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Highlight IDTitleStrategic Program Area(s)YearStation
Photo of This report summarizes current knowledge on yellow-cedar and offers opportunities to adapt conservation and management of yellow-cedar in Alaska. USDA Forest Service
ID: 772
A Climate Adaptation Strategy for Conservation and Management of Yellow-Cedar in Alaska

A new report assesss past, current, and expected future condition of yellow-cedar forests on all land ownerships where yellow-cedar grows in Ala ...

Principal Investigator : Paul Hennon

Resource Management and Use2015PNW
Photo of Board treated with copper-based preservatives showing premature signs of rot caused by copper-tolerant brown rot fungi. USDA Forest Service
ID: 910
A Knowledge-based Approach for Developing Green Building Solutions

Scientists are using gene discovery to accelerate their understanding of copper tolerance in wood decay fungi and create green solutions for woo ...

Principal Investigator : Juliet D. Tang

Resource Management and Use2015FPL
Photo of The figure displays age class in red spruce-dominated forests by alternative and for three time steps (year 0, year 30, and year 100) for a portion of the study area as a result of the models.  There are some differences in the alternatives in the amount of red spruce forest by age class and their location on the landscape. USDA Forest Service
ID: 865
A Landscape Model for Planning Red Spruce Restoration in West Virginia

A Forest Service scientist developed a model to answer specific questions about meeting restoration goals for red spruce while protecting habita ...

Principal Investigator : Melissa Thomas-Van Gundy

Resource Management and Use
Wildlife and Fish
2015NRS
Photo of Thicket of trees in a ponderosa pine forest located on the Long Valley Experimental Forest depicts unhealthy forest conditions. USDA Forest Service
ID: 828
A Science-Based Framework for Restoring Resiliency to Frequent-Fire Forests

Today’s Western ponderosa pine and dry mixed-conifer forests historically experienced frequent low-severity surface fires andhave undergone ch ...

Principal Investigator : Richard T. Reynolds

Resource Management and Use
Wildlife and Fish
Water, Air, and Soil
Wildland Fire and Fuels
Invasive Species
2015RMRS
Photo of Seized illegal logs in Riau, Indonesia. CIFOR
ID: 932
A Scientist Finds that the Lacey Act Amendment of 2008 Works to Limit Illegal Wood Imports

Forest Service scientist Jeffrey Prestemon evaluated U.S. import trade data from countries that are suspected sources of illegally obtained wood ...

Principal Investigator : Jeffrey P. P. Prestemon

Resource Management and Use2015SRS
Photo of Tropical forest clearing and rates of forest regrowth can be monitored with multispectral satellite imagery for forest carbon accounting for programs such as the United Nations REDD+ program.  U.S. Geological Survey, the Brazilian Institute for Space Research, and NASA.
ID: 781
A Synthesis of How Multispectral Satellite Imagery Can Support Inventories of Greenhouse Gas Emissions from Tropical Forest Clearing and Regrowth

Human clearing, logging, and burning of tropical forests accounts for at least 19 percent of annual human-caused emissions of carbon dioxide to ...

Principal Investigator : Eileen H. Helmer

Inventory and Monitoring2015IITF
Photo of Community sign about rebuilding after the 2012 High Park Fire, Larimer County. USDA Forest Service
ID: 779
Adapting to Wildfire: Rebuilding After Home Loss

Wildfire management now emphasizes fire-adapted communities that coexist with wildfires, although it is unclear how communities will progress to ...

Principal Investigator : Miranda H. Mockrin

Wildland Fire and Fuels2015RMRS
Photo of X-ray fluorescence microscopy maps of concentration of chlorine (bottom) and potassium  (top) ions as a function of relative humidity.  The scale bar represents 20 microns. USDA Forest Service
ID: 887
Advancing Understanding of Wood Damage Mechanisms

Forest Service researchers examined the diffusion of ions in wood using synchrotron-based X-ray fluorescence microscopy. The researchers found ...

Principal Investigator : Joseph Jakes

Resource Management and Use2015FPL
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 A Forest Service researcher takes moss samples in Portland, Ore., as part of a study to analyze the moss for evidence of airborne toxins. Moss serve as a living record of local air pollution. USDA Forest Service
ID: 789
An Innovative Study Uses Moss to Measure Air Toxin Levels at Schools in Portland, Oregon

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

Principal Investigator : Geoffrey Donovan

Water, Air, and Soil2015PNW
Photo of Brighton Development in Barnegat Township, 2007 Warren Grove Wildfire. Gregory S. McLaughlin, New Jersey Forest Fire Service
ID: 874
Assessing Fire Risk at the Wildland-urban Interface Using LiDAR

Assessing wildland fire risk in the wildland–urban interface is difficult because each home and parcel has unique characteristics. Forest Serv ...

Principal Investigator : Nicholas Skowronski

Wildland Fire and Fuels2015NRS
Photo of Local produce at the farmers market in Santurce, Puerto Rico. Victor Cuadrado – ThinkaMap
ID: 801
Assessing Vulnerabilities to Climate Change in Tropical Agriculture and Forestry

New Vulnerability Assessment from the USDA Caribbean Climate Sub Hub.

Principal Investigator : William A. Gould

Resource Management and Use2015IITF
Photo of International working group meeting in Coyoacan, Mexico. NOTE: I have several other nice group photos. They all highlight our diversity. Vanessa Silva Mascorro, University of British Columbia
ID: 848
Assessment of North American Forest Carbon Dynamics: Tools for Monitoring, Reporting, and Projecting

Forest Service scientists and cooperators assessed past and prospective carbon stocks for representative study sites in Canada, the United State ...

Principal Investigator : Richard Birdsey

Water, Air, and Soil
Resource Management and Use
2015NRS
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 Middle school youth build bat boxes to install throughout school property to increase awareness on bat conservation. USDA Forest Service
ID: 878
Bats and Conservation Education Programs

Bats provide an important ecosystem services: They are voracious eaters of insects and can eat their body weight in insects every night. Unfortu ...

Principal Investigator : Deahn Donner

Wildlife and Fish2015NRS
Photo of Cellulose nanofibril-based electronics after 60 days of degradation test; fungus fully covers the  film. USDA Forest Service
ID: 896
Biodegradable Computer Chips Made From Wood

The current consumable materials used in the electronics industry are neither recyclable nor sustainable. To reduce the use of expensive materi ...

Principal Investigator : Zhiyong Cai

Resource Management and Use2015FPL
Photo of Data from a tabonuco forest (pictured) in the Luquillo Experimental Forest, one of three long-term time series of data, contributed to the BIOFRAG database. USDA Forest Service
ID: 761
BIOFRAG: A New Database for Analyzing Biodiversity Responses to Forest Fragmentation

A collaboration among more than 50 scientists from international institutions produced a database that contributes to understanding biodiveristy ...

Principal Investigator : Tamara Heartsill Scalley

Inventory and Monitoring
Resource Management and Use
2015IITF
Photo of Robin from kitchen window. J. Amy Belaire, University of Illinois at Chicago
ID: 854
Birds Connect Urban Residents to Biodiversity and Ecosystem Services

Birds can help urban residents make connections to the outdoors. Forest Service scientists surveyed urban residents and found that most of them ...

Principal Investigator : Lynne M. Westphal

Resource Management and Use
Wildlife and Fish
2015NRS
Photo of Fire approaching study plots during a winter controlled burned in the Ouachita Mountains. USDA Forest Service
ID: 929
Burning the Leafy Blanket: Winter Prescribed Fire and Litter Roosting Bats

Rather than hibernating in caves, some bat species in the southeastern U.S. get through the coldest parts of winter by roosting under fallen lea ...

Principal Investigator : Roger W. Perry

Wildlife and Fish2015SRS
Photo of Sequential vacuum treatment of southern pine with naturally occurring cellulose nanocrystals followed by biocide demonstrated penetration of wood before agglomeration occurred (left), but reversing the treatment sequence resulted in agglomeration  on the surface of southern pine (right). USDA Forest Service
ID: 888
Cellulose Nanocrystals Chemically Entrap Biocide in Wood

Can cellulose nanomaterials play a role in the development of novel preservatives to protect wood products from biodeterioration?

Principal Investigator : Carol A. Clausen

Resource Management and Use2015FPL
Photo of The Border Lakes Ecoregion contains (top) has starkly different land management histories separated by political boundaries.  Divergent land management histories created differences in landscape patterns of spruce budworm host (i.e., spruce and fir) that were mapped using remote sensing.  Spruce budworm disturbance histories reconstructed via tree-ring analyses across this study area include a range of outbreak frequencies and intensities (lower left, where position roughly corresponds to geographic location).  The greatest variation in the time-series of outbreak patterns were explained by forest configuration, followed by forest proportion, and then the variance shared by these two variables, while climate accounted for comparatively little variation (lower left). USDA Forest Service
ID: 886
Changes in Host Abundance Following Harvesting Desynchronize Forest Insect Pest Outbreaks

A Forest Service scientist led an international team to investigate how different historic forest management practices have affected spruce budw ...

Principal Investigator : Brian R. Sturtevant

Resource Management and Use2015NRS
Photo of RMRS scientists and university collaborators collect buds from the Buffalo Gap National Grassland for a growth chamber experiment.  Jacqueline P. Ott, South Dakota State University
ID: 798
Climate and Grazing Affect Prairie Grass Reproduction

Climate Change and Grazing Can Alter the Amount of Bud Outgrowth of Both Invasive and Native Grasses.

Principal Investigator : Jack L. Butler

Invasive Species
Resource Management and Use
2015RMRS
Photo of Nighttime warming experiment at the Sevilleta National Wildlife Refuge, New Mexico. This long-term experiment is designed to determine the effects of warmer nighttime temperatures on carbon fluxes in native desert grassland. Scott Collins, University of New Mexico
ID: 832
Climate Change Impacts on Future Carbon Stores and Management of Warm Deserts of the United States

Forest Service scientists summarized studies that focus on key components of carbon exchange across the warm deserts of North America to determi ...

Principal Investigator : Paulette L. Ford

Inventory and Monitoring2015RMRS
Photo of 2012 Wenatchee Complex, Okanogan-Wenatchee National Forest, WASH.  Kari Greer - Creative Commons
ID: 820
Climate-induced Variations in Global Wildfire Danger from 1979 to 2013

Identifying the driving factors of contemporary wildfire activity changes to ensure that wildfires are effectively managed to promote healthy ec ...

Principal Investigator : William M. Jolly

Wildland Fire and Fuels2015RMRS
Photo of Woodchips fuel the boiler used by the Tok School District, Alaska. USDA Forest Service
ID: 784
Community Biomass Handbook for Alaska Published

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

Principal Investigator : Eini C. Lowell

Resource Management and Use2015PNW
Photo of Mass Loss Calorimeter modified to include thermopile on chimney walls to compensate for radiant energy errors of the in-flow thermopile. Laura Hasburgh,  USDA Forest Service
ID: 899
Comparison of Two Bench-scale Tests Used for Obtaining Heat Release Rate

There is a growing demand for material properties to be used as inputs in fire behavior models designed to address building fire safety. This co ...

Principal Investigator : Laura Hasburgh, E.

Resource Management and Use2015FPL
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 Forest Service technician Tina Ciaramitaro and biological aide Tom Baweja submerge infested black ash logs in a stream. USDA Forest Service
ID: 840
Controlling Emerald Ash Borer and Preserving Black Ash for Native American Basketmaking

Emerald ash borer threatens the survival of all ash species in North America. The black ash tree has great cultural significance to Native Ameri ...

Principal Investigator : Therese M. Poland

Invasive Species2015NRS
Photo of Cores from a 100-year old ponderosa pine tree. USDA Forest Service
ID: 775
Dendroecological Studies in the Interior West States

Scientists produce tree ring data in digital format and make progress on data development for growth studies to analyze regional patterns of cli ...

Principal Investigator : John D. Shaw

Inventory and Monitoring2015RMRS
Photo of View of the Desert Experimental Range and administrative buildings after a summer rain. USDA Forest Service
ID: 799
Detecting Ecosystem Stress at the Desert Experimental Range

The Desert Experimental Range became an outdoor laboratory representative of a prominent ecosystem under stress with expectations that the rese ...

Principal Investigator : Stanley G. Kitchen

Resource Management and Use
Water, Air, and Soil
2015RMRS
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 Combustion tests and fire dynamics simulations allow researchers to characterize combustion rates, calorimetry, gas emissions, effective and total heat of combustion, and convective and radiative heat fluxes. USDA Forest Service
ID: 916
Developing the Next Generation of Forest Fire Behavior Models

Efforts are underway to develop the next generation of forest fire behavior models, and Forest Service researchers are extending their knowledge ...

Principal Investigator : Mark A. Dietenberger

Wildland Fire and Fuels2015FPL
Photo of Scanning electron image of cellulose nanocrystals coordinated to the surface of an epoxy particle. Natalie Girouard, Georgia Institute of Technology
ID: 894
Discovery of Cellulose Nanocrystals as Pot-life Stabilizers for Epoxy Coatings

Waterborne epoxy coatings are high-value, sought-after environmentally friendly products in the coating industry mostly due to their ease of use ...

Principal Investigator : Gregory Schueneman

Resource Management and Use2015FPL
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 Examples of rust on various tree species. USDA Forest Service
ID: 778
DNA-based Analyses Provide Critical Insights Into Threats Posed by the Invasive Myrtle Rust Pathogen

Using DNA-based studies, scientists have investigated the movement of myrtle rust, a pathogen that negatively impacts the health of various tree ...

Principal Investigator : Ned B. Klopfenstein

Invasive Species
Inventory and Monitoring
Resource Management and Use
2015RMRS
Photo of City forester collecting branch sample from actively wilting white oak tree. USDA Forest Service
ID: 862
DNA-based Method Enhances Detection of the Oak Wilt Fungus

Oak wilt is a major cause of tree death in the eastern United States. Symptoms are slower to develop in white oaks species than red oaks and oak ...

Principal Investigator : Jennifer Juzwik

Invasive Species2015NRS
Photo of Mapped distribution of drought tolerance based on forest composition of (A) dominant tolerance classes among species with suitable habitat, and (B) all species (mixed not used). DIT_x = drought intolerance class level, with 3 being the most intolerant; DT_x = drought tolerance level, with 3 being the most tolerant. USDA Forest Service
ID: 811
Drought and Forest Composition

Forest Service researchers used the cumulative drought severity index to examine the long-term influence of drought frequency and intensity duri ...

Principal Investigator : Matthew P. Peters

Resource Management and Use2015NRS
Photo of Tree rings record variations in climate, especially precipitation.  Using a large number of tree-ring records tied to Forest Inventory and Analysis plots will allow scientists to more precisely quantify the effects of post-drought growth lags over large land areas. USDA Forest Service
ID: 797
Drought Leaves a Lasting Impression on Trees

Some effects of drought, such as tree mortality, are obvious, but relatively little is known about non-lethal impacts. This study showed that th ...

Principal Investigator : John D. Shaw

Inventory and Monitoring2015RMRS
Photo of An example of eastern red cedar (Juniperus virginiana) expansion into grasslands in eastern Nebraska. USDA Forest Service
ID: 853
Eastern Redcedar Forests are Expanding in the Central United States

Monitoring of change in our nation’s forest resources is an important aspect of the Forest Inventory and Analysis (FIA) work in the Forest Ser ...

Principal Investigator : Dacia Meneguzzo

Inventory and Monitoring2015NRS
Photo of Researchers studied the effect of diet on carpenter ant brood development. ?Clemson University, USDA Cooperative Extension Slide Series, Bugwood.org
ID: 895
Effects of Diet on Brood Development in the Carpenter Ant

A Forest Service scientist fed carpenter ants an artificial diet, and variations of this diet, with nutrient components removed to examine the e ...

Principal Investigator : Mark Mankowski, E.

Invasive Species2015FPL
Photo of Field crew measure trees at H.J. Andrews Experimental Forest. USDA Forest Service
ID: 791
Equations Used to Estimate Regional Tree Biomass and Carbon can be Improved

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

Principal Investigator : Andrew Gray

Inventory and Monitoring2015PNW
Photo of 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 A map shows the links between visitor origin ZIP codes and destination campgrounds, as documented in the U.S. National Recreation Reservation Service database between January 2004 and September 2009. Link color indicates the number of individual reservations recorded in the database; links with 10 or fewer reservations have been omitted for clarity. USDA Forest Service
ID: 922
Examining the Role of Humans in the Spread of Invasive Species

Forest Service scientists and their collaborators have contributed innovative research to the field of forest pest risk assessment by focusing o ...

Principal Investigator : Frank H. Koch

Invasive Species2015SRS
Photo of Family forestland owners.  Thinkstock.com
ID: 843
Family Forest Owners See the Trees, Not the Forest

Family forest owners, people who own more forest land in the U.S. than any other group, do not perceive themselves as owning “forests.” Work ...

Principal Investigator : Brett J. Butler

Resource Management and Use
Inventory and Monitoring
2015NRS
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 A prescribed fire in a pitch pine stand in the Pinelands of New Jersey.  Prescribed fires consume primarily forest floor and understory vegetation, resulting in rapid recovery following burns. USDA Forest Service
ID: 873
Fire Management and Carbon Sequestration in Pine Barrens Ecosystems

Forest Service scientists quantified consumption and accumulation of the forest floor and understory vegetation during and following prescribed ...

Principal Investigator : Ken Clark

Wildland Fire and Fuels
Water, Air, and Soil
2015NRS
Photo of Vial of silver flies ready for field release. USDA Forest Service
ID: 860
First Release of a New Biological Control of Hemlock Woolly Adelgid

Forest Service scientists and their research partners tested and released two species of silver flies from the western United States for biologi ...

Principal Investigator : Nathan P. Havill

Resource Management and Use2015NRS
Photo of Chart showing thedemand from family forest owners for carbon management and carbon market assistance during 2011.  USDA Forest Service?
ID: 809
Forest Carbon Markets and Private Forest Landowners: Perspectives from State Forestry Agencies

Trees remove carbon from the planet’s atmosphere through photosynthesis and sequester carbon in their wood. Private landowners can manage thei ...

Principal Investigator : Stephanie Snyder

Water, Air, and Soil2015NRS
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 Top 20 energy conservation recommendations for SIC 24 (Lumber and Wood Products, Except Furniture) based on 437 assessments conducted under the Department of Energy’s Industrial Assessment Center (IAC) program during the period 2000-July 2015.  If all of the 3,295 recommendations offered were implemented, the annual energy savings for this industry sector would be 10 percent per year.  Based on the actual implementation rate, the energy savings is 4.2 percent per year. USDA Forest Service
ID: 868
Forest Products Industry Competitiveness Strengthened Through Energy Management and Savings

Cutting energy costs in wood products manufacturing is good for the environment and a long-overlooked way for companies to reduce their operatin ...

Principal Investigator : Janice (Jan) K. Wiedenbeck

Resource Management and Use2015NRS
Photo of Newly described pine beetle, Dendroctonus mesoamericanus, initiating a mine into the bark of a healthy pine tree in Chiapas, Mexico.  The beetle is clearing liquid resin being released by the tree as a defensive reaction to prevent beetle entry.  Hundreds of attacks like this one by this species and its close relative the southern pine beetle, Dendroctonus frontalis, can deplete the resin and cause rapid death of the tree.  Once the tree is dead, the beetles feed and reproduce within the bark. USDA Forest Service
ID: 937
Forest Service Scientists and Their International Collaborators Describe a Dangerous New “Mesoamerican Pine Beetle”

A newly discovered species of tree killing bark beetle in Central America, Dendroctonus mesoamericanus, has been recently described by an intern ...

Principal Investigator : Brian Sullivan

Invasive Species2015SRS
Photo of Researchers put radio tags on barred owls to learn what forest types the owls preferred. USDA Forest Service
ID: 773
Forest Structure Characteristics Within Barred Owl Home Ranges are Similar to Areas Used by Spotted Owls

Competitive interactions with barred owls are an important factor contributing to the population decline of the threatened northern spotted owl. ...

Principal Investigator : Peter Singleton

Wildlife and Fish2015PNW
Photo of This fossil forest in Ethiopia once had a very different climate. John Kappelman, University of Texas
ID: 915
Fossil Forests of Ethiopia Suggest Region’s late Oligocene Climate was Wetter Than Today

Don’t believe in climate change? Check out the woods from this Oligocene forest in Ethiopia.

Principal Investigator : Michael C. Wiemann

Resource Management and Use2015FPL
Photo of Mature shortleaf and loblolly pines on the Crossett Experimental Forest in southeast Arkansas. USDA Forest Service
ID: 908
Frequent Fire Maintains Shortleaf Pine as a Distinct Species

Fire effectively selects against loblolly pine genes in mixed stands of loblolly and shortleaf pines and appears to be required to maintain the ...

Principal Investigator : C. Dana Nelson

Resource Management and Use2015SRS
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 study site at the Starkey Experimental Forest and Range that was thinned and then fenced to exclude ungulate herbivory. USDA Forest Service
ID: 826
Fuels Reduction and Ungulate Grazing Effects on Exotic Plant Species are Short-lived in Upland Forest Understories

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

Principal Investigator : Michael Wisdom, Dr.

Resource Management and Use2015PNW
Photo of Emerald ash borer adult on a twig. USDA Forest Service
ID: 864
Functional Genomics of Emerald Ash Borer: Identifying Odor Processing Genes and Gene Blocking for Alternative Pest Management

The emerald ash borer (EAB) has killed hundreds of millions of ash trees in North America since its discovery in 2002 and threatens the entire a ...

Principal Investigator : Therese M. Poland

Invasive Species2015NRS
Photo of Researchers have discovered evolutionary groups within ponderosa pine that may have different responses to climate change, bark beetles, and other threats. Kevin Potter, North Carolina State University
ID: 921
Genetics Matter: Forest Tree Species at Risk

To conserve the genetic foundations that tree species need to survive and adapt to ever-changing threats, forest management decisions must consi ...

Principal Investigator : Southern Research Station

Resource Management and Use2015SRS
Photo of Male Procambarus barbiger, a burrowing crayfish endemic to Mississippi. Chris Lukhaup, Crusta10
ID: 926
Global Conservation Status of Freshwater Crayfish

The southeastern U.S. is a major hotspot of freshwater crayfish diversity, says a new global assessment of crayfish conservation status. The rep ...

Principal Investigator : Susan B. Adams

Wildlife and Fish2015SRS
Photo of Interns put EAB eggs on trees: Summer interns set up bioassay experiment by taping EAB eggs to test trees. USDA Forest Service
ID: 810
Green Ash Trees That Survive Beetle Infestation Pass on Their Resistance Through Propagation and Planting

Among the tens of millions of trees killed by the emerald ash borer (EAB), researchers have found a small number of trees that survived their as ...

Principal Investigator : Jennifer Koch

Invasive Species2015NRS
Photo of Stormwater tree trench and pervious pavers. USDA Forest Service
ID: 849
Green Stormwater Infrastructure Reduces Crime

Forest Service scientists tested the effects of green stormwater infrastructure installation on health and safety outcomes across Philadelphia ...

Principal Investigator : Michelle Kondo, Ph.D.

Water, Air, and Soil2015NRS
Photo of The brood of Tetrastichus adults emerging from an Emerald Ash Borer gallery in the field last fall, when dissecting an ash tree. USDA Forest Service
ID: 850
Guidelines for Release and Recovery of Emerald Ash Borer Biocontrol Agents

Biological control is a sustainable and long-term management tool for invasive species and is now being used to control the emerald ash borer (E ...

Principal Investigator : Leah Bauer

Invasive Species2015NRS
Photo of Predator beetles are used to control hemlock woolly adelgid, an insect pest shown here on an eastern hemlock twig. USDA Forest Service
ID: 936
Hemlock Woolly Adelgid Predator Beetle Releases and Recovery Efforts in the North Georgia Mountains.

Eastern hemlock are threatened by the invasive hemlock woolly adelgid. Three predators of this pest were released in North Georgia to combat thi ...

Principal Investigator : James L. Hanula

Invasive Species2015SRS
Photo of Greater frequency of harvests and physical disturbance of soil in managed forests results in higher respiration and soil carbon loss. U.S. Forest Service - Bugwood.org
ID: 938
High Forest Productivity Often Comes at the Expense of Soil Carbon Storage

Forest Service scientists and their research partners are studying the role of managed forests in regional carbon, water, and energy exchange to ...

Principal Investigator : Steven McNulty

Resource Management and Use2015SRS
Photo of Uniform dispersion and neutral color of a polypropylene: CNC composites produced with solid state shear pulverization (a), and the opposite case for a standard melt mixer composite with excessive thermal degradation (b). Krishnan Iyer, Northwestern University
ID: 892
High-performance Cellulose Nanocrystal Polyolefin Composites are an Attractive Filler for Polymer Composites

Nanocellulose-polypropylene and nanocellulose-polyethylene composites exhibited the greatest improvement ever reported for such composites made ...

Principal Investigator : Gregory Schueneman

Resource Management and Use2015FPL
Photo of The dots are microscopic beads and the lines are fungal hyphae. The beads turn from red to green when exposed to oxidation. Notice that the bead next to the fungus is more green than the others. USDA Forest Service.
ID: 912
How Does Wood Decay Start?

How do fungi rot wood? Using new tools, fluorescent dye attached to tiny beads, and laser confocal microscopy, Forest Service scientists were ab ...

Principal Investigator : Christopher G. Hunt

Resource Management and Use2015FPL
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 Sporulating fusiform rust gall on pine. USDA Forest Service - Bugwood.org
ID: 907
Identification of Fusiform Rust Resistance Genes in loblolly Pine

Knowledge of rust resistance genes provides tree breeders and forest managers with efficient tools for minimizing losses to fusiform rust, a fun ...

Principal Investigator : C. Dana Nelson

Resource Management and Use2015SRS
Photo of Basidiospores of Corticium murrillii stained with cotton blue. USDA Forest Service
ID: 884
Identifying Unusual or Poorly Known Decay Fungi

Most wood inhabiting fungi are essential to sustain healthy forests and biodiversity, but a few cause serious diseases. Correctly identifying sp ...

Principal Investigator : Karen K. Nakasone

Invasive Species2015FPL
Photo of Two-dimensional rendering of three-dimensional chemistry of poplar wood with representative spectra of lignin, hemicellulose and cellulose. Barbara Illman and USDA Forst Service
ID: 914
Imaging Wood Chemicals in Three Dimensions

For the first time, chemicals in wood were visualized in 3-dimensions. This advance in chemical analysis will help clarify scientists’ underst ...

Principal Investigator : Barbara L. Illman

Resource Management and Use2015FPL
Photo of Forest Service researchers set drift nets to sample larval fish and shrimp that are released to the water column. USDA Forest Service
ID: 919
Impacts of Cimate Change on Pacific Island Streams

Forest Service scientists studied how various ecological and hydrological functions responded to changes in rainfall. Streamflow and metrics all ...

Principal Investigator : Richard A. Mackenzie

Water, Air, and Soil
Inventory and Monitoring
2015PSW
Photo of European Starlings are one of the world’s most successful invasive species. Known to compete with native bird species for nest sites, they may also compete with ground-foraging insectivores and other grassland species.
ID: 796
Impacts of European Starlings on Native Species: Looking Beyond Competition for Nest Sites

European starlings are a remarkably successful invasive species known to compete with native bird species for nest cavities. Starlings avoid ung ...

Principal Investigator : Kathryn L. Purcell

Invasive Species2015PSW
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 The relationship between initial ash canopy condition and the time series progression of each canopy condition class of insecticide treated trees over the course of the experimen.t Kathleen Knight, USDA Forest Service
ID: 882
Insecticide Effectiveness Against Emerald Ash Borer Studied

Insecticides used to protect urban ash trees against emerald ash borer are not consistently protective: their effectiveness is diminished in hea ...

Principal Investigator : Kathleen Knight

Invasive Species2015NRS
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 Paper birch trees with evidence of bark harvesting. USDA Forest Service
ID: 808
Integrating Traditional Ecological Knowledge into Natural Resource Inventories and Management of Paper Birch Trees

The “Paper Birch in the Great Lakes” project is a collaborative effort to incorporate traditional ecological knowledge into research and nat ...

Principal Investigator : Northern Research Station

Inventory and Monitoring
Resource Management and Use
2015NRS
Photo of Wildfire Education Fun Day at the Pine Ridge Indian Reservation, Oglala Sioux Tribe, South Dakota. United States Bureau of Indian Affairs.
ID: 920
Interagency Research Collaboration FInds That Tribal Fire Prevention Has Large Benefits

Humans cause more than 55 percent of wildfires on lands managed by the Forest Service and the U.S. Department of the Interior, contributing to ...

Principal Investigator : Karen Lee Abt

Wildland Fire and Fuels2015SRS
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 Adult chipping sparrow banded to allow individual identification (photo by A. Benson) Aubree Benson, University of Montana
ID: 835
Invasive Plant Erodes Bird Song Diversity via Food Chain Effects

Although plant invaders are known for their negative effects on natural systems, the extent of these impacts is often unknown. Forest Service s ...

Principal Investigator : Yvette K. Ortega

Wildlife and Fish
Invasive Species
2015RMRS
Photo of A non-native grass invades a forest in the southeastern United States. Researchers are identifying and measuring factors that contribute to habitat invasibility, degree of invasion, and species invasiveness. U.S. Forest Service - Bugwood.org
ID: 905
Invasive Plants’ Success Depends on Native Species Richness and Biomass

For better control and management of invasive plant species, research must uncover the factors that contribute to habitat invasibility, degree o ...

Principal Investigator : Qinfeng Guo

Invasive Species2015SRS
Photo of Location of sites in western Montana sampled to determine the invasiveness and impact of 48 exotic plants in the bluebunch wheatgrass habitat type.  USDA Forest Service
ID: 830
Invasiveness and Impact of 48 Exotic Plant Species in Native Grasslands

This study quantified and ranked invasiveness and impact for 48 exotic plant species based on surveys over 20,000 square kilometers (12,427 squa ...

Principal Investigator : Dean E. Pearson

Invasive Species2015RMRS
Photo of Fence line of one of the plots with canopy gaps.  The vegetation is noticeably taller and denser inside the fence as compared to outside the fence. USDA Forest Service
ID: 866
Investigating the Roles of Fire, Browse, and Canopy Gaps in the Understory of an Oak-dominated Forest

Current forests developed under conditions different from original forests, with more deer, less fire, and smaller canopy gaps. This has resulte ...

Principal Investigator : Melissa Thomas-Van Gundy

Resource Management and Use2015NRS
Photo of Spring peeper. USDA Forest Service
ID: 935
It’s the City Life for Me! Spring Peepers in Urban Areas have Lower Rates of Fungal Infection

The spring peeper (Pseudacris crucifer) is a small frog widespread throughout the eastern U.S. and Canada. A Forest Service study reports that ...

Principal Investigator : Daniel Saenz

Wildlife and Fish2015SRS
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 A bat with an attached GPS tag. Ted Weller, USDA Forest Service
ID: 815
Long-term Attachment of Miniature Data-loggers Reveal Novel Aspects of Bat Ecology

Migratory routes used by bats and their behavior during migration have long been difficult to ascertain. Data logging tags were attached to hoar ...

Principal Investigator : Ted Weller

Inventory and Monitoring2015PSW
Photo of Lime application in 1985. USDA Forest Service
ID: 760
Long-Term Effects of Forest Liming on Soil, Soil Leachate, and Foliage Chemistry in Northern Pennsylvania

In many areas of the northeastern United States and Canada, base cations have been depleted by long-term inputs of acidic deposition. Forest lim ...

Principal Investigator : Robert P. Long

Water, Air, and Soil2015NRS
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 Doors and windows remediation before and after. USDA Forest Service
ID: 855
Low-cost Urban Building Improvement Can Reduce Crime

In a study by a Forest Service scientist and her partners, Philadelphia’s “Doors-and-Windows Ordinance,” which requires repairs to abandon ...

Principal Investigator : Michelle Kondo, Ph.D.

Resource Management and Use2015NRS
Photo of A drained tundra lake with remnant pools in northwest Alaska. USDA Forest Service
ID: 825
Major Shifts in Wildlife Habitats Projected for the 21st Century in Northwest Alaska Under Changing Climates

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

Principal Investigator : Bruce G. Marcot

Resource Management and Use
Wildlife and Fish
2015PNW
Photo of Exterior walls of test huts viewed from the southeast. Lance Barta, Home Innovation Research Labs
ID: 911
Managing Moisture in Energy-efficient Wall Systems

Moisture durability is critical for design and construction of energy-efficient buildings. Field measurements of moisture characteristics for hi ...

Principal Investigator : Samuel V. Glass

Resource Management and Use2015FPL
Photo of Cover of the WUI Atlas document.
ID: 859
Maps Locate the Wildland-urban Interface Across the United States

Exciting new U.S. Forest Service research products provide visually-appealing, high-resolution maps of wildland-urban interface (WUI) areas acro ...

Principal Investigator : Cherie LeBlanc Fisher

Inventory and Monitoring
Wildland Fire and Fuels
Resource Management and Use
2015NRS
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 Field crew with the Pacific Northwest Research Station sample willow shrubs on the Pumice Plain of Mount St. Helens. Pyroclastic flows during the 1980 eruption removed all traces of the old-growth forest here, about four miles north of the volcano. USDA Forest Service
ID: 767
Mount St. Helens Plays a Central Role in the Field of Volcano Ecology

Ecological lessons and methods developed during studies on Mount St. Helens are now used to shape research and monitoring at other volcanic site ...

Principal Investigator : Charlie Crisafulli

Wildlife and Fish
Resource Management and Use
2015PNW
Photo of Forest Service scientist Sean Healey (left) in front of Beijing Forestry University with Dr. Klaus von Gadow of that institution. USDA Forest Service
ID: 769
National Estimates of China’s Forests Become More Consistent and Precise, Thanks to Forest Service Scientists

Scientist helps the Chinese National Forest Inventory document methods and conclusions of China's efforts to understand its own forests.

Principal Investigator : Sean P. Healey

Inventory and Monitoring2015RMRS
Photo of Aerial view of riparian forest buffer.??  USDA Forest Service
ID: 904
New Assessment Sheds Light on Building Resilient Landscapes from Forests to Farms

Projected changes in climate patterns and weather variability pose substantial hazards for U.S. agricultural systems and the resource base.

Principal Investigator : Gary Bentrup

Water, Air, and Soil2015WO
Photo of Tree rings or growth increments as in this block or red oak provide a dynamic record of internal biology and environmental change (upper image). High-resolution chemical analysis of this poplar show within-year and annual trends in calcium (white line) and chlorine (green line) lower image) superimposed of an X-ray showing within-year changes in wood density. USDA Forest Service
ID: 883
New Guide for Environmental Forensics

Forensic investigation of chemical spills is aided by a new international guide for tree-ring chemistry. Northern Research Station scientists ar ...

Principal Investigator : Kevin T. Smith

Water, Air, and Soil2015NRS
Photo of Book Cover
ID: 844
New Guide to High-risk Asian Relatives of Emerald Ash Borer

The emerald ash borer (EAB) is native to Asia but established populations were found in Michigan and nearby Ontario in 2002. Since then, EAB has ...

Principal Investigator : Robert A. Haack

Invasive Species2015NRS
Photo of The tundra of interior Alaska hosts an incredible diversity of moss and lichen species that sequester carbon and regulate the water table, among other ecosystem services. USDA Forest Service.
ID: 762
New Method Monitors Species Groups and Estimates Carbon Storage in Moss and Lichen Layers in Boreal and Temperate Forests

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

Principal Investigator : Sarah Jovan, Dr

Inventory and Monitoring2015PNW
Photo of An Asian long-horned beetle larva, and the damage it causes inside the maple tree. USDA Forest Service
ID: 824
New Online Resource on Asian Longhorned-Beetle

A new, open-access article in the Journal of Integrated Pest Management provides a comprehensive overview written in plain language for managers ...

Principal Investigator : Melody Keena

Invasive Species2015NRS
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 Whole-tree harvest in 1935. Bartlett Experimental Forest, Bartlett, NH.  USDA Forest Service
ID: 903
No Signifigant Losses of Stand Productivity From Whole-tree Harvesting and Clearcutting in New England Forests

Silviculturalists have been concerned over nutrient losses from clearcutting and, more recently, whole-tree harvesting in New England since the ...

Principal Investigator : Mariko Yamasaki

Resource Management and Use2015NRS
Photo of Fourth generation farmer Chris Pawelski’s onion fields were destroyed by flooding from Hurricane Irene in 2011. USDA
ID: 872
Northeast Climate Vulnerabilities

The USDA Northeast Regional Climate Hub is working to help farmers and forest land owners adapt to a changing climate. Forest Service scientists ...

Principal Investigator : David Hollinger

Water, Air, and Soil2015NRS
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 D. Jean Lodge measuring the extent of mushroom mycelia on the forest floor three months after a simulated hurricane treatment in which limbs and leaves were trimmed from the canopy and deposited on the forest floor in the Luquillo Experimental Forest of Puerto Rico. Josh Brown, University of New Hampshire
ID: 909
Opening the Forest Canopy Slows Leaf Decomposition and Nutrient Cycling

Forest canopies are opened by thinning, logging operations, and storms. Results of a simulated hurricane experiment showed canopy opening had th ...

Principal Investigator : D. Jean Lodge

Water, Air, and Soil2015FPL
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 field tour of potential collaborative projects on the Sweet Home Ranger District, Willamette National Forest. Emily Jane Davis, Oregon State University
ID: 788
Oregon Forest Collaboratives: What Are the Similarities and Differences Among Them?

Collaboration is a currently a popular approach to resolving conflict around national forest management, particularly in regard to forest health ...

Principal Investigator : Lee K. Cerveny

Resource Management and Use2015PNW
Photo of At a farmers' market in Carnation, Wash., members of the public identify some of their favorite places for outdoor recreation. USDA Forest Service
ID: 787
Outdoor Recreation Study Maps the Places People Love

Going to the people: Shoppers at farmers’ markets in King County, Wash., shared information about their favorite places for outdoor recreation ...

Principal Investigator : Lee K. Cerveny

Outdoor Recreation2015PNW
Photo of Frank Lake showing Ukonom Hotshots Crew the desired fire scars on stump sample; Jeff Crawford and Scott Mensing extracting lake sediment core for pollen and charcoal analysis. USDA Forest Service
ID: 822
Paleoclimate Fire History Study Reveals Human Affects to Fire Regime Differs Than Expected Climate on Western Klamath Vegetation.

Forest Service scientists examined low-elevation lakes to determine if American Indian and early American forest management could be detected us ...

Principal Investigator : Frank K. Lake

Wildland Fire and Fuels2015PSW
Photo of Reconstructed pattern of spread in Worcester. USDA Forest Service
ID: 861
Patterns and Probabilities of Spread Highlight Hot Spots in Asian Longhorned Beetle Infestations

A Forest Service scientist in collaboration with the Animal Plant Health Inspection Service is accelerating the fight against the Asian longhorn ...

Principal Investigator : R. Talbot Trotter, III

Invasive Species
Resource Management and Use
2015NRS
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 A simulated forest canopy opening in the Luquillo Experimental Forest to mimic hurricane disturbance and investigate changes in microclimate, biota, and ecosystem processes. Aaron B. Shiels, National Wildlife Research Center; USDA Animal and Plant Health Inspection Service
ID: 800
Post-hurricane Canopy Openings Influence Ecosystem Processes in a Tropical Rainforest

Forest Service researchers collaborated with external scientists to examine the effects of hurricane disturbance on tropical forest ecosystems. ...

Principal Investigator : Grizelle Gonzalez

Resource Management and Use
Inventory and Monitoring
Invasive Species
Water, Air, and Soil
Wildland Fire and Fuels
2015IITF
Photo of A burned stand that has not been salvaged logged. USDA Forest Service
ID: 790
Postfire Logging Reduces Future Surface Woody Fuels in Dry Coniferous Forests

Severe wildfires create pulses of dead trees that influence future fuel loads, fire behavior, and fire effects as they decay and deposit surface ...

Principal Investigator : David W. Peterson

Wildland Fire and Fuels
Resource Management and Use
2015PNW
Photo of Chart of percent increase in number of taps estimated for Vermont, Wisconsin, and Kentucky at three dates (2040, 2070, 2100) and for two scenarios of climate change to maintain current production levels (PCM B1 - mild, and Hadley A1FI - harsh). Also presented is estimated added costs for taps, at $6 per tap. USDA Forest Service
ID: 805
Potential Changes Expected in Sugar Maple Syrup Production

Scientists expect climate change to decrease the quantity of maple syrup produced per tap, especially in locations more peripheral in the curren ...

Principal Investigator : Louis Iverson

Resource Management and Use
Water, Air, and Soil
2015NRS
Photo of Sweetgum plantation at Oak Ridge National Laboratory Free-Air CO2 Enrichment study site. Jeffrey M. Warren, Oak Ridge National Laboratory
ID: 900
Potential Impacts of Climate Change on Tree Bark

Evidence shows changes in bark chemistry from an elevated carbon dioxide treatment applied to sweetgum trees.

Principal Investigator : Thomas L. Eberhardt

Resource Management and Use2015FPL
Photo of The elevation gradient in northeastern Puerto Rico, from coastal lowlands to the tropical mountain peaks of Luquillo Experimental Forest. USDA Forest Service
ID: 766
Precipitation and Temperature Trends Along an Elevation Gradient in Northeastern Puerto Rico Examined

Forest Service researchers studied climatic trends along an elevation gradient in northeastern Puerto Rico. Study results showed that differing ...

Principal Investigator : Ashley Van Beusekom

Water, Air, and Soil
Inventory and Monitoring
2015IITF
Photo of Asian earthworm (Amynthas agrestis).  This species is invading eastern deciduous forests across North America. USDAForest Service
ID: 906
Prescribed Fire to Stem the Tide of Earthworm Invasion

Asian earthworms are currently invading eastern deciduous forests from Georgia to Vermont. Because these earthworms eat leaf litter in the fores ...

Principal Investigator : Mac Callaham

Invasive Species2015SRS
Photo of Cover of the PRESTO User Guide.
ID: 812
PRESTO: A Web-based Tool for Estimating Carbon in Wood Products

Carbon is stored not only in living trees but also in products made from the wood of harvested trees. PRESTO, an easy-to-use web-based tool for ...

Principal Investigator : Coeli Hoover

Inventory and Monitoring
Resource Management and Use
Water, Air, and Soil
2015NRS
Photo of The structure model of the new glycoside hydrolase family 30-8 (GH30-8) xylanase (green) overlaid with the previously determined protein structure of a canonical GH30-8 xylanase (blue) indicating that although the new xylanase is functionally unique, it does not structurally differ from the canonical GH30-8 xylanases (top). An alignment showing the specific region of primary amino acid sequence containing the altered sequence (red boxes) attributed to the observed difference in mode of action of this new enzyme against its xylan substrate. USDA Forest Service
ID: 893
Protein Structure and Biochemical Characterization of a Novel Functioning Xylanase

Scientists identified and characterized a xylanase with unique function that may have applications in processing of woody biomass substrate.

Principal Investigator : Franz St. John

Resource Management and Use2015FPL
Photo of Forest management on private land tends to decrease as proximity to residential development increases. USDA Forest Service.
ID: 785
Proximity and Amount of Development Affects Forest Structure, Invasive Plant Abundance, and Probability of Management of Remaining Forested Lands

Rural residential development in forests of Oregon and Washington continues to be a key driver of land use change. With greater housing density ...

Principal Investigator : Pacific Northwest Research Station

Resource Management and Use2015PNW
Photo of Trees burned along a hillside at the edge of the 2011 Wallow Fire. Sarah McCaffrey, USDA Forest Service.
ID: 863
Psychological Impacts of Experiencing a Wildfire

New research by Forest Service scientists is examining how wildfire impacts to the landscape affect the post-fire psychological health of people ...

Principal Investigator : Sarah M. McCaffrey

Resource Management and Use
Wildland Fire and Fuels
2015NRS
Photo of Location of study installations across the United States and Canada. USDA Forest Service
ID: 821
Pushing the Limits of Forest Resilience

Intense demand for forest resources has been a fact of life in the United States, from the early days of western expansion to today's rapid pace ...

Principal Investigator : Matt D. Busse

Water, Air, and Soil2015PSW
Photo of The Enviva Corporation wood pellet mill, Northampton, NC. The South is now the largest wood pellet producing region in the U.S., and this industry is forecast to continue to expand over the next few years. Nearly all (99 percent) of these pellets are being exported to the European Union to burn for electricity.  USDA Forest Service
ID: 925
Renewable Energy Policies in the European Union Influencing Timber Markets and Forests in the Southern U.S.

Forest Service scientists Karen Abt and Ken Skog, with their university collaborators, evaluated the status and outlook of the export of wood pe ...

Principal Investigator : Karen Lee Abt

Resource Management and Use2015SRS
Photo of More than 70 years of uneven-aged silviculture practices in the Farm Forestry Forties of the Crossett Experimental Forest in Arkansas have produced a complex stand with many different age classes capable of responding differently to subtle variations in harvest treatments. USDA Forest Service
ID: 931
Research Reveals Age-based Lessons from Decades of Uneven-aged Harvests

Seventy-two years of uneven-aged silviculture has had a profound influence on the development of two pine-dominated stands on the Crossett Exper ...

Principal Investigator : Don C. Bragg

Resource Management and Use2015SRS
Photo of Blackbrush plant community in the Arches National Park, Utah. USDA forest Service
ID: 918
Research to Guide Restoration in Changing Climates

Understanding how climate affects species and populations of plants are critical for contemporary ecosystem management and future planning.

Principal Investigator : Bryce A. Richardson

Resource Management and Use2015RMRS
Photo of Rehabilitation seeding after a wildfire to restore a Wyoming big sagebrush community. Chad Boyd, USDA Agricultural Research Service
ID: 786
Resilience Science is Key to Effective Restoration of Imperiled Sagebrush Ecosystems

Sagebrush ecosystems and the more than 350 species that rely on them are highly imperiled due to persistent threats such as invasive annual gras ...

Principal Investigator : Jeanne C. Chambers

Invasive Species2015RMRS
Photo of Ferruginous hawk instrumented with a solar GPS transmitter. USDA Forest Service
ID: 834
Response of Nesting Ferruginous Hawks to Energy Development

Over the past decade and a half, raptors nesting in prairie ecosystems have been subjected to sharp increases in nearby energy development activ ...

Principal Investigator : John R. Squires

Resource Management and Use
Wildlife and Fish
2015RMRS
Photo of A western pond turtle at the San Joaquin Experimental Range in California. USDA Forest Service
ID: 794
Response of Western Pond Turtles to Drought

Western pond turtles (Actinemys marmorata) are declining throughout most of their range. The population studied at the San Joaquin Experimental ...

Principal Investigator : Kathryn L. Purcell

Invasive Species
Wildlife and Fish
2015PSW
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 Top-view of the flame zone of a spreading fire in the laboratory showing pocket structures resulting from buoyant-flow instabilities. USDA Forest Service
ID: 816
Role of Buoyant Flame Dynamics in Wildfire Spread

The phrase “spreads like wildfire” is well-known but until recent discoveries through experiments, it wasn’t well-known how wildfires actu ...

Principal Investigator : Mark A. Finney

Wildland Fire and Fuels2015RMRS
Photo of Top hardwood lumber producers and exporters 1995 and 2013.
ID: 876
Role of the United States in Changing Worldwide Hardwood Lumber Production and Markets

Hardwood markets are increasingly global, and understanding the role U.S. hardwood lumber plays in worldwide consumption and trade is valuable t ...

Principal Investigator : William Luppold

Resource Management and Use2015NRS
Photo of The image depicts winter mortality of big sagebrush not adapted to colder areas of the species distribution. USDA Forest Service
ID: 774
Science-based Guidelines for Restoration and Conservation of Sagebrush Ecosystems

Helping to make prudent, research-based decisions to improve shrublands in the Interior West.

Principal Investigator : Bryce A. Richardson

Resource Management and Use
Invasive Species
2015RMRS
Photo of A smoke monitor collects data during a prescribed on Deschutes National Forest. USDA Forest Service
ID: 776
Scientists Acquire Better Knowledge of Smoke Transport During Prescribed Burning in the Wildland-urban Interface of Bend, Oregon

Smoke from prescribed fires in the Deschutes National Forest has negatively affected the city of Bend, Oregon, nine times over the past two year ...

Principal Investigator : Susan O'Neill

Wildland Fire and Fuels
Water, Air, and Soil
2015PNW
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 M. Vaillant

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

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

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

Wildlife and Fish
Resource Management and Use
2015PNW
Photo of Alpine meadow from the top of Brown's Peak in the Snowy Range of Southeast Wyoming with Medicine Bow Peak in the background.  There are 127 known alpine plant species on these two peaks. USDA Forest Service
ID: 768
Scientists Find 25 Southern Rockies Alpine Plant Species Unique to the Region

Forest Service scientists and their collaborators have identified an extensive list of alpine plants in the Southern Rockies and within this lis ...

Principal Investigator : James F. Fowler

Inventory and Monitoring2015RMRS
Photo of Flare up during the 2011 Los Conchas Fire on the Santa Fe National Forest. USDA Forest Service
ID: 814
Scientists Quantify Climate Change Vulnerability of Wildlife in Southwestern United States Riparian Habitats

Forest Service scientists have developed a coupled approach to estimate the interactive impacts of climate change and fire on species that resid ...

Principal Investigator : Megan M. Friggens

Water, Air, and Soil
Wildlife and Fish
2015RMRS
Photo of A marbled murrelet. USDA Forest Service
ID: 838
Scientists Study Marbled Murrelet Populations and Nesting Habitat Under the Northwest Forest Plan

The marbled murrelet is listed as threatened under the U.S. Endangered Species Act. Conservation of the murrelet is an objective of the Northwe ...

Principal Investigator : Martin G. Raphael

Wildlife and Fish2015PNW
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 Cleaning-and-greening at Wister Street lot.  Robert Grossmann, Pennsylvania Horticultural Society
ID: 856
Seeing a Greened Vacant Lot May Lower Stress

Studies by Forest Service scientists showed that walking adjacent to greened vacant lots decreased participants' heart rate significantly more t ...

Principal Investigator : Michelle Kondo, Ph.D.

Resource Management and Use2015NRS
Photo of A prescribed burn on the Okanogan-Wenatchee National Forest. USDA Forest Service
ID: 839
Seven Core Principles Can Guide Restoration of Fire-prone Inland Pacific Landscapes

More than a century of forest and fire management of Inland Pacific landscapes has transformed their successional and disturbance dynamics. Curr ...

Principal Investigator : Paul F. Hessburg, Sr.

Wildland Fire and Fuels2015PNW
Photo of An oak savannah in McHenry county. USDA Forest Service
ID: 869
Shared Principles of Ecological Restoration

Restoration is growing in application, and Forest Service scientists found a set of guiding principles in effect throughout the Chicago Wilderne ...

Principal Investigator : Lynne M. Westphal

Invasive Species
Outdoor Recreation
Resource Management and Use
2015NRS
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 The mean proportion of grade 1 butt logs for the diameter-limit, single tree selection, and partial cutting harvests as estimated at 15 year fixed intervals. USDA Forest Service
ID: 877
Silvicultural Prescriptions Affect Hardwood Tree Quality Over Five Decades of Management

Analysis of 50-year records of harvests on the Fernow Experimental Forest in west Virginia by Forest Service scientists demonstrates that diamet ...

Principal Investigator : John Brown

Resource Management and Use2015NRS
Photo of Book cover
ID: 880
Simulation Modeling of Forest Landscape Disturbances

Simulation models of landscape disturbances have proliferated and matured. A Forest Service scientist co-edited the book “Simulation Modeling ...

Principal Investigator : Brian R. Sturtevant

Resource Management and Use2015NRS
Photo of Liberia is a densely populated nation in West Africa. As a post-conflict nation, it is susceptible to disease epidemics, as well as to climate and environmental stressors. USDA Forest Service
ID: 902
Social Vulnerability and the Ebola Virus Outbreak in Liberia

Social vulnerability indices used in climate change and natural hazards research can also be used in other contexts, such as disease outbreaks. ...

Principal Investigator : John A. Stanturf

Resource Management and Use2015SRS
Photo of Forest Service researchers Andy Scott and Rick Stagg sample soil bulk density in Texas. USDA Forest Service
ID: 930
Soil Takes on a New Emphasis in Forest Ecosystems

Forest soils produce tree biomass, high-quality water for consumption and aquatic habitat, sequester carbon, and provide recreation opportunitie ...

Principal Investigator : Andy Scott

Resource Management and Use2015SRS
Photo of Coyote pups in a log den, New York. Robin Holevinski, SUNY College of Environmental Science and Forestry
ID: 885
Spatial Analysis Differentiates New York Coyotes Between Two Colonizing Fronts

Coyotes are widely distributed, highly mobile predators that exhibit regional differences in habitat affinities, prey specialization, social agg ...

Principal Investigator : Paula E. Marquardt

Wildlife and Fish2015NRS
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 historic landscape of Missouri was more diverse than it is today.  In the past, a mosaic of oak/pine savannas, woodlands and forests intermingled across the state (top panel, left to right), but today the landscape is dominated by forests in the Ozark Highlands (lower panel) or agriculture and riparian forests in the Plains region of northern and western Missouri (photographs by Dan Dey and Paul Nelson, U.S. Forest Service). Brice Hanberry, University of Missouri
ID: 841
Study Guides Restoration of Natural Communities in Missouri

Land use over the last 200 years has decreased diversity, and increased homogeneity, of the vegetative landscape of Missouri. This trend has put ...

Principal Investigator : Daniel C. Dey, Dr.

Resource Management and Use
Wildland Fire and Fuels
Wildlife and Fish
Inventory and Monitoring
2015NRS
Photo of A butternut tree in southern Wisconsin with symptoms of butternut canker disease. This tree will die soon. Although other butternut trees in the same stand are relatively healthy, their resistance is not genetic but based on favorable site conditions. Nicholas LaBonte, Purdue University
ID: 804
Surviving Butternut Trees Benefit From Better Sites Rather than Disease Resistance

Butternut trees are rapidly disappearing because of butternut canker disease. Rare healthy trees appeared to hold hope for resistance to buttern ...

Principal Investigator : Keith Woeste

Resource Management and Use2015NRS
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 Forest Service scientist D. Jean Lodge (left) and collaborator Urmas Koljalg from Estonia after collecting soil near a large tropical tree that forms beneficial root associations with mushroom and other basidiomycete fungi in the El Verde Research Area of the Luquillo Experimental Forest, Puerto Rico. Urmas Koljalg, Natural History Museum of Tartu, Tartu, Estonia
ID: 891
Temperate and Boreal Fungi Less Sensitive to Climate Change than Tropical Fungi

Beneficial fungi that help tree roots obtain nutrients from soil are less sensitive to climate in temperate and boreal forests than in tropical ...

Principal Investigator : D. Jean Lodge

Invasive Species2015FPL
Photo of A view of Baltimore from the old American Brewery Building Morgan Grove. USDA Forest Service
ID: 842
The Baltimore School of Urban Ecology: Space, Scale, and Time for the Study of Cities

The Baltimore School of Urban Ecology is a landmark publication based on more than 20 years of Forest Service research and applications in Balti ...

Principal Investigator : Northern Research Station

Resource Management and Use2015NRS
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 Tree regeneration 5 years after herciide treatment and shelterwood harvest. USDA Forest Service.
ID: 870
The Devil is in the Details for Regeneration Success in Mixed-oak Forests

To improve oak regeneration, Forest Service scientists are studying shelterwood harvest with herbicide and prescribed fire treatments. Although ...

Principal Investigator : Todd Hutchinson

Resource Management and Use2015NRS
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 Rocky Mountain fisher. USDA Forest Service
ID: 829
The Fisher: Secret Phantom of Mature Forests

Fishers are a rare and secretive carnivore in the Rocky Mountains and along the West Coast. They are currently being considered for listing unde ...

Principal Investigator : Rocky Mountain Research Station

Wildlife and Fish2015RMRS
Photo of Cluster of little brown bats roosting in cave. Tim Krynak, U.S. Fish and Wildlife Service
ID: 927
The Forest Service Publishes a Plan for the North American Bat Monitoring Program

A new Forest Service report provides detailed guidelines for participating in the plan, an international multiagency program created to provide ...

Principal Investigator : Susan C. Loeb

Wildlife and Fish2015SRS
Photo of Outputs from the Landscape Treatment Designer showing planning area priorities for treating ecological departure (A) versus wildfire transmission to the urban interface (B) for the Wallowa-Whitman National Forest in northeastern Oregon. The program can quickly prioritize planning areas and perform trade-off analysis between alternative restoration scenarios. USDA Forest Service
ID: 827
The Landscape Treatment Designer Leads to Optimal Restoration Scenarios

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

Principal Investigator : Alan Ager

Resource Management and Use
Wildland Fire and Fuels
2015PNW
Photo of Shannon’s Diversity Index of a forest’s wood specific gravity (i.e., wood density), which serves as an indicator of various forest ecosystem processes such as selfthinning. USDA Forest Service
ID: 871
The Next Generation of Forest Analysis: Integrating Tree Functional Traits With the “Big Data” of Forest Inventories

Over recent years, plant traits such as shade tolerance or wood density have emerged as valuable variables in interpreting plant population dyna ...

Principal Investigator : Christopher W. Woodall

Inventory and Monitoring2015NRS
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 Hardwood parts for cabinet doors being manufactured in a U.S. woodworking facility. Urs Buehlmann, Virginia Polytechnic Institute and State University
ID: 867
To What Do Woodworking Firms Attribute Success? Enhancing Technology Transfer to the U.S. Woodworking Industry

Recent research has shown that woodworking firms in the United States attribute their success to actions they have taken and their lack of succe ...

Principal Investigator : Matthew Bumgardner

Resource Management and Use2015NRS
Photo of Million Trees NYC Volunteers in Action City of New York / NYC Parks - NYC Parks
ID: 845
Tree Planting Programs a Gateway to Strong Civic Engagement

This study examined how tree planting projects can make an important difference to the social fabric of dense urban communities. Qualitative int ...

Principal Investigator : Erika Svendsen

Resource Management and Use
Outdoor Recreation
2015NRS
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 Simplified schematic representation of a cross-flow energy recovery ventilator core that allows transfer of heat and moisture to incoming supply air from exhaust air. This core helps maintain indoor conditions while bringing in fresh outdoor air. USDA Forest Service
ID: 897
Understanding Impacts of Ventilation on Moisture Levels in Homes

“Build tight, ventilate right” is good for reducing energy use in homes. Ventilation can also change the moisture levels in homes, affectin ...

Principal Investigator : Charles R. Boardman

Resource Management and Use2015FPL
Photo of Illustration of moisture sources and sinks in a typical home. USDA Forest Service
ID: 898
Understanding Soil Gas Entry Into Homes

Your home sits on the ground, and hence is influenced by soil gas that can add both moisture and radon to your indoor air. A Forest Service sci ...

Principal Investigator : Charles R. Boardman

Resource Management and Use2015FPL
Photo of Period of high fire-induced atmospheric turbulence observed during a prescribed fire conducted in the New Jersey Pine Barrens on 20 March 2011. USDA Forest Service
ID: 858
Unraveling the Mysteries of Fire-induced Weather

Observational data and model simulations have been used by Forest Service scientists and their partners to examine turbulent circulations in the ...

Principal Investigator : Warren E. Heilman

Wildland Fire and Fuels2015NRS
Photo of Limber pine seedlings are migrating upslope in the White Mountains, California, but at only a few locations. Such sites are characterized by the presence of ancient bristlecone pines (Pinus longaeva), which grew there in millennia past under favorable climates, but not at present. Limber pines at this location recruited during the period 1963-2000. White Mountain Peak (14,252'), California's third highest mountain, is in the background. USDA Forest Service
ID: 819
Up, down, and Aaound: High-elevation Pines Respond to Warming in More Ways Than One

Under warming climates, models predict that high-elevation species will migrate up mountain slopes tracking cool conditions. With nowhere to go ...

Principal Investigator : Constance I. Millar

Resource Management and Use2015PSW
Photo of Village Of Riverside, one of 10 communities participating in the pilot effort in the Chicago Wilderness region. Michael Collins, Village of Riverside
ID: 852
Urban Forestry Climate Change Response Framework Pilot Launched

Forest Service scientists are working to incorporate climate change considerations into urban forest management in the Chicago area. Recently, t ...

Principal Investigator : Leslie Brandt

Resource Management and Use2015NRS
Photo of Completed efficacy trial plots on the Chipola Experimental Forest. USDA Forest Service
ID: 889
USFS Termiticide Report for 2014

The most recent efficacy data for termiticides currently on the market were reported as part of the USDA Forest Service Termiticide Testing Prog ...

Principal Investigator : Thomas Guy Shelton

Invasive Species2015FPL
Photo of A bundle of hemlock foliage used to release Laricobious predator beetles into the forest canopy to control hemlock woolly adelgid. USDA Forest Service
ID: 928
Using Predators and Chemicals together to Protect Hemlock Trees.

A non-native insect, the hemlock woolly adelgid, is eliminating an ecologically important tree species, eastern hemlock, from southern Appalachi ...

Principal Investigator : Albert (Bud) E. Mayfield, III

Invasive Species2015SRS
Photo of New model of wood cellulose in never-dried and dried states. Umesh Agarwal,  USDA Forest Service.
ID: 913
Using Raman Spectroscopy to Analyze Wood, Cellulose-Nanomaterials, and Their Composites

Raman spectroscopy provides information based on molecular vibrations and is well-suited to analyze wood and cellulose-nanomaterials. Using a r ...

Principal Investigator : Umesh P. Agarwal

Resource Management and Use2015FPL
Photo of DAME crystals on a smoldering mesquite tree in Alamo Canyon, ArizLaurence A. J. Garvie, Arizona State University
ID: 890
Wood Decay Fungus Forms Toxic Organohalogen Crystals in Mesquite

A Forest Service scientist identified toxic organohalogen crystals formed by fungi in decaying mesquite. Charcoal production and forest fires i ...

Principal Investigator : Jessie A. Glaeser

Water, Air, and Soil
Wildland Fire and Fuels
Invasive Species
Resource Management and Use
2015FPL
Photo of Golden-winged warbler in young forest habitat. Laura Erickson, Cornell University
ID: 879
Young Forest Habitat Health Studied in Northeast and Midwest

Young growth is becoming the new old growth! Early succession forests in the U.S. Northeast and Midwest now account for only 8 percent of total ...

Principal Investigator : William McWilliams

Inventory and Monitoring2015NRS
Photo of Phenocam and Antenna on top of the pierce laboratory at the Hubbard Brook Experimental Forest, NH. USDA Forest Service
ID: 881
“Smart Forests” Digital Environmental Sensors and Telecommunications Take Research to New Levels

Scientific breakthroughs of the 21st century will be powered by tools that help researchers collect and manipulate massive datasets, visualize t ...

Principal Investigator : Lindsey Rustad

Inventory and Monitoring
Resource Management and Use
Water, Air, and Soil
Wildland Fire and Fuels
Wildlife and Fish
2015NRS
Photo of A map showing the boundaries of Pennsylvania, New Jersey, New York, Massachusetts, Connecticut, Rhode Island, Vermont, New Hampshire, and Maine.  The outlines of four national forests are also included.  The results of calculating the percentage of pyrophilic witness tree species from town-level surveys are displayed as a color gradient from red to green, with red indicating a high percentage of pyrophilic species and green a low percentage.  The red starts in the south and grades to green further north.  Also displayed is an approximation of the tension zone line between generally wetter forests to the north and drier forests to the south. USDA Forest Service
ID: 875
“Witness Trees” as Indicators of Past Fire

In ecosystem restoration, the question of “What was it like back then?” is often difficult to answer. Understanding and mapping forest compo ...

Principal Investigator : Melissa Thomas-Van Gundy

Resource Management and Use2015NRS