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Displaying 361 - 380 of 5651

Ecologists have long debated the relative importance of biotic interactions versus species-specific habitat preferences in shaping patterns of ecological dominance. In western North America, cycles of fire disturbance are marked by transitions…
Author(s): Addison G. Allen, Zachary P. Roehrs, R. Scott Seville, Hayley C. Lanier
Year Published:

The increasing wildfire activity and rapid population growth in the wildland–urban interface (WUI) have made more Americans exposed to wildfire risk. WUI mapping plays a significant role in wildfire management. This study used the Microsoft building…
Author(s): Alexander R. Ketchpaw, Dapeng Li, Shahid N. Khan, Yuhan Jiang, Yingru Li, Ling Zhang
Year Published:

Seed dormancy varies greatly between species, clades, communities, and regions. We propose that fireprone ecosystems create ideal conditions for the selection of seed dormancy as fire provides a mechanism for dormancy release and postfire conditions…
Author(s): Juli G. Pausas, Byron B. Lamont
Year Published:

Snowpack in the western U.S. is critical for water supply and is threatened by wildfires, which are becoming larger and more common. Numerous studies have examined impacts of wildfire on snow water equivalent (SWE), but many of these studies are…
Author(s): Jeremy Giovando, Jeffrey D. Niemann
Year Published:

Characterizing pre-fire fuel load and fuel consumption are critical for assessing fire behavior, fire effects, and smoke emissions. Two approaches for quantifying fuel load are airborne laser scanning (ALS) and the Fuel Characteristic Classification…
Author(s): T. Ryan McCarley, Andrew T. Hudak, Joseph C. Restaino, Michael Billmire, Nancy H. F. French, Roger D. Ottmar, Bridget Hass, Kyle Zarzana, Tristan Goulden, Rainer Volkamer
Year Published:

Full suppression strategies remain the dominant option in wildfire management, despite a large body of research demonstrating the ecological and economic benefits of allowing unplanned wildfires to burn under favorable conditions. Consequently,…
Author(s): David J. Rossi, Olli-Pekka Kuusela, Christopher J. Dunn
Year Published:

[from the text] Our steering committee is dedicated to advancing federal policy to support wider use of prescribed fire and wildfire managed for resource benefits. Both these uses of fire are essential tools for fuel reduction, community protection…
Author(s): Courtney Schultz, Tyson Bertone-Riggs, Susan Jane Brown, Nick Goulette, S. Michelle Greiner, Dylan Kruse, Rebecca Shively, Marek K. Smith
Year Published:

As the wildland–urban interface continues to expand into fire prone areas, future wildfires will likely result in the burning of more built structures, such as the recent Marshall Fire in Colorado, which increases the complexity of the wildfire…
Author(s): Alice Gilliland, Tim Watkins
Year Published:

In ecosystems where trees and grasses coexist, some grass species are found only in open habitats and others persist under trees. The persistence of shade intolerant grasses in ecosystems such as open woodlands and savannas depends on recurrent…
Author(s): Xiulin Gao, Dylan W. Schwilk
Year Published:

This paper presents a phenomenological framework for forecasting the area-integrated fire radiative power from wildfires. In the method, a region of interest is covered with a regular grid, whose cells are uniquely and independently parameterized…
Author(s): Tero M. Partanen, Mikhail Sofiev
Year Published:

Background:Exposure to inhaled smoke, pollutants, volatile organic compounds, and polycyclic aromatic hydrocarbons in the firefighting environment has been associated with detrimental respiratory and cardiovascular effects, making firefighters a…
Author(s): Catherine Vanchiere, Rithika Thirumal, Aditya Hendrani, Parinita Dherange, Angela Bennett, Runhua Shi, Rakesh Gopinathannair, Brian Olshansky, Denise L. Smith, Paari Dominic
Year Published:

We evaluated the effects of postfire management on forest structure in mixed-conifer forests of northeastern Washington, USA. Postfire treatments were harvest-only, harvest combined with planting, planting-only, and postfire prescribed fire. We used…
Author(s): C. Alina Cansler, Van R. Kane, Bryce N. Bartl-Geller, Derek J. Churchill, Paul F. Hessburg, Nicholas A. Povak, James A. Lutz, Jonathan T. Kane, Andrew J. Larson
Year Published:

The use of Unmanned Aerial Vehicles (UAVs), colloquially known as drones, has grown rapidly over the past two decades and continues to expand at a rapid pace. This has resulted in the production of many research papers addressing the use of UAVs in…
Author(s): Ihab L. Hussein Alsammak, Moamin A. Mahmoud, Hazleen Aris, Muhana AlKilabi, Mohammed Najah Mahdi
Year Published:

Aim: Climate warming is expected to drive upward and poleward shifts at the leading edge of tree species ranges. Disturbance has the potential to accelerate these shifts by altering biotic and abiotic conditions, though this potential is likely to…
Author(s): Katherine Nigro, Monique E. Rocca, Michael A. Battaglia, Jonathan D. Coop, Miranda Redmond
Year Published:

Peatland wildfire frequency and severity are increasing globally owing to climate change. The direct risk of elevated greenhouse gas emissions from peat burning receives much attention, yet the risks to vegetation composition or peat decomposition…
Author(s): Abbey L. Marcotte, Juul Limpens, Cathelijine Stoof, Jetse J. Stoorvogel
Year Published:

Background and objectives: The Great Basin Desert with its critical sage grouse habitat is at a “tipping point” wherein fires that were rare and patchy historically are increasing in frequency, size and severity. Wildfire is now the largest driver…
Author(s): Branda Nowell
Year Published:

After a century of intensive logging, federal forest management policies were developed in the 1990s to protect remaining large trees and old forests in the western US. Today, due to rapidly changing ecological conditions, new threats and…
Author(s): Paul F. Hessburg, Susan Charnley, Andrew N. Gray, Thomas A. Spies, David W. Peterson, Rebecca L. Flitcroft, Kendra L. Wendel, Jessica E. Halofsky, Eric M. White, John D. Marshall
Year Published:

This work experimentally investigates the fire spread of discrete fuels by using fuel beds of laser-cut cardboards in a wind tunnel. Two distinct particle ignition modes are identified: under lower wind speed and packing ratio, a part of the tilted…
Author(s): Qianqian He, Naian Liu, Xiaodong Xie, Linhe Zhang, Jaio Lei, Yang Zhang, Di Wu
Year Published:

Addressing the challenges of wildland fire requires that fire science be relevant to management and integrated into management decisions. Co-production is often touted as a process that can increase the utility of science for management, by…
Year Published:

Worldwide, Indigenous peoples are leading the revitalization of their/our cultures through the restoration of ecosystems in which they are embedded, including in response to increasing “megafires.” Concurrently, growing Indigenous-led movements are…
Author(s): Sarah Dickson-Hoyle, Ronald E. Ignace, Marianne B. Ignace, Shannon M. Hagerman, Lori D. Daniels
Year Published: