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Displaying 21 - 40 of 5349

Background ‘Megafire’ is an emerging concept commonly used to describe fires that are extreme in terms of size, behaviour, and/or impacts, but the term’s meaning remains ambiguous. Approach We sought to resolve ambiguity surrounding the meaning of ‘…
Author(s): Grant D. Linley, Chris J. Jolly, Tim S. Doherty, William L. Geary, Dolors Armenteras, Claire M. Belcher, Rebecca Bliege Bird, Andrea Duane, Michael-Shawn Fletcher, Melisa A. Giorgis, Angie Haslem, Gavin M. Jones, Luke T. Kelly, Calvin F. K. Lee, Rachael H. Nolan, Catherine L. Parr, Juli G. Pausas, Jodi N. Price, Adrián Regos, Euan G. Ritchie, Julien Ruffault, Grant J. Williamson, Qianhan Wu, Dale G. Nimmo
Year Published:

The precipitous decline of the keystone species whitebark pine (Pinus albicaulis Engelm.) has resulted in dramatic changes to many high elevation ecosystems in the western U.S. and Canada. To restore these ecosystems, there is a need to establish…
Author(s): M. B. Jenkins, Anna W. Schoettle, Jessica W. Wright, Karl A. Anderson, Joseph Fortier, Linh Hoang, Tony Incashola, Robert E. Keane, Jodie Krakowski, Dawn M. LeFluer, Sabine Mellmann-Brown, Elliot D. Meyer, ShiNaasha Pete, Katherine M. Renwick, Robert Sissons
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Forested watersheds provide many ecosystem services, such as the filtration of sediment, pollutants, and nutrients, which are increasingly threatened by wildfire. Stream nutrient concentrations often increase following wildfire and can remain…
Author(s): Allison E. Rhea, Tim Covino, Charles C. Rhoades, Alexander C. Brooks
Year Published:

(1) Background: Federal land managers in the US are charged with risk-based decision-making which requires them to know the risk and to direct resources accordingly. Without understanding the specific factors that produce risk, it is difficult to…
Author(s): Erin Noonan-Wright, Carl A. Seielstad
Year Published:

Fire location and burning area are essential parameters for estimating fire emissions. However, ground-based fire data (such as fire perimeters from incident reports) are often not available with the timeliness required for real-time forecasting.…
Author(s): Amy Marsha, Narasimhan K. Larkin
Year Published:

As the effects of climate change accumulate and intensify, resource managers juggle existing goals and new mandates to operationalize adaptation. Fire managers contend with the direct effects of climate change on resources in addition to climate-…
Author(s): Martha Sample, Andrea E. Thode, Courtney L. Peterson, Michael R. Gallagher, William T. Flatley, Megan Friggens, Alexander M. Evans, Rachel A. Loehman, Shaula J. Hedwall, Leslie A. Brandt, Maria K. Janowiak, Christopher W. Swanston
Year Published:

Rapidly scaling up the use of prescribed fire is being promoted as an important pathway for reducing the growing damages of wildfire events in the United States, including limiting the health impacts from smoke emissions. However, we do not…
Author(s): Benjamin A. Jones, Shana McDermott, Patricia A. Champ, Robert P. Berrens
Year Published:

Whitebark pine (Pinus albicaulis Engelm.), a high-elevation five-needle white pine (Genus Pinus, Subgenus Strobus), inhabits the higher mountains of western U.S. and Canada, across about 32.6 million ha (about 80.6 million acres), with 70% of its…
Author(s): Diana F. Tomback, Eric Sprague
Year Published:

Researchers and practitioners often emphasize the importance of effective community engagement around forest management projects to address possible barriers to implementation related to a lack of social acceptance. Using qualitative methods, we…
Author(s): Katie McGrath Novak, Sarah M. McCaffrey, Courtney Schultz
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Wildland firefighters must be able to maintain situational awareness to ensure their safety. Crew members, including lookouts and crew building handlines, rely on visibility to assess risk and communicate changing conditions. Geographic information…
Author(s): Katherine A. Mistick, Philip E. Dennison, Michael J. Campbell, Matthew P. Thompson
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Wildland fuels, defined as the combustible biomass of live and dead vegetation, are foundational to fire behavior, ecological effects, and smoke modeling. Along with weather and topography, the composition, structure and condition of wildland fuels…
Author(s): Susan J. Prichard, Eric Rowell, Andrew T. Hudak, Robert E. Keane, E. Louise Loudermilk, Duncan C. Lutes, Roger D. Ottmar, Linda M. Chappell, John Hall, Benjamin Hornsby
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Background: Virtually every decision within wildland fire management includes substantial ethical dimensions. As pressures increase with ever-growing fires, it is becoming increasingly important to develop tools for assessing and acting on the…
Author(s): Dyllan Goldstein, Eric B. Kennedy
Year Published:

Forest fires are key ecosystem modifiers affecting the biological, chemical, and physical attributes of forest soils. The extent of soil disturbance by fire is largely dependent on fire intensity, duration and recurrence, fuel load, and soil…
Author(s): Alex Amerh Agbeshie, Simon Abugre, Thomas Atta-Darkwa, Richard Awuah
Year Published:

Active forest restoration programs on western US national forests face multiple challenges to meet their broad ecological goals while designing projects that generate sufficient revenue to build and maintain private forest management capacity needed…
Author(s): Pedro Belavenutti, Alan A. Ager, Michelle A. Day, Woodam Chung
Year Published:

Data on wildfire growth are useful for multiple research purposes but are frequently unavailable and often have data quality problems. For these reasons, we developed a protocol for collecting daily burned area time series from the InciWeb website,…
Author(s): Harry Podschwit, Brian E. Potter, Narasimhan K. Larkin
Year Published:

Purpose of Review Fire and insects are major disturbances in North American forests. We reviewed literature on the effects of fire on bark beetles, defoliators, and pollinators, as well as on the effects of bark beetle and defoliator epidemics on…
Author(s): Christopher J. Fettig, Justin B. Runyon, Crystal S. Homicz, Patrick M. A. James, Michael D. Ulyshen
Year Published:

Ecological resilience is the capacity of a system to maintain function following disturbance. With the frequency and severity of wildfire activity increasing due to warmer and drier global climate conditions, there are increasing reports of declines…
Author(s): Rebecca K. Gibson, Laura White, Samuel Hislop, Rachael H. Nolan, Josh Dorrough
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Background: Model simulations of wildfire spread and assessments of their accuracy are needed for understanding and managing altered fire regimes in semiarid regions. The accuracy of wildfire spread simulations can be evaluated from post hoc…
Author(s): Samuel Price, Matthew J. Germino
Year Published:

There remains a high level of ambiguity around post-fire grazing management. The Lodgepole Complex fire burned 109,346 ha in east-central Montana in July 2017, including areas previously burned in 2003 by the Bureau of Land Management for fuels…
Author(s): Amanda R. Williams, Lance T. Vermeire, Richard C. Waterman, Clayton B. Marlow
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Background: Adverse effects of wildfires can be mitigated within fuel treatments, but empirical evidence of their effectiveness across large areas is needed to guide design and implementation at the landscape level. We conducted a systematic…
Author(s): Shawn T. McKinney, Ilana L. Abrahamson, Theresa B. Jain, Nathaniel Anderson
Year Published: