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Highlight IDTitleStrategic Program Area(s)YearStation
Photo of Close-up view of hands surrounding a freshly-planted pine tree seedling
ID: 1454
Another Benefit of Reforestation: Soil Carbon Sequestration

The rate of carbon sequestration in forests is projected to decline in the decades ahead, largely because more forest land will be developed and ...

Principal Investigator : Grant M. Domke

Wildlife and Fish
Water, Air, and Soil
Inventory and Monitoring
Outdoor Recreation
2018NRS
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 Trees in New York City Central Park. Dave Nowak, USDA Forest Service
ID: 472
Carbon Sequestration by Urban Trees Valued in the Billions of Dollars Annually

Forest Service scientists quantified carbon storage and sequestration by urban trees in the United States to assess the magnitude and role of ur ...

Principal Investigator : David J. Nowak

Resource Management and Use2013NRS
Photo of Tree cover change in urban areas by state
ID: 1431
Declining U.S. Urban Tree Cover

Urban forests in the United States conservatively provide over $18 billion in annual benefits. Between 2009 and 2014, tree cover in urban areas ...

Principal Investigator : David J. Nowak

Resource Management and Use
Water, Air, and Soil
Inventory and Monitoring
Outdoor Recreation
2018NRS
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 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 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 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 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 Urban forest species composition as a percentage of all trees, Austin, Texas. This data and more are included in FIA’s first published urban report: Austin’s Urban Forest, 2014. Tonya Lister, U.S. Department of Agriculture Forest Service.
ID: 1164
Forest Inventory and Analysis is Coming to a City Near You

In collaboration with state and local partners, the U.S. Forest Service’s Forest Inventory and Analysis Program (FIA) has begun monitoring the ...

Principal Investigator : Tonya Lister

Inventory and Monitoring2016NRS
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 U.S. forest ownership map. Jake Hewes, USDA Forest Service
ID: 628
Forest Ownership Map of the Conterminous United States

Nearly two-thirds of the forests of the conterminous U.S. are privately owned, not publicly owned, as many assume. To help clear up this underst ...

Principal Investigator : Brett J. Butler

Inventory and Monitoring2014NRS
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 i-Tree user distribution by country.
ID: 1219
i-Tree grows to more than 180,000 users in 130 countries

i-Tree is a series of freely available tools that aid people in quantifying the benefits and values derived from trees and forests and in under ...

Principal Investigator : David J. Nowak

Outdoor Recreation
Inventory and Monitoring
2017NRS
Photo of Local children playing in an agricultural area converted from forest in northern Thailand. Linda S. Heath, USDA Forest Service
ID: 493
Improving Forest Inventory and Monitoring Capacity in Countries of the World

Efficient national and subnational level inventory and monitoring systems are needed to characterize carbon and other attributes of forests so t ...

Principal Investigator : Charles Scott

Inventory and Monitoring2013NRS
Photo of 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 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 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 Infestation of European buckthorn (Rhamnus cathartica L.) on left with bush honeysuckle on right. Chris Evans, River to River Cooperative Weed Management Area, Bugwood.org
ID: 68
Nature Dominates in City Tree Regeneration

Assessment of tree planting and natural regeneration in cities reveals that most trees in cities are not planted

Principal Investigator : David J. Nowak

Resource Management and Use2012NRS
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 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 percentage of hardwood lumber used in higher-value products has decreased in recent years. William Luppold, U.S. Department of Agriculture Forest Service.
ID: 1077
Shifts in U.S. Hardwood Lumber Consumption

After the Great Recession, hardwood lumber consumption declined by 43 percent from the peak in 1999. The corresponding changes in consumption pa ...

Principal Investigator : William Luppold

Resource Management and Use2016NRS
Photo of Estimated removal per square kilometer of land (tonnes km2) of all pollutants (NO2, O3, PM2.5, SO2) by trees per county in 2010. USDA Forest Service
ID: 634
Trees Improve Human Health and Save Lives

Air pollution is a serious health concern. Trees offer surfaces that remove gaseous and particulate air pollutants. Modeling of local environmen ...

Principal Investigator : David J. Nowak

Resource Management and Use2014NRS
Photo of
ID: 89
U.S. Urban Tree Cover Declining

Analysis of aerial images reveals that U.S. urban areas are losing about 20,000 acres of tree cover per year

Principal Investigator : David J. Nowak

Resource Management and Use2012NRS
Photo of Forest Ownership map. U.S. Department of Agriculture Forest Service.
ID: 1118
Understanding the National Woodland Owners Survey

An estimated 11 million family forest ownerships control 36 percent of the forestland across the United States, more land than any other ownersh ...

Principal Investigator : Brett J. Butler

Inventory and Monitoring2016NRS
Photo of
ID: 218
Urban and Community Forest Summaries for the Lower 48 States

NRS scientist David Nowak and others have recently published several important summaries of tree and forest information.

Principal Investigator : David J. Nowak

Resource Management and Use2010NRS
Photo of Trees alter the microclimate around buildings and affect energy use.
ID: 1216
Urban Trees Save Billions of Dollars Through Reduced Energy Costs

Trees in U.S. urban and community areas reduce residential energy use by an average of 7.2 percent, which equates a national savings of $7.8 bil ...

Principal Investigator : David J. Nowak

Outdoor Recreation
Inventory and Monitoring
2017NRS
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 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