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Highlight IDTitleStrategic Program Area(s)YearStation
Photo of Rock skullcap flower. Ronald A. Polgar, USDA Forest Service
ID: 610
A Globally Rare Plant's Response to Fire

The resiliency of rock skullcap, a globally rare plant, was studied by a Forest Service scientist working with a National Forest System ecologis ...

Principal Investigator : Cynthia Huebner

Inventory and Monitoring2014NRS
Photo of An emerald ash borer larva feeding under the bark of an ash tree. Leah Bauer, USDA Forest Service
ID: 631
A suite of Introduced and Native Enemies Reduces Populations of the Emerald Ash Borer

Originally from Asia, the emerald ash borer (EAB) is an invasive wood-boring beetle that attacks and kills ash trees in the United States. The l ...

Principal Investigator : Leah Bauer

Invasive Species2014NRS
Photo of Henson Creek, a high-elevation stream located in a multiple use watershed within Coweeta Hydrologic Laboratory, Otto, N.C. Darlene Madarish, USDA Forest Service
ID: 626
A Tale of Nitrogen Retention From Two Watersheds

Because elevated nitrogen loading can impair terrestrial and aquatic ecosystems, understanding the origins, retention, and export of nitrogen fr ...

Principal Investigator : Mary Beth Adams

Water, Air, and Soil2014NRS
Photo of Natural resource professionals discuss how forests can adapt to climate change. Photo courtesy of Eli Sagor, Sustainable Forests Education Cooperative. Science teachers visit an adaptation demonstration project developed by the Bad River Natural Resources Department, Bureau of Indian Affairs, and Northern Institute of Applied Climate Science. Photo courtesy of G-WOW team. Eli Sagor, Sustainable Forests Education Cooperative.
ID: 602
Adaptation Demonstrations Provide Real World Examples of Climate Change Response

Climate change will have long-term effects on forest ecosystems, and the services they provide. High-quality scientific information is critical, ...

Principal Investigator : Chris Swanston

Resource Management and Use2014NRS
Photo of Fire spread and smoke transport through forest vegetation, as shown in this photograph of a prescribed burn in the New Jersey Pine Barrens, can be influenced by atmospheric turbulence (wind gusts). Forest Service
ID: 213
Advancing Understanding of Atmospheric Interactions with Wildfires

Through partnerships with San Jose State University, Michigan State University, and the Silas Little Experimental Forest, modeling and experimen ...

Principal Investigator : Warren E. Heilman

Wildland Fire and Fuels2010NRS
Photo of Emissions from a waterside facility, contributing to air pollution. USDA Forest Service
ID: 604
Air Pollution as a Psychosocial Stressor

A Forest Service scientist and her research partners found that air pollution contributes to physical and psychosocial conditions that act as co ...

Principal Investigator : Michelle Kondo, Ph.D.

Water, Air, and Soil2014NRS
Photo of The change in forest industry employment (NAICS 113, 321, 322, 337) from 2005 to 2010 compared to each state's total manufacturing employment in 2005.   Each state's circle is scaled to its total timberland growing stock volume in 2010 (northern region). Forest Service
ID: 40
Analysis Reveals Cyclical and Structural Changes in Forest Products Industry

Structural changes may be difficult to reverse but prospects for growth exist in forest product exports and wood-based biorefining

Principal Investigator : Christopher W. Woodall

Inventory and Monitoring2012NRS
Photo of Black ash stand in swampy land on the Chippewa National Forest near Cass Lake, Minnesota. Louis Iverson, USDA Forest Service
ID: 600
Ash Trees at the Confluence of Two Threats: Emerald Ash Borer and Climate Change

Black ash, the iconic wetland species of the Northwoods, is threatened by both the emerald ash borer and changing climate. What tree species mig ...

Principal Investigator : Louis Iverson

Invasive Species
Water, Air, and Soil
2014NRS
Photo of Climate change risk matrix capturing the likelihood and consequence of potential habitat change for sugar maple in northern Wisconsin. Forest Service
ID: 46
Assessing Climate Change Risk to Eastern Forests Using Climate Change Tree Atlas Data

New tool makes for better informed forest management decisions

Principal Investigator : Stephen Matthews

Water, Air, and Soil2012NRS
Photo of Assessing vulnerability of northern Wisconsin's Forests_Northern Wisconsin's ecosystems are vulnerable to climate change; the assessment provides important information to land managers. Tom Matthiae, Forest Service
ID: 319
Assessing the Vulnerability of Northern Wisconsin's Forests to Climate Change

A team of scientists and managers from the Forest Service and other organizations assessed the vulnerability of northern Wisconsin forests to cl ...

Principal Investigator : Chris Swanston

Resource Management and Use2011NRS
Photo of Gypsy moth trap used to detect new populations. Forest Service
ID: 47
Balanced Approach to Surveillance Reduces the Costs of Invasive Species Detection and Control

New planning tool helps organizations make decisions on where and how much money to spend on invasive pests detection programs

Principal Investigator : Robert G. Haight

Invasive Species2012NRS
Photo of Local leaders help ensure that the CWPP makes a difference on the ground.  Pamela Jakes, Forest Service
ID: 48
Best Management Practices for Community Wildfire Protection Plans

Bringing local solutions to wildland fire management

Principal Investigator : Pamela J. Jakes

Wildland Fire and Fuels2012NRS
Photo of Map of downed and dead woody material. Grant Domke, USDA Forest Service
ID: 461
Better Estimates of Carbon Inventory in Dead Wood Now Available

Researchers with the Forest Inventory and Analysis (FIA) program have sampled downed and dead woody material (DWM) since 2002 so most U.S. state ...

Principal Investigator : Grant M. Domke

Inventory and Monitoring2013NRS
Photo of The 20 States bounded by Maine, Maryland, Missouri and Minnesota comprise the most heavily forested and most densely populated quadrant of the United States.  This landscape view from southern Maine illustrates the beauty of those forests and the uniformity of the forest age structure.  That uniformity is a potential problem because it means northern forests lack diversity and resilience. Dan Dey, USDA Forest Service
ID: 643
Big Changes Ahead Expected for Northern Forests

Northern Forests, those in the 20 states bounded by Maine, Maryland, Missouri, and Minnesota, are in for some big changes in the next 50 years. ...

Principal Investigator : Stephen R. Shifley

Invasive Species
Resource Management and Use
2014NRS
Photo of Ailanthus tree inoculated with wilt fungus. Note drooping and wilting foliage. Joanne Rebbeck, USDA Forest Service.
ID: 620
Biocontrol Agent for the Invasive Ailanthus Tree To Be Tested

Forest Service scientists are studying a North American fungus that selectively kills ailanthus trees. Test sites were selected in Ohio forests ...

Principal Investigator : Joanne Rebbeck

Invasive Species2014NRS
Photo of Industrial poplar farm. Forest Service
ID: 50
Biomass Potential of Poplar Energy Crops in Minnesota and Wisconsin Assessed

Scientists develop methods to map sites for poplar tree energy crops to enhance productivity and ecosystem services

Principal Investigator : Ronald S. Zalesny, Jr.

Resource Management and Use
Water, Air, and Soil
2012NRS
Photo of Study findings showed the Ovenbird (Seiurus aurocapilla) had significantly increasing numbers since 1995 in three National Forests: Chippewa, Superior and Chequamegon-Nicolet.  In addition, the Ovenbird and Red-eyed Vireo were the two most abundantly recorded species in the Chippewa and Chequamegon-Nicolet National Forests. Common species such as the Ovenbird tended to occur in many forest cover types, but most commonly in upland hardwood forests. Jon Swanson
ID: 644
Bird Monitoring in the Western Great Lakes National Forests Shows Stabilized Breeding Bird Populations

The results from 20 years of forest bird monitoring in four national forests in Minnesota and Wisconsin show positive trends in breeding bird po ...

Principal Investigator : Brian R. Sturtevant

Wildlife and Fish2014NRS
Photo of Establishing a blight resistant planting at Buck Creek on the Hoosier National Forest in Spring, 2012. James McKenna, Forest Service
ID: 65
Blight Resistant Seeds May Be Key to Comeback for American Chestnut Tree

Restoration plantings poise this once mighty tree species for a comeback

Principal Investigator : Charles H. Michler

Resource Management and Use2012NRS
Photo of Hybrid aspen leaves showing bronze leaf disease. Mike Ostry, USDA Forest Service
ID: 489
Bronze Leaf Disease Poses a Threat to Aspen Breeding

Bronze leaf of hybrid aspen is a systemic disease that results in a characteristic dark purple to brown pigmentation of infected aspen leaves in ...

Principal Investigator : Michael E. Ostry

Invasive Species2013NRS
Photo of Forest Service technician Tina Ciaramitaro heading out to set up Fluon-coated multiple funnel traps to capture wood boring beetles. Therese Poland, USDA Forest Service
ID: 474
Building a Better Bug Trap

Recent research identified attractive pheromones for several species of wood boring beetles that may threaten forest health. Forest Service ento ...

Principal Investigator : Therese M. Poland

Inventory and Monitoring2013NRS
Photo of Contrasting low (left) and high (right) stocking in ponderosa pine forest in Taylor Woods, Fort Valley Experimental Forest. Alessandra Bottero, University of Minnesota
ID: 613
Building Forests That are Adapted to Drought

Climate change models predict increased summer droughts throughout much of the United States. Forest Service scientists are showing that silvicu ...

Principal Investigator : Brian J. Palik

Resource Management and Use2014NRS
Photo of Distribution of forest inventory observations of seedlings (blue) and trees (red) for eastern red cedar in eastern U.S. forests:  (A) Time 1: all forest sites, (B) Time 2: non-disturbed forest sites, and (C) Time 2: disturbed forest sites. Christopher Woodall, USDA Forest Service
ID: 462
Can Tree Species Rapidly Adapt to Climate Change by Migrating?

New techniques to monitor tree ranges in forests of the eatern U.S. suggest that current ranges may not be shifting along their range margins in ...

Principal Investigator : Christopher W. Woodall

Inventory and Monitoring2013NRS
Photo of Greenhouse seed bank germination trials with closeup of one tray. Todd E. Ristau, Forest Service
ID: 34
Can We Bank on Forest Seed Banks

Community composition of seeds stored in forest soils becomes increasingly divergent over time

Principal Investigator : Alejandro A. Royo

Resource Management and Use2012NRS
Photo of A prescribed fire conducted in the Pine Barrens of New Jersey.  NRS-06 researchers are measuring the recovery of carbon and water cycling following fire and insect defoliation in forests in the Pine Barrens. Forest Service
ID: 212
Carbon and Water Cycle Recovery Patterns After Disturbance in Forest Ecosystems

The recovery of carbon and hydrologic cycling following two major disturbances in pine and oak-dominated stands in the New Jersey Pine Barrens-- ...

Principal Investigator : Ken Clark

Wildland Fire and Fuels2010NRS
Photo of Trees in New York City Central Park. Dave Nowak, USDA Forest Service
ID: 472
Carbon Sequestration by Urban Trees Valued in the Billions of Dollars Annually

Forest Service scientists quantified carbon storage and sequestration by urban trees in the United States to assess the magnitude and role of ur ...

Principal Investigator : David J. Nowak

Resource Management and Use2013NRS
Photo of Changing Climate, Changing Forests: The Impacts of Climate Change on Forests of Northeastern United States and Eastern Canada. Forest Service
ID: 35
Changing Climate, Changing Forests

Effects of climate change on forests of the Northeastern United States and Eastern Canada

Principal Investigator : Lindsey Rustad

Inventory and Monitoring
Invasive Species
2012NRS
Photo of EDXRF image showing intra-annual variation (inset) and increased potassium associated with living sapwood to the right of the heartwood/sapwood boundary in oak. USDA Forest Service
ID: 484
Chemical Analysis of Precisely Dated Tree Rings Used in Environmental Forensics

Dendrochemistry, the chemical analysis of precisely dated tree rings, provides a dynamic record of change for the landscape and within the livin ...

Principal Investigator : Kevin T. Smith

Resource Management and Use
Water, Air, and Soil
2013NRS
Photo of Sampling tank-stored fracing fluids. Pam Edwards, Forest Service
ID: 314
Chloride Concentrations in Recovered Hydraulic Fracturing Fluid Increase With Depth of Tank

The hydraulic fracturing fluid used in natural gas extraction in the northeastern Appalachians raises concerns about safe disposal. Forest Servi ...

Principal Investigator : Pamela Edwards

Water, Air, and Soil2011NRS
Photo of
ID: 207
Climate Change Effects on Streamflow

In the northeastern United States, it is unclear how climate change may affect the surface water supply, which is critically important in this d ...

Principal Investigator : John Campbell

Water, Air, and Soil2010NRS
Photo of
ID: 205
Climate Change Resource Center Website Now Includes Science Information from Northern and Southern Research Stations

The Climate Change Resource Center (CCRC) website, which has provided practical, science-based information on managing ecosystems under climate ...

Principal Investigator : Chris Swanston

Water, Air, and Soil2010NRS
Photo of
ID: 206
Climate Change Response Framework Project in Northern Wisconsin Models Strategies for Preparing for Global Climate Change Effects

The Northern Research Station' Northern Institute of Applied Carbon Science and its cooperators---the Eastern Region, the Chequamegon-Nicolet Na ...

Principal Investigator : Chris Swanston

Water, Air, and Soil2010NRS
Photo of Larvae of emerald ash borer on an ash tree from which the bark had been peeled in April 2014. The larvae are dead (dark brown instead of cream), killed during the winter of 2013-14. Robert C. Venette, USDA Forest Service
ID: 645
Cold Winter Temperatures Set Emerald Ash Borer Back in Minnesota

Emerald ash borer is the most devastating nonnative insect pest of trees in the United States. Overwintering larvae are unable to survive the w ...

Principal Investigator : Robert C. Venette

Invasive Species2014NRS
Photo of House under construction in the framing stage. Michael Luckado
ID: 646
Construction-Sector Developments in Europe, 2012-2013

A Forest Service scientist has analyzed the United Nations Economic Commission for Europe area's housing construction market.

Principal Investigator : Delton Alderman

Resource Management and Use2014NRS
Photo of A prescribed fire burning in the New Jersey Pinelands.  Recovery following prescribed fires is rapid, and over a ten-year period burned stands sequestered twice the amount of carbon compared to stands defoliated by invasive insects. Michael Gallagher, USDA Forest Service
ID: 647
Contrasting Effects of Invasive Insects and Fire on Forest Carbon Dynamics

Forest Service scientists quantified rates of carbon sequestration and water use by forests before and after invasive insect defoliation and pre ...

Principal Investigator : Ken Clark

Water, Air, and Soil
Wildland Fire and Fuels
2014NRS
Photo of While deep-forest birds avoided gas-oil wells on the Allegheny National Forest, generalist species (such as the American robin whose nest is visible on this pump jack) increased with increasing well density. Scott Stoleson, USDA Forest Service
ID: 648
Conventional Oil and Gas Development Alters Songbird Communities

A Forest Service scientist and partners found that as the density of oil and gas wells increased, the amount of core forest habitat decreased sh ...

Principal Investigator : Scott H. Stoleson

Wildlife and Fish2014NRS
Photo of Contractors removing trees infested by EAB, as part of an early effort to contain outlier populations in Shields, MI, 2004 (photo by David Cappaert). Dead landscape ash; second tree shows epicormic shoots characteristic of decline caused by EAB in Ann Arbor, MI. David Cappaert, Michigan State University
ID: 199
Cost of Potential Emerald Ash Borer Damage to United States Communities for 2009-2019

Emerald ash borer (EAB), a nonnative invasive bark boring beetle discovered near Detroit, MI, and Windsor, Ontario, in 2002, is now found in fou ...

Principal Investigator : Robert G. Haight

Invasive Species2010NRS
Photo of Face of DVD titled The Wildlife and Wilderness Exploration Show. Forest Service
ID: 329
Culturally Appropriate Conservation Education for the Hmong American Community

Forest Service researchers produced a conservation education DVD in partnership with the Hmong community titled The Wildlife and Wilderness Expl ...

Principal Investigator : David N. Bengston

Outdoor Recreation
Wildland Fire and Fuels
2011NRS
Photo of Wildland firefighting helicopter.  Cibola National Forest
ID: 214
Decision Modeling Framework Improves Process for Awarding Firefighting Helicopter Contracts

Aviation managers desired ways to add more rigor, reliability and transparency to the process. NRS researcher Stephanie Snyder was part of a tea ...

Principal Investigator : Stephanie Snyder

Wildland Fire and Fuels2010NRS
Photo of Ohio educators learn to use emerald ash borer as a current issue to teach the process of science to middle school students. Barbara McGuinness, USDA Forest Service
ID: 486
Destructive Emerald Ash Borer Pest Provides Science Learning Opportunity for Kids

This effort has led to the development of a week-long EAB curriculum that gives kids hands-on experience with the process of science while doing ...

Principal Investigator : Kathleen Knight

Invasive Species2013NRS
Photo of Heterobasidion root rot in red pine. Jessie Glaeser, USDA Forest Service
ID: 471
Detection of Heterbasidion Root Disease Using Genetic Fingerprinting

Heterobasidion root rot is a significant pathogen in the red pine plantations of the midwestern U.S. Little is known about its distribution. For ...

Principal Investigator : Jessie A. Glaeser

Invasive Species2013NRS
Photo of Forested ecosystem in the White Mountains of New Hampshire. Ken Dudzik, Forest Service
ID: 326
Determining What Levels of Air Pollution Harm U.S. Ecosystems

An international team led by a Forest Service scientist has determined the level of nitrogen (N) deposited from air pollution that harms ecosyst ...

Principal Investigator : Linda Pardo

Water, Air, and Soil
Wildland Fire and Fuels
2011NRS
Photo of A structurally complex and diverse red pine forest. Christel Kern, USDA Forest Service
ID: 468
Diversity is Key to Restoring Resilience of Iconic Great Lakes Pine Forests

Mixed-pine forests of the western Great Lakes region contain fewer tree species and fewer age classes than their historical equivalents. Forest ...

Principal Investigator : Brian J. Palik

Resource Management and Use2013NRS
Photo of
ID: 209
DNA Tool Detects White-Nose Syndrome Fungus in Bat Caves

NRS scientists Daniel Lindner and Jessie Glaeser are collaborating with the USGS Wildlife Health Laboratory in Madison, WI, to characterize the ...

Principal Investigator : Daniel Lindner

Wildlife and Fish2010NRS
Photo of The Discover the Forest and earth camps attracted diverse candidates from across the Northeastern United States. Kyle Lolar
ID: 506
Earth Camps Connect Students to Nature

The University of Maine's first high school forest resource camps, a partnership with the Forest Service's Northern Research Station, attracted ...

Principal Investigator : Laura Kenefic

Outdoor Recreation
Resource Management and Use
2013NRS
Photo of “Tooth-pick” like structures of insect frass of the black stem borer attacking a walnut tree. J. McKenna, USDA Forest Service
ID: 478
Eastern Black Walnut Trees Plagued by More Than Thousand Cankers Disease

Thousand cankers disease, caused by the interaction of the walnut twig beetle and the fungus Geosmithia morbida, has been detected in four easte ...

Principal Investigator : Jennifer Juzwik

Invasive Species2013NRS
Photo of Harvest for woody biofuels. Anthony D'Amato, University of Minnesota
ID: 622
Ecological Limits to Biomass Harvesting

Removing forest biomass for fuel can provide an alternative to fossil fuels and may mitigate atmospheric carbon dioxide increases, but it may ch ...

Principal Investigator : Brian J. Palik

Resource Management and Use2014NRS
Photo of An energy-wood harvest on Potlatch Lands in Minnesota. Anthony D'Amato, University of Minnesota
ID: 467
Ecosystem Impacts of Wood Harvests For Biofuel

Current interest in harvesting typically non-merchantable material for biofuel warrants a closer look at the ecosystem impacts of intensive harv ...

Principal Investigator : Brian J. Palik

Resource Management and Use
Water, Air, and Soil
Wildlife and Fish
2013NRS
Photo of Fine woody biomass (tops and limbs) of northern hardwoods removed post-harvest and stacked for processing, Chequemegon-Nicolet National Forest, Wisconsin. Deahn Donner, Forest Service
ID: 49
Effect of Woody Biomass Removal on Forest Biodiversity and Nutrient Cycling

Findings represent short-term effects and give a baseline for long-term study

Principal Investigator : Deahn Donner

Wildlife and Fish
Resource Management and Use
2012NRS
Photo of Contributions of elevated CO2 concentration, N deposition, climate variability, and regrowth + disturbances to regional accumulated net biome productivity (NBP). Forest Service
ID: 41
Effects of Disturbance, Climate, and Management on U.S. Forest Carbon

Forest response to fire, insects, harvesting, etc., is responsible for nearly one-half of the U.S. forest carbon sink, offsetting about 12 perce ...

Principal Investigator : Yude Pan

Resource Management and Use
Water, Air, and Soil
2012NRS
Photo of Dr. Felix Ponder standing at one of his LTSP sites. Forest Service
ID: 52
Effects of Timber Harvesting and Biomass Removal on Forest Health Studied

A 10-year study shows that forest sites are able to experience high levels of soil compaction and biomass removal with little negative effects o ...

Principal Investigator : Daniel C. Dey

Water, Air, and Soil
Resource Management and Use
2012NRS
Photo of A radio-collared Carolina northern flying squirrel. Corrine A. Diggins, Virginia Polytechnic Institute & State University.
ID: 615
Elusive Carolina Northern Flying Squirrels in Red Spruce Forests Face Survival Challenges

The endangered Carolina northern flying squirrel is a secretive, nocturnal species and not much is known about its behavior and ecology. Forest ...

Principal Investigator : Jane Rodrigue

Wildlife and Fish2014NRS
Photo of Oobius female depositing eggs inside an ash tree which may infect emerald ash borer larvae. Forest Service
ID: 42
Emerald Ash Borer Natural Enemies Becoming Established in the United States

Optimism increasing for long-term management of the emerald ash borer

Principal Investigator : Leah Bauer

Invasive Species2012NRS
Photo of Typical post-harvest stand conditions that have supported long-term running buffalo clover persistence. Tom Schuler, USDA Forest Service. Inset: Running buffalo clover flower (Trifolium stoloniferum). Sarena Selbo, US Fish and Wildlife Service.
ID: 482
Endangered Running Buffalo Clover Finds a Home in West Virginia

Running buffalo clover was once thought to be extinct but was rediscovered in 1983 and is now classified as a federally endangered species. It i ...

Principal Investigator : Thomas Schuler

Resource Management and Use2013NRS
Photo of Eight-year-old poplars ready to be harvested. R. Zalesny, Forest Service
ID: 349
Environmental and Economic Benefits of Short-Rotation Poplar Energy Crops

Woody production systems and conversion technologies help maintain healthy forests and ecosystems, create high-paying manufacturing jobs, and me ...

Principal Investigator : Ronald S. Zalesny, Jr.

Resource Management and Use
Water, Air, and Soil
2011NRS
Photo of Environmental Futures Word Cloud. David Bengston, USDA Forest Service
ID: 501
Environmental Futures Research: Experiences, Approaches, and Opportunities

A Forest Service scientist organized a conference session that explored the trans-disciplinary field of futures research and its application to ...

Principal Investigator : David N. Bengston

Resource Management and Use2013NRS
Photo of Report cover. USDA Forest Service
ID: 616
Estimating Greenhouse Gas Fluxes in Managed Forests

Forests have an important role in reducing greenhouse gases in the atmosphere. Forest Service scientists wrote the forestry chapter in a recent ...

Principal Investigator : Coeli Hoover

Inventory and Monitoring
Water, Air, and Soil
2014NRS
Photo of Map of invasives across the Northern U.S.  Cassandra Kurtz, USDA Forest Service
ID: 612
Examining the Spread of Invasive Species Using Data from the Forest Inventory and Analysis Program

Invasive plant species threaten the integrity of our ecosystems and cost billions of dollars in damages and removal costs annually. Forest Servi ...

Principal Investigator : Cassandra Kurtz

Invasive Species
Inventory and Monitoring
2014NRS
Photo of
ID: 198
Expansion of the American Elm Restoration Project in New England in Collaboration With The Nature Conservancy

The American elm in hardwood forests and riparian ecosystems has been greatly reduced or eliminated by Dutch elm disease (DED) and has not been ...

Principal Investigator : Jim Slavicek

Invasive Species2010NRS
Photo of
ID: 43
Feedbacks Through the Land Market Affect Success of Open Space Conservation Policy

A new planning tool helps decide which land parcels to save

Principal Investigator : Robert G. Haight

Resource Management and Use
Wildlife and Fish
2012NRS
Photo of Male Asian longhorned beetle choosing the branch with the sex trail pheromone Melody Keena, USDA Forest Service
ID: 605
Female Asian Longhorned Beetles Lure Mates With a Trail of Sex Pheromone

Female Asian longhorned beetles lure males to their locations by laying down a sex-specific pheromone trail on the surfaces of trees. This find ...

Principal Investigator : Melody Keena

Invasive Species2014NRS
Photo of High-risk cargo is unloaded from containers after arrival at U.S. ports of entry and inspected for pests. Shown here is one of the special inspection warehouses used at the port of Long Beach, Calif. Bob Haack, USDA Forest Service
ID: 596
Fewer Pests Found in Wood Packaging Material Following New International Standards

Wood packaging material such as pallets and crating must now be treated for pests prior to export when used in international trade. A Forest Se ...

Principal Investigator : Robert A. Haack

Invasive Species2014NRS
Photo of Fire damaged logs from the Fernow Experimental Forest in West Virginia were transported to the mill for processing and analysis of potential losses in volume and quality. Jan Wiedenbeck, USDA Forest Service.
ID: 619
Fire in my hardwood forest... is my investment in my family's future lost

Does the idea "What doesn't kill you makes you stronger" apply when a low- to medium-intensity wildfire or prescribed fire has run through a har ...

Principal Investigator : Jan Wiedenbeck

Resource Management and Use
Wildland Fire and Fuels
2014NRS
Photo of Instrumented towers set up within and in the vicinity of prescribed fires in the New Jersey Pine Barrens provide critical meteorological and air quality data for validating smoke prediction tools.  Nicholas Skowronski, Forest Service
ID: 320
Fireflux Experiments Improve Safety of Prescribed Burns in the New Jersey Pine Barrens

Predicting the effects of smoke from low-intensity prescribed fires on local air-quality is being made easier by new tools developed by Forest S ...

Principal Investigator : Ken Clark

Wildland Fire and Fuels
Water, Air, and Soil
2011NRS
Photo of National standing dead biomass (Mg/ha) Forest Service
ID: 44
First Inventory of Standing Dead Trees Across the United States Developed

Study compares differences between previously modeled estimates and new empirical estimates

Principal Investigator : Christopher W. Woodall

Inventory and Monitoring2012NRS
Photo of World Bank/Global Environment Facility personnel learn about Forest Service efforts in climate change mitigation and adaptation in Baltimore. Forest Service
ID: 45
Forest Carbon Estimates for Climate Benefits Projects Around the World

Science on forest carbon benefits developed by the Forest Service contributes to a reduction in deforestation and degradation in forests through ...

Principal Investigator : Linda S. Heath

Inventory and Monitoring2012NRS
Photo of Eighteeen educators, administrators and community members participated in Wisconsin's first replication of Forest For Every Classroom. Barbara McGuinness, Forest Service
ID: 51
Forest For Every Classroom Engages Students in Environmental Topics

Building a network for place-based environmental education in Wisconsin

Principal Investigator : Barbara McGuinness

Invasive Species
Outdoor Recreation
Resource Management and Use
2012NRS
Photo of Comparison of vegetation change tracker output products without (left) and with (right) snow-covered winter satellite imagery. Kirk Stueve, Forest Service
ID: 318
Forest Land Estimates Improved by Novel Automated Mapping Technique Using Winter Satellite Imagery

Most automated satellite-based approaches for mapping forest lands rely on summer satellite imagery and are usually inconsistent with FIA plot-b ...

Principal Investigator : Northern Research Station

Inventory and Monitoring2011NRS
Photo of Landscape photograph of the Missouri Ozark forests. Dan Dey, USDA Forest Service
ID: 609
Forest Management Guidelines Help Improve and Sustain Missouri's Forest Resources

Missouri landowners and resource managers need state-of-the-art, science-based knowledge of forest management planning, silviculture, and best m ...

Principal Investigator : Daniel C. Dey

Inventory and Monitoring
Resource Management and Use
Water, Air, and Soil
Outdoor Recreation
Invasive Species
Wildland Fire and Fuels
2014NRS
Photo of U.S. forest ownership map. Jake Hewes, USDA Forest Service
ID: 628
Forest Ownership Map of the Conterminous United States

Nearly two-thirds of the forests of the conterminous U.S. are privately owned, not publicly owned, as many assume. To help clear up this underst ...

Principal Investigator : Brett Butler

Inventory and Monitoring2014NRS
Photo of MillionTreesNYC Training Program participants at a volunteer planting day in Staten Island, NY. Brian Aucoin, New York City Department of Parks & Recreation
ID: 496
Forest Service Partnership with MillionTreesNYC

The demand for a well-trained green-collar labor force will increase as many cities implement sustainability and green infrastructure plans. Add ...

Principal Investigator :

Resource Management and Use2013NRS
Photo of Nancy Falxa Sonti shows students how to evaluate tree health in the Bronx as part of the Wave Hill mentoring program. Rich Hallett, USDA Forest Service
ID: 657
Forest Service Program Mentors New York City Students in Environmental Science

An innovative research mentorship with a Forest Service scientist gets New York City teens out into the urban woods, learning how to measure for ...

Principal Investigator : Nancy Falxa Sonti

Resource Management and Use2014NRS
Photo of Cover image for Natural Inquirer issue
ID: 659
Forest Service Research on Morel Mushrooms Featured in Natural Inquirer

The Natural Inquirer's monograph series for middle school students and educators showcased a Forest Service researcher's work on local knowledge ...

Principal Investigator : Marla Emery

Resource Management and Use2014NRS
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 Forest Service scientists and the Carolina wren.  Vincent D'Amico, Forest Service
ID: 64
FRAME Study Looks at Invasive Plants in Delaware

What are the causes and consequences of soil, plant, and animal changes in the valuable patches of forests that make up urban parks, riparian bu ...

Principal Investigator : Vince D'Amico

Invasive Species2012NRS
Photo of Kayakers in Freshkills Park, NYC. Forest Service
ID: 54
From World's Largest Landfill to New York City's Newest Park

The story of the restoration of Fresh Kills Salt Marsh, Staten Island, NY

Principal Investigator : Lindsay K. Campbell

Resource Management and Use
Outdoor Recreation
2012NRS
Photo of A comparison of dying Ailanthus seedlings in the first row, which were inoculated with fungus, compared with control Ailanthus seedlings in the back row. J. Rebbeck, USDA Forest Service
ID: 481
Fungus Looks Like Promising Weapon Against Invasive Tree

Forest Service scientists are studying a North American fungus that selectively kills ailanthus trees. Preliminary tests of other Ohio native tr ...

Principal Investigator : Joanne Rebbeck

Invasive Species2013NRS
Photo of Forest interior in a permanent plot in Amazonian Peru; note the buttressed tree being measured at 5m with the help of a ladder. Abel Monteagudo-Mendoza, University of Leeds, UK
ID: 321
Global Forests Sequester One-third of Annual Fossil Fuel Emissions, Much More Than Previously Thought

Forested land plays a much larger role in removing carbon from the atmosphere than was previously thought, according to Forest Service scientist ...

Principal Investigator : Yude Pan

Water, Air, and Soil
Resource Management and Use
2011NRS
Photo of Students get outdoor instruction as part of the Go Green Club. Nikka Labella, Bradford Area School District
ID: 658
Go Green Club Introduces Students to the Forest

The Forest Service's Northern Research Station and Allegheny National Forest are key partners in establishing the "Go Green Club," an after-scho ...

Principal Investigator : Barbara McGuinness

Invasive Species
Outdoor Recreation
Inventory and Monitoring
Resource Management and Use
Water, Air, and Soil
2014NRS
Photo of How much forest biomass to leave behind or remove Shawn Grushesky, West Virginia University Appalachian Hardwood Center
ID: 55
Guidelines for Forest Biomass Utilization

Online resource offers environmentally and economically sound biomass utilization in the Appalachian Mountains

Principal Investigator : Mary Beth Adams

Water, Air, and Soil
Resource Management and Use
2012NRS
Photo of Log bucking in Buckhannon, West Virginia. Iris Montague, USDA Forest Service.
ID: 617
Hardwood Log Procurement and the Role of Log Brokers

Forest Service researchers analyzed hardwood log procurement practices and the effects of log brokers on the hardwood distribution system. They ...

Principal Investigator : Iris Montague

Resource Management and Use2014NRS
Photo of Light detection and ranging (LIDAR) data showing the cover of understory vegetation a 1 to 2 meter height before and after prescribed fire in the Pine Barrens of New Jersey. <b>Green</b> indicates < 10 % cover, and <b>red</b> indicates > 40% cover.  The area covered by the figures is 9 km<sup>2</sup>.   Forest Service
ID: 211
Hazardous Fuel Assessments Using LIDAR and Field Measurements

Lasers, in what is termed Light Detection and Ranging (LiDAR) systems, are being used by NRS researchers Nicholas Skowronski and Kenneth Clark t ...

Principal Investigator : Nicholas Skowronski

Wildland Fire and Fuels2010NRS
Photo of Housing growth rate 1940-2000 within 50 km of each national forest, national park, and wilderness area within the conterminous United States. Susan I. Stewart, Forest Service
ID: 204
Housing Growth In and Near Protected Areas

NRS researcher Susan Stewart and cooperators at the University of Wisconsin and Oregon State University analyzed housing data from 1940 to 2030, ...

Principal Investigator : Susan I. Stewart

Outdoor Recreation2010NRS
Photo of Adult goshawk in northern hardwood stand in Chequamegon-Nicolet National Forest, Wisconsin. Forest Service
ID: 350
How Large-scale Forest Conditions Influence Northern Goshawk Nesting

Efforts to better understand nesting habitat requirements of the northern goshawk, a forest-sensitive species in northern Wisconsin, were enhanc ...

Principal Investigator : Deahn Donner

Wildlife and Fish
Inventory and Monitoring
2011NRS
Photo of Aboveground biomass map created with LIDAR and FIA plots for Anne Arundel and Howard Counties, Maryland. Kristofer Johnson, USDA Forest Service
ID: 607
How to Build a Better Map of Tree Biomass

A logical way to validate biomass maps derived from remotely sensed data is to validate them with independent ground inventory estimates, but in ...

Principal Investigator : Kristofer Johnson

Inventory and Monitoring2014NRS
Photo of Educators can now use Hubbard Brooks long-term data sets to teach inquiry in their classrooms. J. Wilson, Hubbard Brook Research Foundation
ID: 347
Hubbard Brook Environmental Literacy Program

One of the Northern Research Station's primary partnerships supporting environmental literacy is with the Hubbard Brook Research Foundation, whi ...

Principal Investigator : Barbara McGuinness

Resource Management and Use
Water, Air, and Soil
Wildlife and Fish
2011NRS
Photo of Various fern species growing on the Bisley Experimental Watersheds are important to forest succession in the Luquillo Experimental Forest. Omar Perez Reyes, College of Natural Resouces, Utah State University
ID: 351
Hurricanes Disturb Non-tree Subtropical Wet Forest Species Composition

Hurricane disturbance caused pronounced and persistent changes in the non-tree species composition of a subtropical wet forest. A unique long-te ...

Principal Investigator : Alejandro A. Royo

Water, Air, and Soil2011NRS
Photo of Idaho home with defensible space fostered by an incentive program. Sarah McCaffrey, USDA Forest Service
ID: 651
Identifying Policy Tools That Encourage Community-Level Defensible Space in Six U.S. Communities

A Forest Service scientist and partners assessed outreach programs in six different communities and identified outreach tools that were effectiv ...

Principal Investigator : Sarah M. McCaffrey

Wildlife and Fish2014NRS
Photo of Mushroom on piece of downed dead wood. Fungal communities are a critical driver of dead wood residence times.  Christopher Woodall, USDA Forest Service
ID: 599
If a Tree Falls in a Forest, How Long Does It Lie There

Dead wood is critical to nutrient cycling, carbon dynamics, tree regeneration, wildlife habitat, and wildfire behavior in forests. Forest Servi ...

Principal Investigator : Christopher W. Woodall

Inventory and Monitoring2014NRS
Photo of A prescribed fire burning in the New Jersey Pinelands. Michael Gallagher, Forest Service
ID: 66
Impact of Invasive Insects and Fire on Forest Water Resources

Minor disturbances in forests that do not significantly alter biomass can reduce water use and increase ground water recharge to aquifers

Principal Investigator : Ken Clark

Invasive Species
Water, Air, and Soil
Wildland Fire and Fuels
2012NRS
Photo of Biomass receiving gate for a Burlington Electric power station. Dennis Becker, University of Minnesota
ID: 327
Impediments to Woody Biomass Utilization on Federal Lands

Efforts to increase woody biomass utilization have met with limited succes

Principal Investigator : Sarah M. McCaffrey

Wildland Fire and Fuels2011NRS
Photo of High-resolution point cloud image of a scanned red oak log. Ed Thomas, USDA Forest Service
ID: 635
Improved Automated Detection of Surface Defects on Hardwood Logs

In less than one second, a new parallel computer algorithm processes more than a million surface data points on a hardwood log to find the defec ...

Principal Investigator : Ed Thomas

Resource Management and Use2014NRS
Photo of Local children playing in an agricultural area converted from forest in northern Thailand. Linda S. Heath, USDA Forest Service
ID: 493
Improving Forest Inventory and Monitoring Capacity in Countries of the World

Efficient national and subnational level inventory and monitoring systems are needed to characterize carbon and other attributes of forests so t ...

Principal Investigator : Charles Scott

Inventory and Monitoring2013NRS
Photo of Shultz Fire Information Provision. Sarah McCaffrey, USDA Forest Service
ID: 502
Improving Knowledge of Public Information Needs During a Wildfire

Although fire managers actively work to provide information to the public during wildfires, little research has been conducted to understand whe ...

Principal Investigator : Sarah M. McCaffrey

Wildland Fire and Fuels2013NRS
Photo of
ID: 221
Improving the Accuracy of Tree Ring Age Measurements

NRS Scientist Shawn Fraver developed regression models to estimate tree age adjustments needed, depending on coring height and growth rate.

Principal Investigator : Shawn Fraver

Inventory and Monitoring2010NRS
Photo of Wildfire control in Georgia forest. Georgia Forestry Commission Archive, Georgia Forestry Commission, Bugwood.org
ID: 497
Improving the Deployment of Wildland Fire Suppression Resources

While managers typically aim to minimize the number of escaped fires, they have limited funds to acquire suppression resources or construct oper ...

Principal Investigator : Robert G. Haight

Wildland Fire and Fuels2013NRS
Photo of Diverse eastern forest stand Moorman's River near Sugar Hollow Reservoir, White Hall, VA. Stephen Matthews, USDA Forest Service
ID: 640
Indexing Climate Change and Ecosystem Services Across Eastern Forests

The diverse forests of the eastern United States provide a multitude of benefits that enhance human well-being. Climate change has the potential ...

Principal Investigator : Stephen Matthews

Water, Air, and Soil2014NRS
Photo of Afforestation is one means of increasing carbon storage on family forest lands. Stephanie Snyder, USDA Forest Service
ID: 503
Landowners Interested in Managing Family Forest Lands for Carbon

The nation's family forest lands have the potential to be an important contributor to carbon sequestration efforts, but only if their owners are ...

Principal Investigator : Stephanie Snyder

Resource Management and Use2013NRS
Photo of
ID: 217
Landscape-level Deer Herd Reductions Restore Forest Understory Plant Communities but Not Species Diversity

Since 2001, NRS scientist Alejandro Royo has tracked the response of herbaceous plant communities to deer herd reductions throughout the 70,000- ...

Principal Investigator : Alejandro A. Royo

Resource Management and Use2010NRS
Photo of North American beaver dam on trout stream in Chequamegon-Nicolet National Forest. Sue Reinicke, USDA Forest Service
ID: 649
Landscape-scale Effects of Beaver Removal on a Managed Forest

Beavers and their dams have been removed from Class I and II trout streams within Chequamegon-Nicolet National Forest since the late 1980s to re ...

Principal Investigator : Deahn Donner

Wildlife and Fish
Water, Air, and Soil
2014NRS
Photo of Leaf decomposition baskets hold apart the leaf litter layers in a hurricane simulation experiment in the Luquillo Experimental Forest of Puerto Rico. Leaf decomposition and nutrient cycling were studied in decomposition baskets with screens placed between layers to measure decay rates, nutrient movement between layers, phosphorus retention, and number of mushroom fungal connections between litter layers. Placement of green ‘hurricane' leaves (top layer) over freshly fallen senesced leaves (middle layer) and the forest floor (bottom layer) protected the underlying litter and decay fungi from drying when the canopy was opened by trimming tree branches. D. Jean Lodge, Forest Service
ID: 611
Leaves Left on the Ground After Storm Damage or Logging Lead to Faster Forest Recovery

Opening a forest, whether by storm damage, tree harvesting or thinning, dries the forest floor and reduces the ability of the litter layer to re ...

Principal Investigator : D. Jean Lodge

Water, Air, and Soil2014NRS
Photo of Soil pit with golf tees marking horizons to be sampled. Robert Long, USDA Forest Service
ID: 650
Liming Effects Help Maintain Sugar Maple Growth and Health and Persist for More Than 20 years

Long-term inputs of acidic deposition have depleted soils of calcium (Ca) and magnesium (Mg) on ridge-top, unglaciated sites in Pennsylvania. Su ...

Principal Investigator : Robert P. Long

Water, Air, and Soil
Resource Management and Use
2014NRS
Photo of Modeled spring runoff total phosphorus (mg/L) and turbidity (NTU) for watersheds with observed values (gauged) and based on landscape variables only (unguaged) for Lake Michigan.  Gray areas are the portions of the basin not modeled.  Charles Perry, USDA Forest Service
ID: 629
Linking Land Use to Water Quality

Sediment and phosphorus delivery to the Great Lakes is influenced by land use and land cover patterns. Forest Service scientists studied the imp ...

Principal Investigator : Charles H. (Hobie) Perry

Inventory and Monitoring2014NRS
Photo of Deer browsing exerts top-down selection on plant communities, which over time ricochets back up the trophic web to affect insects and birds. Forestry Sciences Laboratory, Irvine, PA
ID: 315
Long-Term Differences in Forests With Different Deer Densities

Thirty years after a study on the effects of deer on forest ecosystems established new forest stands at deer densities ranging from 10 to 64 dee ...

Principal Investigator : Scott H. Stoleson

Wildlife and Fish
Resource Management and Use
2011NRS
Photo of The upper left is the modeled historic probability of occurrence of shortleaf pine based on General Land Office Survey data, the upper right is the current probability of occurrence of shortleaf pine based on FIA data.  The lower left is the modeled historic probability of occurrence of white oak based on General Land Office Survey data, the lower right is the current probability of occurrence of white oak based on FIA data. Daniel Dey, USDA Forest Service
ID: 504
Loss of diversity in the Missouri Ozark Highlands Places Ecosystem at Risk

Past land use over the last 200 years has made Missouri's Ozark Highlands less diverse and more homogeneous in the condition of its vegetation. ...

Principal Investigator : Daniel C. Dey

Inventory and Monitoring
Resource Management and Use
Wildland Fire and Fuels
2013NRS
Photo of Tree failure resulting in damage to house, Kennebunkport, ME. USDA Forest Service
ID: 654
Managing Wood Decay in the Urban Forest

Arborists need tools to help identify patterns of wood decay as part of tree risk analysis and decisions on the proper care of urban and communi ...

Principal Investigator : Jessie A. Glaeser

Outdoor Recreation
Resource Management and Use
2014NRS
Photo of Oak savanna and woodlands are being restored through the use of prescribed fire and tree thinning and provide habitat for many birds of conservation concern. Jennifer Reidy, University of Missouri
ID: 652
Many Bird Species Benefit From Oak Savanna Woodland Restoration

Many bird species of conservation concern in the midwestern United States are associated with early successional or open forest conditions that ...

Principal Investigator : Frank R. Thompson

Wildlife and Fish2014NRS
Photo of
ID: 220
Mapping Young Forest Habitats across the Great Lakes Region

NRS research scientists from the Forest Inventory and Analysis (FIA) program used current FIA data to estimate trends in abundance of young fore ...

Principal Investigator : Mark D. Nelson

Inventory and Monitoring2010NRS
Photo of Precipitation manipulation experiment, Sevellita LTER, New Mexico. The troughs exist to limit precipitation on plants, simulating drought conditions. William T. Pockman, University of New Mexico
ID: 597
Mechanistic Landscape Modeling of Drought Effects

Drought is expected to become more prevalent and will probably be a major factor in increasing tree mortality. Landscape-scale forest models hav ...

Principal Investigator : Eric J. Gustafson

Resource Management and Use
Water, Air, and Soil
2014NRS
Photo of Debarking of some declining hybrid poplars revealed numerous A. fleischeri larvae and their extensive feeding galleries under the bark. Leah S. Bauer, USDA Forest Service
ID: 608
Mitigation of Invasive and High-Risk Wood-Boring Insects in China

The number of accidental introductions of wood boring insect pests to U.S. forests from Asia has escalated dramatically during the last two deca ...

Principal Investigator : Leah Bauer

Invasive Species
Resource Management and Use
2014NRS
Photo of Leaf scorch is a drought symptom in linden trees.  Joseph O'Brien, Forest Service
ID: 59
Model Assesses the Influence of Drought Stress on Forest Relative to Other Factors

Drought stress data added to a forest landscape disturbance and succession model show that length of drought is more important than severity

Principal Investigator : Eric J. Gustafson

Inventory and Monitoring
Resource Management and Use
2012NRS
Photo of Smoke from a low-intensity prescribed fire conducted in the New Jersey Pine Barrens on 6 March 2012. Forest Service research looks at the impact on a local highway. Warren Heilman, USDA Forest Service
ID: 479
Modeling Tool Improves Smoke Dispersion Predictions During Low-Intensity Fires

Forest Service scientists developed a new modeling tool to improve predictions of local smoke transport during low-intensity wildland fires in f ...

Principal Investigator : Warren E. Heilman

Water, Air, and Soil
Wildland Fire and Fuels
2013NRS
Photo of Restoration in urban areas can take several forms ' or ' View of Chicago skyline from Calumet restoration sites. Lynne Westphal, Forest Service
ID: 202
Models for Ecological Restoration in Urban Areas: Lessons From the USA and Europe

NRS researchers Paul Gobster and Lynne Westphal and a German colleague, Matthias Gross, analyzed urban restoration projects and developed severa ...

Principal Investigator : Lynne M. Westphal

Outdoor Recreation2010NRS
Photo of
ID: 215
Monitoring of the Invasive Tree, Ailanthus, Takes Flight Over Ohio Forests

Ailanthus altissima, a rapidly growing invasive non-native tree, is spreading into many forested landscapes in the eastern United States and dis ...

Principal Investigator : Joanne Rebbeck

Invasive Species2010NRS
Photo of  The WFDS model was used to simulate the interaction between flame and stem and is being used to provide input data for a stem heating model (FireStem2D). Tony Bova, USDA Forest Service
ID: 477
More Realistic Model of Tree Trunk Heating and Injury in Wildland Fires Now Available

Forest Service scientists developed new models of tree-stem heating that are the most physically realistic to date to predict tree mortality mor ...

Principal Investigator : Matthew B. Dickinson

Wildland Fire and Fuels2013NRS
Photo of Dr. Mark Twery of the NRS describing the structure of a dandelion stem to participants in the Moving Field Guide workshop at Patterson Park in Baltimore. Steward Pickett, Baltimore Ecosystem Study LTER, Cary Institute of Ecosystem Studies
ID: 348
Moving Field Guides: Learning ecology through dance

Children in Baltimore, MD, are working with Forest Service researchers and the Dance Exchange, a professional dance company, to turn their obser ...

Principal Investigator : Mark Twery

Outdoor Recreation2011NRS
Photo of Contractors remove trees infested by emerald ash borer, Shields, MI, 2004. David Cappaert, Michigan State University
ID: 639
Municipal Cooperation in Managing Emerald Ash Borer Increases Urban Forest Benefits

The best approach to managing an emerald ash borer (EAB) infestation is to fight it like a human health epidemic. Just as epidemiologists cannot ...

Principal Investigator : Robert G. Haight

Invasive Species
Resource Management and Use
2014NRS
Photo of These maps depict the distribution of 12 tree species across the state of New York. The maps show where these trees do not occur (gray), occasionally occur (pale green), are a minor component (medium green), are a major component (dark green), or are the dominant species (black) in the forest, as determined by that species' total basal area. Rachel Riemann, USDA Forest Service
ID: 630
Nationwide Datasets of Tree Species Distributions Created

Geospatial datasets of the relative abundance and distribution of individual tree species have been created by Forest Service scientists for 323 ...

Principal Investigator : Barry T. (Ty) Wilson

Inventory and Monitoring2014NRS
Photo of Tetrastichus planipennisi, a larval parasitoid of emerald ash borer (EAB), drilling into the tree trunk to lay eggs in an EAB larva. Leah Bauer, USDA Forest Service
ID: 470
Natural Enemies of Emerald Ash Borer are Fighting the Good Fight in North America

The emerald ash borer (EAB) continues to sweep across the North American landscape, leaving dead and dying ash trees in its wake. To reduce popu ...

Principal Investigator : Leah Bauer

Invasive Species2013NRS
Photo of Infestation of European buckthorn (Rhamnus cathartica L.) on left with bush honeysuckle on right. Chris Evans, River to River Cooperative Weed Management Area, Bugwood.org
ID: 68
Nature Dominates in City Tree Regeneration

Assessment of tree planting and natural regeneration in cities reveals that most trees in cities are not planted

Principal Investigator : David J. Nowak

Resource Management and Use2012NRS
Photo of Book cover. USDA Forest Service
ID: 653
New Book Documents Contributions from Forest Service's Long-Term Research Sites

From the role of fire in forests to responses to clearcutting controversies, from the discovery of acid rain to the development of biogeochemica ...

Principal Investigator : Susan Stout

Invasive Species
Inventory and Monitoring
Outdoor Recreation
Wildland Fire and Fuels
Water, Air, and Soil
Resource Management and Use
Wildlife and Fish
2014NRS
Photo of Adult Asian longhorned beetle newly emerged from an artificial pupal cell with the exit hole showing. Melody Keena, USDA Forest Service
ID: 475
New Information Will Help Eradicate Asian Longhorned Beetles

Eradication efforts against Asian longhorned beetle (ALB) rely on knowledge of the basic biology and behavior of this insect. Forest Service sci ...

Principal Investigator : Melody Keena

Invasive Species2013NRS
Photo of White cedar browsed by deer.  Laura Kenefic, Forest Service
ID: 69
New Management Guide Offers Strategies for Northern White-Cedar

Guide contains newly discovered and proven management strategies for one of the least-studied commercially important North American tree species

Principal Investigator : Laura Kenefic

Resource Management and Use2012NRS
Photo of Map of mean fire interval years in the United States. Forest Service
ID: 67
New Model Estimates Historic Fire Frequency

Model will help restore fire-dependent ecosystems and assess effects of changing climates

Principal Investigator : Daniel C. Dey

Resource Management and Use
Wildland Fire and Fuels
2012NRS
Photo of Decayed red spruce (Picea rubens) penetrated by fine roots, mycelium, and mycelial cords after 12 years in ground contact. Cords are pathways for wood decay fungus to exchange chemical elements between decaying wood and forest soil. Kevin Smith, Forest Service
ID: 39
New Research Suggests Clean Air Act Amendments of 1990 Have Reduced the Exposure of Tree Roots and Surface Water to Harmful Aluminum

Wood decay fungi add humus to the forest floor with a high proportion of essential calcium and low amounts of potentially toxic aluminum, which ...

Principal Investigator : Kevin T. Smith

Water, Air, and Soil
Resource Management and Use
2012NRS
Photo of Mean difference in tree-level carbon stocks between the Component Ratio Method and Jenkins' approach for tree species in the conterminous U.S. Forest Service
ID: 38
New Tree Volume and Biomass Estimation Procedures Implemented for the Yearly U.S. National Greenhouse Gas Inventory

New procedures have improved the accuracy, reliability, and transparency of the U.S. National Greenhouse Gas Inventory of U.S. forests and bioma ...

Principal Investigator : Christopher W. Woodall

Inventory and Monitoring2012NRS
Photo of
ID: 70
New Way To Model Forest Stand Dynamics

Scientists test assumptions on natural selection to maximize fitness

Principal Investigator : Harry Valentine

Water, Air, and Soil2012NRS
Photo of Oak wilt pocket next to house. Joe O'Brien, Forest Service
ID: 330
Non-native Forest Pathogens Cost Homeowners Millions of Dollars Annually

Two big killers of residential trees--the oak wilt pathogen in the East and the sudden oak death (SOD) pathogen in the West cost homeowners mill ...

Principal Investigator : Robert G. Haight

Invasive Species
Resource Management and Use
2011NRS
Photo of Planting American chestnut on a reclaimed mine site on the Wayne National Forest. Hiremath, Forest Service
ID: 317
Novel Ectomycorrhizal Fungus Beneficial for Restoration of the American Chestnut in Reclaimed Mined Sites

A major problem in reforestation efforts on nutrient-poor abandoned mined lands are the survival and establishment of planted seedlings in the h ...

Principal Investigator : Shivanand Hiremath

Invasive Species2011NRS
Photo of Forest Service technician Tina Ciaramitaro and student Tom Baweja collect Emerald Ash Borers from a double-decker trap. Therese Poland, USDA Forest Service.
ID: 633
Optimizing Trap Designs for Emerald Ash Borer

Since the discovery of emerald ash borer in North America in 2002, the USDA Animal Plant Health Inspection Agency and state regulatory agencies ...

Principal Investigator : Therese M. Poland

Invasive Species2014NRS
Photo of Watershed locations in the southern Appalachian states of Tennessee, North Carolina, Virginia, and West Virginia. MB Adams, USDA Forest Service
ID: 487
Ozone and Climate Change Interact to Affect Streamflow

Climate change is affecting the Nation's forests, but not in isolation. Tropospheric ozone has long been known to affect the health of individua ...

Principal Investigator : Mary Beth Adams

Water, Air, and Soil2013NRS
Photo of Aerial view of Wisconsin Forests in the Fall. Scott Pearson
ID: 601
Past and Prospective Carbon Stocks Assessed in Forests of Northern Wisconsin

Forest Service scientists and cooperators assessed past and prospective carbon stocks for 4.5 million hectares (about 11 million acres) of fores ...

Principal Investigator : Richard Birdsey

Resource Management and Use2014NRS
Photo of Ecoregions of Pennsylvania color-coded by the levels of similarity found between overstory and understory tree species composition in the Pennsylvania Regeneration Study data of 2001-2005. Todd Ristau, USDA Forest Service
ID: 655
Pennsylvania Regeneration Study Assesses Overstory and Understory Tree Species Communities

In 2001, the Commonwealth of Pennsylvania and Forest Service's Forest Inventory & Analysis (FIA) program launched the "Pennsylvania Regeneration ...

Principal Investigator : Todd Ristau

Inventory and Monitoring2014NRS
Photo of Reactions to fear of crime and their relationships to recreation behavior. Paul Gobster, Forest Service
ID: 203
Perceptions of Crime and its Impacts on the Use of Urban Parks by Latino Residents

NRS scientist Paul Gobster examined how the perceptions of Latino residents in two inner-city Chicago neighborhoods affected their use of outdoo ...

Principal Investigator : Paul H. Gobster

Outdoor Recreation2010NRS
Photo of Potential changes in the average length (days: black contours) of weather events that are conducive to extreme fire behavior under projected future climate conditions compared to current climate conditions, as quantified by Haines Index values equal to 5 or 6.  Color shading indicates changes in standard deviation. USDA Forest Service
ID: 598
Potential Effects of Regional Climate Change on Fire Weather in the U.S.

Regional climate change has the potential to alter the frequency of extreme and erratic wildfires in the United States. Regional climate model ...

Principal Investigator : Warren E. Heilman

Wildland Fire and Fuels2014NRS
Photo of Prairie strip embedded in an agricultural (corn) watershed.  Prairie strips increase nutrient and sediment retention, reduce runoff, and increase biodiversity.  Iowa State University
ID: 57
Prairie Strips Lead to Better Environmental Health and Greater Socioeconomic Vitality

Forest Service scientists help Midwestern farming communities understand how to transform strategic portions of the agricultural landscape into ...

Principal Investigator : Randy Kolka

Water, Air, and Soil2012NRS
Photo of Models indicate strategically placed habitat restoration is effective at reversing declines of Prairie Warblers whereas randomly placed management is not. Wolfgang Wander, Wikimedia Commons.
ID: 476
Prairie Warbler and Wood Thrush Populations Respond Well to Strategic Conservation Efforts

A Forest Service scientist and his research partners demonstrated the power of landscape-based population viability models by evaluating respons ...

Principal Investigator : Frank R. Thompson

Wildlife and Fish2013NRS
Photo of Industrial poplar farm. Wisconsin Ron Zalesny, USDA Forest Service
ID: 656
Production Costs of Poplar Energy Crops in the Great Lake States

Short-rotation woody crops have historically been used as feedstocks for energy and fiber, yet their relevance for environmental remediation tec ...

Principal Investigator : Ronald S. Zalesny, Jr.

Resource Management and Use
Water, Air, and Soil
2014NRS
Photo of Project SMART provides opportunities for students to conduct hands-on research in environmental sciences. Stephanie Meyer, Forest Service
ID: 332
Project SMART: Educating and Motivating Talented High School Students in Math and Science

Forest Service funding from the Northern Research Station's Civil Rights Diversity Committee's Special Project Funds and Conservation Education' ...

Principal Investigator : Rakesh Minocha

Resource Management and Use
Water, Air, and Soil
Wildlife and Fish
2011NRS
Photo of California myotis (Myotis californicus). Norman Barrett, Rogue River-Siskiyou National Forest
ID: 498
Protecting Habitat for Bats in the Face of Development Pressure

Wildlife managers and planners make their best estimates of where to purchase or acquire conservation easements on areas for habitat protection ...

Principal Investigator : Robert G. Haight

Resource Management and Use
Wildlife and Fish
2013NRS
Photo of Map of the Kinzua Quality Deer Cooperative, highlighting the sub-project special hunting regulations areas sponsored by the cooperative. Susan Stout, USDA Forest Service
ID: 509
Public - Private Cooperation Improves Management of Deer and Forests

The Kinzua Quality Deer Cooperative (KQDC) was established in 2000 to test new approaches to stewardship of white-tailed deer and forest habitat ...

Principal Investigator : Susan Stout

Resource Management and Use2013NRS
Photo of Screenshot of Hardwood Log Sawing Program showing control panel, log end and side views. Ed Thomas, USDA Forest Service
ID: 485
RAYSAW Computer Program Can Grade Hardwood Logs and Calculate its Value

RAYSAW is a computer program developed by Forest Service scientists for hardwood log sawing that processes high-resolution laser-scanned hardwoo ...

Principal Investigator : Ed Thomas

Resource Management and Use2013NRS
Photo of Tom and Tina Tossing a Log in the River. Therese Poland, Forest Service
ID: 316
Reducing Negative Cultural Impacts of Emerald Ash Borer: Saving Black Ash Wood for Native American Basketmakers

Black ash has great cultural and economic importance in the northeastern United States, especially for Native Americans. The widespread destruc ...

Principal Investigator : Therese M. Poland

Invasive Species2011NRS
Photo of Repeated prescribed fires may improve the regeneration potential of oak in canopy gaps. Forest Service
ID: 61
Repeated Prescribed Fires Help Sustain Oak Regeneration in Eastern Forests

Research findings can help managers in their quest to sustain this forest type throughout Eastern North America

Principal Investigator : Todd Hutchinson

Resource Management and Use
Water, Air, and Soil
2012NRS
Photo of Forests of the Northern United States uses more than 100 maps, graphs, and tables to summarize current conditions and recent trends for the 172 million acres of forest land in the 20 States that comprise the U.S. North. Forest Service
ID: 53
Report Details Trends and Current Conditions for Northern Forests

Overarching issues include the interaction of forests and people, managing invasive species, sustaining biodiversity, and sustaining capacity fo ...

Principal Investigator : Stephen R. Shifley

Inventory and Monitoring
Outdoor Recreation
Resource Management and Use
Water, Air, and Soil
Wildland Fire and Fuels
Wildlife and Fish
2012NRS
Photo of Forest Service
ID: 63
Research Addresses Decline of Young Forests in Central Hardwood Region

Report details how young forests can be sustainably created and managed in a landscape context

Principal Investigator : Frank R. Thompson

Resource Management and Use
Wildlife and Fish
2012NRS
Photo of Photo taken with a 40 X dissecting microscope at the Delaware, Ohio, research facility eight weeks after EAB egg hatch in September 2014.  In the center of the light colored tissue is a small dark, oblong-shaped emeral ash borer larva that failed to survive in the ash host tree, a possible indication that the tree may be resistant to the beetle. David W. Carey, USDA Forest Service
ID: 632
Researchers From the U.S. Forest Service and the United Kingdom Join Forces To Save Ash Trees Facing Intercontinental Threats

Ash trees across Europe are currently under attack by a fungal disease known as ash dieback disease, while here in the United States, they are b ...

Principal Investigator : Jennifer Koch

Invasive Species2014NRS
Photo of Climate change risk matrix for forest ecosystem carbon pools in the US. Likelihood of change in carbon stocks is based on the coefficient of variation of median forest carbon stock densities among K�ppen-Geiger climate regions (i.e., x-axis) based on the national forest inventory plot network. Size of carbon stocks are based on the US National Greenhouse Gas Inventory (i.e., y-axis). Societal response (e.g., immediate adaptive response or periodic monitoring) to climate change events depends on the size and relative likelihood of change in stocks. Year 2100 projections are based on linear extrapolations of current carbon stocks and imputing current median carbon pool densities by climate region to projected future climate regions for calculation of coefficients of variation. The soil organic carbon pool exhibits the highest variability among climate regions and therefore may be most affected by climate change or climate change induced disturbance events. In contrast, the dead wood pool has a relatively small stock with low variability among climate regions. Explicit climate change effects are not incorporated into this matrix as they represent a number of complex feedbacks both between stocks (e.g., live aboveground biomass transitioning to the dead wood pool) and the atmosphere (e.g., forest floor decay). USDA Forest Service.
ID: 508
Risk Matrix Highlights Knowledge Gaps in Forest Carbon Stocks

Forest Service scientists propose a basic approach to assess global change risks to forest carbon stocks in the U.S., which builds on the curren ...

Principal Investigator : Christopher W. Woodall

Inventory and Monitoring2013NRS
Photo of Three pest risk maps for Phytophthora ramorum, the causal agent of sudden oak death, produced using (a) CLIMEX software; (b) NAPPFAST software; and (c) an expert-driven rule set. Forest Service
ID: 201
Risk-Mapping Invasive Species

Pest risk maps are vital tools to describe where exotic invasive species might arrive, establish, spread, or have unacceptable effects. They are ...

Principal Investigator : Robert C. Venette

Invasive Species2010NRS
Photo of An example of typical understory conditions in the Summer of 2008 on one of the fenced subplots on the Monongahela National Forest. Melissa Thomas-Van Gundy, USDA Forest Service
ID: 621
Roles of Fire, Browse, and Canopy Gaps in the Understory of an Oak-dominated Forest

Current forests developed under conditions different from original forests, with more deer, less fire, and smaller canopy gaps. The difference r ...

Principal Investigator : Melissa Thomas-Van Gundy

Resource Management and Use2014NRS
Photo of Forest Service research assistant Carlos Delgado holds a golden-winged warbler (Vermivora chrysoptera). These warblers breed in the U.S. and winter in Latin America. David King, USDA Forest Service
ID: 494
Saving Tropical Forests for Migrant Birds

Most northeastern and midwestern songbirds migrate to spend the winter in the tropics, where much of their habitat is threatened by clearing and ...

Principal Investigator : David King

Wildlife and Fish2013NRS
Photo of Northwoods Environmental Scholars group. Forest Service
ID: 56
Scholars Program Welcomes Youth into the World of Nature

Alleviating nature deficit disorder in the youth of Wisconsin's Northwoods

Principal Investigator : Ronald S. Zalesny, Jr.

Resource Management and Use
Water, Air, and Soil
Outdoor Recreation
2012NRS
Photo of Microscopic characters of Epithele ceracea, a newly discovered wood-decay fungus from Belize and Venezuela. Karen Nakasone, USDA Forest Service
ID: 473
Scientist Finds New Species of Wood-inhabiting Fungi From Belize, Venezuela, and Réunion

Most wood-inhabiting fungi are essential to sustain healthy forests and biodiversity but a few cause serious diseases. Forest Service mycologist ...

Principal Investigator : Karen Nakasone

Resource Management and Use2013NRS
Photo of Ailanthus stems overtopping regeneration in shelterwood cut stands in southeast Pennsylvania on private land. LeDoux, Chris, USDA Forest Service
ID: 469
Scientist Proposes Best Management Practices to Protect Forests from Invasive Species

Forest Service scientists have developed best management practices that should significantly reduce the spread of invasive plants during timber ...

Principal Investigator : Chris B. LeDoux

Invasive Species2013NRS
Photo of Altantic salmon smolt, ready to migrate to the ocean. Forest Service
ID: 32
Scientist Refines Models Relating River Flows to Fish Habitat and Population Dynamics

To generate robust preductions, models need to acknowledge the complex life histories of riverine and diadromous fishes

Principal Investigator : Keith Nislow

Wildlife and Fish
Water, Air, and Soil
2012NRS
Photo of
ID: 36
Scientists and Managers Work To Develop Climate-Smart Conservation Strategies

Project that addresses the needs of land managers in a changing climate has expanded to nine States and more than 133 million acres

Principal Investigator : Chris Swanston

Resource Management and Use2012NRS
Photo of Social assessment crew member interviews park user on Jamaica Bay. Joana Chan, USDA Forest Service
ID: 638
Scientists Assess Social Meaning of Jamaica Bay Region Parkland

The Jamaica Bay region of New York City is a focus of resiliency planning and adaptive management efforts. Working with natural resource manager ...

Principal Investigator : Lindsay K. Campbell

Resource Management and Use2014NRS
Photo of The Forest Service's Northern Research Station published a series of assessments that describe the effects of climate change on forest ecosystems. Northern Research Station, USDA Forest Service
ID: 606
Scientists Collaborate to Deliver Best Science on Climate Change and Forests

It's a challenge to bring partners together, but the Forest Service led more than 130 scientists and natural resource managers in the creation o ...

Principal Investigator : Chris Swanston

Resource Management and Use2014NRS
Photo of Emerald ash borer adult feeding on an ash leaf. Deborah Miller Forest Service
ID: 58
Scientists Determine the Chemistry Between Ash Trees and Emerald Ash Borer Beetle

What makes some ash species so susceptible to emerald ash borer and others less susceptible

Principal Investigator : Therese M. Poland

Invasive Species2012NRS
Photo of Monthly climatology of Northeastern United States wildfires for the Appalacian Mountains (region 1, black) and the coastal plain (region 2, grey). Forest Service
ID: 31
Scientists Develop Wildfire Weather Climatology for the Northeastern United States

Knowing where and why large wildfires have occurred in the past can help weather forecasters and fire managers predict future events with greate ...

Principal Investigator : Joseph J. (Jay) Charney

Wildland Fire and Fuels2012NRS
Photo of A blue-spotted salamander, woodland pond species, in Wisconsin. Dale Higgins, USDA Forest Service
ID: 505
Scientists Discover Earlier Shift in Peak Salamander Numbers at Woodland Ponds

Forest Service scientists analyzed salamander monitoring data taken at breeding woodland ponds in the early 1990s to mid-2000s and found that th ...

Principal Investigator : Deahn Donner

Wildlife and Fish2013NRS
Photo of Contemplating the future of forests, Illinois, USA. International Society of Arboriculture
ID: 603
Scientists Examine the Future of Forests in the Anthropocene

Forest Service researchers analyzed the major issues and factors affecting forests in the decades ahead: deforestation, mega-fires, urban forest ...

Principal Investigator : David N. Bengston

Resource Management and Use
Water, Air, and Soil
Wildland Fire and Fuels
2014NRS
Photo of Hardwood logs at a harvest site in northern Wisconsin. Bumgardner, Matthew, USDA Forest Service
ID: 480
Scientists Investigate the Influence of Markets and Forest Management on Small-diameter Hardwood

Despite the potential silvicultural advantages of removing some small-diameter trees during timber harvests, activities such as diameter-limit c ...

Principal Investigator : Matt Bumgardner

Resource Management and Use2013NRS
Photo of Forest Service researchers measure a tree in an old-growth stand in The Bowl Research Natural Area in New Hampshire. Coeli Hoover, USDA Forest Service
ID: 465
Scientists Measure Carbon Storage in New England Old-Growth Forests

Managing forests to store carbon is one way to mitigate greenhouse gas emissions. Measuring carbon in old-growth forests helps managers understa ...

Principal Investigator : Coeli Hoover

Inventory and Monitoring
Resource Management and Use
2013NRS
Photo of Aerial view of the Aspen FACE experiment showing the control facilities (middle left), and the 12 atmospheric treatment rings of four treatments with three replicates.  In the ring at bottom center, the different model forest communities are visible. David F. Karnosky, Michigan Tech University.
ID: 463
Scientists Predict Survivability Factors for Northern Forests Given Elevated CO2 and Ozone Levels

The researchers scaled up a high-profile 11-year ecosystem experiment called Aspen-FACE to assess how elevated carbon dioxide and ozone levels m ...

Principal Investigator : Eric J. Gustafson

Resource Management and Use
Water, Air, and Soil
2013NRS
Photo of A March 2013 prescribed fire burning at the Cedar Bridge carbon flux tower in the New Jersey Pinelands. Recovery following prescribed fires is rapid, and stands can replace released carbon within 2-3 years. Kenneth Clark, USDA Forest Service
ID: 490
Scientists Study Fire Management and Carbon Sequestration in Forests

Forest Service scientists quantified rates of carbon sequestration by forests before and after prescribed burns were conducted by the New Jersey ...

Principal Investigator : Ken Clark

Wildland Fire and Fuels
Water, Air, and Soil
2013NRS
Photo of One of the common ground beetles Pterostichus melanarius that responded to lepidopteran outbreaks. Todd Ristau, USDA Forest Service
ID: 495
Scientists Study Long-term Response of Ground Beetle Communities to an Operational Herbicide Application

Ground beetles comprise a large and diverse group of mostly predatory beetles that have long been recognized as a useful barometer of ecosystem ...

Principal Investigator : Todd Ristau

Resource Management and Use
Wildlife and Fish
2013NRS
Photo of
ID: 219
Second Edition Published of 'Oak Bible'---The Ecology and Silviculture of Oaks

The second edition of The Ecology and Silviculture of Oaks was recently authored by retireed NRS scientist Paul Johnson (Columbia, MO) and NRS s ...

Principal Investigator : Stephen R. Shifley

Resource Management and Use2010NRS
Photo of
ID: 216
Shrubland Birds and Their Habitats

Shrubland birds, such as prairie warblers and field sparrows require constant habitat management, and thus, reliable and specific knowledge to g ...

Principal Investigator : David King

Wildlife and Fish2010NRS
Photo of Looking east toward the Attitash Mountain Range from the Bartlett Experimental Forest, NH. Ken Dudzik, USDA Forest Service
ID: 618
Silvicultural Guide for Northern Hardwoods in the Northeast Updated

This revision of the 1987 silvicultural guide updates and expands the silvicultural information on northern hardwoods. It provides additional i ...

Principal Investigator : William Leak

Resource Management and Use
Wildland Fire and Fuels
2014NRS
Photo of Examples of popular social media platforms now being used in the forest products industry. Iris Montague, USDA Forest Service
ID: 491
Social Media Use in the Forest Products Industry is a New Way to do Business

Forest Service researchers analyzed the Internet and social media usage of forest products producers in major forest-products producing states t ...

Principal Investigator : Iris Montague

Resource Management and Use2013NRS
Photo of Spruce and fir increase the vertical connectivity of live fuels, enhancing potential for crown-fire activity. Brian Sturtevant , Forest Service
ID: 62
Spruce Budworm Effects on Fire Risk and Vegetation in the Boundary Waters Canoe Area Wilderness

Insect-killed trees do not necessarily increase fire risk

Principal Investigator : Brian R. Sturtevant

Wildland Fire and Fuels2012NRS
Photo of Word cloud of North Kenwood-Oakland residents' responses to the question What three words come to mind when you hear climate change Field Museum
ID: 328
Street-Level Views of Climate Change

Forest Service researchers and partners interviewed residents of two Chicago neighborhoods about their awareness of climate change and their own ...

Principal Investigator : Lynne M. Westphal

Wildland Fire and Fuels
Invasive Species
Outdoor Recreation
2011NRS
Photo of Researchers checking an Asian longhorned beetle trap in Worcester, MA.  Melody Keena, Forest Service
ID: 33
Strong Demand for New Tool for Detecting Asian Longhorn Beetle

Beetle traps are now being used in 14 States and three countries

Principal Investigator : Melody Keena

Invasive Species2012NRS
Photo of Afforestation is one means of increasing forest carbon storage. S.A. Snyder, USDA Forest Service
ID: 624
Study Assesses Private Forest Landowner Attitudes Towards Forest Carbon Management and Carbon Credit Trading

Forest lands, if managed in certain ways, can store excess atmospheric carbon, a key contributor to global climate change. This accumulated carb ...

Principal Investigator : Stephanie Snyder

Resource Management and Use2014NRS
Photo of Private forest land posted against unauthorized public access. Forest Service
ID: 60
Study Assesses Public Access to Private Land for Recreation Purposes

Scientists review opportunities, constraints, and possibilities for relieving recreational pressure on public lands

Principal Investigator : Stephanie Snyder

Outdoor Recreation2012NRS
Photo of Proportion of grade one trees harvested over time for three harvest types. John Brown, USDA Forest Service.
ID: 641
Sustaining Tree Quality Under Three Harvesting Methods

The quality of trees grown and harvested under various methods exhibits changing patterns over time. A Forest Service scientist studied three me ...

Principal Investigator : John Brown

Resource Management and Use2014NRS
Photo of Black ash trees girdled to emulate emerald ash borer attack. Brian Palik, USDA Forest Service
ID: 466
The Future of Ash Forests in Minnesota

Ash forests of the Great Lakes region are vulnerable to emerald ash borer (EAB) and climate change. Forest Service scientists are successfully e ...

Principal Investigator : Brian J. Palik

Invasive Species
Resource Management and Use
Water, Air, and Soil
2013NRS
Photo of Hemlock trees in the eastern U.S. have not yet been severely impacted by the hemlock woolly adelgid but the landscape may be at a tipping point. David Lee, USDA Forest Service
ID: 464
The Future of Hemlock Trees in the Eastern U.S. Remains Dicey

The arrival of the hemlock woolly adelgid, an invasive insect from Asia, threatens the stability and sustainability of hemlock in the eastern U. ...

Principal Investigator : R. Talbot Trotter, III

Invasive Species
Inventory and Monitoring
2013NRS
Photo of Walnut tree in suburban neighborhood, St. Paul, MN. Robert G. Haight, USDA Forest Service
ID: 499
The Value of Urban Tree Cover

Forest Service researchers are estimating how much home buyers are willing to spend for greater neighborhood tree cover; and, the results for ho ...

Principal Investigator : Robert G. Haight

Resource Management and Use2013NRS
Photo of Dorsal and lateral views of the bark-colonizing weevil found to carry the Thousand Cankers Disease fungus in Indiana. Janet C. Ciegler
ID: 642
Thousand-Cankers Disease Fungus Found in Indiana

Thousand-cankers disease (TCD) is caused by the canker-causing fungus Geosmithia morbida when carried by the walnut twig beetle. In an Indiana-w ...

Principal Investigator : Jennifer Juzwik

Invasive Species2014NRS
Photo of White-tailed sea eagles flying near their nest at the wind facility on the island of Sm�la, Norway.  This facility has killed many eagles and dramatically impacted the dynamics of their population.  Forest Service
ID: 88
Threats From Wind Energy Turbines Identified for Migrating Golden Eagles

National team studies movement ecology of eagles to understand behaviors that may put them at risk from energy development

Principal Investigator : Thomas Schuler

Wildlife and Fish2012NRS
Photo of Many forest songbirds like this scarlet tanager moved from mature forests to regenerating harvested areas after breeding. Scott Stoleson, USDA Forest Service
ID: 483
Timber Harvests Create Beneficial Habitat for Forest Birds

Many songbird species that require intact, mature forest for breeding have been found by Forest Service researchers to move into young thickets ...

Principal Investigator : Scott H. Stoleson

Wildlife and Fish2013NRS
Photo of Female Asian longhorned beetle found in trap in Worcester, MA.  Melody Keena, Forest Service
ID: 197
Trap for Detecting Asian Longhorned Beetle in the United States

Development of an operationally effective trap has been a goal of the Asian longhorned beetle (ALB) eradication program since the first individu ...

Principal Investigator : Melody Keena

Invasive Species2010NRS
Photo of Estimated removal per square kilometer of land (tonnes km2) of all pollutants (NO2, O3, PM2.5, SO2) by trees per county in 2010. USDA Forest Service
ID: 634
Trees Improve Human Health and Save Lives

Air pollution is a serious health concern. Trees offer surfaces that remove gaseous and particulate air pollutants. Modeling of local environmen ...

Principal Investigator : David J. Nowak

Resource Management and Use2014NRS
Photo of
ID: 89
U.S. Urban Tree Cover Declining

Analysis of aerial images reveals that U.S. urban areas are losing about 20,000 acres of tree cover per year

Principal Investigator : David J. Nowak

Resource Management and Use2012NRS
Photo of Compartment 8C on the Fernow Experimental Forest has been harvested seven times since 1948 using uneven-aged management  and continues to be a productive stand. Richard Hovatter, USDA Forest Service
ID: 627
Uneven-Aged Management: Is It Sustainable

A century ago, after almost all of the old-growth forests in the eastern United States had been harvested, forest managers turned to Europe for ...

Principal Investigator : Thomas Schuler

Resource Management and Use2014NRS
Photo of U.S. Imports and Exports of Hardwood Lumber and Logs, 1990-2013 (Data Source: USDA, Foreign Agricultural Service). Matt Bumgardner,  USDA Forest Service
ID: 623
United States Maintains Positive Trade Balances for Hardwood Logs and Lumber

Exports have become a vital lumber market for hardwood sawmills in the United States because of the loss of domestic furniture manufacturing and ...

Principal Investigator : Matt Bumgardner

Resource Management and Use2014NRS
Photo of
ID: 218
Urban and Community Forest Summaries for the Lower 48 States

NRS scientist David Nowak and others have recently published several important summaries of tree and forest information.

Principal Investigator : David J. Nowak

Resource Management and Use2010NRS
Photo of
ID: 222
Urban Tree Canopy Assessment Program

Despite millions of dollars spent each year by federal, state, and local governments on remote sensing datasets, decision makers sometimes still ...

Principal Investigator : Morgan Grove

Inventory and Monitoring2010NRS
Photo of Changes in age classes for red spruce and red spruce-northern hardwood forest types combined for a section of the study area (about 13,000 acres) at three time steps. Melissa Thomas-Van Gundy, USDA Forest Service
ID: 614
Using a Landscape Model for Planning Red Spruce Restoration in West Virginia

A new Forest Service model was developed to answer specific questions about meeting restoration goals for red spruce while protecting habitat fo ...

Principal Investigator : Melissa Thomas-Van Gundy

Resource Management and Use
Wildlife and Fish
2014NRS
Photo of A male cerulean warbler gets fitted with a light-detecting geolocator, which will record its location as the bird migrates to its wintering grounds. Nathan Weyandt, USDA Forest Service.
ID: 636
Using New Technology To Track a Rare Songbird During Migration

The cerulean warbler is a tiny forest bird in big trouble. To better understand where these birds go when they migrate out of their Appalachian ...

Principal Investigator : Scott H. Stoleson

Wildlife and Fish2014NRS
Photo of Housing permits, starts, and completions, 1968-2012, in thousands. Delton Alderman, USDA Forest Service
ID: 500
Vital Information About the Housing Market Made Available to Stakeholders

Historically, the U. S. housing segment utilizes a substantial quantity of forest products. A Forest Service scientist analyzed the pertinent da ...

Principal Investigator : Delton Alderman

Resource Management and Use2013NRS
Photo of A screen shot of the WaterViz visualization. USDA Forest Service
ID: 637
WaterViz for Hubbard Brook: A Water Cycle Visualization Tool

The WaterViz for Hubbard Brook is a new water-cycle visualization tool for creatively communicating water science to the public with realtime fo ...

Principal Investigator : Lindsey Rustad

Inventory and Monitoring
Water, Air, and Soil
2014NRS
Photo of Living fungal cultures stored in liquid nitrogen in the CFMR culture collection (photo by S. Schmeiding, USFS). Examining specimens in the CFMR herbarium. S. Schmeiding, Forest Service
ID: 200
Web-enabled Database for Center for Forest Mycology Research Expanded

The culture collection and herbarium maintained by the Center of Forest Mycology Research (CFMR) in Madison, Wisconsin is one of the largest fun ...

Principal Investigator : Beatriz Ortiz-Santana

Invasive Species2010NRS
Photo of Defensible Space in Idaho. Sarah McCaffrey, Forest Service
ID: 331
What Motivates Homeowners To Mitigate Fire Risk

In working to foster fire-adapted communities, individuals and organization need to understand the dynamics of public support for fuels manageme ...

Principal Investigator : Sarah M. McCaffrey

Wildland Fire and Fuels2011NRS
Photo of The Monongahela National Forest is classified according to fire influence on species composition. Melissa Thomas-Van Gundy, USDA Forest Service
ID: 488
Witness Trees Reveal Where to Restore Fire

To help land managers make decisions and plan for restoration of oak-dominated forests, witness trees from early surveys were used by a Forest S ...

Principal Investigator : Melissa Thomas-Van Gundy

Wildland Fire and Fuels
Resource Management and Use
2013NRS
Photo of
ID: 208
Wolf Recovery and the Future of Wisconsin's Forests: A Trophic Link

Overabundant white-tailed deer populations have serious negative effects on understory plant community structure and composition. Wolves, which ...

Principal Investigator : W. Keith Moser

Wildlife and Fish2010NRS
Photo of Dempsey Middle School science students paint and dissect ash logs to understand woodpecker feeding on emerald ash borer larvae. Joanne Rebbeck, USDA Forest Service
ID: 625
Woodpeckers Capitalize on an Invasive Forest Pest

Emerald ash borer, an invasive beetle that kills ash trees, is eaten by bark-foraging birds like woodpeckers. Forest Service scientists and par ...

Principal Investigator : Kathleen Knight

Invasive Species2014NRS
Photo of Journal cover. William Peterjohn, WVU.
ID: 507
Writing Appalachian Ecology: Essays and Outreach

In the summer of 2012 and 2013, students from West Virginia University's English Department, along with their instructors, participated in an un ...

Principal Investigator : Mary Beth Adams

Water, Air, and Soil
Resource Management and Use
2013NRS