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Research Papers, Notes and FIA Bulletins

Allometric equations are widely used to estimate forest aboveground biomass (AGB). However, their development rarely includes the oldest and largest trees, leading to estimation errors. Black locust (Robinia pseudoacacia) is an early successional nitrogen-fixing tree, native to the Eastern United States.
The USDA Forest Service Rocky Mountain Research Station (RMRS) and Intermountain Region (R4) are modeling an approach to how National Forest System management and science can work together in meaningful ways with tangible results. The R4-RMRS Science Partner Program actively cultivates relationships between research scientists and land managers to co-produce new knowledge and land management approaches.
Wildfire affects many types of communities and is a particular concern for communities in the wildland urban interface (WUI), such as Chalk Creek in Chaffee County. The core intent of this project was to provide evidence to support Colorado State Forest Service (CSFS) Salida Field Office’s wildfire mitigation and education program.
This report traces the flow of Montana’s 2018 timber harvest through the primary wood-using industries; provides a description of the structure, capacity, and condition of Montana’s primary forest products industry; and quantifies volumes and uses of wood fiber. Historical wood products industry changes are discussed, as well as changes in harvest, production, employment, and sales. objectives.
This report traces the flow of timber harvested in the “Four Corners” States (Arizona, Colorado, New Mexico, and Utah) during calendar year 2016, describes the composition and operations of the region’s primary forest products industry, and quantifies volumes and uses of wood fiber. Recent wood products industry changes are discussed, as well as trends in timber harvest, production, and sales of primary wood products.
This report traces the flow of Wyoming’s 2018 timber harvest through the primary wood products industry and characterizes the structure, capacity, and condition of Wyoming’s forest products sector. Trends in timber harvest, production, sawmill capacity, mill residuals, and sales value are presented. Employment and worker earnings in the State’s primary and secondary forest products industries are also discussed.
Globally, more carbon is stored in the soil than in any other terrestrial form (Brevik 2013; Woodall et al. 2015). Soil organic carbon (SOC) may contain more than three times the carbon found in the atmosphere and terrestrial vegetation combined (Qafoku 2014). Soil organic carbon is derived from soil organic matter (i.e., decomposition of living organisms) and is generally about 58 percent of soil organic matter by weight (Pribyl 2010).
This report presents considerations of potential hazards and mitigation measures associated with conducting field research in the context of a pathogenic epidemic or pandemic situation.
The Wildfire Research Center (WiRe Center) works with wildfire practitioners seeking to create communities that are adapted to wildfire using an evidenced-based approach. Historically, immediate threats and wildfire suppression have garnered much attention and resources. While these efforts remain critical, getting in front of the problem by promoting pathways to fire adaptation is of paramount importance.
A study of commercial timber-harvesting sites in Arizona and New Mexico was conducted from 2012 to 2017 to estimate growing-stock removals, characterize current tree utilization and logging operations, and assist with estimating the amount of woody biomass left on-site after harvesting. Fifty-four sample logging sites were selected within major geographic regions proportional to regional five-year timber harvests.

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