps Identify Regions with Multiple Threat Potential, Including Wildfires

Policymakers and land managers can use the maps to identify locations where particular threats may be more concentrated relative to others and t ...

Principal Investigator : Jeffrey D. Kline

Wildland Fire and Fuels2013PNW
Photo of A stand of grand fir and Douglas-fir in eastern Oregon. Dave Powell, USDA Forest Service
ID: 665
Forest restoration efforts yield climate benefits

In Douglas-fir and true-fir dominated dry mixed-conifer forests of the northwest, implementing selective harvest and surface fuel treatments gen ...

Principal Investigator : Jeremy S. Fried

Resource Management and Use2014PNW
Photo of Dr. James Trappe (Forest Service, emeritus scientist) and Mr. Turgut Keskin (Turkish entrepreneur interested in developing a commercial truffle industry in Turkey) enjoy the aroma of Tuber aestivum near Denizli, Turkey. Michael Castellano, USDA Forest Service
ID: 492
Forest Service Scientists Help Turkish Foresters Cultivate Truffle Species

Forest Service scientists provided training to Turkish Ministry of Forestry personnel in the importance of ectomycorrhizal fungi to forest produ ...

Principal Investigator : Michael Castellano

Wildlife and Fish
Resource Management and Use
Outdoor Recreation
2013NRS
Photo of A study site at the Starkey Experimental Forest and Range that was thinned and then fenced to exclude ungulate herbivory. USDA Forest Service
ID: 826
Fuels Reduction and Ungulate Grazing Effects on Exotic Plant Species are Short-lived in Upland Forest Understories

Disturbances of fire and domestic ungulates have been shown to facilitate the spread and establishment of exotic plant species in many grassland ...

Principal Investigator : Michael Wisdom, Dr.

Resource Management and Use2015PNW
Photo of Gender and Forests, published in 2017.
ID: 1366
Gender bias affects forests worldwide

A new book compiles 30 years of key articles on gender and forests and concludes gender biases persist in forestry research and practice.

Principal Investigator : Susan Stevens Hummel

Resource Management and Use
Water, Air, and Soil
2017PNW
Photo of During a field tour of Heen Latinee Experimental Forest, Alaska, attendees learned about ongoing research on yellow-cedar. Judy Mason, USDA Forest Serivce
ID: 669
Genetic Analysis Shows the Scale and Pattern of Spatial Genetic Variation in Yellow-Cedar

Genetic analysis shows that yellow-cedar is a diverse and highly mobile species.

Principal Investigator : Richard Cronn

Resource Management and Use2014PNW
Photo of New technologies enable researchers to identify genetic differences within a species, for example, identifying populations from different regions. This diagram of the fisher mitochondrial genome shows the location of genes (blue, red, purple), and variable nucleotide positions (tick marks, inner circle). Richard Cronn, Forest Service
ID: 335
Genetic studies reveal population structure of fisher predate management

This research is being used to aid management decisions about whether these populations warrant protection under the Endangered Species Act. Sci ...

Principal Investigator : Richard Cronn

Wildland Fire and Fuels2011PNW
Photo of A sequoia scarred by a 2015 fire in the Sierra National Forest. U.S. Department of Agriculture Forest Service.
ID: 1135
Ground-based Estimates of Fire Severity Reveal Information Undetected by Satellite Imagery Analyses

A new study provides a broad-scale characterization of the extent of relatively low-severity fires and small fires, including prescribed fires, ...

Principal Investigator : Andrew Gray

Inventory and Monitoring2016PNW
Photo of
ID: 241
Harvest pattern influences survival of forest-dependent species

The Demonstration of Ecosystem Management Options (DEMO) study was established in 1994 to evaluate the benefits of leaving some live trees stand ...

Principal Investigator : Charles Peterson

Resource Management and Use2010PNW
Photo of Lingering ecological effects can be found along the edges of past harvests for decades.
ID: 1365
How do old clearcuts affect old-growth?

The edge influence of past clearcutting on the structure of neighboring uncut old-growth forests is widespread and persistent. These indirect an ...

Principal Investigator : David M. Bell

Resource Management and Use
Water, Air, and Soil
2017PNW
Photo of Housing development near the Gifford Pinchot National Forest, Washington. Rhonda Mazza, USDA Forest Service
ID: 675
Increasing Development Near Public Forest Lands in Washington and Oregon Has Implications for Public Land Management and Fire Suppression

Areas bordering public forest land in Washington and Oregon are showing substantial increases in development, with the number of structures on p ...

Principal Investigator : Andrew Gray

Inventory and Monitoring
Resource Management and Use
2014PNW
Photo of Mapped elevations that can inform predictions of sea-level rise at the Salmon River Estuary, Oregon. Rebecca Flitcroft, USDA Forest Service
ID: 670
Keeping Pace with Sea-level Rise: Insights for Oregon Estuaries

Scientists mapped the margin of current mean high tide, and contour intervals associated with different potential increases. They found that som ...

Principal Investigator : Rebecca Flitcroft

Water, Air, and Soil
Wildlife and Fish
2014PNW
Photo of
ID: 239
Land use policies affect levels of carbon sequestration

Researchers used the Forest and Agriculture Sector Optimization Model-Greenhouse Gases Model to analyze alternative policy scenarios and compare ...

Principal Investigator : Ralph Alig

Resource Management and Use2010PNW
Photo of Bone lichen (Hypogymnia spp.) is a common sight in Alaska's forests. Sarah Jovan, USDA Forest Service
ID: 662
Lichen Are Indicators of Climate Change in Southern Alaska's Forests

Lichens respond quickly to climate changes and potentially allow early detection of shifting conditions before other changes in vegetation are a ...

Principal Investigator : Sarah Jovan, Dr

Inventory and Monitoring2014PNW
Photo of Quercus kelloggii lichen grows in the San Bernardino National Forest that receives about 70 kilograms of nitrogen per hectare per year -- background levels are less than 1kg. Sarah Jovan, Forest Service
ID: 92
Lichen Communities Serve as Canary in the Coal Mine for Air Pollution

A comparison of lichen communities from 1976 to 2008 suggests continued deterioration of air quality in the Los Angeles Basin despite policy and ...

Principal Investigator : Sarah Jovan, Dr

Inventory and Monitoring2012PNW
Photo of Wolf lichen (Letharia spp.) is a species frequently used to estimate nitrogen deposition in western forests. Jason Hollinger, Wikimedia Commons
ID: 663
Lichen Indicate Air Quality Near Natural Gas Wells

Nitrogen in lichen tissues closely correlates with measured nitrogen deposition in forests near natural gas wells in the Bridger Wilderness, WY. ...

Principal Investigator : Sarah Jovan, Dr

Water, Air, and Soil
Inventory and Monitoring
2014PNW
Photo of A rainbow trout. Mark Lisac, U.S. Fish and Wildlife
ID: 672
Lipid Accumulation and Metabolic Rate Influence Steelhead versus Rainbow Trout Life History

The salmonid species Oncorhynchus mykiss can become sea-going steelhead or freshwater rainbow trout. Scientists found that lipid accumulation an ...

Principal Investigator : Gordon Reeves

Wildlife and Fish
Water, Air, and Soil
2014PNW
Photo of The Blue River in H.J. Andrews Experimental Forest, Oregon. Tom Iraci, USDA Forest Service
ID: 530
Long-term Nitrogen Trends Differ in Pristine Forested Streams

Stream nitrate has declined in the Pacific Northwest, in the Northeast, and in Puerto Rico, but it has increased in the Mountain West and the So ...

Principal Investigator : Sherri Johnson

Water, Air, and Soil2013PNW
Photo of A drained tundra lake with remnant pools in northwest Alaska. USDA Forest Service
ID: 825
Major Shifts in Wildlife Habitats Projected for the 21st Century in Northwest Alaska Under Changing Climates

Climate is changing roughly twice as fast in the Arctic than it is further south, thus providing an "early warning system" for impending changes ...

Principal Investigator : Bruce G. Marcot

Resource Management and Use
Wildlife and Fish
2015PNW
Photo of
ID: 336
Majority of surveyed family forest owners in eastern Oregon treat land to reduce wildfire risk

This study identified the different types of landowners who might benefit from policies and programs for wildfire risk reduction. It also reveal ...

Principal Investigator : Paige Fischer

Wildland Fire and Fuels2011PNW
Photo of A public field tour in the Deschutes National Forest, Oregon. Resource managers, scientists, and the public discuss management strategies for fire-prone forests such as the Deschutes National Forest.
ID: 1340
Managing fire-prone forests in multi-ownership landscapes

A Forest Service study reveals many new insights into a multi-ownership fire prone landscape in Oregon's eastern Cascade Range.. For example, fe ...

Principal Investigator : Thomas Spies

Wildland Fire and Fuels
Inventory and Monitoring
Water, Air, and Soil
Resource Management and Use
2017PNW
Photo of The Klamath Marsh National Wildlife Refuge provides a wide variety of ecosystem services including clean water and air, wildlife habitat, and scenic beauty. Tom Iraci, Forest Service
ID: 72
Managing for Ecosystem Services on Public Land

New report provides an overview of how national forests can address ecosystem services and tradeoffs associated with forest management plans and ...

Principal Investigator : Jeffrey D. Kline

Resource Management and Use2012PNW
Photo of The anticipated arrival of average annual temperatures that are outside historical ranges within the conterminous Unites States if greenhouse gas emissions continue to rise throughout the 21st century. Becky Kerns, U.S. Department of Agriculture Forest Service.
ID: 1187
Mapping Coincidence of Landscape Exposure to Multiple Stressors Including Climate Change

New maps factor in climate change and illustrate landscape exposure to additional stressors (wildfire potential, insects and disease risk, urban ...

Principal Investigator : Becky K. Kerns

Resource Management and Use2016PNW
Photo of
ID: 228
Maps illustrate 23 years of change on Northwest forests

By using historical remote-sensing data, researchers developed maps of annual forest change between 1984 and 2007. These maps, with a resolution ...

Principal Investigator : Warren B. Cohen

Inventory and Monitoring2010PNW
Photo of Understanding rates of biomass accumulation is critical to understanding how forest disturbance and regrowth influence carbon dynamics. Connie Harrington, Forest Service
ID: 340
Maps of biomass dynamics support North American Carbon Program

Forest Service scientists and collaborators modeled live, aboveground tree biomass by using Forest Inventory and Analysis field data and applied ...

Principal Investigator : Warren B. Cohen

Resource Management and Use2011PNW
Photo of Researchers collect soil samples to learn what mycorrhizal fungi are present in this stand of lodgepole pine on the Deschutes National Forest. Jane E. Smith, USDA Forest Service
ID: 673
Multi-host Fungi May Facilitate Migrations of Pine Species with Climate Change

Mycorrhizal fungi networks provide conduits for nutrient exchange between tree species. In an assisted migration management approach, mycorrhiza ...

Principal Investigator : Jane E. Smith

Water, Air, and Soil
Resource Management and Use
2014PNW
Photo of A stand of ponderosa pine in central Oregon after thinning and prescribed burning. Tom Iraci, Forest Service
ID: 337
Multiple fuel treatments likely needed to restore resiliency in fire-adapted ecosystems

Fuel reduction and restoration treatments can be used to begin restoring late-successional stand structure, but single treatments are insufficie ...

Principal Investigator : Anthony Youngblood

Wildland Fire and Fuels2011PNW
Photo of Fuel is masticated prior to a prescribed burn on a study plot in the Pringle Falls Experimental Forest. Rhonda Mazza, Forest Service
ID: 79
National Study Evaluates Fuel Treatments in Reducing Risk of Fire

Mechanical treatments do not serve as surrogates for fire treatments

Principal Investigator : Anthony Youngblood

Wildland Fire and Fuels2012PNW
Photo of Standardized sampling of sagebrush habitats can inform management actions for sagebrush obligates like greater sage-grouse. Mary Rowland, USDA Forest Service
ID: 758
National Technical Guide Provides a Foundation for Monitoring Wildlife Habitat on National Forests

This technical guide offers comprehensive guidance for habitat monitoring on public lands in the United States, particularly national forests an ...

Principal Investigator : Mary M. Rowland

Wildlife and Fish
Inventory and Monitoring
2014PNW
Photo of Douglas-fir killed by sprucebud worm on the Malheur National Forest in eastern Oregon. Dave Powell, USDA Forest Serivce
ID: 664
Net Forest Carbon in Oregon Increased Slightly During the Last Decade

Gains in forest carbon through tree growth and afforestation in the Pacific Northwest were offset by fire, insects, cutting, and deforestation.

Principal Investigator : Andrew Gray

Inventory and Monitoring2014PNW
Photo of
ID: 225
NetMap: A Tool Supporting Watershed Science and Resource Management

The Willamette National Forest is using NetMap to prioritize road restoration and removal projects, and the Oregon Department of Forestry is usi ...

Principal Investigator : Gordon Reeves

Wildlife and Fish2010PNW
Photo of
ID: 226
New genome sequencing method reveals a species evolutionary history

Organelle genomes from plants, animals, and fungi are used as genetic markers to track maternal diversity, historical migration, and maternally ...

Principal Investigator : Richard Cronn

Wildlife and Fish2010PNW
Photo of Prescribed burns, such as this one in the Coconino National Forest in northern Arizona, are an effective way to reduce accumulated fuels. New insights on the physiological response of trees to heat stress will help land managers determine the likelihood of tree mortality following a burn.
ID: 1346
New insight to how exposure to sub-lethal temperatures affects trees

When woody tree tissues reach 86 to 140 degrees Fahrenheit (30 to 60 degrees Celsius) during a fire, three physiological mechanisms may be trig ...

Principal Investigator : Rick G. Kelsey

Wildland Fire and Fuels
Resource Management and Use
Inventory and Monitoring
Water, Air, and Soil
2017PNW
Photo of Diminishing snowpack will cause reductions in summer streamflows in the Pacific Northwest. Sasha Sulia, USDA Forest Service
ID: 519
New Maps Detail Areas Sensitive to Reduced Summer Streamflows as a Result of Climate Warming

New maps assist resource planners in the Forest Service, Bureau of Land Management, and Oregon Watershed Enhancement Board in assessing risk to ...

Principal Investigator : Gordon Grant

Water, Air, and Soil2013PNW
Photo of The tundra of interior Alaska hosts an incredible diversity of moss and lichen species that sequester carbon and regulate the water table, among other ecosystem services. USDA Forest Service.
ID: 762
New Method Monitors Species Groups and Estimates Carbon Storage in Moss and Lichen Layers in Boreal and Temperate Forests

Mat forming ground layers of mosses and lichens are responsible for sequestering one-third of the world’s terrestrial carbon, regulating water ...

Principal Investigator : Sarah Jovan, Dr

Inventory and Monitoring2015PNW
Photo of Researchers and crew plant bluebunch wheatgrass to test the efficacy of seed transfer zones for improved restoration success at Steens Mountain, Oregon. USDA Forest Service
ID: 807
New Seed Zones for Bluebunch Wheatgrass Tested

New seed zones for bluebunch wheatgrass will help local, state, and federal land managers in the Interior Northwest to determine sources of blue ...

Principal Investigator : Holly R. Prendeville

Resource Management and Use2015PNW
Photo of Researchers pull a beach seine in Reloncovi estuary, southern Chile, while fishing for native galaxiid juveniles. Ginger Penaluna, U.S. Department of Agriculture Forest Service.
ID: 990
New Study Finds a Surprising Lack of Diversity Among Fisheries Scientists

Women and minorities are a small portion of tenure-track faculty and federal-government professionals in fisheries sciences, likely because of s ...

Principal Investigator : Brooke Penaluna

Wildlife and Fish2016PNW
Photo of Fremont-Winema National Forest.
ID: 1370
New tool helps in rapid forest health assessment to aid forest restoration

Tool pre-loads maps of trees in poor health to iPads for field verification and use.

Principal Investigator : Nancy E. Grulke

Resource Management and Use
Water, Air, and Soil
2017PNW
Photo of The Seedlot Selection Tool
ID: 1411
New tool puts the right seed in the right place for the coming climate

The web-based Seedlot Selection Tool helps forest and restoration managers match seedlots with planting sites based on climate information.

Principal Investigator : Brad St. Clair

Resource Management and Use
Water, Air, and Soil
2017PNW
Photo of Private landowners in central Oregon. Paige Fischer, USDA Forest Service
ID: 661
Nonindustrial Private Forestland Owners Consider Fuel Conditions and Past Wildfire Occurrence in Their Risk Mitigation Decisions

A new landscape simulation model informs forest planning processes.

Principal Investigator : Jeffrey D. Kline

Wildland Fire and Fuels2014PNW
Photo of A stand of old-growth Douglas-fir in the H.J. Andrews Experimental Forest, Oregon.
ID: 1359
People, Forests, and Change: Lessons from the Pacific Northwest

A new book explores the past four decades of change in forest science and management in the Pacific Northwest

Principal Investigator : Deanna ("Dede") H. Olson

Water, Air, and Soil
Resource Management and Use
2017PNW
Photo of Managed forest land in western Oregon. A carbon offset sales program could encourage forest landowners to manage in ways that increase the amount carbon stored on their land. Jeff Kline, U.S. Department of Agriculture Forest Service.
ID: 945
Potential Land Use and Forest Management Implications for a Carbon-offset Incentive Program

A new Forest Service study describes the potential implications for land use and management if a program where a forest owner could sell carbon ...

Principal Investigator : Jeffrey D. Kline

Resource Management and Use2016PNW
Photo of A volunteer pulls invasive knapweed. Tom Iraci, USDA Forest Service
ID: 514
Private Landowner Efforts to Mitigate Invasive Plants Linked to Threat Awareness

Scientists with the Pacific Northwest Research Station investigated perception of risk among nonindustrial private forest owners in Oregon's pon ...

Principal Investigator : Paige Fischer

Invasive Species2013PNW
Photo of A volunteer collects seed from bluebunch wheatgrass in the Blue Mountains, WA, as part of a study to develop seed zones and population movement guidelines. Bluebunch wheatgrass is often used to restore rangeland and burned forested areas. Brad St.Clair, USDA Forest Service
ID: 674
Provisional Seed Zones Developed to Guide Seed Source Decisions for Restoration of Native Species

Forest Service scientists developed generalized provisional seed zones that can be applied to any plant species in the United States to help gui ...

Principal Investigator : Brad St. Clair

Resource Management and Use2014PNW
Photo of A pygmy rabbit. Boise State University, Boise State Univsersity
ID: 668
Pygmy Rabbits Use Nutritional and Chemical Cues While Making Foraging Decisions

Pygmy rabits are dietary specialists that feed on sagebrush (Artemisia spp.) and forage on specific plants more than others within a foraging pa ...

Principal Investigator : Rick G. Kelsey

Wildlife and Fish
Resource Management and Use
2014PNW
Photo of Forest Service researchers conducted experiments at Pringle Falls Experimental Forest, Oregon, to learn how soil is affected by burn severity, and how that relates to the recovery of vegetation.
ID: 1360
Quantifying fire effects on soil

Severe heating alters soil microbial communities and soil chemistry, slowing recovery of vegetation.

Principal Investigator : Jane E. Smith

Water, Air, and Soil
Wildlife and Fish
2017PNW
Photo of Exclosures protect riparian plantings from browsing by deer and elk at Starkey Experimental Forest and Range, Oregon.
ID: 1348
Quantifying the effects of deer and elk on riparian plantings installed to improve salmon habitat

Researchers evaluated elk and mule deer impacts on deciduous woody riparian plantings along Meadow Creek, a steelhead- and Chinook salmon-bearin ...

Principal Investigator : Mary M. Rowland

Wildlife and Fish2017PNW
Photo of Fremont-Winema National Forest, southern Oregon.
ID: 1339
Rapid forest health assessment to aid forest restoration

Tool pre-loads maps trees in poor health to iPads for field verification and use.

Principal Investigator : Nancy E. Grulke

Resource Management and Use
Water, Air, and Soil
2017PNW
Photo of Salmon habitat in the Olympic Experimental State Forest, Washington. Pete Bisson, USDA Forest Service
ID: 527
Research Documents the Influence of Water Temperature on Life Histories of Rainbow Trout and Steelheads

These studies reveal a suite of processes influencing life-history expression in salmonids. The influence of temperature on O. mykiss life histo ...

Principal Investigator : Gordon Reeves

Wildlife and Fish
Water, Air, and Soil
2013PNW
Photo of Northwest Advanced Renewables Alliance is determining the feasibility of producing jet fuel from woody biomass in Oregon and Washington. Northwest Advanced Renewables Alliance
ID: 523
Research Station Helps National Renewable Biofuels Project Engage Community and Industry Leaders

The Northwest Advanced Renewables Alliance is working to form regional alliances and find communities that might fit into a sustainable biofuels ...

Principal Investigator : Eini C. Lowell

Resource Management and Use2013PNW
Photo of Rough skinned newt, Taricha granulosa is commonly seen in Pacific Northwest forests, and in laboratory experiments has been shown to be vulnerable to the salamander chytrid fungus. Elke Wind, U.S. Department of Agriculture Forest Service.
ID: 977
Response to Emerging Infectious Amphibian Diseases Forges New Alliances Between Science, Management, and Policy

The newly described salamander chytrid fungus Batrachochytrium salamandrivorans (Bsal) is rapidly spreading in Europe, killing salamanders as it ...

Principal Investigator : Deanna ("Dede") H. Olson

Wildlife and Fish2016PNW
Photo of Field crew collect forest inventory data in a stand of black spruce in Interior Alaska.
ID: 1398
Scientists analyze trends in tree growth to assess change in Interior Alaska’s spruce forest

Tree-ring analysis adjusted for age-related changes in growth indicate that recent growth of black and white spruce in Interior Alaska is near t ...

Principal Investigator : Andrew Gray

Outdoor Recreation
Inventory and Monitoring
2017PNW
Photo of A study site in the Tahoe National Forest, eight years after prescribed fire. USDA Forest Service.
ID: 764
Scientists Assess Effectiveness of Fuels Reduction Treatments in California

Fuel treatments are used to abate undesirable fire behavior and effects. Short-term effectiveness of fuel treatments to alter fire behavior and ...

Principal Investigator : Nicole Vaillant

Wildland Fire and Fuels2015PNW
Photo of A headwater stream in western Oregon. USDA Forest Service
ID: 792
Scientists Determine Ideal Buffer Width to Sustain Aquatic and Riparian Resources Along Headwater Streams

How wide does a riparian buffer need to be to maintain aquatic and riparian habitat in and along forested headwater streams when upland forest t ...

Principal Investigator : Deanna ("Dede") H. Olson

Wildlife and Fish
Resource Management and Use
2015PNW
Photo of
ID: 238
Scientists develop current and future habitat suitability maps for invasive tamarisk species

Tamarisks are shrubs or small trees considered by some to be among the most aggressively invasive and potentially detrimental exotic plants in t ...

Principal Investigator : Becky K. Kerns

Invasive Species2010PNW
Photo of A map showing reported amphibian chytrid fungus in 52 of 82 countries sampled to date, and in 516 of 1,240 species. USDA Forest Service
ID: 538
Scientists Link Amphibian Fungus to Increasing Temperature Range

Scientists find the odds of fungus occurrence decreased with increasing temperature range at a site, linking disease emergence to climatic consi ...

Principal Investigator : Deanna ("Dede") H. Olson

Wildlife and Fish2013PNW
Photo of The distribution of net ecosystem production (mean for 2006–2010). Areas in red denote highest productivity and therefore sequestered the greatest amounts of atmospheric carbon. From Turner et al. 2016
ID: 1403
Scientists model four-state region to estimate carbon pools and flux over large domains

Variation in climate, disturbance regime, and forest management strongly influence terrestrial carbon sources and sinks.

Principal Investigator : Andrew Gray

Outdoor Recreation
Inventory and Monitoring
2017PNW
Photo of A researcher collects soil samples from an area burned by wildfire on the Deschutes National Forest. Jane Smith, Forest Service
ID: 83
Scientists Study the Effects of Harvesting Fire-Killed Trees

Findings help land managers fine tune their post-fire treatments to speed forest recovery process

Principal Investigator : Jane E. Smith

Resource Management and Use2012PNW
Photo of A fallen coast live oak, Quercus agrifolia, in California killed by sudden oak death. Dave Shaw, USDA Forest Service
ID: 534
Scientists Uncover New Information About Tree Resistance to Sudden Oak Death

Sterols and tannins in host tree tissues influence the growth and sporulation of sudden oak death pathogen.

Principal Investigator : Rick G. Kelsey

Resource Management and Use2013PNW
Photo of Across forestlands on the West Coast, tree seedlings are migrating to areas cooler than the current range of mature trees. USDA Forest Service
ID: 793
Seedlings of Most Tree Species in California, Oregon, and Washington are Shifting Toward Areas Colder Than Those Occupied by Mature Trees

Global warming is predicted to cause systematic changes in the distribution of tree species. Determining if and where the changes are occurring ...

Principal Investigator : Vicente Monleon

Inventory and Monitoring2015PNW
Photo of In Guinea, Africa, community forests are an important source of nontimber forest products. Susan Charnley, U.S. Department of Agriculture Forest Service.
ID: 976
Socioeconomic Monitoring and Community Forests in West Africa

Community forests may be effective for conserving forest biodiversity in West Africa and sustaining desirable ecosystem services and forest prod ...

Principal Investigator : Susan Charnley

Resource Management and Use2016PNW
Photo of
ID: 224
Soils in Douglas-fir plantations in the Oregon Coast Range have high rates of methane uptake

PNW scientists conducted the first study to report methane uptake rates by forest soil in the Pacific Northwest. Methane uptake was measured fiv ...

Principal Investigator : Heather Erickson

Water, Air, and Soil2010PNW
Photo of An aerial view of tree mortality on the Sierra National Forest, California. Steve Dunsky, U.S. Department of Agriculture Forest Service.
ID: 1189
Statistical Prediction of Tree Mortality in California

Large parts of California are currently experiencing dramatic levels of tree loss due to a combination of drought and bark beetles. Forest Servi ...

Principal Investigator : Nancy E. Grulke

Resource Management and Use
Wildland Fire and Fuels
2016PNW
Photo of The coastal tailed frog is one of many species that likely would benefit from linked headwaters that facilitate connectivity among gene pools of subpopulations in adjacent watersheds. Loretta Ellenburg, Forest Service
ID: 343
Strategically linking headwater habitats across ridgelines benefits amphibians and management

Federal biologists, land managers, and watershed stewardship councils are interested in this new design that maintains amphibian habitat and whi ...

Principal Investigator : Deanna ("Dede") H. Olson

Resource Management and Use
Water, Air, and Soil
2011PNW
Photo of A researcher collects a water sample from a small stream in the H.J. Andrews Experimental Forest, Oregon. Rhonda Mazza, U.S. Department of Agriculture Forest Service.
ID: 1108
Streams and Their Hyporheic Zones Substantially Influence Carbon Export from Pacific Northwestern Headwater Streams

This foundational information can be used to calculate carbon storage in Pacific Northwest forests. It will be essential to future polices for c ...

Principal Investigator : Steve Wondzell

Water, Air, and Soil2016PNW
Photo of Tree marked for a restoration treatment on the Deschutes National Forest. Oregon Department of Forestry.
ID: 1109
The Effects of Landscape Restoration Strategies on Fire and Ecosystem Services Vary with Rate of Treatment in a Fire-prone Multi-ownership Region

The results and the landscape modeling tool are being used by the Deschutes National Forest and the Deschutes Collaborative Forest Landscape Res ...

Principal Investigator : Thomas Spies

Wildland Fire and Fuels
Resource Management and Use
2016PNW
Photo of Outputs from the Landscape Treatment Designer showing planning area priorities for treating ecological departure (A) versus wildfire transmission to the urban interface (B) for the Wallowa-Whitman National Forest in northeastern Oregon. The program can quickly prioritize planning areas and perform trade-off analysis between alternative restoration scenarios. USDA Forest Service
ID: 827
The Landscape Treatment Designer Leads to Optimal Restoration Scenarios

The Landscape Treatment Designer can be used at a range of scales to prioritize management activities and understand policy tradeoffs associated ...

Principal Investigator : Alan Ager

Resource Management and Use
Wildland Fire and Fuels
2015PNW
Photo of The tradeoffs among carbon storage, wildlife habitat, and timber production depend on the specific management scenario that is used. USDA Forest Service.
ID: 763
Timber and Habitat Tradeoffs Associated with Managing West Cascades Forests to Increase Carbon Storage

A new analysis describes potential timber and wildlife habitat outcomes that could result from national forest policies and management intended ...

Principal Investigator : Jeffrey D. Kline

Resource Management and Use2015PNW
Photo of Trees can be part of a city's public health infrastructure. Rhonda Mazza, USDA Forest Service
ID: 512
Trees Found to be Part of City's Public Health Infrastructure

The emerald ash borer is associated with more than 6,000 additional lower respiratory deaths, and over 15,000 additional cardiovascular deaths i ...

Principal Investigator : Geoffrey Donovan

Invasive Species2013PNW
Photo of A Plant it Portland sign from the nonprofit organization, Friends of Trees, encourages Portland residence to plant trees. Rhonda Mazza, USDA Forest Service
ID: 676
Understanding What Motivates People To Plant trees Gives Insight on Environmental Justice Concerns

Urban tree-planting programs may inadvertently exacerbate environmental inequality.

Principal Investigator : Geoffrey Donovan

Resource Management and Use2014PNW
Photo of Douglas-fir in H.J. Andrews Experimental Forest, Oregon.
ID: 1363
Wetter, warmer conditions will likely favor biomass accumulation in Douglas-fir

Conversely, continued accumulation of forest biomass in drier regions may be more limited.

Principal Investigator : David M. Bell

Water, Air, and Soil
Resource Management and Use
2017PNW