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Displaying 61 - 80 of 5651

Methods that integrate pre-, active-, and post-fire measurements to quantify fire effects across multiple spatial scales are needed to improve our understanding of ecological effects following fire and for informing natural resource management…
Author(s): Aaron M. Sparks, Alistair M. S. Smith, Andrew T. Hudak, Mark V. Corrao, Robert L. Kremens, Robert F. Keefe
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Increasing wildfire activity in forests worldwide has driven urgency in understanding current and future fire regimes. Spatial patterns of area burned at high severity strongly shape forest resilience and constitute a key dimension of fire regimes,…
Author(s): Michele S. Buonanduci, Daniel C. Donato, Joshua S. Halofsky, Maureen C. Kennedy, Brian J. Harvey
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Wildfires and fire seasons are commonly rated largely on the simple metric of area burned (more hectares: bad). A seemingly paradoxical narrative frames large fire seasons as a symptom of a forest health problem (too much fire), while simultaneously…
Author(s): Daniel C. Donato, Joshua S. Halofsky, Derek J. Churchill, Ryan D. Haugo, C. Alina Cansler, Annie Smith, Brian J. Harvey
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Temperate conifer forests stressed by climate change could be lost through tree regeneration decline in the interior of high-severity fires, resulting in type conversion to non-forest vegetation from seed-dispersal limitation, competition, drought…
Author(s): William L. Baker
Year Published:

Context In western US forests, the increasing frequency of large high-severity fires presents challenges for society. Quantifying how fuel conditions influence high-severity area is important for managing risks of large high-severity fires and…
Author(s): Emily J. Francis, Pariya Pourmohammadi, Zachary L. Steel, Brandon M. Collins, Matthew D. Hurteau
Year Published:

The concept of fire resilience has become increasingly relevant as society looks to understand and respond to recent wildfire events. In particular, the idea of a 'fire resilient landscape' is one which has been utilised to explore how society can…
Author(s): Fiona Newman-Thacker, Marc Castellnou Ribau, Harm Bartholomeus, Cathelijine Stoof
Year Published:

We developed and applied a spatial optimization algorithm to prioritize forest and fuel management treatments within a proposed linear fuel break network on a 0.5 million ha Western US national forest. The large fuel break network, combined with the…
Author(s): Pedro Belavenutti, Alan A. Ager, Michelle A. Day, Woodam Chung
Year Published:

Background: Native pinyon (Pinus spp.) and juniper (Juniperus spp.) trees are expanding into shrubland communities across the Western United States. These trees often outcompete with native sagebrush (Artemisia spp.) associated species, resulting in…
Author(s): Claire Williams, Lisa M. Ellsworth, Eva K. Strand, Matthew C. Reeves, Scott E. Shaff, Karen C. Short, Jeanne C. Chambers, Beth A. Newingham, Claire Tortorelli
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The severe effects of extreme wildfire events in recent years have shown that the fire suppression approach is not enough to solve the problem. An alternative to dealing with this issue is to accept the impossibility of eliminating wildfire hazards…
Author(s): Erica Arango, Maria Nogal, Ming Yang, Hélder S. Sousa, Mark G. Stewart, Jose C. Matos
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The stochastic nature of environmental factors that govern the behavior of fire, such as wind and fuel, exposes wildfire modeling to a degree of uncertainty. In order to produce more realistic wildfire predictions, it is, therefore, necessary to…
Author(s): Sahar Masoudian, J. Sharples, Zlatko Jovanoski, Isaac N. Towers, Simon Watt
Year Published:

Fire has always been an important component of many ecosystems, but anthropogenic global climate change is now altering fire regimes over much of Earth's land surface, spurring a more urgent need to understand the physical, biological, and chemical…
Author(s): Amy East, Amir AghaKouchak, Graziella Caprarelli, Gabriel Filippelli, Fabio Florindo, Charles H. Luce, Harihar Rajaram, Lynn M. Russell, Cristina Santin, Isaac Santos
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Changes in wildfire frequency and severity are altering conifer forests and pose threats to biodiversity and natural climate solutions. Where and when feedbacks between vegetation and fire could mediate forest transformation are unresolved. Here,…
Author(s): Tyler J. Hoecker, Sean A. Parks, Meade Krosby, Solomon Z. Dobrowski
Year Published:

Terrestrial LiDAR scans (TLS) offer a rich data source for high-fidelity vegetation characterization, addressing the limitations of traditional fuel sampling methods by capturing spatially explicit distributions that have a significant impact on…
Author(s): Anthony Marcozzi, Jesse V. Johnson, Russell A. Parsons, Sarah Flanary, Carl A. Seielstad, Jacob Z. Downs
Year Published:

In the United States (US), forest ecosystems are the largest terrestrial carbon sink, offsetting the equivalent of >12 % of economy-wide greenhouse gas (GHG) emissions annually. In the Western US, wildfires have shaped much of the landscape by…
Author(s): Panmei Jiang, Matthew B. Russell, Lee E. Frelich, Chad Babcock, James E. Smith
Year Published:

Particulate matter (PM) is a major primary pollutant emitted during wildland fires that has the potential to pose significant health risks to individuals/communities who live and work in areas impacted by smoke events. Limiting exposure is the…
Author(s): Russell W. Long, Shawn P. Urbanski, Emily Lincoln, Maribel Colón, Surender Kaushik, Jonathan Krug, Robert Vanderpool, Matthew S. Landis
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Background: Current guidance for implementation of United States federal wildland fire policy charges agencies with restoring and maintaining fire-adapted ecosystems while limiting the extent of wildfires that threaten life and property, weighed…
Author(s): Bradley Pietruszka, Jesse Young, Karen C. Short, Lise A. St. Denis, Matthew P. Thompson, David E. Calkin
Year Published:

Fuel is the part of the fire behavior triangle that we can directly affect. So, we know that we need to get more proactive with fuels treatments and prescribed fire if we want to get a better handle on the fire situation. As we shift towards more…
Author(s): Russell A. Parsons, Lucas Wells, Anthony Marcozzi, Rodman Linn, J. Kevin Hiers, F. Pimont, Karen L. Riley, Ilkay Altintas, Sarah Flanary
Year Published:

Fuel ignition potential is one of the primary drivers influencing the extent of damage in wildland and wildland–urban interface fires and it is a decisive factor in planning prescribed fires. Determining the susceptibility of fuels, which vary…
Author(s): Saurabh Saxena, Ritambhara Raj Dubey, Neda Yaghoobian
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Background: Fire whirl is an extreme fire behaviour in wildland fires, and an essential factor for its formation is the surrounding generating eddy. No systematic experimental study has been conducted on natural fire whirls with varying heights of…
Author(s): Congcong Ji, Naian Liu, Jiao Lei, Linhe Zhang, Xiaodong Xie, Yang Zhang
Year Published:

The escalating climate and wildfire crises have generated worldwide interest in using proactive forest management (e.g. forest thinning, prescribed fire, cultural burning) to mitigate the risk of wildfire-caused carbon loss in forests. To estimate…
Author(s): Jamie L. Peeler, Lisa McCauley, Kerry L. Metlen, Travis J. Woolley, Kimberly Davis, Marcos D. Robles, Ryan D. Haugo, Karen L. Riley, Philip E. Higuera, Joseph E Fargione, Rob Addington, Steven Bassett, Kori Blankenship, Michael Case, Teresa B. Chapman, Edward Smith, Randy Swaty, Nathan Welch
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