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Firebrand spotting is a major cause for structure losses in wildland-urban interface (WUI) fires. When firebrands land nearby and accumulate into groups or piles, they can act as a more competent ignition source compared to single firebrands. While…
Author(s): Luqing Zhu, James Urban
Year Published:

Increasing fire activity and the associated degradation in air quality in the United States has been indirectly linked to human activity via climate change. In addition, direct attribution of fires to human activities may provide opportunities for…
Author(s): Therese S. Carter, Colette L. Heald, Noelle E. Selin
Year Published:

Background Wildfire management is increasingly shifting from firefighting to wildfire prevention aiming at disaster risk reduction. This implies fuel and landscape management and engagement with stakeholders. This transition is comparable to the…
Author(s): Hugo A. Lambrechts, Spyridon Paparrizos, Robijn Brongersma, Carolien Kroeze, Falco Ludwig, Cathelijine Stoof
Year Published:

Disruption of photosynthesis and carbon transport due to damage of the tree crown and stem cambial cells, respectively, can cause tree mortality. It has recently been proposed that fire-induced dysfunction of xylem plays an important role in tree…
Author(s): Raquel Partelli Feltrin, Alistair M. S. Smith, Henry D. Adams, R. Alex Thompson, Crystal A. Kolden, Kara M. Yedinak, Daniel M. Johnson
Year Published:

Columbian sharp-tailed grouse (Tympanuchus phasianellus columbianus) are endemic to grassland and shrub-steppe ecosystems of western North America, yet their distribution has contracted to <10% of their historical range. Primary threats to…
Author(s): Bryan S. Stevens, Courtney J. Conway, Jeffrey M. Knetter, Shane B. Roberts, Patrick Donnelly
Year Published:

Wildfires are complex phenomena, both in time and space, in ecosystems. The ability to understand wildfire dynamics and to predict the behaviour of the propagating fire is essential and at the same time a challenging practice. A common approach to…
Author(s): Maryam Ghodrat, Farshad Shakeriaski, Sayyed Aboozar Fanaee, Albert Simeoni
Year Published:

Soil temperature extremes are not uncommon when woody fuels are ignited in prescribed burns or wildfires. Whether this leads to substantial loss of soil organic matter or microbial life is unclear. We created a soil heat gradient by burning four…
Author(s): Matt Busse, Carol J. Shestak, Ken R. Hubbert
Year Published:

Background In July 2012, a lightning strike ignited the Arapaho Fire in the Laramie Mountains of Wyoming and burned approximately 39,700 ha. This high-severity fire resulted in 95% mortality of ponderosa pine (Pinus ponderosa P. & C. Lawson) at…
Author(s): Stephanie M. Winters, Linda T. A. van Diepen
Year Published:

For most of the 20th century and beyond, national wildland fire policies concerning fire suppression and fuels management have primarily focused on forested lands. Using summary statistics and landscape metrics, wildfire spatial patterns and trends…
Author(s): Michele R. Crist
Year Published:

Conifer forests of the western US (West) are largely fire adapted ecosystems that historically have recovered naturally in the years to decades following wildfire. As climate change alters the extent, frequency, and severity of wildfire, and causes…
Author(s): Kimberley T. Davis
Year Published:

Conifer forests of the western US (West) are largely fire adapted ecosystems that historically have recovered naturally in the years to decades following wildfire. As climate change alters the extent, frequency, and severity of wildfire, and causes…
Author(s): Kimberly T. Davis
Year Published:

This is a synthesis of the research priorities from the 2023 Selway-Bitterroot and Frank Church-River of No Return Wilderness Fire Science Workshop as identified by participants. 
Year Published:

Conifer forests of the western US (West) are largely fire adapted ecosystems that historically have recovered naturally in the years to decades following wildfire. As climate change alters the extent, frequency, and severity of wildfire, and causes…
Author(s): Kimberley T. Davis
Year Published:

Background: Maximizing the effectiveness of fuel treatments at landscape scales is a key research and management need given the inability to treat all areas at risk from wildfire. We synthesized information from case studies that documented the…
Author(s): Alexandra K. Urza, Brice B. Hanberry, Theresa B. Jain
Year Published:

Vegetation structure affects the vulnerability of a forest to drought events and wildfires. Management decisions, such as thinning intensity and type of understory treatment, influence competition for water resources and amount of fuel available.…
Author(s): Lena Vilà-Vilardell, Miquel De Cáceres, Míriam Piqué, Pere Casals
Year Published:

Conifer forests of the western US (West) are largely fire adapted ecosystems that historically have recovered naturally in the years to decades following wildfire. As climate change alters the extent, frequency, and severity of wildfire, and causes…
Author(s): Kimberley T. Davis
Year Published:

Serotinous cones, those that remain closed until heated, confer post-disturbance resilience on many lodgepole pine forests throughout the Southern Rockies. The record-breaking extent of wildfires in northern Colorado and southern Wyoming in 2020…
Author(s): Charles C. Rhoades, Timothy S. Fegel, Robert M. Hubbard, Marin Chambers
Year Published:

This review synthesizes the scientific literature on fuel treatment economics published since 2013 with a focus on its implications for land managers and policy makers. We review the literature on whether fuel treatments are financially viable for…
Author(s): Molly E. Hunter, Michael H. Taylor
Year Published:

As 21st-century climate and fire activity depart from historical baselines, effects on forests are uncertain. Forest managers need to predict and monitor forest recovery and fuel accumulation to anticipate future fire behavior and plan appropriate…
Author(s): Kristin H. Braziunas, Monica G. Turner
Year Published:

Bark beetle outbreaks and wildfires are two of the most prevalent disturbances that influence tree mortality, regeneration, and successional trajectories in western North American forests. Subboreal forests have experienced broad overlaps in these…
Author(s): Anna C. Talucci, Garrett W. Meigs, Anders Knudby, Meg A. Krawchuk
Year Published: