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An analysis of a dataset (n = 58) of high-intensity wildfire observations in cured grasslands from southern Australia revealed a simple relationship suitable for quickly obtaining a first approximation of a fire’s spread rate under low dead fuel…
Author(s): Miguel G. Cruz, Martin E. Alexander, Musa Kilinc
Year Published:

Although bull trout (Salvelinus confluentus) and tailed frogs (Ascaphus montanus) have co-existed in forested Pacific Northwest streams for millennia, these iconic cold-water specialists are experiencing rapid environmental change caused by a…
Author(s): David S. Pilliod, Robert S. Arkle, Russell F. Thurow, Daniel J. Isaak
Year Published:

Wildland fire suppression presents a working environment that often exceeds an energy expenditure of 20 MJ/day. Despite high levels of chronic physical exertion, we have noted maladaptive alterations in adiposity and blood lipids in a small cohort…
Author(s): Alejandro M. Rosales, Patrick S. Dodds, Walter S. Hailes, Joseph A. Sol, R.H. Coker, John C. Quindry, Brent Ruby
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Post-fire landscapes are the frontline of forest ecosystem change. As such, they represent opportunities to foster conditions that are better adapted to future climate and wildfires with post-fire management. In western US landscapes, post-fire…
Author(s): Andrew J. Larson, Sean M.A. Jeronimo, Paul F. Hessburg, James A. Lutz, Nicholas A. Povak, C. Alina Cansler, Van R. Kane, Derek J. Churchill
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A detailed description is given of double burner fire whirls that are similar in structure to the type of combined whirls seen in nature. The whirls are generated using the fixed frame method, and two burners are placed symmetrically about the…
Author(s): Katherine A. Hartl, Alexander J. Smits
Year Published:

Invasions of native plant communities by non-native species present major challenges for ecosystem management and conservation. Invasive annual grasses such as cheatgrass, medusahead, and ventenata are pervasive and continue to expand their…
Author(s): Bryan C. Tarbox, Nathan D. Van Schmidt, Jessica E. Shyvers, D. Joanne Saher, Julie A. Heinrichs, Cameron L. Aldridge
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Fire behavior and intensity vary within and between fires, mediated by factors such as slope, aspect, elevation, fuel loading and vegetation type. These influences create a mosaic of burn severity, shaping forests around the world. These burn…
Author(s): Brooke R. Saari
Year Published:

Societies must learn to live with, and adapt to wildfire risk. Here we examine wildfire governance and policy in British Columbia (BC), Canada over the last two decades, to examine how policy lessons are drawn from wildfire events. We focus on…
Author(s): William Nikolakis, Emma Roberts
Year Published:

At a fundamental level, smoke from wildland fire is of scientific concern because of its potential adverse effects on human health and social well-being. Although many impacts (e.g., evacuations, property loss) occur primarily in proximity to the…
Author(s): Sarah M. McCaffrey, Ana G. Rappold, Mary Clare Hano, Kathleen M. Navarro, Tanya F. Phillips, Jeffrey P. Prestemon, Ambarish Vaidyanathan, Karen L. Abt, Colleen Reid, Jason D. Sacks
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Research about soil hydrology after wildfire has widely investigated the impacts of many post-fire management strategies on ecosystems with different characteristics. However, despite this ample literature, clear guidelines about the effectiveness…
Author(s): Demetrio Antonio Zema
Year Published:

Strong and variable winds in thunderstorm outflow boundaries interact with wildland fires, often spreading flames faster to threaten firefighter safety and amplify economical destruction. These boundaries are difficult to detect in complex terrain…
Author(s): Katja Friedrich, Julie Lundquist
Year Published:

Key to the long-term resilience of dryland ecosystems is the recovery of foundation plant species following disturbance. In ecosystems with high interannual weather variability, understanding the influence of short-term environmental conditions on…
Author(s): Alexandra K. Urza, Peter J. Weisberg, David Board, Jeanne C. Chambers, Stanley G. Kitchen, Bruce A. Roundy
Year Published:

Numerous studies have linked outdoor levels of PM2.5, PM10, NO2, O3, SO2, and other air pollutants to significantly higher rates of Covid 19 morbidity and mortality, although the rate in which specific concentrations of pollutants increase Covid 19…
Author(s): Luke Curtis
Year Published:

Increased demand for timber, the reduction in the available timber resources, and more frequent and severe forest fires under a changing climate have increased the use of salvage logging in North American forests despite concerns regarding impacts…
Author(s): Fidèle Bognounou, Lisa A. Venier, Steven L. Van Wilgenburg, Isabelle Aubin, Jean-Noel Candau, Andre Arsenault, Christian Hebert, Jacques Ibarzabal, Samantha J. Song, Louis De Grandpré
Year Published:

Purpose: To understand the association between heart rate variability and indices of fatigue, total sleep time, and reaction time in shift workers. Methods:Ten participants from the British Columbia Wildfire Service management team were examined…
Author(s): Andrew T. Jeklin, Andrew S. Perrotta, Hugh W. Davies, Shannon S. D. Bredin, Dion A. Paul, Darren E. R. Warburton
Year Published:

Managed wildfires, naturally ignited wildfires that are managed for resource benefit, have the potential to reduce fuel loads and minimize the effects of future wildfires, but have been utilized mainly in remote settings. A new policy federal…
Author(s): Jose M. Iniguez, Andrea E. Thode, Sarah M. McCaffrey, Alexander M. Evans, Marc D. Meyer, Shaula J. Hedwall
Year Published:

Wildfires pose significant risks to populations living in the Wildland-Urban Interface (WUI). We examine the influence of WUI residents’ risk perceptions as well as other cognitive constructs (guided by Protection Motivation Theory) likely to…
Author(s): Lauren Nicole Dupey Larsen, Peter D. Howe, Mark W. Brunson, Larissa L. Yocom, Darren McAvoy, E. Helen Berry, Jordan W. Smith
Year Published:

Whitebark pine (Pinus albicaulis) (PIAL) is a proposed threatened species that plays a keystone ecological role in the Greater Yellowstone Ecosystem (GYE). Its population response to climate change is of high interest to managers because climate-…
Author(s): Andrew J. Hansen, Alyson East, Robert E. Keane, Matt Lavin, Kristin Legg, Zachary A. Holden, Chris Toney, Franklin Alongi
Year Published:

Evapotranspiration (ET) accounts for a substantial portion of regional water budgets in much of the southeast and fire-prone western United States (US). Even small changes in ET rates can translate to meaningful shifts in runoff patterns and makes…
Author(s): Natalie M. Collar, Samuel Saxe, Ashley J. Rust, Terri S. Hogue
Year Published:

Extensive, severe wildfires, and wildfire‐induced smoke occurred across the western and central United States since August 2020. Wildfires resulting in the loss of habitats and emission of particulate matter and volatile organic compounds pose…
Author(s): Di Yang, Anni Yang, Jue Yang, Rongting Xu, Han Qiu
Year Published: