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Ecosystem

Displaying 1301 - 1320 of 6037 results

Catastrophic and unprecedented wildfires have unfolded across fire-prone landscapes globally over the last three years, with highly publicized loss of human life, property destruction and ecological transformation. Indigenous peoples within many…
Author(s): Will Smith, Timothy Neale, Jessica K. Weir
Year Published:

Abandonment of agricultural land is widespread in many parts of the world, leading to shrub and tree encroachment. The increase of flammable plant biomass, that is, fuel load, increases the risk and intensity of wildfires. Fuel reduction by…
Author(s): Julia Rouet-Leduc, Guy Pe'er, Francisco Moreira, Aletta Bonn, Wouter Helmer, Shahin A. A. Shahsavan Zadeh, Alexander Zizka, Fons van der Plas
Year Published:

The 2018 Camp fire destroyed the town of Paradise, California and resulted in 82 fatalities, the worst wildfire disaster in the US to date. Future disasters of similar or greater magnitude are inevitable given predicted climate change but remain…
Author(s): Alan A. Ager, Michelle A. Day, Fermin Alcasena-Urdiroz, Cody Evers, Karen C. Short, Isaac C. Grenfell
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Wildland firefighters (WLFFs) perform in adverse environments making rapid adjustments to dietary needs. The National Mobile Food Services (NMFS) contract details WLFF dietary provisions on wildfire incidents. Objective: Determine the nutrient…
Author(s): Samantha J. Brooks, Molly West, Joseph W. Domitrovich, Joseph A. Sol, Heidi Holubetz, Cassandra Partridge, Brent Ruby, Ann F. Brown, Annie Roe
Year Published:

Quaking aspen, Populus tremuloides, has experienced severe declines in recent years in part due to the effects of changing climate and extreme drought. This study set out to investigate these effects by assessing associations of climatic, edaphic…
Author(s): Andrew Neary, Ricardo Mata-González, Heidi Schmalz
Year Published:

Fire and fuel management is a high priority in North American sagebrush ecosystems where the expansion of piñon and juniper trees and the invasion of nonnative annual grasses are altering fire regimes and resulting in loss of sagebrush species and…
Author(s): Jeanne C. Chambers, Alexandra K. Urza, David Board, Richard F. Miller, David A. Pyke, Bruce A. Roundy, Eugene Schupp, Robin J. Tausch
Year Published:

Active wildfire seasons in the western U.S. warrant the evaluation of post‐fire forest management strategies. Ground‐based salvage logging is often used to recover economic loss of burned timber. In unburned forests, ground‐based logging often…
Author(s): Peter R. Robichaud, Edwin D. Bone, Sarah A. Lewis, Erin S. Brooks, Robert E. Brown
Year Published:

Active wildfire seasons in the western U.S. warrant the evaluation of post‐fire forest management strategies. Ground‐based salvage logging is often used to recover economic loss of burned timber. In unburned forests, ground‐based logging often…
Author(s): Peter R. Robichaud, Edwin D. Bone, Sarah A. Lewis, Erin S. Brooks, Robert E. Brown
Year Published:

Increased fire frequency in semi-arid ecosystems can alter biochemical soil properties and soil processes that underpin ecosystem structure and functioning, thus threatening native plant communities and the species that rely on them. However, there…
Author(s): Leslie Nichols, Douglas J. Shinneman, Susan K. McIlroy, Marie-Anne de Graaff
Year Published:

Active wildfire seasons in the western U.S. warrant the evaluation of post‐fire forest management strategies. Ground‐based salvage logging is often used to recover economic loss of burned timber. In unburned forests, ground‐based logging often…
Author(s): Peter R. Robichaud, Edwin D. Bone, Sarah A. Lewis, Erin S. Brooks, Robert E. Brown
Year Published:

The western United States has suffered increasingly disastrous wildfires in recent years. Massive wildfires have attracted considerable attention from the media and policy makers, and have renewed calls to better understand and mitigate wildfire…
Author(s): Alex W. Kirkpatrick
Year Published:

Background:The need for basic information on spatial distribution and abundance of plant species for research and management in semiarid ecosystems is frequently unmet. This need is particularly acute in the large areas impacted by megafires in…
Author(s): Cara Applestein, Matthew J. Germino
Year Published:

Over the past few years, numerous large-scale disasters have occurred due to wildfires at the wildland-urban interface (WUI). In these fires, spread via the transport of firebrands (burning embers) plays a significant role. Several models have been…
Author(s): Mohammadhadi Hajilou, Steven Hu, Thomas Roche, Priya Garg, Michael J. Gollner
Year Published:

Wildfire is a landscape‐scale disturbance that changes the rate and magnitude of many earth surface processes. The impacts of fire on earth surface processes can vary substantially from place to place depending on a variety of site‐specific…
Author(s): Francis K. Rengers, Luke A. McGuire
Year Published:

Effective strategies to reduce indoor air pollutant concentrations during wildfire smoke events are critically needed. Worldwide, communities in areas prone to wildfires may suffer from annual smoke exposure events lasting from days to weeks. In…
Author(s): Gilliane Davison, Karoline K. Barkjohn, Gayle Hagler, Amara L. Holder, Sarah Coefield, Curtis W. Noonan, Beth Hassett-Sipple
Year Published:

As land managers strive to implement the National Cohesive Wildland Fire Management Strategy, guidance is critically needed on where and how landscape fuel reduction treatments can mitigate future fire impacts and assist in active fire management.…
Author(s): Susan J. Prichard, Robert W. Gray, Vivian Griffey, Paul F. Hessburg, Becky K. Kerns, Rebecca Lemons, Roger D. Ottmar, Nicholas A. Povak, R. Brion Salter
Year Published:

Changing climate and disturbance regimes are increasingly challenging the resilience of forest ecosystems around the globe. A powerful indicator for the loss of resilience is regeneration failure, that is, the inability of the prevailing tree…
Author(s): Werner Rammer, Kristin H. Braziunas, Winslow D. Hansen, Zakary Ratajczak, Anthony L. Westerling, Monica G. Turner, Rupert Seidl
Year Published:

How fuel influences fire spread at different spatial scales has been broadly studied but it is still under research. Although prior research has generally explored fuel effects at the stand scale, there is increasing recognition that forest…
Author(s): Andrea Duane, Marcelo D. Miranda, Lluis Brotons
Year Published:

Increases in burned area and large fire occurrence are widely documented over the western United States over the past half century. Here, we focus on the elevational distribution of forest fires in mountainous ecoregions of the western United States…
Author(s): Mohammad Reza Alizadeha, John T. Abatzoglou, Charles H. Luce, Jan F. Adamowski, Arvin Farid, Mojtaba Sadegh
Year Published:

Subalpine coniferous forests are adapted to cycles of fire and successional development, but increasing fire frequency and severity are altering historical stand structure, composition, and plant diversity. For instance, conifer regeneration has…
Author(s): Andrew J. Andrade, Diana F. Tomback, Timothy R. Seastedt, Sabine Mellmann-Brown
Year Published: