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

Research Highlights

Search Results

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

Highlight IDTitleStrategic Program Area(s)YearStation
Photo of Mountain pine beetle damage. Daniel Miller, USDA Forest Service
ID: 693
A 25-Year History of Forest Disturbance and Cause in the United States

Understanding trends in forest disturbance caused by fire, harvest, stress, weather, and conversion is important for many forest management deci ...

Principal Investigator : Gretchen Moisen

Inventory and Monitoring2014RMRS
Photo of Cover of the special issue. The Caribbean Naturalist, Bienvenida and Gerald Bauer.
ID: 1148
A Caribbean Foresters Collaborative Network for Understanding Regional Forest Dynamics

The role of Caribbean forestry research in permanent plots has been identified as both a previously untapped regional source for capacity buildi ...

Principal Investigator : Tamara Heartsill Scalley

Inventory and Monitoring
Resource Management and Use
2016IITF
Photo of The degrees of risk for non-wilderness National Forest System parts of 3,700 watersheds (1=low risk; 5= high risk). Forest Service
ID: 402
A close comparison of the condition of watersheds on our National Forests

Given the continuing concern over nonpoint-source pollution, researchers sought to understand how the risk of water quality impairment from nonp ...

Principal Investigator : Thomas C. Brown

Water, Air, and Soil2011RMRS
Photo of The global composite index of the wildfire-water risk shows spatial distribution of risk from wildfire impacts on water resources. About half of the area globally (51 percent) is at moderate risk (values between 20 and 40).
ID: 1409
A global assessment on the effects of wildfire on freshwater resources: Addressing potential vulnerability to water security

Freshwater resources are vital to humans and our natural environment. Water systems around the world are at risk resulting from population growt ...

Principal Investigator : Carol L. Miller

Resource Management and Use
Wildland Fire and Fuels
Inventory and Monitoring
Water, Air, and Soil
2017RMRS
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 Healthy Rocky Mountain bristlecone pine stand in Colorado threatened by white pine blister rust and mountain pine beetle. Forest Service
ID: 121
A Proactive Strategy To Control Invasive Species in Mountaintop Ecosystems

High-elevation pine forests, under the threat of multiple stressors, serve as an excellent flagship to lead the shift away from crisis managemen ...

Principal Investigator : Anna W. Schoettle

Invasive Species
Resource Management and Use
2012RMRS
Photo of Longleaf pine communities are one of the most diverse ecosystems outside the tropics. William D. Boyer, USDA Forest Service
ID: 715
A Roadmap to Recovery for Degraded Longleaf Pine Plant Communities

Less than 3 percent of the historical longleaf pine ecosystem remains; although much of the southeastern United States has the potential for rec ...

Principal Investigator : Joan L. Walker

Resource Management and Use2014SRS
Photo of Students measuring vegetation structure in urban socio-ecosystem. Forest Service
ID: 324
A socioecological network for a tropical city

Traditional urban research involves tree inventories, census activities, water quality sampling, or socioeconomic studies, all conducted by sepa ...

Principal Investigator : Ariel Lugo

Water, Air, and Soil
Invasive Species
Resource Management and Use
Wildlife and Fish
Inventory and Monitoring
2011IITF
Photo of This 2017 report,Integrating Ecosystem Services into National Forest Service Policy and Operations, was developed by the National Ecosystem Services Strategy Team.
ID: 1347
A strategy for ecosystem services

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

Principal Investigator : Robert Deal

Water, Air, and Soil
Resource Management and Use
2017PNW
Photo of 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 Blue blooms of native California lilac, and other native shrubs form part of a one-mile hedgerow in Yolo County, California. Hedgerows, an agroforestry practice, increase pollination activity from native bees and provide crop protection by harboring beneficial native insects over crop pests by a margin of three to one. Jessa Cruz, Xerces Society
ID: 746
A Win-Win on Agricultural Lands: Creating Wildlife Habitat Through Agroforestry

Over 50 percent of land use in the U.S. is dedicated to agricultural production. Farms and ranches are therefore a critical piece in the conserv ...

Principal Investigator : Gary Bentrup

Wildlife and Fish2014WO
Photo of A radio-collared elk browses on cottonwood in the Starkey Experimental Forest and Range, Oregon.
ID: 1374
Aboveground and belowground herbivores control growth and survival of deciduous shrubs in understories of conifer forests

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

Principal Investigator : Michael Wisdom, Dr.

Resource Management and Use
Wildlife and Fish
Water, Air, and Soil
2017PNW
Photo of The Comparative Risk Assessment Framework and Tools (CRAFT) is a user-friendly, Web-based support system that helps natural resource managers address uncertainties inherent in land management decisions. Forest Service
ID: 416
advancing the Comparative Risk Assessment Framework and Tools (CRAFT)

The Eastern Forest Environmental Threat Assessment Center and the University of North Carolina Asheville's National Environmental Modeling and A ...

Principal Investigator : Steve Norman

Wildland Fire and Fuels
Invasive Species
Wildlife and Fish
Resource Management and Use
2011SRS
Photo of Trout Creek, Washington, two years after  the removal of Hemlock Dam.
ID: 1406
After the dam comes down

New work synthesizes knowledge about the physical and ecological responses to dam removal.

Principal Investigator : J. Ryan Bellmore

Water, Air, and Soil
Wildlife and Fish
Resource Management and Use
2017PNW
Photo of Students from the Agroforestry Academy learn about growing shiitake mushrooms on wood from a nearby timber stand improvement thinning. These students were a part of the August 2014 Agroforestry Academy held at Winona, MN. Richard Straight, USDA Forest Service
ID: 749
Agroforestry Academy 2014

The Agroforestry Academy 2014 provided a week-long training for 30 natural resources technical service providers from seven states in the Upper ...

Principal Investigator : Richard Straight

Resource Management and Use2014WO
Photo of Smith River, Oregon. Loretta Ellenburg, U.S. Department of Agriculture Forest Service.
ID: 973
Alternative Riparian Management Approaches May Meet Objectives of the Northwest Forest Plan’s Aquatic Conservation Strategy

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

Principal Investigator : Gordon Reeves

Water, Air, and Soil
Resource Management and Use
Wildlife and Fish
2016PNW
Photo of Summer seasonal Tim Dirgins planting an American chestnut hybrid seedling. USDA Forest Service
ID: 806
An American Chestnut Hybrid May Survive in Nature if Properly Situated

A team of scientists from the Forest Service, the Connecticut Agricultural Experiment Station, and the University of Tennessee, Knoxville, is ...

Principal Investigator : Leila Pinchot

Invasive Species2015NRS
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 Block and plot structure in El Verde research area.  Inferred area covered by each block is 40,000 m2 and the complete study area covers around 106 m2.  Forest Service
ID: 16
Assessing Litterfall Trap Bias

Are traps preferentially representing certain kinds of leaf litter

Principal Investigator : Grizelle Gonzalez

Resource Management and Use
Water, Air, and Soil
Inventory and Monitoring
2012IITF
Photo of A plain pocketbook mussel (Lampsilis cardium) with the lure it uses to draw fish close enough to deposit larvae in their gills as part of its unique reproductive cycle. Wendell Haag, USDA Forest Service
ID: 706
Assessment of conservation strategies for North American freshwater mussels.

North America has the most diverse freshwater mussel fauna on Earth, but over half of the 300 native species are in danger of extinction. Extens ...

Principal Investigator : Wendell R. Haag

Wildlife and Fish
Water, Air, and Soil
2014SRS
Photo of Black ash killed by gridling to simulate EAB mortality.
ID: 846
Assisted Migration of Replacement Tree Species in Black Ash Wetlands

Black ash is a foundational species of deciduous wetland forests in the western Great Lakes region because of its considerable influence on wetl ...

Principal Investigator : Brian J. Palik, PhD

Invasive Species
Resource Management and Use
2015NRS
Photo of Computer screen capture from the frog model as applied to a 400-meter (about .25 mile) reach of the South Fork, Trinity River, northwestern California. USDA Forest Service
ID: 802
Balancing Potentially Conflicting Demands: Fish and Frogs in Regulated Rivers

Regulated rivers in California and beyond provide critical habitat for multiple threatened species, including various salmonid fishes and foothi ...

Principal Investigator : Bret C. Harvey

Wildlife and Fish2015PSW
Photo of Loblolly pine is an economically significant species in the southern U.S. David Stephens
ID: 720
Best Map Yet of the Pine Genome

Southern pine plantations supply 60 percent of wood products in the United States and 18 percent worldwide. These percentages can increase with ...

Principal Investigator : C. Dana Nelson

Resource Management and Use2014SRS
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 An image of an established windbreak on a farm in Colorado. USDA Forest Service
ID: 748
Biomass Equations for Agroforestry's Working Trees

A collaboration between the Forest Service and the University of Nebraska is providing a basis for determining the most efficient and accurate w ...

Principal Investigator : Michele Schoeneberger

Water, Air, and Soil2014WO
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 A new book provides land managers and policy makers with key information about the potential impacts of climate change on southern forest ecosystems. Sarah Farmer, USDA Forest Service
ID: 734
Book Published to Help Managers of Southern Forests Cope with the Effects of Climate Change

Resource managers and policy makers require new insights into the implications of a rapidly changing climate on forest ecosystems and their valu ...

Principal Investigator : James Vose

Invasive Species
Wildland Fire and Fuels
Outdoor Recreation
Resource Management and Use
Wildlife and Fish
Water, Air, and Soil
2014SRS
Photo of Forest Service visiting scientists Sergio Prats and Maruxa Malvar (standing) from the University of Aveiro in Portugal prepare for a rainfall simulation. The three rainfall simulator legs and metal plot frame are visible in the foreground. The black matting around the plot was used to capture rainsplash, one component of the erosion within the plot. The tent was used to protect the simulation from wind.
ID: 1331
Bringing the rain after the fire

With not a cloud in the sky and temperatures soring into the triple digits, watershed scientists brought a cooling respite to the California int ...

Principal Investigator : Joe Wagenbrenner

Wildlife and Fish
Water, Air, and Soil
2017PSW
Photo of A prescribed fire burns in a southern forest.
ID: 1306
Burning forests can impact water supplies

The number of wildland fires and burned areas in the U.S. is on the rise as a result of a warming climate, drought, and increasing human ignitio ...

Principal Investigator : Ge Sun

Wildlife and Fish
Water, Air, and Soil
2017SRS
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 Forest Service scientists, resource managers, and members of the Lakeview Stewardship Group discuss management of fire-prone forests on a field trip in the Fremont-Winema National Forest, Oregon.
ID: 1380
Challenges in coordinating wildfire risk reduction among diverse forest owners

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

Principal Investigator : Susan Charnley

Wildland Fire and Fuels
Inventory and Monitoring
2017PNW
Photo of Assessment of a stream reach that combines open channelization with built-up, impermeable (gray) riparian areas and canopy forming vegetation (green) riparian with permeable surfaces of the Rio Piedras watershed. Luis Weber-Grullón, Arizona State University.
ID: 1154
Challenges to Riparian Function in a Tropical, Urban Stream Network

Limited connectivity of riparian areas, pluvial drainages, and highly modified stream channels affect hydrological function of green spaces in u ...

Principal Investigator : Tamara Heartsill Scalley

Resource Management and Use
Water, Air, and Soil
2016IITF
Photo of Watershed 7 following harvest using timber cutting and yarding with mobile cable system January 1977–June 1978. Wayne Swank, U.S. Department of Agriculture Forest Service.
ID: 1087
Changes in Water Quality Last More Than 30 Years After Clear Cutting

Evidence from 36 years of data following experimental clear-cut logging at Coweeta Hydrologic Laboratory, N.C., suggests that forest disturbance ...

Principal Investigator : Jennifer D. Knoepp

Water, Air, and Soil2016SRS
Photo of Map of the predicted species richness in Puerto Rico. U.S. Department of Agriculture Forest Service.
ID: 1184
Characterization of the Network of Protected Areas in Puerto Rico

Scientists Analyze the biodiversity, landscape diversity and forest cover in terrestrial protected areas in Puerto Rico to anser the question: W ...

Principal Investigator : William A. Gould

Wildlife and Fish2016IITF
Photo of The seed pathogen known as
ID: 703
Cheatgrass Biocontrol with "Black Fingers of Death"

Understanding the effects of slow-growing versus fast-growing pathogen strains may be the key to successfully slow down or stop cheatgrass seed ...

Principal Investigator : Susan E. Meyer

Invasive Species2014RMRS
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 Ten-year moving averages of annual simulated flow components as percent of simulated historical mean (1953-2012) using mid-summer drought, range of general circulation models, and multimodel general circulation model ensembles for the northern U.S. region. U.S. Department of Agriculture Forest Service.
ID: 1104
Climate Change and Water Resources in a Tropical Island System

Forest Service scientists study propagation of uncertainty from statistically downscaled climate models to hydrologic models.

Principal Investigator : William A. Gould

Resource Management and Use
Water, Air, and Soil
2016IITF
Photo of Cooling degree-days (CDD) form the multimodel average of all 12 GCMs under the (a) A2, (b) A1B, and (c) B1 scenarios at 28 stations and their averages. U.S. Department of Agriculture Forest Service.
ID: 1099
Climate Change Implications for Tropical Islands

Interpolating and Interpreting Statistically Downscaled General Circulation Model Projections for Management and Planning

Principal Investigator : William A. Gould

Resource Management and Use
Water, Air, and Soil
2016IITF
Photo of Badger Creek in Lewis and Clark National Forest, Mont. Streams in the northern Rocky Mountains are already being affected by increased air temperatures and declining snowpacks.
ID: 1369
Climate change in the Rocky Mountains

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

Principal Investigator : David L. Peterson

Wildland Fire and Fuels
Inventory and Monitoring
Water, Air, and Soil
Wildlife and Fish
Resource Management and Use
2017PNW
Photo of View of vegetative recovery five years after fire on a Colorado Plateau site includes scattered mountain big sagebrush plants that grew from seeds that survived the fire. These young plants are just large enough to begin producing seeds. Plant density on this site is sufficient to support a prediction of full sagebrush recovery in 25-35 years after the fire. Stanley G Kitchen, USDA Forest Service
ID: 704
Climate Regulates Mountain big Sagebrush Recovery After Fire

Wildland fire plays a key role in shaping natural communities on semi-arid landscapes around the world. The composition and structure of plant c ...

Principal Investigator : Stanley G. Kitchen

Wildland Fire and Fuels2014RMRS
Photo of Infographic that demonstrates the approach for developing vulnerability assessments for Southern Rockies Landscape Conservation Cooperative partners designed to maximize the integration of partner feedback. Southern Rockies Landscape Conservation Cooperative.
ID: 943
Collaborative Venture Between Southern Rockies Landscape Conservation Cooperative and the Forest Service’s Rocky Mountain Research Station

Successful management of natural and cultural resources needs to account for increasing stress due to climate change, wildfire, and anthropogeni ...

Principal Investigator : Megan M. Friggens

Resource Management and Use
Water, Air, and Soil
Wildlife and Fish
2016RMRS
Photo of Mangrove reforestation in Puerto Rico. USDA Forest Service
ID: 771
Conserving Mangroves in the Context of the Anthropocene

Mangroves of the Anthropocene will be on the move as a result of sea level rise and atmospheric warming as well as human activity and therefore ...

Principal Investigator : Ariel Lugo

Resource Management and Use2015IITF
Photo of  Gary Bentrup, landscape planner from the USDA National Agroforestry Center, gives a presentation July 28, 2014, on Capitol Hill, on the role trees play in urban agriculture. seminar sponsored by the National Coalition for Food and Agricultural Research. Tom Van Arsdall, National Coalition for Food and Agricultural Research.
ID: 747
Cornucopia in the Cities: Growing Urban Agriculture with Trees

Advances in research show how incorporating trees in urban landscapes contributes to diverse sustainable systems for growing food in cities that ...

Principal Investigator : Gary Bentrup

Resource Management and Use2014WO
Photo of Research supported by the National Agroforestry Center is helping to estimate the carbon sequestration benefits of windbreaks. U.S. Department of Agriculture National Agroforestry Center.
ID: 1136
Counting the Carbon from Working Trees in US Agricultural Lands

Ever since the Dust Bowl Days, windbreaks and other Working Tree practices have been contributing to the health and resiliency of U.S. agricultu ...

Principal Investigator : Michele Schoeneberger

Water, Air, and Soil2016WO
Photo of The Marmot Dam on the Sandy River in Oregon was breached in October 2007 to improve habitat for salmon and steelhead. Gordon Grant, Forest Service
ID: 91
Dam Removal Produces Largest Release of Sediment in History

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

Principal Investigator : Gordon Grant

Water, Air, and Soil2012PNW
Photo of Dead Utah juniper cross-section that has been crossdated. Inside ring is 871 AD and outside ring is 1211 AD. Justin DeRose, U.S. Department of Agriculture Forest Service.
ID: 1030
Dendrochronology of Utah Juniper

Annual precision of tree-ring data is often sought for detailed analyses. Important, widespread species such as ponderosa pine and Douglas-fir a ...

Principal Investigator : R. Justin DeRose

Water, Air, and Soil2016RMRS
Photo of Modeled bull trout habitat in western Montana and northern Idaho. Color coding indicates the estimated likelihood of a stream providing spawning and rearing habitat for bull trout.  USDA Forest Service
ID: 836
Detection and Range Delineation of Bull Trout Using Environmental DNA

The bull trout is listed as an endanged species that relies on cold stream environments across the Northwest and is expected to decline with cli ...

Principal Investigator : Kevin S. McKelvey

Wildlife and Fish
Inventory and Monitoring
2015RMRS
Photo of Swabbing a Cascades frog to test disease status. USDA Forest Service
ID: 813
Disease Risk for Mountain Amphibians of California

Chytridiomycosis, an infectious disease caused by a fungus, has emerged as a catastrophic global pandemic in amphibians within the past several ...

Principal Investigator : Karen L. Pope

Wildlife and Fish2015PSW
Photo of A healthy, vigorous  2 year old DED-tolerant American elm seedling growing on a reclaimed mine site. USDA Forest Service
ID: 847
Disease-resistant American Elms are Suitable for Mine-land Reforestation

Almost 1 million acres of reclaimed mine land in the Appalachians are no longer forested. Restoring these lands to productive forests requires ...

Principal Investigator : Mary Beth Adams

Water, Air, and Soil
Resource Management and Use
2015NRS
Photo of Regional change in southeast Alaskan forests is created by asymmetrical fine-scale disturbance and growth. USDA Forest Service
ID: 765
Disturbance and Regrowth in Southeast Alaska Forests Shows Spatial Patterning

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

Principal Investigator : Tara M. Barrett

Resource Management and Use
Inventory and Monitoring
2015PNW
Photo of 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, PhD

Resource Management and Use2013NRS
Photo of
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
Photo of Floral scents are captured by enclosing flowers in clear plastic cups and pulling air out of the cups through an odor trap. Scientists found that drought changed the smell of all four species studied and reduced pollinator visitation to three of the four plant species. Justin B. Runyon, USDA Forest Service
ID: 699
Drought Stress Changes Floral Scent and Reduces Pollinator Visitation

Pollinators assist 80 percent of flowering plants in their reproduction, which accounts for much of the food ingested by humans and wildlife. Th ...

Principal Investigator : Justin B. Runyon

Resource Management and Use2014RMRS
Photo of Foothill yellow-legged frogs can be found in habitats located in the North Fork of the American River. Amy Lind, Forest Service
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
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 S. Kenefic

Outdoor Recreation
Resource Management and Use
2013NRS
Photo of Book cover
ID: 458
Ecological Gradient Analyses in Tropical Ecosystems

Forest Service scientists recently published a book that contains a comprehensive analysis of ecological gradients in the Luquillo Mountains of ...

Principal Investigator : Grizelle Gonzalez

Inventory and Monitoring
Water, Air, and Soil
Resource Management and Use
2013IITF
Photo of Seventeen-year-old hybrid poplars used for phytoremediation at an industrial brownfield in North Carolina. Ron Zalesny, U.S. Department of Agriculture Forest Service.
ID: 1129
Ecosystem Services and Environmental Technologies of Woody Crop Production Systems

Long-term research led by Forest Service scientists show that short rotation woody crops such as poplar and willow can be grown to enhance ecosy ...

Principal Investigator : Ronald S. Zalesny, Jr.

Water, Air, and Soil
Resource Management and Use
2016NRS
Photo of A forested watershed in Wyoming.
ID: 1352
Effect of forest cover on water treatment costs

Intact forests preserve water quality in our lakes and streams, providing cost savings for municipal water providers. American water utilities s ...

Principal Investigator : Travis Warziniack

Resource Management and Use
Wildlife and Fish
Water, Air, and Soil
2017RMRS
Photo of
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
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, Dr.

Water, Air, and Soil
Resource Management and Use
2012NRS
Photo of Koa tree along Saddle Road on east side of the Big Island of Hawaii.
ID: 1404
Environmental factors associated with genetic variation in the Hawaiian koa tree

Forest Service scientists looked at the association between environmental variables and genetic variation in the endemic Hawaiian tree species, ...

Principal Investigator : Christina Liang

Water, Air, and Soil
Resource Management and Use
2017RMRS
Photo of This flow diagram shows how we ranked species for potential to replace ash: status and risk to ash was considered together with potential of co-occurring species (both in Minnesota and in points south in Michigan and Ohio) to tolerate a changing climate. Louis Iverson, U.S. Department of Agriculture Forest Service.
ID: 1122
Equipping Forest Managers to Respond to Two Threats to Ash

Forest Service scientists used field data and models to assess both the threats to, and potential replacement species for, black ash, a species ...

Principal Investigator : Louis Iverson

Invasive Species
Water, Air, and Soil
2016NRS
Photo of A schematic diagram showing (a) the pond hydrological processes and water budget used in model development and (b) a photo of a pond in Macon, Mississippi used for model application.
ID: 1336
Estimating the ratio of pond size to irrigated crop land: A tool to conserve groundwater resources in Mississippi

Groundwater withdrawals in the Mississippi Delta region and around the nation have increased dramatically since the last century, resulting in t ...

Principal Investigator : Ying Ouyang

Water, Air, and Soil
Wildlife and Fish
Resource Management and Use
2017SRS
Photo of These images depict the habitat restoration site and demonstrate the assignment of habitat characteristics to individual habitat cells.
ID: 1345
Evaluating habitat restoration plans with a novel fish population model

The ability to forecast the consequences of alternative habitat restoration plans for highly valued resources is a critical need of the Forest S ...

Principal Investigator : Bret C. Harvey

Water, Air, and Soil
Wildlife and Fish
2017PSW
Photo of Annual reports describing the health of the nation’s forests serve as a guide to forest health trends and provide quantitative baselines for detecting forest health changes over time.  USDA Forest Service
ID: 923
Evaluating the Health of the Nation’s Forests

“So, how are the trees doing?” For more than a decade, forest monitoring professionals have been answering that question in an informative s ...

Principal Investigator : Kurt Riitters

Inventory and Monitoring2015SRS
Photo of Wildland fire can have destructive ecological and social effects.  Georgia Forestry Commission
ID: 730
Examining Trade-offs in Wildland Fire Management Decisions

Reducing or mitigating the negative effects of wildland fire is a major priority in communities all across the United States and must be address ...

Principal Investigator : Danny C. Lee

Wildland Fire and Fuels
Resource Management and Use
2014SRS
Photo of Location of four experimental forests included in the integrated restoration study.
ID: 1407
Experimental Forests: Great places to learn about forest science and management

Scientists used an experimental forest network to develop different management strategies and make science accessible for managers and other par ...

Principal Investigator : Terrie B. Jain

Inventory and Monitoring
Resource Management and Use
Water, Air, and Soil
Wildland Fire and Fuels
2017RMRS
Photo of An exclusion structure allowed researchers to simulate a 30 percent rainfall reduction in the loblolly plots. Marshall A. Laviner, Virginia Polytechnic Institute and State University
ID: 933
Fertilized Pines Use Water More Efficiently But May Suffer Worse in Droughts

Fertilized loblolly pine trees produce more wood than their unfertilized counterparts, even when less water was available, butthis may also indi ...

Principal Investigator : Steven McNulty

Resource Management and Use2015SRS
Photo of Hemlock wooly adelgid covers the leaves of a hemlock tree. Connecticut Agricultural Experiment Station
ID: 131
Forest Community Dynamics After Widespread Die-Off From an Invasive Insect

Understanding how microclimate and forest community respond to eastern hemlock die-off

Principal Investigator : Chelcy F. Miniat

Water, Air, and Soil
Invasive Species
2012SRS
Photo of An aerial view shows an experimental watershed study on the hydrologic impacts of forest clearing in North Carolina’s Piedmont region. David Jones, North Carolina Forest Service
ID: 934
Forest Cover Plays a More Critical Role in Regulating Water Resources in the Piedmont than in the Mountains and Coastal Plain

The mountains, Piedmont, and coastal plain are three distinct land provinces across the southeastern U.S. Population density, topography, and ty ...

Principal Investigator : Johnny Boggs

Water, Air, and Soil2015SRS
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, Dr.

Inventory and Monitoring
Resource Management and Use
Water, Air, and Soil
Outdoor Recreation
Invasive Species
Wildland Fire and Fuels
2014NRS
Photo of This map highlights where threats such as wildfire, insects, and disease exist, overlap, and intersect with urban and exurban development. USDA Forest Service
ID: 535
Forest Mapping Study Helps Identify Regions with Multiple Threat Potential, Including Wildfires

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

Principal Investigator : Jeffrey D. Kline

Wildland Fire and Fuels2013PNW
Photo of Researcher conducts research in a snow pit, measuring the depth of the snow and evaluating snow crystals to understand their stability and amount of water held in them.
ID: 1330
Forest Service partners with NASA to better understand snow in forested areas

More than one-sixth of the world’s population rely on seasonal snow for water. In the western U.S., nearly three-quarters of the annual stream ...

Principal Investigator : Kelly J. Elder

Wildlife and Fish2017RMRS
Photo of A researcher collects fuel samples during a prescribed burn as part ofWashington State’s Forest Resiliency Burning Pilot project.
ID: 1342
Forest Service research supports Washington State’s Forest Resiliency Burning Pilot Project

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

Principal Investigator : Roger D. Ottmar

Wildland Fire and Fuels
Inventory and Monitoring
2017PNW
Photo of Eucalyptus stand in South Africa. Donald Owen, California Department of Forestry and Fire Protection
ID: 735
Forest Service Scientists Assess Potential Impacts of Eucalyptus on Water Resources in the Southern U.S.

At the request of the USDA Animal and Plant Health Inspection Service, the Center for Integrated Forest Science led interdisciplinary analyses t ...

Principal Investigator : James Vose

Resource Management and Use2014SRS
Photo of Map of the water supply of the U.S. U.S. Department of Agriculture Forest Service.
ID: 1002
Forest Service Scientists Estimate Annual Water Supply of the Contiguous U.S.

Forest Service scientists estimated water supply across the contiguous 48 states for the period 1981-2010. Political, administrative, and land c ...

Principal Investigator : Thomas C. Brown

Water, Air, and Soil2016RMRS
Photo of Smoke from the 2013 American Fire in Tahoe National Forest, California.
ID: 1371
Forest Service team proposes strategies to restore forest health with fire while protecting air quality in nearby communities

A team of Forest Service scientists delivered research that demonstrates using fire under favorable weather and fuel conditions, large areas of ...

Principal Investigator : Jonathan W. Long

Wildland Fire and Fuels
Inventory and Monitoring
2017PNW
Photo of Example of regionally (Ridge and Valley) defined species Gaultheria procumbens. Cynthia D. Huebner, U.S. Department of Agriculture Forest Service.
ID: 969
Forests Characterized More by Regionally Defined Understory Species are Less Vulnerable to Invasion

Current forest understory composition may help predict future invasion by exotic plants. Sites with species that can be found across regions and ...

Principal Investigator : Cynthia Huebner

Invasive Species
Resource Management and Use
2016NRS
Photo of ForWarn forest change image: blue indicates normal forest conditions compared to the previous year and green to red indicates moderate to extreme vegetative change. Forest Service
ID: 132
ForWarn Monitors Forests Coast-to-Coast

Web-based tool provides a weekly snapshot of U.S. forest conditions to aid forest managers

Principal Investigator : William Hargrove

Wildland Fire and Fuels
Invasive Species
Resource Management and Use
2012SRS
Photo of Accumulated forest fuel at the Stanislaus Tuolumne Experimental Forest in California, shown during a prescribed burn in 2013. USDA Forest Service
ID: 823
Fuel Loads Vary With Overstory in a Fire-excluded Sierra Nevada Mixed Conifer Forest

Surface fuels are highly heterogeneous in their characteristics and spatial distribution, but knowledge of within-stand variability is generally ...

Principal Investigator : Jamie Lydersen

Wildland Fire and Fuels2015PSW
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 Gender and Forests, published in 2017.
ID: 1366
Gender bias affects forests worldwide

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

Principal Investigator : Susan Stevens Hummel

Resource Management and Use
Water, Air, and Soil
2017PNW
Photo of Regional groupings of tropical montane cloud forest and associated lower and upper altitudinal limits of the cloud belt (modified after Scatena 2010). U.S. Department of Agriculture Forest Service.
ID: 1158
Geographic, Environmental, and Biotic Sources of Variation in the Nutrient Relations of Tropical Montane Forests

Incorporating other geographic, environmental and biotic variables in tropical montane forests biogeochemistry, might give scientists a more acc ...

Principal Investigator : Grizelle Gonzalez

Inventory and Monitoring
Resource Management and Use
Water, Air, and Soil
2016IITF
Photo of Westslope cutthroat trout, native to the Columbia River and upper Missouri River hybridize with introduced rainbow trout and have been extirpated from large portions of their historical range. U.S. Department of Agriculture Forest Service.
ID: 1143
Headwater Streams are Resistant to Trout Hybridization

Hybridization between native and introduced species is noted as an important player in the decline of native species. The potential for hybridiz ...

Principal Investigator : Kevin S. McKelvey

Wildlife and Fish
Water, Air, and Soil
2016RMRS
Photo of Chinese privet invades riparian forest of the southeastern U.S. where it chokes out other plants causing a decline in butterfly abundance and diversity. Forest Service
ID: 407
Heavy infestations of Chinese privet in forests exclude most butterflies

Heavy infestations of Chinese privet, an invasive shrub, to crowd out most other plants in affected forests. . This results in very few butterfl ...

Principal Investigator : James L. Hanula

Invasive Species2011SRS
Photo of Invasive Japanese knotweed spreads aggressively along river banks, as it has here along Wildcat Creek in western Washington. Shannon Claeson, USDA Forest Service
ID: 528
Herbicide Eradication of Invasive Plants May Release Exotic Invaders

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

Principal Investigator : Shannon Claeson

Invasive Species2013PNW
Photo of Lingering ecological effects can be found along the edges of past harvests for decades.
ID: 1365
How do old clearcuts affect old-growth?

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

Principal Investigator : David M. Bell

Resource Management and Use
Water, Air, and Soil
2017PNW
Photo of Forest Service researcher Christina Stringer with Artur Titos, who works for a Mozambique organization collaborating on the carbon monitoring project. USDA Forest Service
ID: 924
How Much Carbon is Stored in Mozambique Mangroves?

In an article published online in the journal Forest Ecology and Management, Forest Service researcher Christina Stringer and collaborators pro ...

Principal Investigator : Christina Stringer

Water, Air, and Soil2015SRS
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 Forest Service employee Robert Eaton stands beside an eight year old Eucalyptus benthamii growing near Ravenel, S.C. Chris Maier,  USDA Forest Service
ID: 718
I Water Use of Intensively Managed Eucalyptus Plantations Studied

In parts of the southern U.S., short-rotation Eucalyptus plantations have the potential to substantially increase forest productivity for biomas ...

Principal Investigator : Chris A. Maier

Resource Management and Use
Water, Air, and Soil
2014SRS
Photo of Spring chinook and coho smolts released into the Methow River from the Winthrop National Fish Hatchery in Washington. U.S. Fish and Wildlife Service/Courtesy of Yakama Nation Fisheries.
ID: 982
Illuminating Nature’s Invisible Fabric

Forest Service scientists conducted a series of studies to understand how river fish are connected to the broader food web. They then used this ...

Principal Investigator : J. Ryan Bellmore

Water, Air, and Soil
Wildlife and Fish
2016PNW
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 Map of Borneo showing areas of forest loss between 2000 and 2010 in yellow, areas of forest persistence from 2000 to 2010 in green, and areas that were not forest in 2000 in black.
ID: 1350
Improved predictions of deforestation in Borneo

A collaborative team led by Forest Service research ecologist Samuel Cushman has produced a substantial breakthrough in advancing predictive mod ...

Principal Investigator : Samuel A. Cushman

Water, Air, and Soil
Outdoor Recreation
Inventory and Monitoring
Resource Management and Use
2017RMRS
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 Decaying snag provides a diversity of ecological functions. USDA Forest Service
ID: 818
Improving the Ability to Map and Estimate Snags Across Forested Landscapes Using Airborne LiDAR Data

Forest Service researchers have developed a new method that uses airborne LiDAR data to identify, estimate, and monitor snags across the landsca ...

Principal Investigator : Brian M. Wing

Inventory and Monitoring2015PSW
Photo of A simple depiction of the hydrologic cycle Robin L. Quinlivan. U.S. Department of Agriculture Forest Service.
ID: 987
Improving Watershed Management and Water Quality by Creating a More Informed Citizenry

Primers about hydrology, watershed management, and soil erosion were written to provide scientific information in an easy to understand format f ...

Principal Investigator : Pamela Edwards

Water, Air, and Soil2016NRS
Photo of Passive samplers for air pollution in Athabasca Oil Sands Region. Forest Service
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
Photo of Researchers conduct fish surveys along the Entiat River, Wash. USDA Forest Service
ID: 782
Instream Habitat Restoration Increases Stream Capacity for both Chinook Salmon and Steelhead Trout

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

Principal Investigator : Karl Polivka

Wildlife and Fish2015PNW
Photo of Image of invasive strawberry guava trees and invasive ginger plants. Christian Giardina, U.S. Department of Agriculture Forest Service.
ID: 1080
Interactive Effects of Climate Change and Invasive Species on Water Yield in Tropical Montane Forests

Forest Service scientists quantify the impact of anticipated climate change and invasive species on water yield from streams using the Distribut ...

Principal Investigator : Christian P. Giardina

Invasive Species
Water, Air, and Soil
2016PSW
Photo of The network of monitoring sites that provided data for this study. The U.S.-China Carbon Consortium allows scientists to share data across the United States and China.
ID: 1311
International collaborators develop easy-to-use formulas for water and carbon accounting

Ecosystem water use is closely coupled with ecosystem productivity, water availability, and water supplies, but accurate water use accounting re ...

Principal Investigator : Ge Sun

Wildlife and Fish
Water, Air, and Soil
2017SRS
Photo of Salvage operation following windthrow in the Allegheny high plateau region. USDA Forest Service
ID: 803
International Symposium Improves Understanding of Disturbance and Salvage Logging and Forest Sustainability

The Forest Service’s Northern Research Station along with the University of Pittsburgh and the Carnegie Museum of Natural History sponsored an ...

Principal Investigator : Alejandro A. Royo

Resource Management and Use
Inventory and Monitoring
2015NRS
Photo of Fish screen installed in a wetland unit at the Hanalai National Wildlife Refuge on Kauai. Fish are removed from the water as it flows through the screen. The fish-free water is then used to flood the wetland unit behind the screen. Richard MacKenzie, USDA Forest Service
ID: 684
Keeping Out Exotic Fish Improves Endangered Hawaiian Waterbird Habitat

Exotic tilapia and mosquito fish are found in aquatic ecosystems throughout the Hawaiian Islands where they degrade native fish and waterbird ha ...

Principal Investigator : Richard A. Mackenzie

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

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

Principal Investigator : Rebecca Flitcroft

Water, Air, and Soil
Wildlife and Fish
2014PNW
Photo of Watersheds, land cover, and municipalities within the study area of the El Yunque National Forest.  USDA Forest Service
ID: 770
Land-cover Composition, Water Resources and Land Management in the Watersheds of the Luquillo Mountains, Northeastern Puerto Rico

An important element for wise use of water-related ecosystem services is understanding land-cover composition and its relation to water resource ...

Principal Investigator : Tamara Heartsill Scalley

Water, Air, and Soil2015IITF
Photo of Stream restoration near the Seneca Rocks Discovery Center, Monongahela National Forest. Kristin Floress, U.S. Department of Agriculture Forest Service.
ID: 1017
Landscape Scale Conservation Evaluation of the West Virginia Restoration Venture

Long-term investment in relationships with local organizations increases opportunities for landscape scale conservation.

Principal Investigator : Kristin Floress

Resource Management and Use
Water, Air, and Soil
Wildlife and Fish
2016NRS
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
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
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 A rainbow trout. Mark Lisac, U.S. Fish and Wildlife
ID: 672
Lipid Accumulation and Metabolic Rate Influence Steelhead versus Rainbow Trout Life History

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

Principal Investigator : Gordon Reeves

Wildlife and Fish
Water, Air, and Soil
2014PNW
Photo of Airborne Carnegie Airborne Observatory-LiDAR image from a January 2008 flight showing vegetation height for more than 100 kipuka on the Island of Hawaii. Inset shows one example kipuka of roughly 25 hectares. Greg Asner, Carnegie Institution of Science
ID: 901
Long-term Fragmentation Reduces Ecosystem Carbon Storage and Productivity

In the naturally fragmented tropical montane landscape in Hawaii, Forest Service researchers used a highly replicated (more than 600) set of fra ...

Principal Investigator : Christian P. Giardina

Inventory and Monitoring
Resource Management and Use
Water, Air, and Soil
2015PSW
Photo of Hemlock woolly adelgids are killing eastern hemlocks in the Southern  Appalachian region. The loss of hemlock will have long-term implications  for hydrological cycles as well as plant and animal communities. Chelcy Miniat, USDA Forest Service
ID: 722
Loss of Eastern Hemlock Affects Peak Flows after Extreme Storm Events

Few studies have examined how insect outbreaks affect landscape-level hydrologic processes. In this study, Forest Service scientists report the ...

Principal Investigator : Chelcy F. Miniat

Water, Air, and Soil2014SRS
Photo of Peaks of El Yunque National Forest, Puerto Rico. Gerald Bauer, U.S. Department of Agriculture Forest Service.
ID: 1145
Making Management More Adaptive Through Research in El Yunque National Forest

Research is an integral part of decision making on the El Yunque National Forest as forest management adopts an adaptive approach to resource pl ...

Principal Investigator : Kathleen McGinley

Resource Management and Use2016IITF
Photo of A public field tour in the Deschutes National Forest, Oregon. Resource managers, scientists, and the public discuss management strategies for fire-prone forests such as the Deschutes National Forest.
ID: 1340
Managing fire-prone forests in multi-ownership landscapes

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

Principal Investigator : Thomas Spies

Wildland Fire and Fuels
Inventory and Monitoring
Water, Air, and Soil
Resource Management and Use
2017PNW
Photo of A sagebrush ecosystem in north central Nevada converted to the invasive annual brome-grass, cheatgrass, by wildfire. Nolan E. Preece.
ID: 999
Managing Invasive Annual Brome Grasses and Altered Fire Regimes

Invasive annual brome grasses are resulting in altered fire regimes and conversion of native arid and semi-arid ecosystems in the western United ...

Principal Investigator : Jeanne C. Chambers

Invasive Species
Water, Air, and Soil
Wildland Fire and Fuels
Wildlife and Fish
Resource Management and Use
2016RMRS
Photo of Tropical Montane Cloud forest from the Luquillo Experimental Forest, Puerto Rico. van Vicens, Forest Service
ID: 310
Managing Tropical Montane Cloud Forests

Over the course of a decade, USFS researchers have collaborated with international researchers to complete research needed to better manage and ...

Principal Investigator : International Institute of Tropical Forestry

Water, Air, and Soil
Resource Management and Use
2011IITF
Photo of High-resolution stream temperature scenario developed from data at over 20,000 sites and used to precisely map locations of climate refugia for cold-water species. U.S. Department of Agriculture Forest Service.
ID: 1025
Mapping Climate Refugia to Preserve Cold-water Biodiversity Using Crowd-sourced Databases

Climate change is rapidly altering stream and river environments across the western U.S. and may threaten the long-term persistence of populatio ...

Principal Investigator : Daniel J. Isaak

Water, Air, and Soil
Wildlife and Fish
Inventory and Monitoring
2016RMRS
Photo of Map of the mean annual water supply for the contiguous 48 United States. USDA Forest Service
ID: 777
Mean Annual Water Supply for the Contiguous U.S. Updated

This study estimated water supply across the contiguous 48 states for the period 1981-2010. Political, administrative, and land cover boundaries ...

Principal Investigator : Thomas C. Brown

Water, Air, and Soil2015RMRS
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 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 Hells Canyon Dam. Forest Service researchers and their colleagues have developed spatially explicit, individual-based models of salmonid fishes to address how dams affect them. NOAA.
ID: 944
Modeling Potential River Management Conflicts Between Frogs and Salmonids

The Forest Service participates in the management of many regulated rivers that, while providing clean water to people, also support populations ...

Principal Investigator : Bret C. Harvey

Water, Air, and Soil
Wildlife and Fish
2016PSW
Photo of Standardized sampling of sagebrush habitats can inform management actions for sagebrush obligates like greater sage-grouse. Mary Rowland, USDA Forest Service
ID: 758
National Technical Guide Provides a Foundation for Monitoring Wildlife Habitat on National Forests

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

Principal Investigator : Mary M. Rowland

Wildlife and Fish
Inventory and Monitoring
2014PNW
Photo of 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 English ivy is a common invasive woody climbing plant. David J. Moorehead, University of Georgia
ID: 736
New Database Will Help Identify Potentially Invasive Plants in the United States

In order to examine parameters of plant invasion success in the United States, scientists with the Forest Service's Eastern Forest Environmental ...

Principal Investigator : Qinfeng Guo

Invasive Species
Resource Management and Use
Inventory and Monitoring
2014SRS
Photo of Thicket of trees in a ponderosa pine forest located on the Long Valley Experimental Forest depicts unhealthy forest conditions. Richard T. Reynolds, USDA Forest Service.
ID: 698
New Framework Guides Land Managers in Restoring Forests to Historic Conditions

Forest Service and university scientists and managers synthesized 100 years of published forestry science to help forest managers better underst ...

Principal Investigator : Richard T. Reynolds

Wildland Fire and Fuels
Resource Management and Use
Outdoor Recreation
Water, Air, and Soil
Wildlife and Fish
2014RMRS
Photo of Scott Bailey collecting a sample. Scott W. Bailey, U.S. Department of Agriculture Forest Service.
ID: 1035
New Insights into how Forests Provide Clean, Secure Water Supplies

Forests are the source of much of our nation's water supply. Understanding how forested watersheds regulate water quality is key to proper water ...

Principal Investigator : Scott Bailey

Water, Air, and Soil2016NRS
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, Dr.

Resource Management and Use
Wildland Fire and Fuels
2012NRS
Photo of Land use change is particularly influential in a mixed land use watershed, which is especially important for identifying areas where hydrologic responses are most sensitive to land use change. Even a moderate amount of conversion of forest to developed use in a mixed use watershed had a large effect on streamflow dynamics.
ID: 1328
New research reveals that mixed land use watersheds are most vulnerable to forest loss

Forest Service scientists developed a novel land use model and integrated modeling framework that represents a significant advancement for evalu ...

Principal Investigator : James Vose

Wildlife and Fish2017SRS
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 Researchers and crew plant bluebunch wheatgrass to test the efficacy of seed transfer zones for improved restoration success at Steens Mountain, Oregon. USDA Forest Service
ID: 807
New Seed Zones for Bluebunch Wheatgrass Tested

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

Principal Investigator : Holly R. Prendeville

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

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

Principal Investigator : Brooke Penaluna

Wildlife and Fish2016PNW
Photo of One of the partially harvested treatment units of the “Variable Retention Salvage” study on the Blacks Mountain Experimental Forest, Lassen National Forest, Calif., in June 2006, four years after the Cone Fire and three years after salvage harvest.
ID: 1332
New study finds post-wildfire recovery of understory vegetation is little affected by salvage logging

After the 2002 Cone Fire burned into the Blacks Mountain Experimental Forest on the Lassen National Forest in northeastern California, scientist ...

Principal Investigator : Eric E. Knapp

Wildland Fire and Fuels
Inventory and Monitoring
Resource Management and Use
Water, Air, and Soil
Invasive Species
2017PSW
Photo of The Seedlot Selection Tool
ID: 1411
New tool puts the right seed in the right place for the coming climate

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

Principal Investigator : Brad St. Clair

Resource Management and Use
Water, Air, and Soil
2017PNW
Photo of Screen capture of the NTFP Calculator. Gary Bentrup, U.S. Department of Agriculture National Agroforestry Center.
ID: 1141
Non-Timber Forest Product Calculator: A Tool for Merging Conservation and Production

The new non-timber forest product calculator allows landowners to estimate the income potential of harvesting and selling non-timber forest prod ...

Principal Investigator : Gary Bentrup

Water, Air, and Soil
Resource Management and Use
2016WO
Photo of African tulip trees, on kartz topography, showing more abundant bryophyte cover at the bases of their tree trunks. Frank  Su?rez, Biology Department, Mayagez Campus, University of Puerto Rico
ID: 311
Novel secondary forests provide valuable habitat for non-vascular plants

The value of secondary forests dominated by introduced species has been the subject of much debate. Forest Service sponsored research in Puerto ...

Principal Investigator : International Institute of Tropical Forestry

Invasive Species2011IITF
Photo of A regional watershed evaluation in southeast Alaska provided fundamental understanding about how carbon moves between land and water. USDA Forest Service
ID: 795
Nutrient Cycling Through Wetlands in Southeast Alaska Affects Stream Carbon

The coastal temperate rainforest of southeast Alaska can be characterized by the constant flow of water between the terrestrial and aquatic syst ...

Principal Investigator : David V. D'Amore

Water, Air, and Soil2015PNW
Photo of Image of the mapping tool as viewed online through the San Juan ULTRA website http://sanjuanultra.org/.  Tischa Munoz, USDA Forest Service
ID: 459
Online Mapping Tool Helps Identify Green Areas for Sustainability Planning in San Juan

The tool also allows multiple stakeholders in the city to deliberate and model multiple scenarios for green connectivity and their utility in ad ...

Principal Investigator : Tischa A. Munoz-Erickson

Inventory and Monitoring
Resource Management and Use
Water, Air, and Soil
2013IITF
Photo of National Forests in the Sierra Nevada color-coded by percent of each watershed available for mechanical treatment. USDA Forest Service
ID: 817
Opportunities to Wield the Saw and the Flame to Restore California Forests

Researchers analyzed how different kinds of constraints on forest thinning influence opportunities to reduce wildfire risks across the Sierra Ne ...

Principal Investigator : Jonathan W. Long

Resource Management and Use
Wildland Fire and Fuels
2015PSW
Photo of A stand of old-growth Douglas-fir in the H.J. Andrews Experimental Forest, Oregon.
ID: 1359
People, Forests, and Change: Lessons from the Pacific Northwest

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

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

Water, Air, and Soil
Resource Management and Use
2017PNW
Photo of Photo of permanent study plot in 2007 immediately prior to timber harvest. Jack Butler, USDA Forest Service
ID: 701
Ponderosa Pine Understory Vegetation Recovers Quickly Following Timber Harvest

Creating and maintaining a healthy forest relies on the resiliency of understory vegetation. The understory vegetation is largely responsible fo ...

Principal Investigator : Jack L. Butler

Resource Management and Use
Inventory and Monitoring
Invasive Species
2014RMRS
Photo of Inoculation of ailanthus tree with fungal spores by a researcher in Wayne National Forest. USDA Forest Service
ID: 851
Possible Biocontrol Agent for the Invasive Ailanthus Tree Is Tested

Forest Service scientists from the agency’s Northern Research Station are studying a native fungus and find that it kills ailanthus (tree-of-h ...

Principal Investigator : Joanne Rebbeck

Invasive Species2015NRS
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 Riparian Forest Buffer planting along stream bank in Bear Creek, IA. Richard Straight, USDA Forest Service
ID: 745
Precision Design for Improving Buffers and Water Quality

Effectiveness of vegetative buffers, conventionally designed to have uniform width along field margins and riparian areas can be improved by pla ...

Principal Investigator : Mike Dosskey

Water, Air, and Soil2014WO
Photo of Riparian forest buffer among Iowa farm fields. Lynn Betts, U.S. Department of Agriculture Natural Resources Conservation Service.
ID: 1142
Precision Design of Riparian Buffers for Improving Water Quality

The effectiveness of vegetative buffers, such as riparian forest buffers, can be doubled by matching their configuration to the terrain instead ...

Principal Investigator : Mike Dosskey

Water, Air, and Soil2016WO
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 Forest Service researchers conducted experiments at Pringle Falls Experimental Forest, Oregon, to learn how soil is affected by burn severity, and how that relates to the recovery of vegetation.
ID: 1360
Quantifying fire effects on soil

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

Principal Investigator : Jane E. Smith

Water, Air, and Soil
Wildlife and Fish
2017PNW
Photo of Sources of phosphorus from a forested 90-m long hill with a Tahoe Basin Climate under different forest conditions, as predicted by the Tahoe Basin Sediment Model. Forest Service
ID: 123
Quantifying Phosphorus Delivery Pathways in Forest Watersheds

Predictive model clearly shows the importance of lateral flow in delivering phosphorus from steep forested hillslopes to forest streams

Principal Investigator : William J. Elliot

Water, Air, and Soil2012RMRS
Photo of Lake Tahoe is renowned for its intense blue hue. Wikimedia Commons.
ID: 1113
Quantifying Phosphorus Delivery Pathways in Forest Watersheds

Forest streams and lakes are renowned for their clarity, but scientists’ concern that forest streams are carrying excessive amounts of phospho ...

Principal Investigator : William J. Elliot

Resource Management and Use
Water, Air, and Soil
2016RMRS
Photo of Exclosures protect riparian plantings from browsing by deer and elk at Starkey Experimental Forest and Range, Oregon.
ID: 1348
Quantifying the effects of deer and elk on riparian plantings installed to improve salmon habitat

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

Principal Investigator : Mary M. Rowland

Wildlife and Fish2017PNW
Photo of Forests and water are inextricably linked, and forested watersheds provide clean and dependable water supplies to downstream communities. USDA Forest Service
ID: 723
Quantifying the Role of National Forest System Lands in Providing Surface Drinking Water Supply for the Southern United States

In the South, as in the rest of the U.S., people and communities depend on forests as the headwaters for clean and dependable water supply. A ne ...

Principal Investigator : Peter V. Caldwell

Water, Air, and Soil2014SRS
Photo of Urban forest systems can be managed to mimic undisturbed forests to help “pre-treat” stormwater runoff before it enters drinking water supplies.
ID: 1303
Quantifying urban forest effects on stormwater runoff

Forests provide the majority of potable water to the public. Urbanization of water-providing forests impacts water quality, as traditional urban ...

Principal Investigator : Eric Kuehler

Water, Air, and Soil
Wildlife and Fish
2017SRS
Photo of Juvenile foothill yellow-legged frog. Ryan Peek, Forest Service
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
Photo of Fremont-Winema National Forest, southern Oregon.
ID: 1339
Rapid forest health assessment to aid forest restoration

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

Principal Investigator : Nancy E. Grulke

Resource Management and Use
Water, Air, and Soil
2017PNW
Photo of Eastern Threat Center collaborative research has detected regional shifts in the diversity of forest seedlings, indicating forest biodiversity change that enables robust and rapid monitoring of climate change effects.  Kevin Potter, North Carolina State University
ID: 409
Rapid monitoring of climate change effects improves forest management

Climate change and other threats are likely to alter the composition of forests as species die out in some areas and move into others, which cou ...

Principal Investigator : Southern Research Station

Inventory and Monitoring2011SRS
Photo of The brownish areas are oak decline sites/trees. Dale Starkey, Forest Service
ID: 145
Red Oak Species Is Especially Vulnerable to Drought Events

Oak decline and mortality under periodic regional drought in the Ozark Highlands of Arkansas and Missouri

Principal Investigator : Marty Spetich

Inventory and Monitoring2012SRS
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
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
Photo of The compound figure shows historic photos of large trees. the first is one that had been used as an example of an American chestnut in the pre-blight forest, the second photo shows a similar tree and setting that is of a redwood in California, the third photo is a documented photo of a large American chestnut before the blight. The figure was published in the journal Chestnut.
ID: 1009
Restoration of a Forest Giant

The blight resistance of a variety of families of hybrid American chestnuts is under study on the Monongahela National Forest in West Virginia. ...

Principal Investigator : Melissa Thomas-Van Gundy

Resource Management and Use2016NRS
Photo of Soil amendment treatments (wood chips, biochar, and biosolids) alone or in combinations applied to an abandoned mine site near Sumpter, OR.
ID: 1355
Restoring abandoned mine soil with organic amendments

Restoring abandoned mine sites with no environmental hazard or chemical contamination can be expensive because of the inhospitable (hot, dry) en ...

Principal Investigator : Deborah S. Page-Dumroese

Water, Air, and Soil
Wildlife and Fish
2017RMRS
Photo of Fisheye imagery of the forest canopy at Kumbrabow State Forest in West Virginia illustrating the nearly continuous hardwood overstory above red spruce saplings. At times the red spruce saplings can be nearly as old as the overtopping hardwood trees. Thomas Schuler, U.S. Department of Agriculture Forest Service.
ID: 1102
Restoring Fed Spruce Forests in the Central Appalachians

Red spruce forests once dominated the mountain tops of the Central Appalachians, but following exploitive logging and destructive wildfires a ce ...

Principal Investigator : Thomas M. Schuler

Resource Management and Use2016NRS
Photo of In the dry tropical forest zone of Ghana, a combination of extractive logging without adequate regeneration, fire, and invasion by Chomolaena odorata resulted in severly degraded forests. John Stanturg, USDA Forest Service
ID: 710
Restoring Forest Landscapes

An estimated 1 billion acres of globally degraded forest are in need of restoration today and climate change likely will drive more acres into t ...

Principal Investigator : John A. Stanturf

Resource Management and Use2014SRS
Photo of Hikers in the Olympic National Forest, Washington.
ID: 1358
Revealing the economic benefits of outdoor recreation in national forests

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

Principal Investigator : Eric M. White

Resource Management and Use
Outdoor Recreation
2017PNW
Photo of Forest succession at research site plot in the Chiclana stream, part of the Rio Piedras watershed. Top photo 2006, below 2010. A pluvial structure is marked at the right of each photo for reference. Harold Manrique-Hernandez, San Juan Bay Estuary Program.
ID: 1153
Riparian Vegetation Restoration in Light of Succession; Management Implications for Restoration in Tropical Secondary Forests

There is a wide variety of approaches on how to determine when a river restoration project can be considered ecologically successful. The limite ...

Principal Investigator : Tamara Heartsill Scalley

Invasive Species
Inventory and Monitoring
Water, Air, and Soil
2016IITF
Photo of Trout Creek, Washington, after removal of the Hemlock Dam. USDA Forest Service
ID: 783
River Conditions Improve with a Modified Dam Removal Strategy in Washington State

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

Principal Investigator : Shannon Claeson

Wildlife and Fish
Resource Management and Use
2015PNW
Photo of Eastern Threat Center researchers serve on an interagency science and analysis team working with regional strategy committees to evaluate the relative consequences of alternative courses of action in wildland fire management. Forest Service
ID: 412
Science benefits national fire planning effort

As part of ongoing efforts to reduce human and ecological losses from wildfire, federal agencies responsible for wildland fire management are wo ...

Principal Investigator : Danny C. Lee

Wildland Fire and Fuels
Resource Management and Use
2011SRS
Photo of U.S. forests, such as this bottomland hardwood stand, are susceptible to climate change. Paul Bolstad, University of Minnnesota
ID: 740
Science in supports of the National Climate Assessment

A synthesis of research findings provided the foundation for the analysis of climate change on forest conditions, land use, and forest carbon in ...

Principal Investigator : James Vose

Resource Management and Use
Water, Air, and Soil
Inventory and Monitoring
2014SRS
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 A study site in the Tahoe National Forest, eight years after prescribed fire. USDA Forest Service.
ID: 764
Scientists Assess Effectiveness of Fuels Reduction Treatments in California

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

Principal Investigator : Nicole Vaillant

Wildland Fire and Fuels2015PNW
Photo of Forest floor litter and duff measurements for eight forest types along elevation gradient in northeastern Puerto Rico. Asterisks indicate significant difference between litter and duff biomass within forest type. Grizelle Gonz�lez, USDA Forest Service
ID: 457
Scientists Characterize Woody Debris to Assess Fuel Loads in Northeastern Puerto Rico

Forest Service scientists characterized the amounts of woody debris (coarse woody debris, fine woody debris, duff, and litter) for eight differe ...

Principal Investigator : Grizelle Gonzalez

Inventory and Monitoring
Water, Air, and Soil
Wildland Fire and Fuels
2013IITF
Photo of A headwater stream in western Oregon. USDA Forest Service
ID: 792
Scientists Determine Ideal Buffer Width to Sustain Aquatic and Riparian Resources Along Headwater Streams

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

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

Wildlife and Fish
Resource Management and Use
2015PNW
Photo of 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 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 Scenic coast with marsh grass. Billy Humphries, Forest Resource Consultants, Inc.
ID: 707
Scientists Quantify How Much Light Seagrasses Require to Survive

Globally, seagrasses provide ecological services valued at nearly 4 trillion dollars per year. Unfortunately, human activities that decrease wat ...

Principal Investigator :

Resource Management and Use2014SRS
Photo of Research ecologist Justin DeRose extracts a tree core from an increment borer. Tree rings in a tree core not only tell the age of the tree, they also provide vital information about a tree’s growth from year to year, including periods of drought and other natural disturbances.
ID: 1387
Scientists recontruct the history of snowpack in Utah to help managers plan for future water demand

Understanding snowpack variability is an important goal of water management; in particular, in the arid west where snow represents a major water ...

Principal Investigator : R. Justin DeRose

Outdoor Recreation
Wildlife and Fish
Water, Air, and Soil
Inventory and Monitoring
2017RMRS
Photo of Red bulletwood (Manilkara bidentata) leaf in a stream flow contributing to seasonally varying tropical stream exports that are resources for aquatic fauna. Forest Service
ID: 30
Seasonality and Forest Succession in Tropical Watersheds Affects Stream Export

Continuous export of organic matter from mountain streams depends on forested headwaters contributing leaf litter of varied quantity and quality ...

Principal Investigator : Tamara Heartsill Scalley

Resource Management and Use
Water, Air, and Soil
2012IITF
Photo of Across forestlands on the West Coast, tree seedlings are migrating to areas cooler than the current range of mature trees. USDA Forest Service
ID: 793
Seedlings of Most Tree Species in California, Oregon, and Washington are Shifting Toward Areas Colder Than Those Occupied by Mature Trees

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

Principal Investigator : Vicente Monleon

Inventory and Monitoring2015PNW
Photo of Wet sulfate deposition in high-elevation southern Appalachian watersheds has decreased over time. U.S. Department of Agriculture Forest Service.
ID: 1093
Sensitivity of Southern Appalachian Watersheds to Acidic Deposition

High-elevation forested watershed streams remain acidic even though acid deposition has declined. Land managers have long sought to identify and ...

Principal Investigator : Jennifer D. Knoepp

Water, Air, and Soil2016SRS
Photo of Forest impacted by the mountain pine beetle. U.S. Department of Agriculture Forest Service.
ID: 1043
Shape Selection in Landsat Time Series

Understanding trends in forest disturbance and their effects on forest parameters such as tree canopy cover and biomass is important for carbon ...

Principal Investigator : Gretchen Moisen

Inventory and Monitoring
Resource Management and Use
Wildland Fire and Fuels
Water, Air, and Soil
2016RMRS
Photo of Cove hardwood forest at Coweeta Experimental Forest in western North Carolina. USDA Forest Service - Paul Bolstad, Bugwood.org
ID: 917
Shifting Rainfall Patterns May Change Southern Appalachian Forest Structure

Changes in rainfall patterns in the southern Appalachians due to climate change could reduce growth in six hardwood tree species common to the r ...

Principal Investigator : Katherine J. Elliott

Water, Air, and Soil2015SRS
Photo of Longleaf pine seedlings grow in soils compacted at different levels and held at different moisture contents in the greenhouse. Andy Scott, USDA Forest Service
ID: 716
Soil Condition Affects Longleaf Pine Seedlings More Than Loblolly Pine Seedlings

Restoring longleaf pine forests to previously disturbed soils, especially those that have been compacted by past management, can have problems. ...

Principal Investigator : Andy Scott

Water, Air, and Soil
Resource Management and Use
2014SRS
Photo of Forest Service rangers and passive samplers in Desolation Wilderness. Forest Service
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
Photo of Excavating the roots. USDA Forest Service
ID: 857
Staghorn Sumac Out-competes Ailanthus Under Different Light and Density Conditions

In a greenhouse and common garden study led by a Forest Service scientist, staghorn sumac out-competed ailanthus (tree-of-heaven). Thus, at leas ...

Principal Investigator : Cynthia Huebner

Invasive Species
Resource Management and Use
2015NRS
Photo of The coastal tailed frog is one of many species that likely would benefit from linked headwaters that facilitate connectivity among gene pools of subpopulations in adjacent watersheds. Loretta Ellenburg, Forest Service
ID: 343
Strategically linking headwater habitats across ridgelines benefits amphibians and management

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

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

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

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

Principal Investigator : Steve Wondzell

Water, Air, and Soil2016PNW
Photo of National forests in eastern Oregon and Washington are using information from this new synthesis to plan restoration projects.? USDA Forest Service
ID: 833
Synthesis on Mixed-Conifer Forest Science Provides Scientific and Practical Guidance to Landscape Restoration

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

Principal Investigator : Paul F. Hessburg, Sr.

Resource Management and Use2015PNW
Photo of
ID: 428
TACCIMO Development Team Honored with Regional Forester's Honor Award

The Template for Assessing Climate change Impacts and Management Options (TACCIMO) development team, composed of researchers from the Southern R ...

Principal Investigator : Steven McNulty

Resource Management and Use2011SRS
Photo of Longleaf pine stand after a controlled burn. Erich G. Vallery, USDA Forest Service
ID: 714
Tailoring Prescribed Fire for the Private Landowner

The fate of the Range-Wide Conservation Plan for Longleaf Pine will be determined by private landowners' willingness to commit to longleaf pine ...

Principal Investigator : Mary Anne Sword Sayer

Resource Management and Use2014SRS
Photo of CLCC logo
ID: 1106
The Caribbean Landscape Conservation Cooperative

A New Framework for Effective Conservation of Natural and Cultural Resources in the Caribbean.

Principal Investigator : William A. Gould

Resource Management and Use
Water, Air, and Soil
2016IITF
Photo of Mapping provides insights into aquatic resources for conservation prioritization and restoration. USDA Forest Service
ID: 837
The Cold Water Climate Shield: Prioritizing High-value Aquatic Resources

Native trout are culturally and ecologically important, but climate change is likely to shrink the cold-water environments they require. Much ca ...

Principal Investigator : Daniel J. Isaak

Water, Air, and Soil
Wildlife and Fish
2015RMRS
Photo of Río Saliente river in Jayuya, Puerto Rico.  Kasey R. Jacobs, USDA Forest Service
ID: 592
The effects of changing land cover on stream flow simulation in Puerto Rico

Rainfall, terrain, and use of the landscape affect stream flow and water resources availability.

Principal Investigator : William A. Gould

Resource Management and Use2014IITF
Photo of Mameyes river flood event. USDA Forest Service
ID: 780
The Effects of Changing Land Cover on Streamflow Simulation in Puerto Rico

Streamflow models were developed for Puerto Rico, Vieques, and Culebra simulating historic conditions from 1953 to 2012. When land cover was inc ...

Principal Investigator : William A. Gould

Resource Management and Use
Water, Air, and Soil
2015IITF
Photo of Tree marked for a restoration treatment on the Deschutes National Forest. Oregon Department of Forestry.
ID: 1109
The Effects of Landscape Restoration Strategies on Fire and Ecosystem Services Vary with Rate of Treatment in a Fire-prone Multi-ownership Region

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

Principal Investigator : Thomas Spies

Wildland Fire and Fuels
Resource Management and Use
2016PNW
Photo of Prediction of historic fire frequency from 165-1850 for the continental U.S. U.S. Department of Agriculture Forest Service.
ID: 958
The History of Fire in the United States and its Future Under Changing Climates

In the past, North America was a fire continent, but the role of fire was highly variable across the country and over time. Fire history researc ...

Principal Investigator : Daniel C. Dey, Dr.

Resource Management and Use
Wildland Fire and Fuels
Wildlife and Fish
2016NRS
Photo of  Summer research assistants Joe Becker and Andrew Wade help take care of the thousands of ash trees and seedlings that are part of the breeding program at the Northern Research Station in Delaware, OH. Jennifer Koch, U.S. Department of Agriculture Forest Service.
ID: 968
The Key to Rescuing Green Ash from Emerald Ash Borer is in the Genes

Hundreds of genes in lingering ash trees have been identified that may help researchers understand the defense responses they use to defend them ...

Principal Investigator : Jennifer Koch

Invasive Species2016NRS
Photo of Millipedes used in the microcosms were all from the Order Stemmiulida, Family Stemmiulidae. Forest Service
ID: 19
The Role of Millipedes in Tropical Ecosystems

The direct and indirect effects on litter of varying lignin content

Principal Investigator : Grizelle Gonzalez

Water, Air, and Soil2012IITF
Photo of The tradeoffs among carbon storage, wildlife habitat, and timber production depend on the specific management scenario that is used. USDA Forest Service.
ID: 763
Timber and Habitat Tradeoffs Associated with Managing West Cascades Forests to Increase Carbon Storage

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

Principal Investigator : Jeffrey D. Kline

Resource Management and Use2015PNW
Photo of Eastern Threat Center scientists delivered training workshops for professionals from three African countries, highlighting models that quantify potential impact of land use practices on water quality and quantity. Erika Cohen, Forest Service
ID: 406
Tools to help international conservation agencies make sound decisions

Researchers with the Eastern Forest Environmental Threat Assessment Center (EFETAC) applied models they developed with partners to measure water ...

Principal Investigator : Ge Sun

Water, Air, and Soil2011SRS
Photo of A little brown bat is infected with white-nose syndrome (WNS).  Nancy Heaslip, NY Department of Environmental Conservation
ID: 712
Tracking the Decline of Bats in North America

Though it's well known that bats in North America are declining rapidly from white-nose syndrome (WNS), wind energy development and other causes ...

Principal Investigator : Susan C. Loeb

Wildlife and Fish2014SRS
Photo of A Forest Service scientist measures water temperature in the Snoqualmie River, Washington. Colin Sowder, University of Washington (permission???)
ID: 831
Understanding and Modeling the Complexity of Natural Stream Thermal Regimes

Water temperature is a key element of aquatic habitats. New findings suggest that yearround monitoring of water temperature patterns can add val ...

Principal Investigator : Pacific Northwest Research Station

Water, Air, and Soil2015PNW
Photo of Noxious weeds were monitored following thinning and burning treatments in a lodgepole pine forest. Forest Service
ID: 141
Unwanted Side Effects of Roads Are Invasive Species

Monitoring invasive plants is an important component of forest restoration

Principal Investigator : Justin B. Runyon

Invasive Species2012RMRS
Photo of
ID: 430
USDA Agroforestry Strategic Framework Provides Roadmap to Sustainable Agriculture

On June 6, 2011, the USDA Agroforestry Strategic Framework, Fiscal Year 2011-2016 was officially released by USDA Deputy Secretary Kathleen Merr ...

Principal Investigator : Andy Mason

Resource Management and Use
Water, Air, and Soil
2011WO
Photo of Aerial view of island braided study reach of the Clark Fork River as it flows through the Missoula valley in western Montana. U.S. Department of Agriculture Forest Service.
ID: 1057
Use of Airborne Digital Imagery to Examine Floodplain Complexity at Varying Discharges

The typical way water moves through a floodplain is considered a river’s natural flow regime and it includes the size, timing, and duration of ...

Principal Investigator : Katelyn P. Driscoll

Water, Air, and Soil2016RMRS
Photo of Autumn Coleman, soil scientist for the Helena National Forest, collecting soil moisture in the adjacent undisturbed forest. Joan Tirocke, U.S. Department of Agriculture Forest Service.
ID: 1062
Using Biochar to Improve Soil Quality on Decommissioned Roads

U.S. National Forests have more than 380,000 miles of roads. Many of these roads are over 25 years old, sub-standard, compacted, and invaded wit ...

Principal Investigator : Deborah S. Page-Dumroese

Water, Air, and Soil2016RMRS
Photo of Class I and II Wilderness areas and lakes evaluated for acidification vulnerability. Glen Shaw, USDA Forest Service
ID: 680
Vulnerability of High Elevation Lakes of the Sierra Nevada to Atmospheric Acidic Deposition

In at least some years, hundreds of wilderness lakes are likely receiving acid loading in excess of their buffering capacity. The most vulnerabl ...

Principal Investigator : Mark E. Fenn

Water, Air, and Soil2014PSW
Photo of Research site with loblolly pine and intercropped native switchgrass plants.
ID: 1314
Water quality effects of switchgrass intercropping on pine forests in coastal North Carolina

Six recent years of data from site preparation to full growth of switchgrass, as a celluolosic bioenergy crop, suggest that planting switchgrass ...

Principal Investigator : Devendra M. Amatya

Wildlife and Fish
Water, Air, and Soil
2017SRS
Photo of Researchers measured sediment in water samples upstream and downstream of stream crossing sites, such as this steel bridgemat at a skid trail crossing, before, during, and after harvesting operations.
ID: 1319
Water samples provide further guidance on how best to protect water quality at stream crossings in Piedmont forests

Sedimentation inputs to streams are some of the biggest current and future challenges for land and water managers. Preventing stream sediment ge ...

Principal Investigator : Johnny Boggs

Water, Air, and Soil
Wildlife and Fish
2017SRS
Photo of Foothill yellow-tailed tadpoles. Sarah Kupferberg, U.C. Berkeley
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
Photo of Weir at Coweeta Hydrologic Laboratory.
ID: 1315
Water yield following forest to grass to forest transitions

Forested watersheds are important sources of drinking water. However, species identity affects water yield from deciduous forests. Through old-f ...

Principal Investigator : Katherine J. Elliott

Wildlife and Fish2017SRS
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 Former cropped wetland restored to a wetland by the Southeastern Wetland Reserve Program. Joel Gramling, The Citadel
ID: 130
Wetlands Assessment Project Documents Outcomes of Conservation on Working Lands

Assessment offers managers a tool to improve project planning and assessment of wetland practices on working lands in the South and elsewhere

Principal Investigator : Diane De Steven

Inventory and Monitoring2012SRS
Photo of Douglas-fir in H.J. Andrews Experimental Forest, Oregon.
ID: 1363
Wetter, warmer conditions will likely favor biomass accumulation in Douglas-fir

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

Principal Investigator : David M. Bell

Water, Air, and Soil
Resource Management and Use
2017PNW
Photo of Riparian wetland restoration in progress, with planted cypress trees. Forest Service
ID: 423
What do we need to know to conserve wetlands on working lands in the South

The Conservation Effects Assessment Project (CEAP) is a multi-agency effort to improve effectiveness of Farm Bill conservation programs by quant ...

Principal Investigator : Diane De Steven

Inventory and Monitoring2011SRS
Photo of Hayfork Bally looking out over part of the 2008 Miners Fire near Hayfork.  Carl Skinner, Forest Service
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
Photo of Bumble bees and other pollinators are crucial to our nation’s economic health, food security, and ecosystem health; restoring habitat to conserve their populations is the focus of recent federal attention. R. Kasten Dumroese, U.S. Department of Agriculture Forest Service.
ID: 1056
Wildflowers are Key to Sagebrush Restoration

Land managers are dealing with an increasing number of imperiled species; often mandates focus on each crisis species independently. A myopic ap ...

Principal Investigator : Kasten Dumroese

Resource Management and Use
Wildlife and Fish
2016RMRS
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