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

Research Highlights

Search Results

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

Highlight IDTitleStrategic Program Area(s)YearStation
Photo of
ID: 248
A new approach to large-scale fish monitoring

The old paradigm of 'how much is out there' is being replaced by a new method prototyped by the Rocky Mountain Research Station, which is easier ...

Principal Investigator : William M. Block

Wildlife and Fish2010RMRS
Photo of Students measuring vegetation structure in urban socio-ecosystem. Forest Service
ID: 324
A socioecological network for a tropical city

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

Principal Investigator : Ariel Lugo

Water, Air, and Soil
Invasive Species
Resource Management and Use
Wildlife and Fish
Inventory and Monitoring
2011IITF
Photo of Blue blooms of native California lilac, and other native shrubs form part of a one-mile hedgerow in Yolo County, California. Hedgerows, an agroforestry practice, increase pollination activity from native bees and provide crop protection by harboring beneficial native insects over crop pests by a margin of three to one. Jessa Cruz, Xerces Society
ID: 746
A Win-Win on Agricultural Lands: Creating Wildlife Habitat Through Agroforestry

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

Principal Investigator : Gary Bentrup

Wildlife and Fish2014WO
Photo of The Comparative Risk Assessment Framework and Tools (CRAFT) is a user-friendly, Web-based support system that helps natural resource managers address uncertainties inherent in land management decisions. Forest Service
ID: 416
advancing the Comparative Risk Assessment Framework and Tools (CRAFT)

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

Principal Investigator : Steve Norman

Wildland Fire and Fuels
Invasive Species
Wildlife and Fish
Resource Management and Use
2011SRS
Photo of Avian survey in agricultural mosaic, northern Nicaragua. Gerald P. Bauer, USDA Forest Service
ID: 595
Agroscapes Combined with Preserved Forest Remnants Promote Biodiversity at Local and Landscape Levels

Agroecological practices and resultant agroscapes, coupled with the preservation of forest remnants, have a positive impact on local biodiversit ...

Principal Investigator : Wayne J. Arendt, PhD

Wildlife and Fish2014IITF
Photo of A plain pocketbook mussel (Lampsilis cardium) with the lure it uses to draw fish close enough to deposit larvae in their gills as part of its unique reproductive cycle. Wendell Haag, USDA Forest Service
ID: 706
Assessment of conservation strategies for North American freshwater mussels.

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

Principal Investigator : Wendell R. Haag

Wildlife and Fish
Water, Air, and Soil
2014SRS
Photo of Nicaraguan reporter and IITF cooperator, Adelayde Rivas Sotelo, filming the biodiversity project. Forest Service
ID: 17
Avian Diversity in the Agroscapes of Nicaragua's Northern Highlands

Creating biological corridors to sustain biodiversity, while increasing revenue for local farmers

Principal Investigator : Wayne J. Arendt, PhD

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

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

Principal Investigator : Brian R. Sturtevant

Wildlife and Fish2014NRS
Photo of A new book provides land managers and policy makers with key information about the potential impacts of climate change on southern forest ecosystems. Sarah Farmer, USDA Forest Service
ID: 734
Book Published to Help Managers of Southern Forests Cope with the Effects of Climate Change

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

Principal Investigator : James Vose

Invasive Species
Wildland Fire and Fuels
Outdoor Recreation
Resource Management and Use
Wildlife and Fish
Water, Air, and Soil
2014SRS
Photo of
ID: 345
California golden trout and future climate warming

The California golden trout is imperiled due to exotic trout, genetic introgression, and degraded habitat, and faces further stress from climate ...

Principal Investigator : Kathleen R. Matthews

Wildlife and Fish2011PSW
Photo of Report cover
ID: 544
Changing Patterns of Wildlife Hunting and Viewing

These findings help resource specialists explore the potential impacts of declining hunting participation, identify regions and activities that ...

Principal Investigator : Miranda H. Mockrin

Wildlife and Fish2013RMRS
Photo of The panel at upper left shows the extent of the project, specified by a green outline. * Forest Service
ID: 387
Combating wildlife habitat loss to human development

Scientists are investigating ways to lessen the impact of humans on wildlife and their travel corridors.

Principal Investigator : Samuel A. Cushman

Wildlife and Fish2011RMRS
Photo of
ID: 353
Conservation priorities identified for Northwest amphibians and reptiles

At a reptile conservation conference, scientists and natural resource managers synthesized conservation concerns and priorities for 105 species ...

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

Wildlife and Fish2011PNW
Photo of Pine marten. Michael Mengak, Bugwood.org
ID: 94
Conserving Martens, Sables, and Fishers

New book provides the first comprehensive synthesis of knowledge about these species in nearly 20 years

Principal Investigator : Keith Aubry

Wildlife and Fish2012PNW
Photo of While deep-forest birds avoided gas-oil wells on the Allegheny National Forest, generalist species (such as the American robin whose nest is visible on this pump jack) increased with increasing well density. Scott Stoleson, USDA Forest Service
ID: 648
Conventional Oil and Gas Development Alters Songbird Communities

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

Principal Investigator : Scott H. Stoleson

Wildlife and Fish2014NRS
Photo of Macrobrachium shrimp species are important to processing leaf detritus in Caribbean streams, but dams keep them from accessing headwaters. Forest Service
ID: 181
Dams slow decomposition of leaf detritus by eliminating shrimp.

Forest Service sponsored research with the University of Georgia found that the absence of shrimp causes drastic changes to stream ecosystems.

Principal Investigator : International Institute of Tropical Forestry

Water, Air, and Soil
Wildlife and Fish
2010IITF
Photo of
ID: 209
DNA Tool Detects White-Nose Syndrome Fungus in Bat Caves

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

Principal Investigator : Daniel Lindner

Wildlife and Fish2010NRS
Photo of Foothill yellow-legged frogs can be found in habitats located in the North Fork of the American River. Amy Lind, Forest Service
ID: 357
Dynamic flow modeling of riverine amphibian habitat with application to regulated flow management

A seasonal pulsed flows, such as those from hydropower plants, have potentially negative effects on the early life stages of amphibians, such as ...

Principal Investigator : Amy J. Lind

Wildlife and Fish2011PSW
Photo of Hoary bats (Lasiurus cinereus) are the most frequent fatalities at wind energy facilites. Forest Service
ID: 105
Echolocation Monitoring Models Bat Occupancy Near Wind Energy Facilities

Model could mitigate the effects of wind energy development on populations of migratory bats

Principal Investigator : Ted Weller

Wildlife and Fish
Resource Management and Use
Inventory and Monitoring
2012PSW
Photo of An energy-wood harvest on Potlatch Lands in Minnesota. Anthony D'Amato, University of Minnesota
ID: 467
Ecosystem Impacts of Wood Harvests For Biofuel

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

Principal Investigator : Brian J. Palik

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

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

Principal Investigator : Deahn Donner

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

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

Principal Investigator : Jane Rodrigue

Wildlife and Fish2014NRS
Photo of
ID: 356
Evaluating Management Risks Using Landscape Trajectory Analysis

Ecosystem management requires an understanding of how landscapes vary in space and time and how this variation can be affected by management dec ...

Principal Investigator : Craig M. Thompson

Wildlife and Fish2011PSW
Photo of
ID: 250
Examining the eastern edge of greater sage-grouse habitat

Efforts to aid greater sage-grouse survival, a candidate for Endangered Species Act protection, will be enhanced by a project coordinated at the ...

Principal Investigator : Steve D. Warren

Wildlife and Fish2010RMRS
Photo of Andrena perplexa. This genus of bees tends to be solitary, nest in the ground, and was found in 6 Experimental Forest sites in the western half of the US. Graham Snodgrass for Sam Droege of USGS
ID: 323
Experimental Forest Network Hosts Nationwide Bee Monitoring Project

There is a widespread perception that populations of pollinating insects in North America are in decline.

Principal Investigator : International Institute of Tropical Forestry

Wildlife and Fish2011IITF
Photo of
ID: 43
Feedbacks Through the Land Market Affect Success of Open Space Conservation Policy

A new planning tool helps decide which land parcels to save

Principal Investigator : Robert G. Haight

Resource Management and Use
Wildlife and Fish
2012NRS
Photo of Male bull trout in the East Fork Bitterroot River Basin. Aubree Benson, Forest Service
ID: 390
Fire and fish dynamics in a changing climate

Forest Service scientists are seeking a better understanding how climate change and fire affect native trout.

Principal Investigator : Michael K. Young

Wildlife and Fish2011RMRS
Photo of Augochlora pura was the most abundant bee species in the canopy. Sam Droege, USGS
ID: 743
Forest Bees are More Active in the Canopy Than Near the Ground in the Southeastern U.S.

Results from one of the first studies to investigate how bees are vertically distributed in temperate deciduous forests suggest these insects ar ...

Principal Investigator : Michael Ulyshen

Wildlife and Fish2014SRS
Photo of Dr. James Trappe (Forest Service, emeritus scientist) and Mr. Turgut Keskin (Turkish entrepreneur interested in developing a commercial truffle industry in Turkey) enjoy the aroma of Tuber aestivum near Denizli, Turkey. Michael Castellano, USDA Forest Service
ID: 492
Forest Service Scientists Help Turkish Foresters Cultivate Truffle Species

Forest Service scientists provided training to Turkish Ministry of Forestry personnel in the importance of ectomycorrhizal fungi to forest produ ...

Principal Investigator : Michael Castellano

Wildlife and Fish
Resource Management and Use
Outdoor Recreation
2013NRS
Photo of Female Ensatina salamander being weighed to access condition. Garth Hodgson, USDA Forest Service
ID: 683
Friends in Low Places: How Salamanders Help Mitigate the Impacts of Climate Change

Woodland salamanders perform a vital ecological service in American forests by slowing the release of carbon in the form of leaf litter on the f ...

Principal Investigator : Hart Welsh

Wildlife and Fish
Water, Air, and Soil
2014PSW
Photo of A fisher in the snow. Timothy Catton, USDA Forest Service
ID: 536
Habitat Preferences of Fishers

This is the first study to investigate the broader applicability of habitat selection patterns for fishers derived from multiple independent rad ...

Principal Investigator : Keith Aubry

Wildlife and Fish2013PNW
Photo of Oconee National Forest, Georgia. USDA Forest Service
ID: 744
Have Changing Forest Conditions Contributed to Native Pollinator Decline

This study compared bee communities within seven common forest conditions or types on the Oconee National Forest in Georgia. Forest Service rese ...

Principal Investigator : James L. Hanula

Wildlife and Fish2014SRS
Photo of Adult goshawk in northern hardwood stand in Chequamegon-Nicolet National Forest, Wisconsin. Forest Service
ID: 350
How Large-scale Forest Conditions Influence Northern Goshawk Nesting

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

Principal Investigator : Deahn Donner

Wildlife and Fish
Inventory and Monitoring
2011NRS
Photo of Educators can now use Hubbard Brooks long-term data sets to teach inquiry in their classrooms. J. Wilson, Hubbard Brook Research Foundation
ID: 347
Hubbard Brook Environmental Literacy Program

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

Principal Investigator : Barbara McGuinness

Resource Management and Use
Water, Air, and Soil
Wildlife and Fish
2011NRS
Photo of Idaho home with defensible space fostered by an incentive program. Sarah McCaffrey, USDA Forest Service
ID: 651
Identifying Policy Tools That Encourage Community-Level Defensible Space in Six U.S. Communities

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

Principal Investigator : Sarah M. McCaffrey

Wildlife and Fish2014NRS
Photo of A chorus frog threatened by invasive Chinese Tallow. Taylor Cotten, Forest Service
ID: 134
Invasive Chinese Tallow Reduces Hatching of Frog Eggs

Decomposing leaf litter reduces hatching of southern leopard frog eggs by lowering the pH and concentration of dissolved oxygen in the water

Principal Investigator : Daniel Saenz

Invasive Species
Wildlife and Fish
2012SRS
Photo of Fish screen installed in a wetland unit at the Hanalai National Wildlife Refuge on Kauai. Fish are removed from the water as it flows through the screen. The fish-free water is then used to flood the wetland unit behind the screen. Richard MacKenzie, USDA Forest Service
ID: 684
Keeping Out Exotic Fish Improves Endangered Hawaiian Waterbird Habitat

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

Principal Investigator : Richard A. Mackenzie

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

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

Principal Investigator : Rebecca Flitcroft

Water, Air, and Soil
Wildlife and Fish
2014PNW
Photo of North American beaver dam on trout stream in Chequamegon-Nicolet National Forest. Sue Reinicke, USDA Forest Service
ID: 649
Landscape-scale Effects of Beaver Removal on a Managed Forest

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

Principal Investigator : Deahn Donner

Wildlife and Fish
Water, Air, and Soil
2014NRS
Photo of A rainbow trout. Mark Lisac, U.S. Fish and Wildlife
ID: 672
Lipid Accumulation and Metabolic Rate Influence Steelhead versus Rainbow Trout Life History

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

Principal Investigator : Gordon Reeves

Wildlife and Fish
Water, Air, and Soil
2014PNW
Photo of Deer browsing exerts top-down selection on plant communities, which over time ricochets back up the trophic web to affect insects and birds. Forestry Sciences Laboratory, Irvine, PA
ID: 315
Long-Term Differences in Forests With Different Deer Densities

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

Principal Investigator : Scott H. Stoleson

Wildlife and Fish
Resource Management and Use
2011NRS
Photo of Oak savanna and woodlands are being restored through the use of prescribed fire and tree thinning and provide habitat for many birds of conservation concern. Jennifer Reidy, University of Missouri
ID: 652
Many Bird Species Benefit From Oak Savanna Woodland Restoration

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

Principal Investigator : Frank R. Thompson

Wildlife and Fish2014NRS
Photo of Forest disturbance type, age and vertical structure were mapped for the first time with widely available satellite imagery, substituting an image time series for vertical forest canopy space. Forest Service
ID: 194
Mapping avian habitat characteristics using cloud-cleared satellite image mosaics

Forest age, vertical structure, disturbance For studies of wintering habitat for the endangered Kirtland's Warbler, scientists from the Forest S ...

Principal Investigator : Eileen H. Helmer

Inventory and Monitoring
Wildlife and Fish
2010IITF
Photo of LiDAR-based distribution maps (Moscow Mountain, northern Idaho) for different snag diameter classes (top) and understory shrubs (bottom).  Twenty meter pixel presence/absence products are to the left, and 1- ha density maps are to the right. The presence/absence maps include, between parentheses, the proportional cover of the two classes (i.e. present vs. absent). Forest Service
ID: 182
Mapping snags and understory shrubs with LiDAR to assess wildlife habitat suitability.

Forest Service scientists evaluated the use of LiDAR data for mapping the presence/absence of understory shrub species and different snag diamet ...

Principal Investigator : William A. Gould

Wildlife and Fish
Inventory and Monitoring
2010IITF
Photo of A marbled murrelet. Josh London, NOAA
ID: 537
Maps of Marbled Murrelet and Northern Spotted Owl Habitat Look 50 Years Ahead

Station scientists developed detailed wall-to-wall maps of marbled murrelet and northern spotted owl habitat, both current and 50 years into the ...

Principal Investigator : Martin Raphael

Wildlife and Fish
Resource Management and Use
2013PNW
Photo of
ID: 227
Marbled murrelet populations are declining in the Northwest Forest Plan area

The marbled murrelet, a seabird, is a threatened species under the Endangered Species Act. The 1996 Northwest Forest Plan is the guiding plan fo ...

Principal Investigator : Martin Raphael

Wildlife and Fish2010PNW
Photo of
ID: 114
Monitoring Network Saves Wealth of Data on American Bird Populations

Network archives data sets to address future large-scale conservation issues

Principal Investigator : C. J. Ralph

Resource Management and Use
Wildlife and Fish
Inventory and Monitoring
2012PSW
Photo of Standardized sampling of sagebrush habitats can inform management actions for sagebrush obligates like greater sage-grouse. Mary Rowland, USDA Forest Service
ID: 758
National Technical Guide Provides a Foundation for Monitoring Wildlife Habitat on National Forests

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

Principal Investigator : Mary M. Rowland

Wildlife and Fish
Inventory and Monitoring
2014PNW
Photo of
ID: 225
NetMap: A Tool Supporting Watershed Science and Resource Management

The Willamette National Forest is using NetMap to prioritize road restoration and removal projects, and the Oregon Department of Forestry is usi ...

Principal Investigator : Gordon Reeves

Wildlife and Fish2010PNW
Photo of Book cover. USDA Forest Service
ID: 653
New Book Documents Contributions from Forest Service's Long-Term Research Sites

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

Principal Investigator : Susan Stout

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

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

Principal Investigator : Richard T. Reynolds

Wildland Fire and Fuels
Resource Management and Use
Outdoor Recreation
Water, Air, and Soil
Wildlife and Fish
2014RMRS
Photo of
ID: 226
New genome sequencing method reveals a species evolutionary history

Organelle genomes from plants, animals, and fungi are used as genetic markers to track maternal diversity, historical migration, and maternally ...

Principal Investigator : Richard Cronn

Wildlife and Fish2010PNW
Photo of Greater Sage-Grouse (Centrocercus urophasianus). Charlotte Ganskopp, USDA Agricultural Research Service
ID: 705
New Research on Resilience of Sagebrush Ecosystems Used for Improving Sage-grouse Habitat

New research from the Forest Service's Rocky Mountain Research Station on sagebrush ecosystems is being put to use to benefit Greater Sage-Grous ...

Principal Investigator : Jeanne C. Chambers

Wildland Fire and Fuels
Invasive Species
Resource Management and Use
Wildlife and Fish
2014RMRS
Photo of IITF scientists and collaborators mapped 40 forest types plus urban and agricultural areas for Trinidad and Tobago in the first country-wide map of tropical forest tree communities and land cover.  Eileen H. Helmer, Forest Service
ID: 21
New Study Leads the Way to Detailed Mapping of Tropical Rain Forest Types

Tropical tree communities mapped for Trinidad and Tobago with satellite imagery

Principal Investigator : Eileen H. Helmer

Wildlife and Fish
Inventory and Monitoring
2012IITF
Photo of IITF Wildlife Researcher demonstrating banding techniques for wren photographic key. Forest Service
ID: 29
Photographic Key Determines Age and Gender in Two Thryothorus Wrens From Nicaragua's Pacific Slope

A visual and metric aid to determining age and gender in tropical wrens

Principal Investigator : Wayne J. Arendt, PhD

Wildlife and Fish
Inventory and Monitoring
2012IITF
Photo of
ID: 247
Pioneering genetics research aids in fisher survival

Rocky Mountain Research Station scientists and collaborators have pioneered a mitochondrial genome sequencing technique that can be used to answ ...

Principal Investigator : William M. Block

Wildlife and Fish2010RMRS
Photo of Models indicate strategically placed habitat restoration is effective at reversing declines of Prairie Warblers whereas randomly placed management is not. Wolfgang Wander, Wikimedia Commons.
ID: 476
Prairie Warbler and Wood Thrush Populations Respond Well to Strategic Conservation Efforts

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

Principal Investigator : Frank R. Thompson

Wildlife and Fish2013NRS
Photo of Louisiana Pine Snakes inhabit fire-maintained pine forests. Daniel Saenz, USDA Forest Service
ID: 717
Progress in Reintroducing the Louisiana Pine Snake

The Louisiana pine snake is subject to extinction in the near future. Forest Service researchers are monitoring the status of remnant population ...

Principal Investigator : Carline Rudolph

Wildlife and Fish2014SRS
Photo of Project SMART provides opportunities for students to conduct hands-on research in environmental sciences. Stephanie Meyer, Forest Service
ID: 332
Project SMART: Educating and Motivating Talented High School Students in Math and Science

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

Principal Investigator : Rakesh Minocha

Resource Management and Use
Water, Air, and Soil
Wildlife and Fish
2011NRS
Photo of A new map product in the recently inaugurated FS Research & Development Research Map Series (RMAP) summarizes the relative amounts of federal, local, and nongovernmental ownership and management, and degree to which biodiversity conservation is a priority. Forest Service
ID: 183
Protected areas of Puerto Rico: Terrestrial and aquatic biodiversity protection.

Forest Service scientists have mapped public and private lands designated for special protection in Puerto Rico. We identified 115 terrestrial a ...

Principal Investigator : William A. Gould

Wildlife and Fish
Resource Management and Use
2010IITF
Photo of California myotis (Myotis californicus). Norman Barrett, Rogue River-Siskiyou National Forest
ID: 498
Protecting Habitat for Bats in the Face of Development Pressure

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

Principal Investigator : Robert G. Haight

Resource Management and Use
Wildlife and Fish
2013NRS
Photo of Natural producers of Kirtlands Warbler winter habitat were likely hurricanes and fire; now human disturbance such as bulldozing, goat grazing, mowing or brush-hogging create winter habitat for the warbler.  The range of successional stages following disturbance are shown in the lower photos. Forest Service
ID: 210
Protecting the Endangered Kirtland's Warbler and Developing Conservation Capacity in The Bahamas

The Kirtland's Warbler, one of North America's most endangered migrant songbirds, has been the focus of intensive federal and state conservation ...

Principal Investigator : International Institute of Tropical Forestry

Wildlife and Fish2010IITF
Photo of A pygmy rabbit. Boise State University, Boise State Univsersity
ID: 668
Pygmy Rabbits Use Nutritional and Chemical Cues While Making Foraging Decisions

Pygmy rabits are dietary specialists that feed on sagebrush (Artemisia spp.) and forage on specific plants more than others within a foraging pa ...

Principal Investigator : Rick G. Kelsey

Wildlife and Fish
Resource Management and Use
2014PNW
Photo of Juvenile foothill yellow-legged frog. Ryan Peek, Forest Service
ID: 363
Rangewide phylogeography of the western U.S. endemic frog Rana boylii (Ranidae): Implications for the conservation of frogs and rivers

Genetic data are increasingly being used in conservation planning for declining species. Both the ecological and distributional limits of the fo ...

Principal Investigator : Amy J. Lind

Wildlife and Fish2011PSW
Photo of Forests of the Northern United States uses more than 100 maps, graphs, and tables to summarize current conditions and recent trends for the 172 million acres of forest land in the 20 States that comprise the U.S. North. Forest Service
ID: 53
Report Details Trends and Current Conditions for Northern Forests

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

Principal Investigator : Stephen R. Shifley

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

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

Principal Investigator : Frank R. Thompson

Resource Management and Use
Wildlife and Fish
2012NRS
Photo of
ID: 230
Research Determines Carbon Costs and Benefits of Fuels Treatments

In the western United States, nearly a century of fire suppression has increased tree densities and fuel accumulations. In forests that were his ...

Principal Investigator : Malcolm P. North

Wildlife and Fish2010PSW
Photo of Salmon habitat in the Olympic Experimental State Forest, Washington. Pete Bisson, USDA Forest Service
ID: 527
Research Documents the Influence of Water Temperature on Life Histories of Rainbow Trout and Steelheads

These studies reveal a suite of processes influencing life-history expression in salmonids. The influence of temperature on O. mykiss life histo ...

Principal Investigator : Gordon Reeves

Wildlife and Fish
Water, Air, and Soil
2013PNW
Photo of
ID: 425
Riparian zone width, pine plantation age, and status of conservation priority birds

Selecting 16 different bird species of conservation importance in the Ouachita Mountains of Arkansas, we used models to look at the likelihood o ...

Principal Investigator : Roger W. Perry

Wildlife and Fish2011SRS
Photo of
ID: 297
Riparian Zones

In a recent study on the Nantahala National Forest in western North Carolina, Forest Service scientists investigated the importance of riparian ...

Principal Investigator : Susan C. Loeb

Wildlife and Fish2010SRS
Photo of The Columbia River Gorge National Scenic Area. Pete Bisson, USDA Forest Service
ID: 529
River Food Webs are an Important Consideration for River Restoration

The current emphasis on restoring habitat structure, without explicitly considering food webs, has been less successful than hoped in terms of e ...

Principal Investigator : Pete Bisson

Wildlife and Fish2013PNW
Photo of Forest Service research assistant Carlos Delgado holds a golden-winged warbler (Vermivora chrysoptera). These warblers breed in the U.S. and winter in Latin America. David King, USDA Forest Service
ID: 494
Saving Tropical Forests for Migrant Birds

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

Principal Investigator : David King

Wildlife and Fish2013NRS
Photo of Altantic salmon smolt, ready to migrate to the ocean. Forest Service
ID: 32
Scientist Refines Models Relating River Flows to Fish Habitat and Population Dynamics

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

Principal Investigator : Keith Nislow

Wildlife and Fish
Water, Air, and Soil
2012NRS
Photo of Occurrence records for Centropomus parallelus in streams and estuaries of Puerto Rico and the US Virgin Islands. Benjamin Crain, USDA Forest Service
ID: 455
Scientists Complete New Database for Modeling and Mapping Species Distributions

Forest Service scientists completed two large project reports: The U.S. Virgin Islands Terrestrial Gap Analysis Project delivered to the USGS Na ...

Principal Investigator : William A. Gould

Wildlife and Fish2013IITF
Photo of A blue-spotted salamander, woodland pond species, in Wisconsin. Dale Higgins, USDA Forest Service
ID: 505
Scientists Discover Earlier Shift in Peak Salamander Numbers at Woodland Ponds

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

Principal Investigator : Deahn Donner

Wildlife and Fish2013NRS
Photo of Wildlife habitats for such wildlife as elk were evaluated by scientists to better understand how their habitats connect across the Northern Rockies. (Thinkstock)
ID: 553
Scientists Evalute Connectivity of Wildlife Habitats in Northern Rockies

Forest Service scientists recently evaluated how and to what extent wildlife habitats are connected across a vast 44 million hectare geographica ...

Principal Investigator : Samuel A. Cushman

Wildlife and Fish2013RMRS
Photo of A map showing reported amphibian chytrid fungus in 52 of 82 countries sampled to date, and in 516 of 1,240 species. USDA Forest Service
ID: 538
Scientists Link Amphibian Fungus to Increasing Temperature Range

Scientists find the odds of fungus occurrence decreased with increasing temperature range at a site, linking disease emergence to climatic consi ...

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

Wildlife and Fish2013PNW
Photo of RMRS researchers attaching a color band to a captured and hooded Mexican spotted owl. Forest Service
ID: 108
Scientists Study Endangered Mexican Spotted Owl

Research provides information useful to managers charged with conserving and restoring Mexican spotted owls and their habitat

Principal Investigator : Joseph L. Ganey

Outdoor Recreation
Wildlife and Fish
2012RMRS
Photo of One of the common ground beetles Pterostichus melanarius that responded to lepidopteran outbreaks. Todd Ristau, USDA Forest Service
ID: 495
Scientists Study Long-term Response of Ground Beetle Communities to an Operational Herbicide Application

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

Principal Investigator : Todd Ristau

Resource Management and Use
Wildlife and Fish
2013NRS
Photo of
ID: 216
Shrubland Birds and Their Habitats

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

Principal Investigator : David King

Wildlife and Fish2010NRS
Photo of Bent Creek Experimental Forest scientists partnered with a HACU University, the University of Texas at San Antonio (and with North Carolina State University), to mentor graduate and undergraduate students researching wildlife and prescribed fire. Stanley Crownover
ID: 711
Southern Research Station and Hispanic Association of Colleges and Universities Partner in Wildlife Research

Two graduate and three undergraduate students from the University of Texas at San Antonio, a member of the Hispanic Association of Colleges and ...

Principal Investigator : Katie H. Greenberg

Wildlife and Fish2014SRS
Photo of There have been overall population declines in resident and migratory birds in the Gu�nica Biosphere Reserve in Puerto Rico. USDA Forest Service
ID: 454
Steep Decline of a Winter Resident Bird Community in Puerto Rico Needs Swift Action

The migratory bird community inhabiting one of the Caribbean's most unadulterated and extensive remaining dry forests, the Gu�nica Biosphere R ...

Principal Investigator : Wayne J. Arendt, PhD

Wildlife and Fish2013IITF
Photo of Remote camera captures a wolverine as it approaches a researcher's trap. USDA Forest Service
ID: 548
Study Guages the Response of Wolverines to Winter Recreation

Forest Service scientists and their research partners use a novel approach that includes trapping and fitting wolverines with GPS collars that a ...

Principal Investigator : John R. Squires

Wildlife and Fish2013RMRS
Photo of A pair of Mexican spotted owls watches a live mouse on the forest floor.  Spotted owl nests typically are well hidden and difficult to locate.  Nesting owls often take captured prey to the nest site, allowing scientists to locate the nest. USDA Forest Service
ID: 554
Study Looks Into Nesting Habitats of Threatened Mexican Spotted Owls

Scientists worked with land managers to study nesting habitats of the Mexican spotted owl in New Mexico. Findings provide a template for preser ...

Principal Investigator : Joseph L. Ganey

Wildlife and Fish2013RMRS
Photo of The Malone jumping slug (Hemphillia malonei) is one of seven species of jumpingslugs found in the Pacific Northwest. Robin Malone, USDA Forest Service
ID: 671
Terrestrial Mollusks Respond to Logging in Riparian Areas

Little is known about the biology and response to environmental change of native, terrestrial mollusks in the Pacific Northwest. Because of moll ...

Principal Investigator : Alex Foster

Wildlife and Fish
Resource Management and Use
2014PNW
Photo of Climate Change in Grasslands, Shrublands, and Deserts of the Interior American West: A Review and Needs Assessment
ID: 107
The Effects of Climate Change in Grasslands, Shrublands, and Deserts

Studies show that by the turn of the century, climate in the Western United States may be incompatible with current vegetation types, resulting ...

Principal Investigator : Deborah M. Finch

Resource Management and Use
Invasive Species
Wildlife and Fish
2012RMRS
Photo of Ferruginous hawk fitted with a GPS transmitter to study movements relative to oil/gas and wind energy development. Forest Service
ID: 109
The Effects of Energy Development on Hawks and Golden Eagles Documented

Results from a new wildlife study help managers develop conservation measures for ferruginous hawks and golden eagles in areas being developed f ...

Principal Investigator : John R. Squires

Wildlife and Fish2012RMRS
Photo of The Xylotron uses machine-visioning technology to identify wood species. John Hermanson, USDA Forest Service
ID: 585
The Xylotron: A Field-Deployable Machine-Vision Wood Identification System

The Xylotron is a machine-vision-based wood identification system that uses a custom-designed wood imaging device (the Xyloscope), image analysi ...

Principal Investigator : Alex C. Wiedenhoeft

Resource Management and Use
Wildlife and Fish
Inventory and Monitoring
2014FPL
Photo of White-tailed sea eagles flying near their nest at the wind facility on the island of Sm�la, Norway.  This facility has killed many eagles and dramatically impacted the dynamics of their population.  Forest Service
ID: 88
Threats From Wind Energy Turbines Identified for Migrating Golden Eagles

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

Principal Investigator : Thomas Schuler

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

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

Principal Investigator : Scott H. Stoleson

Wildlife and Fish2013NRS
Photo of A little brown bat is infected with white-nose syndrome (WNS).  Nancy Heaslip, NY Department of Environmental Conservation
ID: 712
Tracking the Decline of Bats in North America

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

Principal Investigator : Susan C. Loeb

Wildlife and Fish2014SRS
Photo of
ID: 99
Trout Populations Benefit From Novel Model That Examines Fragmented Habitat

Research helps set priorities for restoring connectivity of stream networks

Principal Investigator : Bret C. Harvey

Wildlife and Fish2012PSW
Photo of Changes in age classes for red spruce and red spruce-northern hardwood forest types combined for a section of the study area (about 13,000 acres) at three time steps. Melissa Thomas-Van Gundy, USDA Forest Service
ID: 614
Using a Landscape Model for Planning Red Spruce Restoration in West Virginia

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

Principal Investigator : Melissa Thomas-Van Gundy

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

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

Principal Investigator : Scott H. Stoleson

Wildlife and Fish2014NRS
Photo of Researchers are gathering data on Mexican spotted owl habitat. Forest Service
ID: 249
Using timber-survey data to assess habitat of the threatened Mexican spotted owl

The Mexican spotted owl's southwestern roosting habitat has increased significantly on public land, is almost disappearing on private land, but ...

Principal Investigator : Michael J. Wilson

Wildlife and Fish2010RMRS
Photo of Foothill yellow-tailed tadpoles. Sarah Kupferberg, U.C. Berkeley
ID: 379
Water velocity tolerance in tadpoles of the foothill yellow-legged frog (Rana boylii):

The effects of large magnitude flow fluctuations in rivers with dams, commonly referred to as pulsed flows, on tadpoles of Foothill Yellow-legge ...

Principal Investigator : Amy J. Lind

Wildlife and Fish2011PSW
Photo of Leucaena leucocephala, one of the dominate non-native trees found in the novel Prosopis-Leucaena woodlands in Puerto Rico. Ron Lance
ID: 460
When Insectivorous Birds Want to Forage in Puerto Rico, What Trees do They Prefer?

High foliage palatability of some alien tree species may weaken the effect of the so-called enemy release that occurs when introduction of a pla ...

Principal Investigator : Joseph M. Wunderle, Jr.

Wildlife and Fish2013IITF
Photo of Bottom two photos: Left photo shows student intern Scott Johnson and project field directorJennifer White at a goat farm site (11 years after clearing) where the Kirtland's Warblers were abundant. Right photo shows a female Kirtland's Warbler.
ID: 591
Winter Ecology and Conservation Implications for the Endangered Migrant Kirtland's Warbler in the Bahamas

Winter droughts reduce the endangered Kirtland's Warbler's food supply and body condition in the Bahamas, which affect its survival and breeding ...

Principal Investigator : Joseph M. Wunderle, Jr.

Wildlife and Fish2014IITF
Photo of
ID: 208
Wolf Recovery and the Future of Wisconsin's Forests: A Trophic Link

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

Principal Investigator : W. Keith Moser

Wildlife and Fish2010NRS
Photo of
ID: 246
Wolverine Futures in a Changing Climate

Rocky Mountain Research Station researchers have demonstrated that wolverines are dependent on persistent spring snow for denning and this facto ...

Principal Investigator : William M. Block

Wildlife and Fish2010RMRS
Photo of Woodland salamander. Garth Hodgson, USDA Forest Service
ID: 541
Woodland Salamanders are Indicators of Redwood Forest Recovery

Forest Service researchers have found that two common salamander species provide a way of measuring the recovery of previously harvested redwood ...

Principal Investigator : Hart Welsh

Wildlife and Fish2013PSW