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Highlight IDTitleStrategic Program Area(s)YearStation
Photo of Spotted wing drosophila inside a microfuge tube with a thermocouple in preparation for cold tolerance testing. Amanda Stephens, University of Minnesota and U.S. Department of Agriculture Forest Service.
ID: 1165
"Stressing Out" about New Invasive Insects

Some highly damaging invasive insects depend on forests to survive the winter. Forest Service scientists studied the effects of cold stress on t ...

Principal Investigator : Robert C. Venette

Invasive Species2016NRS
Photo of With loss of black ash, forests get wetter and develop dense herbaceous vegetation, making tree establishment difficult. Brian Palik, U.S. Department of Agriculture Forest Service.
ID: 1103
Adapting Black Ash Wetlands to Emerald Ash Borer and Climate Change

Black ash is a foundational species in the vast wetland forests of the upper Midwest. Loss of black ash from emerald ash borer will profoundly c ...

Principal Investigator : Brian J. Palik, PhD

Invasive Species
Resource Management and Use
2016NRS
Photo of Staff at Mississippi Park Connection are testing bald cypress and black tupelo as potential replacements to ash trees lost to emerald ash borer at Pigs Eye Park in Saint Paul, MN. These species were chosen because they are adapted to warmer temperatures and flooding.
ID: 1213
Adapting urban forests to a changing climate

A framework for urban forest vulnerability assessment and adaptation, piloted with partners in the Chicago region, is informing master planning ...

Principal Investigator : Leslie Brandt

Water, Air, and Soil
Resource Management and Use
2017NRS
Photo of Nanocellulose facility at the Forest Service’s Forest Products Laboratory in Madison, Wisc. U.S. Department of Agriculture Forest Service.
ID: 1126
Alternative Futures for Wood-based Nanomaterials

Forest products researchers are exploring the potential of nano-products from wood. Possible uses of these renewable products could include high ...

Principal Investigator : David N. Bengston

Resource Management and Use2016NRS
Photo of Thousand Cankers Disease affected eastern black walnut trees used to determine insects emerging and carry the TCD fungus. Jennifer Juzwik, U.S. Department of Agriculture Forest Service.
ID: 1123
Ambrosia Beetles and Bark-Colonizing Weevils Carry Thousand Cankers Disease Fungus

Thousand cankers disease (TCD) is a threat to the health of eastern black walnut, a highly valued species for timber and nut production in the e ...

Principal Investigator : Jennifer Juzwik

Invasive Species2016NRS
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 Gypsy moth trap used to detect new populations. Forest Service
ID: 47
Balanced Approach to Surveillance Reduces the Costs of Invasive Species Detection and Control

New planning tool helps organizations make decisions on where and how much money to spend on invasive pests detection programs

Principal Investigator : Robert G. Haight

Invasive Species2012NRS
Photo of Local leaders help ensure that the CWPP makes a difference on the ground.  Pamela Jakes, Forest Service
ID: 48
Best Management Practices for Community Wildfire Protection Plans

Bringing local solutions to wildland fire management

Principal Investigator : Pamela J. Jakes

Wildland Fire and Fuels2012NRS
Photo of Map of downed and dead woody material. Grant Domke, USDA Forest Service
ID: 461
Better Estimates of Carbon Inventory in Dead Wood Now Available

Researchers with the Forest Inventory and Analysis (FIA) program have sampled downed and dead woody material (DWM) since 2002 so most U.S. state ...

Principal Investigator : Grant M. Domke

Inventory and Monitoring2013NRS
Photo of Hybrid aspen leaves showing bronze leaf disease. Mike Ostry, USDA Forest Service
ID: 489
Bronze Leaf Disease Poses a Threat to Aspen Breeding

Bronze leaf of hybrid aspen is a systemic disease that results in a characteristic dark purple to brown pigmentation of infected aspen leaves in ...

Principal Investigator : Michael E. Ostry

Invasive Species2013NRS
Photo of Contrasting low (left) and high (right) stocking in ponderosa pine forest in Taylor Woods, Fort Valley Experimental Forest. Alessandra Bottero, University of Minnesota
ID: 613
Building Forests That are Adapted to Drought

Climate change models predict increased summer droughts throughout much of the United States. Forest Service scientists are showing that silvicu ...

Principal Investigator : Brian J. Palik, PhD

Resource Management and Use2014NRS
Photo of
ID: 1209
Children’s connections to nature prove to be lasting

Childhood nature experiences have lifelong positive effects. Children’s voluntary engagement with nature, as opposed to exposure through schoo ...

Principal Investigator : David N. Bengston

 2017NRS
Photo of Larvae of emerald ash borer on an ash tree from which the bark had been peeled in April 2014. The larvae are dead (dark brown instead of cream), killed during the winter of 2013-14. Robert C. Venette, USDA Forest Service
ID: 645
Cold Winter Temperatures Set Emerald Ash Borer Back in Minnesota

Emerald ash borer is the most devastating nonnative insect pest of trees in the United States. Overwintering larvae are unable to survive the w ...

Principal Investigator : Robert C. Venette

Invasive Species2014NRS
Photo of Contractors removing trees infested by EAB, as part of an early effort to contain outlier populations in Shields, MI, 2004 (photo by David Cappaert). Dead landscape ash; second tree shows epicormic shoots characteristic of decline caused by EAB in Ann Arbor, MI. David Cappaert, Michigan State University
ID: 199
Cost of Potential Emerald Ash Borer Damage to United States Communities for 2009-2019

Emerald ash borer (EAB), a nonnative invasive bark boring beetle discovered near Detroit, MI, and Windsor, Ontario, in 2002, is now found in fou ...

Principal Investigator : Robert G. Haight

Invasive Species2010NRS
Photo of Face of DVD titled The Wildlife and Wilderness Exploration Show. Forest Service
ID: 329
Culturally Appropriate Conservation Education for the Hmong American Community

Forest Service researchers produced a conservation education DVD in partnership with the Hmong community titled The Wildlife and Wilderness Expl ...

Principal Investigator : David N. Bengston

Outdoor Recreation
Wildland Fire and Fuels
2011NRS
Photo of Wildland firefighting helicopter.  Cibola National Forest
ID: 214
Decision Modeling Framework Improves Process for Awarding Firefighting Helicopter Contracts

Aviation managers desired ways to add more rigor, reliability and transparency to the process. NRS researcher Stephanie Snyder was part of a tea ...

Principal Investigator : Stephanie Snyder

Wildland Fire and Fuels2010NRS
Photo of A structurally complex and diverse red pine forest. Christel Kern, USDA Forest Service
ID: 468
Diversity is Key to Restoring Resilience of Iconic Great Lakes Pine Forests

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

Principal Investigator : Brian J. Palik, PhD

Resource Management and Use2013NRS
Photo of 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 “Tooth-pick” like structures of insect frass of the black stem borer attacking a walnut tree. J. McKenna, USDA Forest Service
ID: 478
Eastern Black Walnut Trees Plagued by More Than Thousand Cankers Disease

Thousand cankers disease, caused by the interaction of the walnut twig beetle and the fungus Geosmithia morbida, has been detected in four easte ...

Principal Investigator : Jennifer Juzwik

Invasive Species2013NRS
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 Harvest for woody biofuels. Anthony D'Amato, University of Minnesota
ID: 622
Ecological Limits to Biomass Harvesting

Removing forest biomass for fuel can provide an alternative to fossil fuels and may mitigate atmospheric carbon dioxide increases, but it may ch ...

Principal Investigator : Brian J. Palik, PhD

Resource Management and Use2014NRS
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, PhD

Resource Management and Use
Water, Air, and Soil
Wildlife and Fish
2013NRS
Photo of Environmental Futures Word Cloud. David Bengston, USDA Forest Service
ID: 501
Environmental Futures Research: Experiences, Approaches, and Opportunities

A Forest Service scientist organized a conference session that explored the trans-disciplinary field of futures research and its application to ...

Principal Investigator : David N. Bengston

Resource Management and Use2013NRS
Photo of Map of invasives across the Northern U.S.  Cassandra Kurtz, USDA Forest Service
ID: 612
Examining the Spread of Invasive Species Using Data from the Forest Inventory and Analysis Program

Invasive plant species threaten the integrity of our ecosystems and cost billions of dollars in damages and removal costs annually. Forest Servi ...

Principal Investigator : Cassandra Kurtz

Invasive Species
Inventory and Monitoring
2014NRS
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 Predictions of soil organic carbon stocks (0-100 cm) for all Forest Inventory and Analysis plots in the conterminous United States.  U.S. Department of Agriculture Forest Service.
ID: 1163
Field Measurements Confirm Importance of Litter and Soil Carbon in U.S. Forests

Field measurements of litter and soil attributes in the Forest Inventory and Analysis program were used, for the first time, to develop predicti ...

Principal Investigator : Grant M. Domke

Inventory and Monitoring2016NRS
Photo of Because the small white lady’s slipper tends to occur in isolated populations within a highly fragmented landscape, opportunities for dispersal to new sites and inter-population genetic exchange are minimal, which may limit its capacity to adapt to climate. Justin Meissen, University of Minnesota.
ID: 1034
For the Rare Prairie Orchid, Science is Making Climate Change Local

Forest Service researchers, along with their research partners from the University of Minnesota, are helping land managers answer key questions ...

Principal Investigator : Stephanie Snyder

Resource Management and Use2016NRS
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 Gallery pattern of eastern larch beetle under the bark of an infested tamarack.  Steven Katovich, U.S. Department of Agriculture Forest Service, Bugwood.org. Licensed under a Creative Commons Attribution 3.0 License.
ID: 1166
Forest Inventory and Analysis Data Helps Inform Landscape Drivers of Insect-induced Tamarack Mortality

Tamarack trees have long been associated with Minnesota’s “Great North Woods” and have seen a slow but steady rise in abundance starting i ...

Principal Investigator : Susan Crocker

Invasive Species
Inventory and Monitoring
2016NRS
Photo of This map displays the current (2017) status of urban  FIA implementation.  Inventory monitoring has begun in those cities in bold font and the year the inventory began is also indicated.
ID: 1277
Forest Inventory and Analysis Urban Monitoring Expands to Include 26 Cities

In collaboration with state and local partners, the Forest Service’s Forest Inventory and Analysis (FIS) Program has expanded urban forest mon ...

Principal Investigator : Mark Majewsky

Inventory and Monitoring
Outdoor Recreation
2017NRS
Photo of Kayakers at Freshkills Park site Photo provided by NYC Parks. New York City Parks.
ID: 1007
Forest Service Research Evaluates Public Response to Transformed Landfill

City parks are easy to love, but would you love, or visit, a park that used to be a landfill? As part of a team that included the New York City ...

Principal Investigator : Stephanie Snyder

Outdoor Recreation2016NRS
Photo of
ID: 1198
High-resolution maps provide new perspective on tree cover in the Central Plains

High-resolution maps, created by the Forest Service Forest Inventory and Analysis Program and its partners, help monitor important tree resource ...

Principal Investigator : Dacia Meneguzzo

 2017NRS
Photo of
ID: 1199
How declining size of private forest land holdings impacts public forest lands

What happens to neighboring public forest lands when a piece of privately held forest land is split into multiple ownership pieces, a process th ...

Principal Investigator : Stephanie Snyder

 2017NRS
Photo of
ID: 221
Improving the Accuracy of Tree Ring Age Measurements

NRS Scientist Shawn Fraver developed regression models to estimate tree age adjustments needed, depending on coring height and growth rate.

Principal Investigator : Shawn Fraver

Inventory and Monitoring2010NRS
Photo of Wildfire control in Georgia forest. Georgia Forestry Commission Archive, Georgia Forestry Commission, Bugwood.org
ID: 497
Improving the Deployment of Wildland Fire Suppression Resources

While managers typically aim to minimize the number of escaped fires, they have limited funds to acquire suppression resources or construct oper ...

Principal Investigator : Robert G. Haight

Wildland Fire and Fuels2013NRS
Photo of Prairie strip embedded in an agricultural (corn) watershed.  The prairie strips increase nutrient and sediment retention, reduce runoff, and increase biodiversity
ID: 1194
Incorporating ecosystem services into Midwest agriculture

Science-based Trials of Rowcrops Integrated with Prairie Strips (STRIPS) is transforming the way farmers conduct agriculture in the Midwest. STR ...

Principal Investigator : Randy Kolka

Water, Air, and Soil
Wildlife and Fish
2017NRS
Photo of Estimates of carbon dioxide equivalent for the forest land category in the United States (negative estimates represent sequestration). DOS: Drained organic soils, Fire: wild and prescribed fire emissions (N20 and CH4), FLCL: Forest Land Converted to Land, FLRFL: Forest Land Remaining Forest Land, Harvested Wood Products, Land Converted to Forest Land.
ID: 1260
Land use conversion to and from forest land has important implications on the National Greenhouse Gas Budget

Land use and land use change data from the Forest Inventory and Analysis Program makes possible a first-of-its-kind analysis of carbon dynamics ...

Principal Investigator : Grant M. Domke

Inventory and Monitoring
Outdoor Recreation
2017NRS
Photo of Afforestation is one means of increasing carbon storage on family forest lands. Stephanie Snyder, USDA Forest Service
ID: 503
Landowners Interested in Managing Family Forest Lands for Carbon

The nation's family forest lands have the potential to be an important contributor to carbon sequestration efforts, but only if their owners are ...

Principal Investigator : Stephanie Snyder

Resource Management and Use2013NRS
Photo of Instrumentation inside SPRUCE chamber. Oak Ridge National Laboratoy.
ID: 1019
Largest Climate Change Experiment on the Planet: SPRUCE

The Spruce and Peatland Responses Under Climatic and Environmental Change Experiment (SPRUCE) is stretching scientists’ ability to manipulate ...

Principal Investigator : Randy Kolka

Water, Air, and Soil2016NRS
Photo of Modeled spring runoff total phosphorus (mg/L) and turbidity (NTU) for watersheds with observed values (gauged) and based on landscape variables only (unguaged) for Lake Michigan.  Gray areas are the portions of the basin not modeled.  Charles Perry, USDA Forest Service
ID: 629
Linking Land Use to Water Quality

Sediment and phosphorus delivery to the Great Lakes is influenced by land use and land cover patterns. Forest Service scientists studied the imp ...

Principal Investigator : Charles H. (Hobie) Perry

Inventory and Monitoring2014NRS
Photo of
ID: 220
Mapping Young Forest Habitats across the Great Lakes Region

NRS research scientists from the Forest Inventory and Analysis (FIA) program used current FIA data to estimate trends in abundance of young fore ...

Principal Investigator : Mark D. Nelson

Inventory and Monitoring2010NRS
Photo of NRS-2017-87
ID: 1259
Mountain pine beetle: A real threat to pines of eastern North America

The mountain pine beetle, an insect native to western states, has devastated pines in western North America and is spreading east through the Ca ...

Principal Investigator : Robert C. Venette

Invasive Species2017NRS
Photo of Contractors remove trees infested by emerald ash borer, Shields, MI, 2004. David Cappaert, Michigan State University
ID: 639
Municipal Cooperation in Managing Emerald Ash Borer Increases Urban Forest Benefits

The best approach to managing an emerald ash borer (EAB) infestation is to fight it like a human health epidemic. Just as epidemiologists cannot ...

Principal Investigator : Robert G. Haight

Invasive Species
Resource Management and Use
2014NRS
Photo of These maps depict the distribution of 12 tree species across the state of New York. The maps show where these trees do not occur (gray), occasionally occur (pale green), are a minor component (medium green), are a major component (dark green), or are the dominant species (black) in the forest, as determined by that species' total basal area. Rachel Riemann, USDA Forest Service
ID: 630
Nationwide Datasets of Tree Species Distributions Created

Geospatial datasets of the relative abundance and distribution of individual tree species have been created by Forest Service scientists for 323 ...

Principal Investigator : Barry T. (Ty) Wilson

Inventory and Monitoring2014NRS
Photo of Image 1: Obtaining branch sample from white oak for evaluation of new oak wilt diagnostic tool. USDA Forest Service
 
Image 2: Drilling to obtain sapwood shavings for fungal DNA extraction.
ID: 1233
New tool detects oak wilt fungus faster and more accurately

Oak wilt is one of several significant diseases threatening the health of oak trees in the U.S. and is a potential threat worldwide. Accurate an ...

Principal Investigator : Jennifer Juzwik

Invasive Species2017NRS
Photo of Oak wilt pocket next to house. Joe O'Brien, Forest Service
ID: 330
Non-native Forest Pathogens Cost Homeowners Millions of Dollars Annually

Two big killers of residential trees--the oak wilt pathogen in the East and the sudden oak death (SOD) pathogen in the West cost homeowners mill ...

Principal Investigator : Robert G. Haight

Invasive Species
Resource Management and Use
2011NRS
Photo of High-resolution maps showing windbreaks (left) facilitate monitoring in the dynamic agricultural landscapes of the central U.S. In this area, 33 acres of windbreaks have been removed between 2009 and 2012. U.S. Department of Agriculture Forest Service.
ID: 1174
Partnerships Produce High-resolution Land Cover Maps of the Central Plains

High-resolution maps, created by the Forest Inventory and Analysis Program and its research partners, are being used to fill a monitoring role f ...

Principal Investigator : Greg C. Liknes

Inventory and Monitoring2016NRS
Photo of Prairie strip embedded in an agricultural (corn) watershed.  Prairie strips increase nutrient and sediment retention, reduce runoff, and increase biodiversity.  Iowa State University
ID: 57
Prairie Strips Lead to Better Environmental Health and Greater Socioeconomic Vitality

Forest Service scientists help Midwestern farming communities understand how to transform strategic portions of the agricultural landscape into ...

Principal Investigator : Randy Kolka

Water, Air, and Soil2012NRS
Photo of 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 Three pest risk maps for Phytophthora ramorum, the causal agent of sudden oak death, produced using (a) CLIMEX software; (b) NAPPFAST software; and (c) an expert-driven rule set. Forest Service
ID: 201
Risk-Mapping Invasive Species

Pest risk maps are vital tools to describe where exotic invasive species might arrive, establish, spread, or have unacceptable effects. They are ...

Principal Investigator : Robert C. Venette

Invasive Species2010NRS
Photo of
ID: 1210
Scientists conduct assessment and valuation of forest ecosystem services

Ecosystems provide many goods and services that enable and enrich human life, from traditional natural resources, such as timber, fish, and edib ...

Principal Investigator : Robert G. Haight

 2017NRS
Photo of Contemplating the future of forests, Illinois, USA. International Society of Arboriculture
ID: 603
Scientists Examine the Future of Forests in the Anthropocene

Forest Service researchers analyzed the major issues and factors affecting forests in the decades ahead: deforestation, mega-fires, urban forest ...

Principal Investigator : David N. Bengston

Resource Management and Use
Water, Air, and Soil
Wildland Fire and Fuels
2014NRS
Photo of Afforestation is one means of increasing forest carbon storage. S.A. Snyder, USDA Forest Service
ID: 624
Study Assesses Private Forest Landowner Attitudes Towards Forest Carbon Management and Carbon Credit Trading

Forest lands, if managed in certain ways, can store excess atmospheric carbon, a key contributor to global climate change. This accumulated carb ...

Principal Investigator : Stephanie Snyder

Resource Management and Use2014NRS
Photo of Private forest land posted against unauthorized public access. Forest Service
ID: 60
Study Assesses Public Access to Private Land for Recreation Purposes

Scientists review opportunities, constraints, and possibilities for relieving recreational pressure on public lands

Principal Investigator : Stephanie Snyder

Outdoor Recreation2012NRS
Photo of Black ash trees girdled to emulate emerald ash borer attack. Brian Palik, USDA Forest Service
ID: 466
The Future of Ash Forests in Minnesota

Ash forests of the Great Lakes region are vulnerable to emerald ash borer (EAB) and climate change. Forest Service scientists are successfully e ...

Principal Investigator : Brian J. Palik, PhD

Invasive Species
Resource Management and Use
Water, Air, and Soil
2013NRS
Photo of Walnut tree in suburban neighborhood, St. Paul, MN. Robert G. Haight, USDA Forest Service
ID: 499
The Value of Urban Tree Cover

Forest Service researchers are estimating how much home buyers are willing to spend for greater neighborhood tree cover; and, the results for ho ...

Principal Investigator : Robert G. Haight

Resource Management and Use2013NRS
Photo of Dorsal and lateral views of the bark-colonizing weevil found to carry the Thousand Cankers Disease fungus in Indiana. Janet C. Ciegler
ID: 642
Thousand-Cankers Disease Fungus Found in Indiana

Thousand-cankers disease (TCD) is caused by the canker-causing fungus Geosmithia morbida when carried by the walnut twig beetle. In an Indiana-w ...

Principal Investigator : Jennifer Juzwik

Invasive Species2014NRS
Photo of
ID: 1205
Tribal forestry provides innovations for sustainable forest management

Tribal forestry is seen by many as a model for sustainability that can be used to improve the management of all forests. A recent effort by scie ...

Principal Investigator : Mike Dockry

 2017NRS
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
ID: 1206
Urban native youth environmental education

Lacrosse is a traditional sport that has been played by American Indian tribes for thousands of years. The impact of emerald ash borer on ash t ...

Principal Investigator : Mike Dockry

 2017NRS
Photo of Image1 Forest Service Research Wildlife Biologist Richard Buech (retired), counts annual growth rings on the carapace (upper shell) of an adult wood turtle in northeastern Minnesota during the original study, 1990. Mark Nelson, USDA Forest Service
Image Donald Brown (right), West Virginia University, examines the carapace (upper shell) of an adult wood turtle in northeastern Minnesota while University of Minnesota-Duluth graduate student Madaline Cochrane (left) and Northern Michigan University student intern Stefan Nelson (center) view the plastron (lower shell) and record data during the 2015 study.
ID: 1268
“Long live the wood turtles!” is both a cheer and a fact

Forest Service researchers and their collaborators revisited a 25-year-old study and found that old turtles can deliver new knowledge about the ...

Principal Investigator : Mark D. Nelson

Inventory and Monitoring
Outdoor Recreation
Wildlife and Fish
2017NRS