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Displaying 141 - 160 of 5651

As the 2023 fire season rages with unprecedented intensity in Canada, millions of people and countless animals across North America are exposed to wildfire smoke. Its harmful effects on human and animal health are only beginning to be explored in…
Author(s): Michael Gross
Year Published:

Interactions between vegetation and sediment in post-fire landscapes play a critical role in sediment connectivity. Prior research has focused on the effects of vegetation removal from hillslopes, but little attention has been paid to the effects of…
Author(s): Kailey V. Adams, Jean L. Dixon, Andrew C. Wilcox, Dave McWethy
Year Published:

There are approximately 1.2 million firefighters in the United States. In addition to fighting fires, they also participate in various tasks including emergency rescues, providing emergency medical care, driving, operating and maintaining fire…
Author(s): Crystal D. Forester, Jay Tarley
Year Published:

Fire–vegetation feedbacks potentially maintain global savanna and forest distributions. Accordingly, vegetation in savanna and forest ecosystems should have differential responses to fire, but fire response data for herbaceous vegetation have yet to…
Author(s): Zachary J. Gold, Adam F. A. Pellegrini, Tyler Refsland, Romina J. Andrioli, Marlin L. Bowles, Dale G. Brockway, Neil D. Burrows, Augusto C. Franco, Stephen W. Hallgren, Sarah E. Hobbie, William A. Hoffmann, Kevin P. Kirkman, Peter B. Reich, Patrice Savadogo, Divino V. Silverio, Kirsten Stephan, Tercia Strydom, J. Morgan Varner, Dale D. Wade, Allan J. Wills, A. Carla Staver
Year Published:

Background: Historically, reburn dynamics from cultural and lightning ignitions were central to the ecology of fire in the western United States (wUS), whereby past fire effects limited future fire growth and severity. Over millennia, reburns…
Author(s): Susan J. Prichard, R. Brion Salter, Paul F. Hessburg, Nicholas A. Povak, Robert W. Gray
Year Published:

Background: Further understanding of the effect of fuel structure on underlying physical phenomena controlling flame spread is required given the lack of a coherent porous flame spread theory. Aims: To systematically investigate the effect of fuel…
Author(s): Zakary Campbell-Lochrie, Carlos Walker-Ravena, Michael R. Gallagher, Nick Skowronski, Eric Mueller, Rory Hadden
Year Published:

Wildfire has been shown to increase, decrease, or have no detectable effect on actual evapotranspiration (ETa) fluxes in the western United States. Where disturbance-induced shifts are significant, source-water hydrology may be impacted as ETa…
Author(s): Natalie M. Collar, Brian A. Ebel, Samuel Saxe, Ashley J. Rust, Terri S. Hogue
Year Published:

As 21st-century climate and disturbance dynamics depart from historical baselines, ecosystem resilience is uncertain. Multiple drivers are changing simultaneously, and interactions among drivers could amplify ecosystem vulnerability to change.…
Author(s): Kristin H. Braziunas, Nathan G. Kiel, Monica G. Turner
Year Published:

Background: The models currently used to predict post-fire soil erosion risks are limited by high data demands and long computation times. An alternative is to map the potential hydrological and sediment connectivity using indices to express the…
Author(s): Joana Parente, João Pedro Nunes, J. E. M. Baartman, Dante Follmi
Year Published:

The Rothermel model, which has been widely used to predict the rate of forest fire spread, has errors that restrict its ability to reflect the actual rate of spread (ROS). In this study, the fuels from seven typical tree species in the Karst…
Author(s): Yunlin Zhang, Lingling Tian
Year Published:

Ambient wildfire smoke in the American West has worsened considerably in recent decades, while the number of individuals recreating outdoors has simultaneously surged. Wildfire smoke poses a serious risk to human health, especially during long…
Author(s): Matthew Clark, Alexander Killion, Matthew A. Williamson, Vicken Hillis
Year Published:

Disturbances are ubiquitous in ecological systems, and species have evolved a range of strategies to resist or rebound following disturbance. Understanding how the presence and complementarity of regeneration traits will affect community responses…
Author(s): T. Ramiadantsoa, Zakary Ratajczak, Monica G. Turner
Year Published:

With wildfires reaching unprecedented levels of severity, size and frequency, their impact on soil microbial communities is an important concern. Commencing just weeks following a wildfire in a Douglas-fir-Ponderosa pine forest, we collected surface…
Author(s): Erica E. Packard, Daniel M. Durall, Melanie D. Jones
Year Published:

Patterns of spatial heterogeneity in forests and other fire-prone ecosystems are increasingly recognized as critical for predicting fire behavior and subsequent fire effects. Given the difficulty in sampling continuous spatial patterns across scales…
Author(s): Chad M. Hoffman, Justin P. Ziegler, Wade T. Tinkham, J. Kevin Hiers, Andrew T. Hudak
Year Published:

One of the worst environmental catastrophes that endanger the Australian community is wildfire. To lessen potential fire threats, it is helpful to recognize fire occurrence patterns and identify fire susceptibility in wildfire-prone regions. The use…
Author(s): Abolfazl Abdollahi, Biswajeet Pradhan
Year Published:

Prescribed fires are an important management tool for reducing fuels and returning fire to the landscape. However, rarely are changes in fuels fully quantified using pre- to post-prescribed fire measurements and those studies that do exist show…
Author(s): Scott M. Ritter, Kat E. Morici, Camille Stevens-Rumann
Year Published:

Many wildfire behaviour modeling studies have focused on fires during extreme conditions, where the dominant processes are resolved and smaller-scale variations have less influence on fire behaviour. As such, wildfire behaviour models typically…
Author(s): Ginny A. Marshall, Rodman Linn, Marlin J. Holmes, Scott L. Goodrick, Dan K. Thompson, A. Hemmati
Year Published:

Leaders are crucial to ensuring the well-being of their subordinates. This study aims to understand the effects of two leadership styles (empowering vs. directive) on subordinates’ well-being in an emergency situation (i.e., rural fire). A…
Author(s): Luis Curral, Laura Carmona, Raquel Pinheiro, Vitor Reis, Maria Jose Chambel
Year Published:

Throughout communities and ecosystems both within and downstream of mountain forests, there is an increasing risk of wildfire. After a wildfire, stakeholder management will vary depending on the rate and spatial heterogeneity of forest re-…
Author(s): Ryan W. Webb, Marcy E. Litvak, Paul D. Brooks
Year Published:

In recent years, the state of Colorado has experienced extreme wildfire events that have degraded forest and watershed health and devastated human communities. With expanding human development and a changing climate, wildfire activity is likely to…
Author(s): Erin J. Belval, Matthew P. Thompson
Year Published: