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Highlight IDTitleStrategic Program Area(s)YearStation
Photo of Mountain pine beetle damage. Daniel Miller, USDA Forest Service
ID: 693
A 25-Year History of Forest Disturbance and Cause in the United States

Understanding trends in forest disturbance caused by fire, harvest, stress, weather, and conversion is important for many forest management deci ...

Principal Investigator : Gretchen Moisen

Inventory and Monitoring2014RMRS
Photo of A Forest Service inventory specialist entering data in a pinyon/juniper woodland. USDA Forest Service
ID: 545
Annual Inventory of New Mexico's Forests More Accurate Thanks to Stratification Key

The Forest Inventory and Analysis Program must provide unbiased estimates of forest area. An accurate baseline of New Mexico's forests and futu ...

Principal Investigator : Sara A. Goeking

Inventory and Monitoring2013RMRS
Photo of
ID: 277
Aspen forest trends in the Interior West

Aspen death in parts of the Interior West, including Colorado and Utah, has been alarming in recent years. While loss of aspen in localized area ...

Principal Investigator : Michael J. Wilson

Resource Management and Use2010RMRS
Photo of Participants and Facilitators of the Ecuadorian National Forest Inventory Workshop in Quito, Ecuador. U.S. Department of Agriculture Forest Service.
ID: 1151
Assisting Countries in the Development of Statistically Valid Estimates of Forest Attributes

Carbon sequestration is an important element in the discussion towards limiting the impacts of climate change. There are proposals to pay tropic ...

Principal Investigator : Tracey Frescino

Inventory and Monitoring2016RMRS
Photo of Black Fingers of Death field study in northwestern Arizona. Forest Service
ID: 386
Black Fingers of Death - the Bane of Cheatgrass

Scientists have identified a promising biocontrol organism that can kill dormant cheatgrass seeds and sometimes a high proportion of germinable ...

Principal Investigator : Susan E. Meyer

Invasive Species2011RMRS
Photo of Interior west states showing Forest Inventory and Analysis plots (black dots) and plots with tree-ring data (red dots). Justin DeRose, U.S. Department of Agriculture Forest Service.
ID: 1063
Building the Forest Inventory and Analysis Tree-ring Dataset

Tree-ring data collected as part of the Forest Inventory and Analysis program in the Interior West is being assembled into a massive dataset wit ...

Principal Investigator : R. Justin DeRose

Inventory and Monitoring
Water, Air, and Soil
2016RMRS
Photo of The seed pathogen known as
ID: 703
Cheatgrass Biocontrol with "Black Fingers of Death"

Understanding the effects of slow-growing versus fast-growing pathogen strains may be the key to successfully slow down or stop cheatgrass seed ...

Principal Investigator : Susan E. Meyer

Invasive Species2014RMRS
Photo of View of vegetative recovery five years after fire on a Colorado Plateau site includes scattered mountain big sagebrush plants that grew from seeds that survived the fire. These young plants are just large enough to begin producing seeds. Plant density on this site is sufficient to support a prediction of full sagebrush recovery in 25-35 years after the fire. Stanley G Kitchen, USDA Forest Service
ID: 704
Climate Regulates Mountain big Sagebrush Recovery After Fire

Wildland fire plays a key role in shaping natural communities on semi-arid landscapes around the world. The composition and structure of plant c ...

Principal Investigator : Stanley G. Kitchen

Wildland Fire and Fuels2014RMRS
Photo of Mountain pine beetle has killed millions of acres of pine trees, including on the Helena National Forest, Montana. Barbara Bentz, USDA Forest Service.
ID: 697
Combined Effects of a Changing Climate Drive Mountain Pine Beetle Outbreaks

An ideal combination of temperature and precipitation associated with a changing climate are responsible for recent mountai pine beetle populati ...

Principal Investigator : Barbara J. Bentz

Resource Management and Use2014RMRS
Photo of The Thompson Ridge Fire in the Jemez Mountains, taken from the Valles Caldera Bonca Bonita site (north-central New Mexico). Jeremy Marshall,  USDA Forest Service
ID: 694
Comprehensive Inventory of Forest Health Trends in New Mexico

The public, forest managers, and scientists now have the most comprehensive inventory of forest health trends in New Mexico's history. The repor ...

Principal Investigator : Sara A. Goeking

Inventory and Monitoring2014RMRS
Photo of Dead Utah juniper cross-section that has been crossdated. Inside ring is 871 AD and outside ring is 1211 AD. Justin DeRose, U.S. Department of Agriculture Forest Service.
ID: 1030
Dendrochronology of Utah Juniper

Annual precision of tree-ring data is often sought for detailed analyses. Important, widespread species such as ponderosa pine and Douglas-fir a ...

Principal Investigator : R. Justin DeRose

Water, Air, and Soil2016RMRS
Photo of Cores from a 100-year old ponderosa pine tree. USDA Forest Service
ID: 775
Dendroecological Studies in the Interior West States

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

Principal Investigator : John D. Shaw

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

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

Principal Investigator : Stanley G. Kitchen

Resource Management and Use
Water, Air, and Soil
2015RMRS
Photo of Tree rings record variations in climate, especially precipitation.  Using a large number of tree-ring records tied to Forest Inventory and Analysis plots will allow scientists to more precisely quantify the effects of post-drought growth lags over large land areas. USDA Forest Service
ID: 797
Drought Leaves a Lasting Impression on Trees

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

Principal Investigator : John D. Shaw

Inventory and Monitoring2015RMRS
Photo of Mountain pine beetle-caused whitebark pine mortality near Black Butte, MT. Barbara Bentz, U.S. Department of Agriculture Forest Service.
ID: 1172
Elevational Shifts in Thermal Suitability for Mountain Pine Beetle in a Changing Climate

By the end of the century, climate change-driven optimal temperature suitability for mountain pine beetle population growth is predicted to be g ...

Principal Investigator : Barbara J. Bentz

Resource Management and Use2016RMRS
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 : Steven D. Warren

Wildlife and Fish2010RMRS
Photo of Scientist Barbara Bentz stands next to a Great Basin bristlecone pine, which are some of the oldest trees in the west and are highly resistant to mountain pine beetle attacks.
ID: 1402
Great Basin bristlecone pines are highly resistant to mountain pine beetles

Mountain pine beetle has killed millions of pines in the past two decades. We discovered that when confined on a Great Basin bristlecone pine, a ...

Principal Investigator : Barbara J. Bentz

Resource Management and Use
Water, Air, and Soil
2017RMRS
Photo of Dead whitebark pine trees in the Frank Church-River of No Return Wilderness Area, Salmon-Challis National Forest, Idaho
ID: 1515
Landscape-scale assessments of whitebark pine

Whitebark pine (Pinus albicaulis) is an ecologically important species in high-altitude areas of the Western United States. Whitebark pine stand ...

Principal Investigator : Sara A. Goeking

Outdoor Recreation
Inventory and Monitoring
2018RMRS
Photo of A world map displaying the density of ModelMap downloads. U.S. Department of Agriculture Forest Service.
ID: 993
ModelMap Predicts Forest Characteristics Over Any Geographic Extent

Forest Service scientists created a tool, ModelMap, that can combine the Forest Inventory and Analysis plot data with remote sensing satellite i ...

Principal Investigator : Elizabeth Freeman

Inventory and Monitoring2016RMRS
Photo of Scientists are studying the genetic differences in the mountain pine beetle and its ability to respond to changing climates. USDA Forest Service
ID: 547
Mountain Pine Beetle's Ability to Cope with a Changing Climate Depends on Genetics

Recent field studies suggest that different selection pressures on northern and southern populations allow mountain pine beetle to maintain a si ...

Principal Investigator : Barbara J. Bentz

Invasive Species2013RMRS
Photo of Forest Service scientist Sean Healey (left) in front of Beijing Forestry University with Dr. Klaus von Gadow of that institution. USDA Forest Service
ID: 769
National Estimates of China’s Forests Become More Consistent and Precise, Thanks to Forest Service Scientists

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

Principal Investigator : Sean P. Healey

Inventory and Monitoring2015RMRS
Photo of
ID: 271
National Land Cover Database (NLCD) 2011 percent tree canopy product

Forest Inventory and Analysis Program scientists throughout the country are collaborating with the Remote Sensing Applications Center to develop ...

Principal Investigator : Michael J. Wilson

Inventory and Monitoring2010RMRS
Photo of Aspen stands affected by drought in southern Colorado.
ID: 1384
New report offers comprehensive inventory of Colorado’s forests

The current inventory of Colorado’s forests is the first to use the complete set of Forest Inventory and Analysis (FIA) plots across all owner ...

Principal Investigator : John D. Shaw

Outdoor Recreation
Inventory and Monitoring
Invasive Species
Wildland Fire and Fuels
2017RMRS
Photo of Current (2000) and future (2080) distribution of Forest Inventory and Analysis plots predicted to be at high risk of spruce beetle infestation based on the Canadian Global Climate Change model predictions of future temperatures. Numbers in lower right corner indicate percentage of plots with increased spruce beetle risk.  Forest Service
ID: 138
Predicting Future Spruce Beetle Infestations

Scientists model the effects of increasing temperatures and forest stand conditions on the likelihood of spruce beetle infestation over time

Principal Investigator : R. Justin DeRose

Inventory and Monitoring2012RMRS
Photo of (A) A deteriorating aspen stand. (B) A vigorous aspen stand. Response to treatment would better in (B). Justin DeRose, U.S. Department of Agriculture Forest Service.
ID: 1065
Quaking Aspen Response to Management Factors

There is considerable interest in the growth and mortality of quaking aspen in the western United States. Looking at the past 10 years of silvic ...

Principal Investigator : R. Justin DeRose

Resource Management and Use
Inventory and Monitoring
2016RMRS
Photo of Armillaria mellea is a parasitic fungus that frequently causes root disease in forests of the US. Mars 2002, Wikimedia Commons.
ID: 1000
Root Disease Quietly Holds Back Forest Carbon Storage

Dramatic disturbances such as wildfires and harvests command attention, but subtler processes such as root disease can be equally important in d ...

Principal Investigator : Sean P. Healey

Inventory and Monitoring
Wildland Fire and Fuels
2016RMRS
Photo of Research ecologist Justin DeRose extracts a tree core from an increment borer. Tree rings in a tree core not only tell the age of the tree, they also provide vital information about a tree’s growth from year to year, including periods of drought and other natural disturbances.
ID: 1387
Scientists recontruct the history of snowpack in Utah to help managers plan for future water demand

Understanding snowpack variability is an important goal of water management; in particular, in the arid west where snow represents a major water ...

Principal Investigator : R. Justin DeRose

Outdoor Recreation
Wildlife and Fish
Water, Air, and Soil
Inventory and Monitoring
2017RMRS
Photo of Fires release large amounts of carbon to the atmosphere through combustion, and create even larger amounts of dead material that breaks down and is emitted over longer time frames. U.S. Fish and Wildlife Service
ID: 550
Scientists Study the Effects of Management and Natural Disturbance on Carbon Storage in National Forests and Rangelands

Researchers combined satellite-based maps with Forest Inventory and Analyses (FIA) plot data and other resources to develop the Forest Carbon Ma ...

Principal Investigator : Sean P. Healey

Inventory and Monitoring2013RMRS
Photo of Forest Health Protection entomologist Andy Graves applies beetle repellents MCH, AKB, and a spruce beetle bait to a spruce to test repellent efficacy in a single tree protection trial.
ID: 1356
Semiochemical repellents reduce spruce beetle infestations

The spruce beetle is the most significant mortality agent of spruce in Western North America. Management options are limited but an effective se ...

Principal Investigator : Matt Hansen

Water, Air, and Soil2017RMRS
Photo of Forest impacted by the mountain pine beetle. U.S. Department of Agriculture Forest Service.
ID: 1043
Shape Selection in Landsat Time Series

Understanding trends in forest disturbance and their effects on forest parameters such as tree canopy cover and biomass is important for carbon ...

Principal Investigator : Gretchen Moisen

Inventory and Monitoring
Resource Management and Use
Wildland Fire and Fuels
Water, Air, and Soil
2016RMRS
Photo of (a) Location and species of tree-ring data collected on Forest Inventory and Analysis plots (n=2,949), (b) relationship between growth variability and latitude, (c) longitude, and (d) elevation. U.S. Department of Agriculture Forest Service.
ID: 1051
Spatial Variability of Tree Growth in the Interior West

A fundamental goal of biogeography is to understand the factors that drive spatial and temporal variability in forest growth across large areas. ...

Principal Investigator : R. Justin DeRose

Inventory and Monitoring2016RMRS
Photo of digitizing core w-slider ring.JPG: An increment core is cradled in a shallow groove of a wood block on a sliding stage, which allows the core to move along under the view of a microscope. The microscope is wired into a computer that crossdates and digitizes the core as it moves from one section to the next.
Digitizing rings w-microscope and sliding stage.png: Research Ecologist Justin DeRose views an increment core through a microscope as he measures ring widths to crossdate and digitize tree-ring features.
ID: 1392
Traumatic resin ducts indicate past beetle outbreaks

The formation of traumatic resin ducts in Engelmann spruce represents an important induced defense in response to environmental perturbations. T ...

Principal Investigator : R. Justin DeRose

Resource Management and Use
Outdoor Recreation
Invasive Species
Water, Air, and Soil
Inventory and Monitoring
2017RMRS
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 ForCaMF output showing non-soil carbon storage in all forests burned in Ravalli County, Montana, between 1999 and 2001.  The 100-year projected carbon storage following observed fire patterns and intensities (blue) is contrasted with storage associated with the same stands if no fire had occurred (green).  Error bars represent the standard deviation of 2000 simulations. Forest Service
ID: 382
Visualizing carbon storage of harvested and burned forests

New research at the Rocky Mountain Research Station has developed a process to visualize how harvested and burned stands contribute to overall c ...

Principal Investigator : Sean P. Healey

Resource Management and Use2011RMRS
Photo of A live Great Basin bristlecone pine surrounded by mountain pine beetle-killed limber pines near Mount Moriah, Nevada. Barbara Bentz, U.S. Department of Agriculture Forest Service
ID: 972
World’s Oldest Tree Species Resistant to Mountain Pine Beetle

Mountain pine beetle (MPB) is the most significant mortality agent of pines throughout western North America, and climate-driven range expansion ...

Principal Investigator : Barbara J. Bentz

Resource Management and Use2016RMRS