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Ecosystem

Displaying 941 - 960 of 6067 results

Post-fire remote sensing provides a promising tool for assessing building damage, destruction, and defensive actions from wildland fire. However, limited studies exist to guide image acquisitions. Consequently, we compare remotely piloted aircraft…
Author(s): Derek McNamara, William E. Mell
Year Published:

In recent decades, wildfires in many areas of the United States (U.S.) have become larger and more frequent with increasing anthropogenic pressure, including interactions between climate, land-use change, and human ignitions. We aimed to…
Author(s): Megan E. Cattau, Adam L. Mahood, Jennifer Balch, Carol A. Wessman
Year Published:

This open access book synthesizes current information on wildland fire smoke in the United States, providing a scientific foundation for addressing the production of smoke from wildland fires. This will be increasingly critical as smoke exposure and…
Author(s): David L. Peterson, Sarah M. McCaffrey, Toral Patel-Weynand
Year Published:

The future of dry forests around the world is uncertain given predictions that rising temperatures and enhanced aridity will increase drought-induced tree mortality. Using forest management and ecological restoration to reduce density and…
Author(s): John Bradford, Robert K. Shriver, Marcos D. Robles, Lisa McCauley, Travis J. Woolley, Caitlin M. Andrews, Michael A. Crimmins, David M. Bell
Year Published:

Spatial variation in species interactions (interaction β-diversity) and its ecological drivers are poorly understood, despite their relevance to community assembly, conservation and ecosystem functioning. We investigated effects of wildfire severity…
Author(s): Laura A. Burkle, R. Travis Belote, Jonathan A. Myers
Year Published:

In fire-adapted ponderosa pine forests of western North America, fire suppression policies during much of the 19th century gradually resulted in high stem densities undesirable for fire risk management. To restore desirable forest structures,…
Author(s): Ryleigh V. Gelles, Thomas S. Davis, Camille Stevens-Rumann
Year Published:

Building fire-adaptive communities and fostering fire-resilient landscapes have become two of the main research strands of wildfire science that go beyond strictly biophysical viewpoints and call for the integration of complementary visions of…
Author(s): Carmen Vazquez-Varela, José M. Martínez-Navarro, Luisa Abad-González
Year Published:

Wildfires emit significant amounts of material into the atmosphere. To fully understand the impact of these emissions an accurate understanding of wildfire smoke chemistry is needed. This perspective highlights our chemical understanding and…
Author(s): Stephanie R. Schneider, Jonathan P. D. Abbatt
Year Published:

Wildland firefighters continue to die in the line of duty. Flammable landscapes intersect with bold but good-intentioned doers and trigger entrapment—a situation where personnel is unexpectedly caught in fire behaviour-related, life-threatening…
Author(s): Kelsy E. Gibos, Kyle Fitzpatrick, Scott Elliott
Year Published:

Anticipating fire behavior as climate change and fire activity accelerate is an increasingly pressing management challenge in fire-prone landscapes. In subalpine forests adapted to infrequent, stand-replacing fire, self-limitation of burn severity…
Author(s): Kristin H. Braziunas, Diane Abendroth, Monica G. Turner
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Objectives: Due to accelerating wildland fire activity, there is mounting urgency to understand, prevent, and mitigate the occupational health impacts associated with wildland fire suppression. The objectives of this review of academic and grey…
Author(s): Erica Koopmans, Katie Cornish, Trina Fyfe, Katherine Bailey, Chelsea A. Pelletier
Year Published:

The National Predictive Services (NPS) asked the USFS Rocky Mountain Center for Fire-Weather Intelligence (RMC) as a part of the Fire, Fuel, and Smoke Science Program (FFS) at the USFS Rocky Mountain Research Station (RMRS) to assist with the…
Author(s): Ned Nikolov, Phillip Bothwell, John S. Snook
Year Published:

Background: The PODs (potential operational delineations) concept is an adaptive framework for cross-boundary and collaborative land and fire management planning. Use of PODs is increasingly recognized as a best practice, and PODs are seeing growing…
Author(s): Matthew P. Thompson, Christopher D. O'Connor, Benjamin Gannon, Michael D. Caggiano, Christopher J. Dunn, Courtney Schultz, David E. Calkin, Bradley Pietruszka, S. Michelle Greiner, Richard D. Stratton, Jeffrey Morisette
Year Published:

Burn severity in forests is commonly assessed in the field with visual ordinal estimates such as the Composite Burn Index (CBI). However, how CBI (a composite of several individual field measures) relates to independent quantitative measures of burn…
Author(s): Saba Saberi, Michelle Agne, Brian J. Harvey
Year Published:

There is mounting concern that global wildfire activity is shifting in frequency, intensity, and seasonality in response to climate change. Fuel moisture provides a powerful means of detecting changing fire potential. Here, we use global burned area…
Author(s): Todd M. Ellis, David M. J. S. Bowman, Piyush Jain, Michael D. Flannigan, Grant J. Williamson
Year Published:

Fire regimes shape plant communities but are shifting with changing climate. More frequent fires of increasing intensity are burning across a broader range of seasons. Despite this, impacts that changes in fire season have on plant populations, or…
Author(s): Alexandria M. Thomsen, Mark K. J. Ooi
Year Published:

The increasing incidence of wildfires across the southwestern United States (US) is altering the contemporary forest management template within historically frequent-fire conifer forests. An increasing fraction of southwestern conifer forests have…
Author(s): Jens T. Stevens, Collin M. Haffey, Jonathan D. Coop, Paula J. Fornwalt, Larissa L. Yocom, Craig D. Allen, Anne F. Bradley, Owen T. Burney, Dennis Carril, Marin Chambers, Teresa B. Chapman, Sandra L. Haire, Matthew D. Hurteau, Jose M. Iniguez, Ellis Q. Margolis, Christopher Marks, Laura A. Marshall, Kyle Rodman, Camille Stevens-Rumann, Andrea E. Thode, Jessica J. Walker
Year Published:

This research was designed to address the need for a more cohesive approach to managing wildfire risk in the western United States. This involves multiple entities with diverse, often competing policies, incentives, and practices who are not well-…
Author(s): Emily Jane Davis, Heidi Huber-Stearns, Anthony S. Cheng, Darren McAvoy
Year Published:

While managed fire often produces clear changes in aboveground functional diversity, we know little about how fire affects belowground fauna and their mediation of biogeochemical processes. Because soil micro- and mesofauna, particularly nematodes,…
Author(s): Anita Antoninka, Kara Gibson
Year Published:

A 106 acre (43 ha) aspen clone lives in the Fishlake National Forest in south-central Utah. Clones are comprised of multiple aspen stems, called ramets, which are genetically identical. This particular colony of ramets was named “Pando” (Latin for “…
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