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Ecosystem

Displaying 1621 - 1640 of 6066 results

During the past century, systematic wildfire suppression has decreased fire frequency and increased fire severity in the western United States of America. While this has resulted in large ecological changes aboveground such as altered tree species…
Author(s): Nicholas C. Dove, Hugh Safford, Gabrielle N. Bohlman, Becky L. Estes, Stephen C. Hart
Year Published:

Beaver dams are gaining popularity as a low‐tech, low‐cost strategy to build climate resiliency at the landscape scale. They slow and store water that can be accessed by riparian vegetation during dry periods, effectively protecting riparian…
Author(s): Emily Fairfax, Andrew Whittle
Year Published:

Wildfires are a significant agent of disturbance in forests and highly sensitive to climate change. Short-interval fires and high severity (mortality-causing) fires in particular, may catalyze rapid and substantial ecosystem shifts by eliminating…
Author(s): Brian Buma, Shelby A. Weiss, Kathy Geier-Hayes, Melissa S. Lucash
Year Published:

Purpose:This paper reviews the most recent literature related to the use of remote sensing (RS) data in wildland fire management. Recent Findings: Studies dealing with pre-fire assessment, active fire detection, and fire effect monitoring are…
Author(s): Emilio Chuvieco, Inmaculada Aguado, Javier Salas, Mariano Garcia, Marta Yebra, Patricia Oliva
Year Published:

Forests of the western U.S. are undergoing substantial stress from fire exclusion and increasing effects of climate change, altering ecosystem functions and processes. Changes in broad‐scale drivers of forest community composition become apparent in…
Author(s): Laura A. Marshall, Donald A. Falk
Year Published:

Evacuation is the preferred method in the U.S. for preserving public safety in wildfire. However, alternatives such as staying and defending are used both in North America and Australia. Dangerous delays in the decision to evacuate are also common.…
Author(s): Hugh D. Walpole, Robyn S. Wilson, Sarah M. McCaffrey
Year Published:

Forest fires are incidents of great importance in Mediterranean environments. Landsat data have proven to be suitable for evaluating post-fire vegetation damage and determining different levels of burn severity, which is crucial for planning post-…
Author(s): Carmen Quintano, Alfonso Fernández-Manso, Dar A. Roberts
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:

Cheatgrass (Bromus tectorum) has increased the extent and frequency of fire and negatively affected native plant and animal species across the Intermountain West (USA). However, the strengths of association between cheatgrass occurrence or abundance…
Author(s): Matthew A. Williamson, Erica Fleishman, Ralph Mac Nally, Jeanne C. Chambers, Bethany A. Bradley, David S. Dobkin, David Board, Frank A. Fogarty, Ned Horning, Matthias Leu, Martha Wohlfeil Zillig
Year Published:

Despite evident advances in knowledge and understanding concerning the application of prescribed burning for delivering benefits in wildfire control and a variety of sociocultural, economic and environmental outcomes, the practical application of…
Author(s): Jeremy Russell-Smith, Lachlan McCaw, Adam J. Leavesley
Year Published:

Potential Operational Delineations (PODs) is a spatial wildfire planning framework that brings together operational fire responses and landscape management goals from Forest Planning documents. It was developed by scientists at the Rocky Mountain…
Author(s): Rocky Mountain Research Station, Colorado Forest Restoration Institute
Year Published:

This review is focused on tree seedling regeneration for several reasons. First, a high mortality event, like a high-severity wildfire, kills the mature trees needed to maintain forest cover. When fire-caused mortality is minimal, we are less…
Author(s): Camille Stevens-Rumann, Penelope Morgan, Kimberley T. Davis, Kerry Kemp, Jarod Blades
Year Published:

Fire refugia—locations that burn less severely or less frequently than surrounding areas—support late-successional and old-growth forest structure and function. This study investigates the influence of topography and fuels on the probability of…
Author(s): Garrett W. Meigs, Christopher J. Dunn, Sean A. Parks, Meg A. Krawchuk
Year Published:

Firefighters are exposed to numerous stressors during wildfire suppression, including working in hot temperatures and sleep restricted conditions. Research has shown that when sleep restricted, individuals choose foods higher in carbohydrates, fat,…
Author(s): Charlotte C. Gupta, Sally A. Ferguson, Brad Aisbett, Michelle Dominiak, Stephanie E. Chappel, Madeline Sprajcer, Hugh H. K. Fullagar, Saman Khalesi, Joshua H. Guy, Grace E. Vincent
Year Published:

Background Predictive models of post-fire tree and stem mortality are vital for management planning and understanding fire effects. Post-fire tree and stem mortality have been traditionally modeled as a simple empirical function of tree defenses (e.…
Author(s): C. Alina Cansler, Sharon M. Hood, Phillip J. van Mantgem, J. Morgan Varner
Year Published:

Fire activity has a huge impact on human lives. Different models have been proposed to predict fire activity, which can be classified into global and regional ones. Global fire models focus on longer timescale simulations and can be very complex.…
Author(s): Leonardo N. Ferreira, Didier A. Vega-Oliveros, Liang Zhao, Manoel F. Cardoso, Elbert E.N. Macau
Year Published:

In the Great Basin, changes in climate and associated fire regimes may alter the density and distribution of shrubs, changing the structure and diet quality of plants in burned areas. We evaluated how the structural and phytochemical characteristics…
Author(s): Marcella R. Fremgen-Tarantino, Jacqueline J. Peña, John W. Connelly, Jennifer Sorensen Forbey
Year Published:

Social acceptability of environmental management actions, such as prescribed burning used to reduce wildfire risk, is critical to achieving positive outcomes. However, environmental managers often need to implement strategies over a long time period…
Author(s): Melinda R. Mylek, Jacki Schirmer
Year Published:

Site-specific information concerning fuel hazard characteristics is needed to support wildfire management interventions and fuel hazard reduction programs. Currently, routine visual assessments provide subjective information, with the resulting…
Author(s): Luke Wallace, Bryan Hally, Samuel Hillman, Simon D. Jones, Karin J. Reinke
Year Published:

Large outdoor fires are an increasing danger to the built environment. Wildfires that spread into communities, labeled as Wildland-Urban Interface (WUI) fires, are an example of large outdoor fires. Other examples of large outdoor fires are urban…
Author(s): Sam Manzello, Sayaka Suzuki, Michael J. Gollner, A. Carlos Fernandez-Pello
Year Published: