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US Forest Service Research & Development
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  • 1400 Independence Ave., SW
  • Washington, D.C. 20250-0003
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Research Highlights

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Highlight IDTitleResearch Topic(s)YearStation

ID: 101
A High-Tech Adventure Game of Hide and Seek

Geocaching invites a technologically savvy public into nature

Principal Investigator : Deborah J. Chavez

Outdoor Recreation2012PSW

ID: 96
Air-Pollution Thresholds Protect Ecosystems

Research benefits air-quality specialists, land managers, scientists, and policymakers

Principal Investigator : Mark E. Fenn

Water, Air, and Soil2012PSW

ID: 102
Americans and Greeks Experience Similar Benefits from Recreation in Forests

Data show recreational uses of forest lands are psychologically and socially important

Principal Investigator : Jim Absher

Outdoor Recreation2012PSW

ID: 86
Beetle Pheromones Save Endangered Pines From Bark Beetles

High-elevation pines protected by turning beetles' own pheromones against them

Principal Investigator : Nancy E. Gillette

Resource Management and Use2012PSW

ID: 100
Biocontrol of Strawberry Guava

First field release of biocontrol agent for managing invasive strawberry guava

Principal Investigator : Tracy Johnson

Invasive Species
Inventory and Monitoring
Resource Management and Use
2012PSW

ID: 103
Breaking the Grass-Fire Cycle in Dryland Ecosystems in Hawai'i

Scientists develop practical tools to manage and restore tropical dry forest landscapes on military lands in the Pacific

Principal Investigator : Susan Cordell

Wildland Fire and Fuels
Resource Management and Use
Invasive Species
2012PSW

ID: 345
California golden trout and future climate warming

The California golden trout is imperiled due to exotic trout, genetic introgression, and degraded habitat, and faces further stress from climate ...

Principal Investigator : Kathleen R. Matthews

Wildlife and Fish2011PSW

ID: 362
Characterizing high altitude surface ozone in the White Mountains of California

We present surface ozone data for high-elevation sites in the White Mountains. At 4342 and 3783 m, our measurements are higher in elevation than ...

Principal Investigator : Andrzej Bytnerowicz

Water, Air, and Soil2011PSW

ID: 354
Community Environmentalism

Findings suggest that ethnically diverse publics may find motivation for environmentalism through a commitment to social action that serves thei ...

Principal Investigator : Patricia L. Winter

Outdoor Recreation2011PSW

ID: 232
Community Tree Guides Help Managers Show that Trees Pay Us Back

The 16th and final Community Tree Guide was published for Central Florida based on research conducted in Orlando. Providing complete coverage of ...

Principal Investigator : Greg McPherson

Resource Management and Use2010PSW

ID: 234
Development of Critical Loads and Critical Load Exceedance Maps for Protecting California Ecosystems from Atmospheric Nitrogen Deposition

More than 50,000 km2 of the land area in California receive atmospheric deposition inputs of at least 10 kg N/ha/yr. Many ecosystems are negativ ...

Principal Investigator : Mark E. Fenn

Water, Air, and Soil2010PSW

ID: 373
Development of Interactive Web Based Maps for Predicting Expected Numbers of Large Fires on US federal Lands

A new tool for fire managers, allows anticipation of significant fire events and suppression costs

Principal Investigator : Haiganoush K. Preisler

Wildland Fire and Fuels2011PSW

ID: 355
Do forests reduce flood risk

Two lines of research converged at the North Fork Caspar Creek Experimental Watershed in northwest California to address two long-standing quest ...

Principal Investigator : Leslie M. Reid

Water, Air, and Soil2011PSW

ID: 98
Do Insects Visit and Pollinate Tanoak Flowers

The knowledge is key for informed conservation of the species

Principal Investigator : Jessica W. Wright

Invasive Species
Inventory and Monitoring
2012PSW

ID: 357
Dynamic flow modeling of riverine amphibian habitat with application to regulated flow management

A seasonal pulsed flows, such as those from hydropower plants, have potentially negative effects on the early life stages of amphibians, such as ...

Principal Investigator : Amy J. Lind

Wildlife and Fish2011PSW

ID: 105
Echolocation Monitoring Models Bat Occupancy Near Wind Energy Facilities

Model could mitigate the effects of wind energy development on populations of migratory bats

Principal Investigator : Ted Weller

Wildlife and Fish
Resource Management and Use
Inventory and Monitoring
2012PSW

ID: 229
Effective treatments for eradication of Sudden Oak Death pathogen, Phytophthora ramorum, in nursery soils

Researchers at the University of California - Davis, funded via a grant from PSW's competitive Sudden Oak Death Research Program, determined tha ...

Principal Investigator : Susan J. Frankel

Invasive Species2010PSW

ID: 112
Effects of Rising Temperature on Carbon Cycling and Storage in Ecosystems

Scientists find that as ecosystems warm, they store more carbon, not less

Principal Investigator : Christian P. Giardina

Resource Management and Use
Water, Air, and Soil
Inventory and Monitoring
2012PSW

ID: 356
Evaluating Management Risks Using Landscape Trajectory Analysis

Ecosystem management requires an understanding of how landscapes vary in space and time and how this variation can be affected by management dec ...

Principal Investigator : Craig M. Thompson

Wildlife and Fish2011PSW

ID: 371
Firewise Actions Depend on Trust

Trust is an important component in working with communities and individuals on fire risk mitigation, but it is an abstract concept that needs to ...

Principal Investigator : Jim Absher

Wildland Fire and Fuels2011PSW

ID: 359
Hawaii Vegetation Fire Risk Web Tool

Fires in Hawai'i are fueled mainly by invasive, perennial grasses, since they maintain aboveground live and senescent biomass throughout the yea ...

Principal Investigator : Susan Cordell

Invasive Species
Wildland Fire and Fuels
2011PSW

ID: 360
High Resolution Weather for Fire Risk Assessment

High speed computing has opened the door to quantifying fire risk through numerous fire simulations under different weather/vegetation/ignition ...

Principal Investigator : Francis M. Fujioka

Wildland Fire and Fuels2011PSW

ID: 233
Historic Critchfield Memorial Herbarium Goes Digital: Believed to Be the Largest Collection of Pine Specimens in the World

The USDA Forest Service's Pacific SouthwestResearch Station, Institute of Forest Genetics, Placerville, CA, has released the online version of i ...

Principal Investigator : Jessica W. Wright

Resource Management and Use
Inventory and Monitoring
2010PSW

ID: 376
How well will mastication reduce fire hazard

Mechanical mastication of standing shrubs and small trees is widely used as a method to reduce fire hazard. The resulting fuelbeds are poorly r ...

Principal Investigator : Eric E. Knapp

Wildland Fire and Fuels2011PSW

ID: 113
Incorporation of American Indian traditional ecological knowledge and values into understanding Fire Effects on Cultural Resources and Heritage Values.



Principal Investigator : Frank Lake

Wildland Fire and Fuels
Resource Management and Use
2012PSW

ID: 87
Industrial Air Pollution May Have Ecological Consequences

Elevated concentrations of ammonia can negatively impact lichen communities and elevated levels of nitrogen and sulfur deposition can potentiall ...

Principal Investigator : Andrzej Bytnerowicz

Water, Air, and Soil
Inventory and Monitoring
2012PSW

ID: 235
Large-Scale High-Resolution Forest Carbon Mapping Approach is Cost-Effective

Large-scale biomass mapping is essential to support the United Nations Framework Convention on Climate Change (UNFCCC) program to Reduce Emissio ...

Principal Investigator : Flint Hughes

Water, Air, and Soil2010PSW

ID: 374
Levels of delayed tree mortality following early and late season burns in ponderosa and Jeffrey pine forests

Historically, wildfires occurred most frequently in the late summer and early fall in ponderosa and Jeffrey pine forests. Accordingly, late sea ...

Principal Investigator : Chris Fettig

Resource Management and Use2011PSW

ID: 375
Long Range Prediction for Fire Danger and Fire Severity

Predicting the influence of weather on fire ignition and spread is an operational requirement for national fire planning by the National Interag ...

Principal Investigator : Shyh-Chin Chen

Wildland Fire and Fuels2011PSW

ID: 116
Managing wildfire to increase resilience to uncharacteristically severe fire effects



Principal Investigator : Brandon M. Collins

Wildland Fire and Fuels
Resource Management and Use
2012PSW

ID: 369
Measuring Prescribed Burns in Tropical Savannas

A remote-sensing based model has been developed that produces heat flux estimates that are highly consistent with in situ fire plume measurement ...

Principal Investigator : Philip J. Riggan

Wildland Fire and Fuels2011PSW

ID: 114
Monitoring Network Saves Wealth of Data on American Bird Populations

Network archives data sets to address future large-scale conservation issues

Principal Investigator : C. J. Ralph

Resource Management and Use
Wildlife and Fish
Inventory and Monitoring
2012PSW

ID: 377
Monitoring Tool for the Insect Vector of Thousand Cankers Disease of Walnut

A newly discovered pheromone can be used to detect the insect vector of thousand cankers disease of walnut. Intermediate and low population den ...

Principal Investigator : Steven J. Seybold

Invasive Species2011PSW

ID: 231
Multiple Studies Improve Understanding, Measurement, and Transfer of Knowledge of Recreation, Quality Of Life, and Health

PSW scientists contributed to an increased understanding of the link between recreation, quality of life, and health. Visitor constraints to phy ...

Principal Investigator : Armando Gonzalez-Caban

Outdoor Recreation2010PSW

ID: 368
Nature Education

A better understanding will improve the effectiveness of nature educations programs such as the U.S. Forest Service, Kids in the Woods.A study t ...

Principal Investigator : Jim Absher

Outdoor Recreation2011PSW

ID: 104
New Model Predicts Urban Tree Growth

New study developed growth equations for urban tree species throughout the United States

Principal Investigator : Greg McPherson

Resource Management and Use2012PSW

ID: 117
New Report Assesses Impact of Climate Change on Forest Diseases

Climate change is projected to have far-reaching environmental effects domestically and abroad

Principal Investigator : Susan J. Frankel

Invasive Species2012PSW

ID: 378
Novel fungal genotypes drive the success of an invasive bark beetle/fungus complex

In the mid-1980s, the red turpentine beetle was inadvertently sent from the U.S. Pacific Northwest to China, where it acquired novel fungal symb ...

Principal Investigator : Nancy E. Gillette

Invasive Species2011PSW

ID: 361
One Million Trees LA Canopy Cover Assessment

The day after Antonio Villaraigosa was elected mayor of the City of Los Angeles he planted a tree and announced his plan to plant one million tr ...

Principal Investigator : Greg McPherson

Resource Management and Use2011PSW

ID: 118
Pacific Fire Exchange Is the Hottest Partnership in the Pacific

A new collaboration promotes and uses the best available science to reduce wildfire management costs and improve land managers' ability to prote ...

Principal Investigator : Susan Cordell

Wildland Fire and Fuels
Resource Management and Use
Invasive Species
2012PSW

ID: 366
Public Trust and Conservation

Findings help improve Forest Service efforts to communicate ecosystem risks and to encourage actions that protect natural resources.Trust in the ...

Principal Investigator : Patricia L. Winter

Outdoor Recreation2011PSW

ID: 363
Rangewide phylogeography of the western U.S. endemic frog Rana boylii (Ranidae): Implications for the conservation of frogs and rivers

Genetic data are increasingly being used in conservation planning for declining species. Both the ecological and distributional limits of the fo ...

Principal Investigator : Amy J. Lind

Wildlife and Fish2011PSW

ID: 364
Re-sampling historical inventory plots indicates degree of forest changes over the last 100 years

A 100 years of forest change is documented. Contemporary forests are compared to their historical counterparts. The findings presented here ca ...

Principal Investigator : Brandon M. Collins

Wildland Fire and Fuels
Resource Management and Use
2011PSW

ID: 365
Regulation of bark and wood growth in trees

The dividing cells of the cambium meristem provide cells that differentiate in either wood or bark. Although fundamental to how trees grow, regu ...

Principal Investigator : Andrew T. Groover

Resource Management and Use2011PSW

ID: 115
Report Offers New Management Strategies for Sierra Nevada Forests

Concrete examples of science-based strategies are a hit with managers and stakeholders

Principal Investigator : Malcolm P. North

Resource Management and Use2012PSW

ID: 230
Research Determines Carbon Costs and Benefits of Fuels Treatments

In the western United States, nearly a century of fire suppression has increased tree densities and fuel accumulations. In forests that were his ...

Principal Investigator : Malcolm P. North

Wildlife and Fish2010PSW

ID: 540
Satellite-based Earth Observations Aid Fire Fighting and Fire Forecasting

The Forest Service's Pacific Southwest Research Station, in association with multiple partners, has developed methods based on new sources of sa ...

Principal Investigator : Philip J. Riggan

Wildland Fire and Fuels2013PSW

ID: 119
Science Synthesis for Forest Plan Revision



Principal Investigator : Carl N. Skinner

Wildland Fire and Fuels
Resource Management and Use
Water, Air, and Soil
Wildlife and Fish
2012PSW

ID: 539
Scientists Develop Successful Lure to Attrack Beetle That Causes Thousand Cankers Disease in Walnut Trees

In response to the threat posed by the walnut twig beetle, which spreads thousand cankers disease in walnut trees, the Forest Service's Pacific ...

Principal Investigator : Steven J. Seybold

Invasive Species2013PSW

ID: 542
Scientists Study the Effects of Pile Burning in the Lake Tahoe Basin

Burning piles of conifer slash is a common fuel reduction practice in forests of the western United States that may detrimentally effect soil a ...

Principal Investigator : Matt D. Busse

Water, Air, and Soil2013PSW

ID: 120
Seasonal Prediction for Fire Danger



Principal Investigator : Shyh-Chin Chen

Wildland Fire and Fuels2012PSW

ID: 367
Sequencing the transcriptome of tanoak seedlings infected with Phytophthora ramorum

We have sequenced and assembled the transcriptome of Notholithocarpus densiflorus (tanoak) as well as the pathogen that causes Sudden Oak Death ...

Principal Investigator : Jessica W. Wright

Invasive Species2011PSW

ID: 380
SINAMI

SINAMI' is a tool for the economic evaluation of forest fire management programs in Mediterranean ecosystems. It determines the most efficient p ...

Principal Investigator : Armando Gonzalez-Caban

Wildland Fire and Fuels2011PSW

ID: 97
Sources of Air Quality in the Lake Tahoe Basin Analyzed

Scientists determine elevated concentrations of ambient ozone in the Lake Tahoe Basin are caused mainly by local emissions

Principal Investigator : Andrzej Bytnerowicz

Water, Air, and Soil
Inventory and Monitoring
2012PSW

ID: 358
Synthesis of firebrand knowledge and research

Firebrands are an important fire spread mechanism in wildland and urban fires. While known since at least the Great London Fire of 1666, the fi ...

Principal Investigator : David R. Weise

Wildland Fire and Fuels2011PSW

ID: 346
The responses of ecosystems to climate change is influenced by geology and soils

Land managers should be aware of the potential for very different ecological responses to climate change dependent upon soil nutrient status. Nu ...

Principal Investigator : Carl N. Skinner

Resource Management and Use
Wildland Fire and Fuels
2011PSW

ID: 370
The Tree BVOC Index

A simplified method for tracking reduced emissions of Biogenic Volatile Organic Compounds (BVOCs) from urban trees for use in air quality compli ...

Principal Investigator : Jim Simpson

Water, Air, and Soil2011PSW

ID: 99
Trout Populations Benefit From Novel Model That Examines Fragmented Habitat

Research helps set priorities for restoring connectivity of stream networks

Principal Investigator : Bret C. Harvey

Wildlife and Fish2012PSW

ID: 379
Water velocity tolerance in tadpoles of the foothill yellow-legged frog (Rana boylii):

The effects of large magnitude flow fluctuations in rivers with dams, commonly referred to as pulsed flows, on tadpoles of Foothill Yellow-legge ...

Principal Investigator : Amy J. Lind

Wildlife and Fish2011PSW

ID: 106
Wildfire Can Benefit Landscapes and Reduce Threats to Local Communities

Scientists determine that managing wildfire across large portions of Sierra Nevada forests may alleviate the current hazardous fuels problem tha ...

Principal Investigator : Carl N. Skinner

Wildland Fire and Fuels
Resource Management and Use
2012PSW

ID: 372
Wildfire Decision Making

Fire management training and tools can be improved through understanding potential biases impacting wildfire management decisions.Managing wildf ...

Principal Investigator : Patricia L. Winter

Wildland Fire and Fuels2011PSW

ID: 541
Woodland Salamanders are Indicators of Redwood Forest Recovery

Forest Service researchers have found that two common salamander species provide a way of measuring the recovery of previously harvested redwood ...

Principal Investigator : Hart Welsh

Wildlife and Fish2013PSW