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Ecosystem

Displaying 1281 - 1300 of 5896 results

The Wildfire Research Center (WiRe Center) works with wildfire practitioners seeking to create communities that are adapted to wildfire using an evidenced-based approach. Historically, immediate threats and wildfire suppression have garnered much…
Author(s): Hannah Brenkert-Smith, Patricia A. Champ, Jonathan Riley, Christopher M. Barth, Colleen Donovan, James R. Meldrum, Carolyn Wagner
Year Published:

The combination of drought and fire can cause drastic changes in forest composition and structure. Given the predictions of more frequent and severe droughts and forecasted increases in fire size and intensity in the western United States, we…
Author(s): Raquel Partelli-Feltrin, Daniel M. Johnson, Aaron M. Sparks, Henry D. Adams, Crystal A. Kolden, Andrew S. Nelson, Alistair M. S. Smith
Year Published:

We used a chronosequence approach to investigate the relationship between existing conditions of forested land that burned at some point between 1984 and 2014 in western Montana and the abundances of various bird species based on 7533 point-counts.…
Author(s): Richard L. Hutto, Russell R. Hutto, Paul L. Hutto
Year Published:

Accurate predictions for radiant heat flux are necessary for determining exposure levels to personnel and infrastructure in the event of wildfires. However, detailed physics-based calculations of radiant heat flux are complex and current modelling…
Author(s): J. E. Hilton, Justin E. Leonard, Raphaele M. Blanchi, Glenn J. Newnham, Kimberley Opie, Anthony Power, Chris Rucinski, W. Swedosh
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In the United States, many decision support tools exist to provide fire managers with weather and fire behaviour information to inform and facilitate risk-based decision-making. Relatively little is known about how managers use these tools in the…
Author(s): Claire Rapp, Emily Rabung, Robyn S. Wilson, Eric L. Toman
Year Published:

Prescribed burning is used in Australia as a tool to manage fire risk and protect assets. A key challenge is deciding how to arrange the burns to generate the highest benefits to society. Studies have shown that prescribed burning in the wildland–…
Author(s): Veronique Florec, Michael P. Burton, David J. Pannell, Joel K. Kelso, George J. Milne
Year Published:

Wildland firefighters are exposed to health hazards including inhaling hazardous pollutants from the combustion of live and dead vegetation (smoke) and breathe soil dust, while working long shifts with no respiratory protection. This research brief…
Author(s): Kathleen M. Navarro, Linda Mutch
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High severity wildfires impact hillslope processes, including infiltration, runoff, erosion, and sediment delivery to streams. Wildfire effects on these processes can impair vegetation recovery, producing impacts on headwater and downstream water…
Author(s): Ryan P. Cole, Kevin D. Bladon, Joseph W. Wagenbrenner, Drew B. R. Coe
Year Published:

With the past century of fire suppression in ponderosa pine (Pinus ponderosa) forests, there has been an accumulation of surface fuels, causing decreases in understory vegetation and increasing high severity fire risk. However, fire size and…
Author(s): Eva K. Strand, Jessie M. Dodge
Year Published:

Large and severe wildfires are an observable consequence of an increasingly arid American West. There is increasing consensus that human communities, land managers, and fire managers need to adapt and learn to live with wildfires. However, a myriad…
Author(s): Christopher J. Dunn, Christopher D. O'Connor, Jesse Abrams, Matthew P. Thompson, David E. Calkin, James D. Johnstone, Richard D. Stratton, Julie W. Gilbertson-Day
Year Published:

Knowledge of how disturbances such as fire shape habitat structure and composition, and affect animal interactions, is fundamental to ecology and ecosystem management. Predators also exert strong effects on ecological communities, through top‐down…
Author(s): William L. Geary, Tim S. Doherty, Dale G. Nimmo, Ayesha I. T. Tulloch, Euan G. Ritchie
Year Published:

Worldwide, regularly recurring wildfires shape many peatland ecosystems to the extent that fire‐adapted species often dominate plant communities, suggesting that wildfire is an integral part of peatland ecology rather than an anomaly. The most…
Author(s): Neal E. Flanagan, Hongjun Wang, Scott Winton, Curtis J. Richardson
Year Published:

It is sometimes assumed the sparse and low statured vegetation in arid systems would limit the effectiveness of two remote-sensing derived indices of burn severity: the difference Normalised Burn Ratio (dNBR) and relativised difference Normalised…
Author(s): Robert C. Klinger, Randy McKinley, Matthew L. Brooks
Year Published:

Exotic grasses are a widespread set of invasive species that are notable for their ability to significantly alter key aspects of ecosystem function. Understanding the role and importance of these invaders in forested landscapes has been limited but…
Author(s): Becky K. Kerns, Claire Tortorelli, Michelle A. Day, Ty Nietupski, Ana M. G. Barros, John Kim, Meg A. Krawchuk
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Wilderness areas offer value to society as a source of scientific information. We used fire perimeter records from the upper South Fork Flathead River watershed (Montana) to characterize the area burned one or more times during three periods: the…
Author(s): Andrew J. Larson, Julia Berkey, Colin T. Maher, Wyatt Trull, R. Travis Belote, Carol Miller
Year Published:

The increasing amount of high-severity wildfire in historical low and mixed-severity fire regimes in western US forests has created a need to better understand the ecological effects of different post fire management approaches. For three different…
Author(s): Morris C. Johnson, Maureen C. Kennedy, Sarah C. Harrison, Derek J. Churchill, James Pass, Paul W. Fischer
Year Published:

Climates—especially seasonal and long‐term droughts—and fuel loads combine to determine risks of wildfires across much of Australia. Here we illustrate how long‐term accumulations of fuel combined with a serious drought to drive the behaviour and…
Author(s): Mark A. Adams, Majid Shadmanroodposhti, Mathias Neumann
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Since the 1960s, canopy photography has been widely used in forestry. Hemispherical photography has been the most widely used technique, but a great drawback of this method is its perceived sensitivity to hemispherical image acquisition and…
Author(s): Francesco Chianucci
Year Published:

Context: Fire in forested wildland urban interface (WUI) landscapes is increasing throughout the western United States. Spatial patterns of fuels treatments affect fire behavior, but it is unclear how fire risk and fuel treatment effectiveness will…
Author(s): Kristin H. Braziunas, Rupert Seidl, Werner Rammer, Monica G. Turner
Year Published:

This paper describes a new dataset mined from the public archive (1999–2014) of the U.S. National Incident Management System/Incident Command System Incident Status Summary Form (a total of 124,411 reports for 25,083 incidents, including 24,608…
Author(s): Lise A. St. Denis, Nathan Mietkiewicz, Karen C. Short, Mollie Buckland, Jennifer Balch
Year Published: