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Displaying 961 - 980 of 5651

Wildland firefighters are exposed to health hazards including inhaling hazardous pollutants from the combustion of live and dead vegetation (smoke) and breathe soil dust, while working long shifts with no respiratory protection. This research brief…
Author(s): Kathleen M. Navarro, Linda Mutch
Year Published:

This study contributes to the understanding of the relationship between crisis management procedures and local resilience responses. Utilizing the context of the 416 wildfire in southwest Colorado during the summer of 2018, this study proposes that…
Author(s): Elizabeth A. Cartier, Lorraine L. Taylor
Year Published:

Restoration and rehabilitation treatments that manipulate vegetation can be expensive to implement but are infrequently evaluated to determine whether spending more improves intended outcomes. We assessed commonly implemented vegetation treatments…
Author(s): Seth Munson, Ethan O. Yackulic, Lucas S. Bair, Stella M. Copeland, Kevin L. Gunnell
Year Published:

Land treatments in wildland-urban interface (WUI) areas are highly visible and subject to public scrutiny and possible opposition. This study examines a contested vegetation treatment-Forsythe II-in a WUI area of the Arapaho-Roosevelt National…
Author(s): Hannah Brenkert-Smith, Jody L. Jahn, Eric A. Vance, Juan Ahumada
Year Published:

Background: Wildfire events are increasing in prevalence in the western United States. Research has found mixed results on the degree to which exposure to wildfire smoke is associated with an increased risk of mortality. Methods: We tested for an…
Author(s): Annie Doubleday, Jill Schulte, Lianne Sheppard, Matthew C. Kadlec, Ranil Dhammapala, Julie Fox, Tania M. Busch Isaksen
Year Published:

Increasingly frequent large wildfires in the western US raise questions about the effects of climate and site-level factors on forest ecosystem resilience. This study presents findings from seedling and sapling surveys conducted across 179 sites 15–…
Author(s): Angela Boag, Mark J. Ducey, Michael W. Palace, Joel Hartter
Year Published:

Wildfires are becoming more prevalent and are impacting forests, watersheds and important resources. Hydrologic and geomorphic processes following wildfires can include erosion flooding, and degraded water quality. To mitigate these secondary…
Author(s): Viet D. Vo, Alicia M. Kinoshita
Year Published:

Globally, fire regimes are being altered by changing climatic conditions. New fire regimes have the potential to drive species extinctions and cause ecosystem state changes, with a range of consequences for ecosystem services. Despite the co-…
Author(s): Rachael H. Nolan, Chris J. Blackman, Víctor Resco de Dios, Brendan Choat, Belinda Medlyn, Ximeng Li, Ross A. Bradstock, Matthias M. Boer
Year Published:

Accumulating data indicate the importance of fire in rangeland systems. Mowing is a common management technique sometimes considered a surrogate for fire. However, direct comparisons of fire and mowing effects are limited. Our objective was to…
Author(s): Lance T. Vermeire, Dustin J. Strong, Emily A. Gates, Clayton B. Marlow, Richard C. Waterman
Year Published:

The increasing amount of high-severity wildfire in historical low and mixed-severity fire regimes in western US forests has created a need to better understand the ecological effects of different post fire management approaches. For three different…
Author(s): Morris C. Johnson, Maureen C. Kennedy, Sarah C. Harrison, Derek J. Churchill, James Pass, Paul W. Fischer
Year Published:

Homeowners in the Wildland Urban Interface (WUI) are strongly encouraged to protect their property from the risk of damage from forest fires. FireSmart Canada, similar to Firewise used in the United States, and Community Fireguard, Community…
Author(s): Mohamed Ergibi, Hayley Hesseln
Year Published:

A simple, easy-to-evaluate, surrogate model was developed for predicting the particle emission source term in wildfire simulations. In creating this model, we conceptualized wildfire as a series of flamelets, and using this concept of flamelets, we…
Author(s): Alexander J. Josephson, Troy M. Holland, Sara Brambilla, Michael J. Brown, Rodman Linn
Year Published:

Fire in wetlands is poorly understood, yet hazard reduction burns are a common management practice and bushfires are becoming increasingly prevalent because of climate change. Fire may have long-lasting implications for the microbial component of…
Author(s): Nicole A. Christiansen, Kirstie A. Fryirs, Timothy J. Green, Grant C. Hose
Year Published:

Fire exclusion has dramatically altered historically fire adapted forests across western North America. In response, forest managers reduce forest fuels with mechanical thinning and/or prescribed burning to alter fire behavior, with additional…
Author(s): Harold S. Zald, Becky K. Kerns, Michelle A. Day
Year Published:

Shifting fire regimes are substantially changing North American forests. It is thus critical to understand how wildfires affect forest wildlife, especially for species managed for harvest and for species at risk of extinction. In particular, many…
Author(s): Logan A. Volkmann, Jenna Hutchen, Karen E. Hodges
Year Published:

We need a comprehensive strategy to improve collaboration and capacity for wildland fire science in North America. Every year, wildfires burn across large areas of Continental North America. These fires recognize no political boundaries; some cross…
Author(s): Diego Pérez Salicrup, Stacy Sankey, William Matt Jolly, Jonathan Boucher, Eric Toman, Christy Arseneau, Michael Norton
Year Published:

Accumulation of dead woody material is a critical management concern following wildfires, especially given the possibility of subsequent wildfires. Forest structure and fuel accumulation are largely driven by site climatic conditions, so variability…
Author(s): Camille Stevens-Rumann, Andrew T. Hudak, Penelope Morgan, Alex Arnold, Eva K. Strand
Year Published:

Using observations and model simulations (ESM 4.1) during 1988–2018, we show large year‐to‐year variability in western U.S. PM2.5 pollution caused by regional and distant fires. Widespread wildfires, combined with stagnation, caused summer PM2.5…
Author(s): Yuanyu Xie, Meiyun Lin, Larry W. Horowitz
Year Published:

Wildfires change plant community structure and impact wildlife habitat and population dynamics. Recent wildfire‐induced losses of big sagebrush (Artemisia tridentata ) in North American shrublands are outpacing natural recovery and leading to…
Author(s): David A. Pyke, Robert K. Shriver, Robert S. Arkle, David S. Pilliod, Cameron L. Aldridge, Peter S. Coates, Matthew J. Germino, Julie A. Heinrichs, Mark A. Ricca, Scott E. Shaff
Year Published:

Background: Wildfires affect vegetation structure, functions, and other attributes of forest ecosystems. Among these attributes, bird assemblages may be influenced by the distance from undisturbed to fire-disturbed forests. Information about this…
Author(s): Adriana Marisel Morales, Natalia Politi, Luis Osvaldo Rivera, Constanza Guadalupe Vivanco, Guillermo E. Defosse
Year Published: