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Displaying 1 - 20 of 5887

Acquiring detailed 3D fuel data for advanced fire models remains challenging, particularly at large scales. To address this need, we present FastFuels, a novel platform designed to generate detailed 3D fuel data and accelerate the use of advanced…
Author(s): Anthony Marcozzi, Lucas Wells, Russell A. Parsons, Eric V. Mueller, Rodman Linn, J. Kevin Hiers
Year Published: 2025

BackgroundFuel moisture content is a key driver of fuel flammability and subsequent fire activity and behavior worldwide. Dead fuels passively exchange moisture with the atmosphere while live fuel moisture is confounded by a mixture of seasonal…
Author(s): William Matt Jolly, Elliot T. Conrad, Tegan Brown, Samuel Hillman
Year Published: 2025

BackgroundFollowing high-severity wildfires in conifer forests that rely on wind dispersal for regeneration, reforestation practices are used to hasten the development of large, fire-resistant trees that are better able to persist through the next…
Author(s): Robert A. York, Kane W. Russell
Year Published: 2025

Forest ecology focuses on the structure, functions, and ecosystem services of forests, which is crucial for understanding the impacts of forest fires on these systems. Forest fires not only have a negative impact on forests but also threaten their…
Author(s): Burcu Tezcan, Tamer Eren
Year Published: 2025

Altered fire regimes are a global challenge, increasingly exacerbated by climate change, which modifies fire weather and prolongs fire seasons. These changing conditions heighten the vulnerability of ecosystems and human populations to the impacts…
Author(s): I. Oliveras Menor, Nuria Prat-Guitart, G.L. Spadoni, A. Hsu, P. M. Fernandes, Roger Puig-Gironès, Davide Ascoli, Bibiana A. Bilbao, Valentina Bacciu, Lluis Brotons, R. Carmenta, Sergio de-Miguel, L. G. Gonçalves, Glynis Humphrey, V. Ibarnegaray, M. W. Jones, M. S. Machado, A. Millán, R. de Morais Falleiro, F. Mouillot, Carlos Pinto, P. Pons, A. Regos, M. Senra de Oliveira, S. P. Harrison, D. Armenteras Pascual
Year Published: 2025

BackgroundForest ecosystems function as the largest terrestrial carbon sink globally. In the Western US, fires play a crucial role in modifying forest carbon storage, sequestration capacity, and the transfer of carbon from live to dead carbon pools…
Author(s): Panmei Jiang, Matthew B. Russell, Chad Babcock, Lee E. Frelich
Year Published: 2025

As ecosystem disturbances increase due to human induced global change, accurately quantifying ecosystem resilience has never been more critical. This study introduces a spatially explicit Ecosystem Resilience Index (ERI), that integrates vegetation…
Author(s): Marie Johnson, Ashley Ballantyne, Jon Graham, Zachary A. Holden, Zachary Hoylman, Kelsey Jensco, David Ketchum, John Kimball, Jessica Mitchell
Year Published: 2025

Background. The increased interest in why and how trees die from fire has led to several syntheses of the potential mechanisms of fire-induced tree mortality. However, these generally neglect to consider experimental methods used to simulate fire…
Author(s): Alistair M. S. Smith, Raquel Partelli-Feltrin, Aaron M. Sparks, James G. Moberly, Henry D. Adams, Dylan W. Schwilk, Wade T. Tinkham, John R. Kok, David R. Wilson, Alex Thompson, Andrew T. Hudak, Chad M. Hoffman, James A. Lutz, Alexander S. Blanco, Mark A. Cochrane, Robert L. Kremens, Joseph Dahlen, Grant Harley, Scott W. Rainsford, Li Huang, Douglas D. Hardman, Luigi Boschetti, Daniel M. Johnson
Year Published: 2025

Background: Pyrogenic organic matter (PyOM) represents a relatively persistent component of soil carbon stocks. Although subsequent fires have the potential to combust or alter preexisting PyOM stocks, simulating soil heating faces important…
Author(s): Mengmeng Lou, Kara M. Yedinak, Keith J. Bourne, Thea Whitman
Year Published: 2025

BackgroundTo combat losses and threats from fire exclusion and extreme wildfire events, communities in the United States are increasingly self-organizing through locally led Prescribed Burn Associations (PBAs) to plan and implement prescribed burns…
Author(s): A. Deak, Jenn Fawcett, Lenya N. Quinn-Davidson, Chris Adlam, John R. Weir, Jeffery Stackhouse
Year Published: 2025

Wildfires and other disturbances play a fundamental role in regenerating lodgepole pine forests. Though severe, stand-replacing fires are typical of this ecosystem, they can have dramatic impacts on soil properties and biogeochemical processes that…
Author(s): Sophia Kaiser, Timothy S. Fegel, David M Barnard, Adam L. Mahood, Kya Sparks, Kaela K. Amundson, Michael J. Wilkins, Charles C. Rhoades
Year Published: 2025

Many barriers prevent ranchers from supporting prescribed fire on grazing leases or their own land. Barriers include negative perceptions of fire resources limitations, and fear of liability. We surveyed ranching landowners around four National…
Author(s): Kaylee Boland, Devan A. McGranahan, Benjamin A. Geaumont, Carissa L. Wonkka, Jacqueline P. Ott, Urs P. Kreuter
Year Published: 2025

Forest soil amendments are increasingly used in western US forests to dispose of unmerchantable woody residues, reduce wildfire risk, and improve soil properties. Our objective was to determine the effect of fertilizer and organic amendments on tree…
Author(s): Deborah S. Page-Dumroese, Martin F. Jurgensen, Chris A. Miller, Joanne M. Tirocke, Derek N. Pierson, Cole Mayn, Mark J. Kimsey, Haley C. Anderson
Year Published: 2025

Background. Wildfires, prescribed fires and slash-pile burns are disturbances that occur in many terrestrial ecosystems. Such fires produce variable surface heat fluxes causing a spectrum of effects on soil, such as seed mortality, nutrient loss,…
Author(s): Peter R. Robichaud, William J. Massman, Anthony S. Bova, Antonio Girona-García, Andoni Alfaro-Leranoz, Nancy E. Gibson
Year Published: 2025

Rapid increases in wildfire area burned across North American forests pose novel challenges for managers and society. Increasing area burned raises questions about whether, and to what degree, contemporary fire regimes (1984-2022) are still departed…
Author(s): Sean A. Parks, Christopher H. Guiterman, Ellis Q. Margolis, Margaret Lonergan, Ellen Whitman, John T. Abatzoglou, Donald A. Falk, James D. Johnston, Lori D. Daniels, Charles W. Lafon, Rachel A. Loehman, Kurt F. Kipfmueller, Cameron Naficy, Marc-Andre Parisien, Jeanne Portier, Michael C. Stambaugh, A. Park Williams, Andreas P. Wion, Larissa L. Yocom
Year Published: 2025

Increasing aridity has driven widespread synchronous fire occurrence in recent decades across North America. The lack of historical (pre-1880) fire records limits our ability to understand long-term continental fire-climate dynamics. The goal of…
Author(s): Ellis Q. Margolis, Andreas P. Wion, John T. Abatzoglou, Lori D. Daniels, Donald A. Falk, Christopher H. Guiterman, James D. Johnston, Kurt F. Kipfmueller, Charles W. Lafon, Rachel A. Loehman, Maggie Lonergan, Cameron Naficy, Marc-Andre Parisien, Sean A. Parks, Jeanne Portier, Michael C. Stambaugh, Ellen Whitman, A. Park Williams, Larissa Yocum
Year Published: 2025

Wildfires can impact the availability of insect habitat, including nesting habitat. We studied the effects of wildfire burn severity on cavity-nesting bee and wasp abundance and diversity, and nesting habitat across burn severities (high, low,…
Author(s): Shannon K. Murphy, Alaina Smith
Year Published: 2025

Canopy height models (CHMs) with sufficient resolution to distinguish individual trees are useful for a variety of applications. However, standard techniques to acquire such data, such as airborne lidar surveying, are often prohibitively expensive.…
Author(s): Charles J. Abolt, Javier E. Santos, Adam L. Atchley, Lucas Wells, Daithi Martin, Russell A. Parsons, Rodman Linn
Year Published: 2025

This research brief discusses considerations for prescribed burning and fuels treatments in whitebark pine, including best practices and layout options for large- and small-scale treatments.
Author(s): Sharon M. Hood
Year Published: 2025

Background: Existing fire spread models focus exclusively on wildland or urban fire simulation.Aims: This study aims at an offline coupling of two fire spread models to enable a continuous simulation of a wildfire incident transitioning from…
Author(s): Fernando Szasdi-Bardales, Kasra Shamsaei, Timothy W. Juliano, Branko Kosović, Hamed Ebrahimian, Negar Elhami-Khorasani
Year Published: 2025