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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 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 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 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 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 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 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 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 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 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 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  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 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 A structurally complex and diverse red pine forest. Christel Kern, USDA Forest Service
ID: 468
Diversity is Key to Restoring Resilience of Iconic Great Lakes Pine Forests

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

Principal Investigator : Brian J. Palik

Resource Management and Use2013NRS
Photo of
ID: 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 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
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

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

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

Principal Investigator : Northern Research Station

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

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

Principal Investigator : Daniel C. Dey

Inventory and Monitoring
Resource Management and Use
Water, Air, and Soil
Outdoor Recreation
Invasive Species
Wildland Fire and Fuels
2014NRS
Photo of 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 : Jeff Kline

Wildland Fire and Fuels2013PNW
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 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 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 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 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 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 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 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 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 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 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 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 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 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 Map of mean fire interval years in the United States. Forest Service
ID: 67
New Model Estimates Historic Fire Frequency

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

Principal Investigator : Daniel C. Dey

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

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

Principal Investigator : Kevin T. Smith

Water, Air, and Soil
Resource Management and Use
2012NRS
Photo of 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 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 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 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 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 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 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 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 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 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 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 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 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 : Zanethia Choice

Resource Management and Use2014SRS
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 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 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
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 : Steve 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 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 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 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 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 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 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 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 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 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