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

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

Principal Investigator : Cynthia Huebner

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

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

Principal Investigator : Leah Bauer

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

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

Principal Investigator : Mary Beth Adams

Water, Air, and Soil2014NRS
Photo of Asian longhorned beetle adult on Norway Maple leaf.
ID: 1192
Asian longhorned beetle has broad climate adaptability and invasion potential

The Asian longhorned beetle has flexibility in its life history, putting it in a good position to successfully invade a broad range of locations ...

Principal Investigator : Melody Keena

Invasive Species2017NRS
Photo of
ID: 1234
Biocontrol of the Emerald Ash Borer pest improves outlook for ash trees in North America

The invasion of forests by the emerald ash borer (EAB) has resulted in the death of hundreds of millions of ash trees throughout much of the U.S ...

Principal Investigator : Leah Bauer

Invasive Species2017NRS
Photo of Forest Service technician Tina Ciaramitaro heading out to set up Fluon-coated multiple funnel traps to capture wood boring beetles. Therese Poland, USDA Forest Service
ID: 474
Building a Better Bug Trap

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

Principal Investigator : Therese M. Poland

Inventory and Monitoring2013NRS
Photo of High-quality stream on Tioga State Forest, Penn., located in the headwaters of the Chesapeake Bay.  Decline of eastern hemlock from hemlock woolly adelgid infestations, may affect the hydrology of the local watershed.
ID: 1218
Collaboration seeks to preserve Chesapeake Bay Watershed health in the face of hemlock decline

Few studies have examined how insect outbreaks affect landscape-level hydrologic processes. Anticipating hydrologic impacts resulting from the d ...

Principal Investigator : Mary Ann Fajvan

Invasive Species2017NRS
Photo of Comparing number of non-native and native species. Sandy Liebhold, U.S. Department of Agriculture Forest Service.
ID: 1178
Comparison of Native and Non-native Insect Communities Reflects Importance of Pathways

Insect species are accidentally moved around the world and often cause considerable damage when established. An analysis of insect invasions wor ...

Principal Investigator : Andrew M. Liebhold

Resource Management and Use2016NRS
Photo of Emerald ash borer larva feeding on insecticide-treated artificial diet.  Tina Ciarmitaro, U.S. Department of Agriculture Forest Service.
ID: 1020
Control of Emerald Ash Borer with Systemic Insecticides

Several systemic insecticide products were evaluated to determine toxicity to emerald ash borer (EAB) adults and larvae and were found to provid ...

Principal Investigator : Therese M. Poland

Invasive Species2016NRS
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 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 Rubus, a plant spcies found in forests which responds to elevated nitrogen when there is sufficient light. This response can change the herb layer diversity in eastern forests. Christopher A. Walter, West Virgina University.
ID: 1170
Elevated Nitrogen Deposition Changes Herb Layer Diversity

Adding nitrogen to a forest stand decreased the diversity of the herb layer over time by increasing the amount of Rubus spp. (blackberry), which ...

Principal Investigator : Mary Beth Adams

Water, Air, and Soil2016NRS
Photo of An introduced natural enemy of EAB emerging from the trunk of a young ash tree regenerating at Michigan study site. Leah Bauer, U.S. Department of Agriculture Forest Service.
ID: 1011
Emerald Ash Borer Biocontrol Benefits the Health of Young Ash Trees

Forest Service research results from a multi-year study of ash trees in Michigan forests found that an introduced natural enemy of the emerald a ...

Principal Investigator : Leah Bauer

Invasive Species2016NRS
Photo of Oobius female depositing eggs inside an ash tree which may infect emerald ash borer larvae. Forest Service
ID: 42
Emerald Ash Borer Natural Enemies Becoming Established in the United States

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

Principal Investigator : Leah Bauer

Invasive Species2012NRS
Photo of Male Asian longhorned beetle choosing the branch with the sex trail pheromone Melody Keena, USDA Forest Service
ID: 605
Female Asian Longhorned Beetles Lure Mates With a Trail of Sex Pheromone

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

Principal Investigator : Melody Keena

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

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

Principal Investigator : Robert A. Haack

Invasive Species2014NRS
Photo of 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 Example of regionally (Ridge and Valley) defined species Gaultheria procumbens. Cynthia D. Huebner, U.S. Department of Agriculture Forest Service.
ID: 969
Forests Characterized More by Regionally Defined Understory Species are Less Vulnerable to Invasion

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

Principal Investigator : Cynthia Huebner

Invasive Species
Resource Management and Use
2016NRS
Photo of 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 How much forest biomass to leave behind or remove Shawn Grushesky, West Virginia University Appalachian Hardwood Center
ID: 55
Guidelines for Forest Biomass Utilization

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

Principal Investigator : Mary Beth Adams

Water, Air, and Soil
Resource Management and Use
2012NRS
Photo of 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 Asian longhorned beetle male on a poplar leaf.
ID: 1195
Longhorned beetle biology, rearing and management comprehensively reviewed

Forest Service scientists contributed to a new book that represents the first comprehensive treatment of all aspects of cerambycid beetle biolog ...

Principal Investigator : Robert A. Haack

Invasive Species2017NRS
Photo of Debarking of some declining hybrid poplars revealed numerous A. fleischeri larvae and their extensive feeding galleries under the bark. Leah S. Bauer, USDA Forest Service
ID: 608
Mitigation of Invasive and High-Risk Wood-Boring Insects in China

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

Principal Investigator : Leah Bauer

Invasive Species
Resource Management and Use
2014NRS
Photo of Tetrastichus planipennisi, a larval parasitoid of emerald ash borer (EAB), drilling into the tree trunk to lay eggs in an EAB larva. Leah Bauer, USDA Forest Service
ID: 470
Natural Enemies of Emerald Ash Borer are Fighting the Good Fight in North America

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

Principal Investigator : Leah Bauer

Invasive Species2013NRS
Photo of 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 Adult Asian longhorned beetle newly emerged from an artificial pupal cell with the exit hole showing. Melody Keena, USDA Forest Service
ID: 475
New Information Will Help Eradicate Asian Longhorned Beetles

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

Principal Investigator : Melody Keena

Invasive Species2013NRS
Photo of Water in a stream on the Fernow Experimental Forest.
ID: 1439
New Methods, Old Studies Reveal Source of Carbon in Lakes and Streams

Over recent decades, dissolved organic carbon concentrations (DOC) in lakes and streams have increased through the northern hemisphere, leading ...

Principal Investigator : Mary Beth Adams

Water, Air, and Soil
Wildlife and Fish
2018NRS
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 Winter moths attracted to a porch light during an outbreak in Manomet, MA. Jeff Boettner, University of Massachusetts.
ID: 1176
Non-native Insect Hybridization Provides Opportunity for Research

A recent outbreak in New England of the non-native winter moth from Europe provides an unprecedented opportunity to examine the effects of hybri ...

Principal Investigator : Nathan P. Havill

Invasive Species2016NRS
Photo of Asian gypsy moth larva defoliating Douglas fir. Melody A. Keena, U.S. Department of Agriculuture Forest Service.
ID: 1171
Not all Asian Gypsy Moths Pose the Same Threat

Asian gypsy moths vary greatly in key biological and behavioral traits. Knowing the origin and traits associated with the source population of i ...

Principal Investigator : Melody Keena

Invasive Species2016NRS
Photo of Forest Service technician Tina Ciaramitaro and student Tom Baweja collect Emerald Ash Borers from a double-decker trap. Therese Poland, USDA Forest Service.
ID: 633
Optimizing Trap Designs for Emerald Ash Borer

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

Principal Investigator : Therese M. Poland

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

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

Principal Investigator : Mary Beth Adams

Water, Air, and Soil2013NRS
Photo of 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 The surface of the graph shows the probability of finding the Asian longhorned beetle within the infested area around Worcester, MA. Risk is estimated on a hectare scale. R. Talbot Trotter, U.S. Department of Agriculture Forest Service.
ID: 1061
Precision Targeting of Surveys to Eradicate the Asian Longhorned Beetle

Using data collected by the U.S. Department of Agriculture Animal and Plant Health Inspection Service’s Asian Longhorned Beetle Eradication Pr ...

Principal Investigator : R. Talbot Trotter, III

Invasive Species2016NRS
Photo of
ID: 1215
Predicting pest invasions

During the last 150 years, hundreds of forest insects have been accidently introduced to the U.S., and many of these have caused substantial dam ...

Principal Investigator : Andrew M. Liebhold

Invasive Species2017NRS
Photo of
ID: 1212
Re-establishing pollinator habitat on mined lands using the forestry reclamation approach

Many pollinator species are threatened worldwide for many reasons, including habitat loss. In Appalachia, native forests serve as critical polli ...

Principal Investigator : Mary Beth Adams

 2017NRS
Photo of Tom and Tina Tossing a Log in the River. Therese Poland, Forest Service
ID: 316
Reducing Negative Cultural Impacts of Emerald Ash Borer: Saving Black Ash Wood for Native American Basketmakers

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

Principal Investigator : Therese M. Poland

Invasive Species2011NRS
Photo of Ailanthus stems overtopping regeneration in shelterwood cut stands in southeast Pennsylvania on private land. LeDoux, Chris, USDA Forest Service
ID: 469
Scientist Proposes Best Management Practices to Protect Forests from Invasive Species

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

Principal Investigator : Chris B. LeDoux

Invasive Species2013NRS
Photo of 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 A silver fly on eastern hemlock infested with hemlock woolly adelgid.
ID: 1240
Silver flies show promise as potential biological controls of hemlock woolly adelgid

Forest Service science is identifying potential biological control of hemlock wooly adelgid, an invasive insect that is devastating hemlock tree ...

Principal Investigator : Nathan P. Havill

Invasive Species2017NRS
Photo of
ID: 1211
Slow ash mortality approach reduces emerald ash borer numbers

The Emerald ash borer (EAB) is the most destructive forest insect pest that ever invaded North America. It has killed hundreds of millions of a ...

Principal Investigator : Therese M. Poland

 2017NRS
Photo of Flats containing soil samples and germinants growing within a greenhouse.  The germinants are plant species found in the collected soil within the invaded, mixed, early successional, and mature forest sites.
ID: 1193
Soil seed banks predict future forest composition

Soil seed banks help define both forest health and the likelihood of invasion. In a comparison of soil seed banks at four sites in West Virginia ...

Principal Investigator : Cynthia Huebner

 2017NRS
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 Researchers checking an Asian longhorned beetle trap in Worcester, MA.  Melody Keena, Forest Service
ID: 33
Strong Demand for New Tool for Detecting Asian Longhorn Beetle

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

Principal Investigator : Melody Keena

Invasive Species2012NRS
Photo of Hemlock trees in the eastern U.S. have not yet been severely impacted by the hemlock woolly adelgid but the landscape may be at a tipping point. David Lee, USDA Forest Service
ID: 464
The Future of Hemlock Trees in the Eastern U.S. Remains Dicey

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

Principal Investigator : R. Talbot Trotter, III

Invasive Species
Inventory and Monitoring
2013NRS
Photo of Photo of hemlock tree crown released by the thinning treatment. Mary Ann Fajvan, U.S. Department of Agriculture Forest Service.
ID: 1128
Thinning Effects on Foliar Elements in Eastern Hemlock: Implications for Managing the Spread of Hemlock Woolly Adlegid

With the imminent entrance of hemlock woolly adlegid (HWA) into forest stands in the Allegheny National Forest in Pennsylvania, it was critical ...

Principal Investigator : Mary Ann Fajvan

Invasive Species2016NRS
Photo of Female Asian longhorned beetle found in trap in Worcester, MA.  Melody Keena, Forest Service
ID: 197
Trap for Detecting Asian Longhorned Beetle in the United States

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

Principal Investigator : Melody Keena

Invasive Species2010NRS
Photo of 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