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Ecosystem

Displaying 1721 - 1740 of 6066 results

Municipal firefighters count on their protective garments to avoid skin burns caused by thermal and flame exposures. Typical firefighting garment consists of three layers of different fire-resistant fabrics named as outer shell, moisture barrier and…
Author(s): Ahmed Ghazy
Year Published:

Climate change is projected to increase fire severity and frequency in the boreal forest, but it could also directly affect post-fire recruitment processes by impacting seed production, germination, and seedling growth and survival. We reviewed…
Author(s): Dominique Boucher, Sylvie Gauthier, Nelson Thiffault, William Marchand, Martin P. Girardin, Morgane Urli
Year Published:

Stream drying and wildfire are projected to increase with climate change in the western United States, and both are likely to impact stream chemistry patterns and processes. To investigate drying and wildfire effects on stream chemistry (carbon,…
Author(s): Ruth B. MacNeille, Kathleen A. Lohse, Sarah E. Godsey, Julia N. Perdrial, Colden V. Baxter
Year Published:

Legacy effects from one disturbance may influence successional pathways by amplifying or buffering forest regeneration after the next disturbance. We assessed vegetation and tree regeneration in non-serotinous Sierra lodgepole pine (Pinus contorta…
Author(s): Lucas B. Harris, Stacy Drury, Alan H. Taylor
Year Published:

Boreal forest and tundra biomes are key components of the Earth system because the mobilization of large carbon stocks and changes in energy balance could act as positive feedbacks to ongoing climate change. In Alaska, wildfire is a primary driver…
Author(s): Tyler J. Hoecker, Philip E. Higuera, Ryan Kelly, Feng Sheng Hu
Year Published:

Monte Carlo simulations using wildland fire spread models have been conducted to produce numerical estimates of fire likelihood, project potential fire effects, and produce event sets of realistic wildfires (Parisien et al., 2019). The application…
Author(s): Marc-Andre Parisien, Alan A. Ager, Ana M. G. Barros, Denyse A. Dawe, Sandy Erni, Mark A. Finney, Charles W. McHugh, Carol Miller, Sean A. Parks, Karen L. Riley, Karen C. Short, Christopher A. Stockdale, Xianli Wang, Ellen Whitman
Year Published:

Increases in burned area across the western US since the mid‐1980’s have been widely documented and linked partially to climate factors, yet evaluations of trends in fire severity are lacking. Here, we evaluate fire severity trends and their…
Author(s): Sean A. Parks, John T. Abatzoglou
Year Published:

Altered climate and changing fire regimes are synergistically impacting forest communities globally, resulting in deviations from historical norms and creation of novel successional dynamics. These changes are particularly important when considering…
Author(s): Susan K. McIlroy, Douglas J. Shinneman
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:

The Smoke and Roadway Safety Guide provides wildland fire personnel the tools and methods to effectively plan and forecast for roadway smoke impacts and to monitor, respond to, and mitigate smoke on roadways to reduce the risk to the public and fire…
Author(s): Gary M. Curcio, David Mueller, Peter Lahm, Mark Fitch, Joshua C. Hyde
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:

We investigated the changes in hydrologic response in a forested catchment impacted by wildfire in Colorado U.S.A. from the storm event to the inter-annual scales. We also evaluated the utility of a remotely-sensed burn severity index to study post-…
Author(s): Hernan A. Moreno, Jonathan J. Gourley, Tri G. Pham, Daniela M. Spade
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:

We compare the use of post-fire aerial imagery to ground-based assessment for identifying building destruction and damage at the 2012 Colorado Waldo Canyon Fire. We also compare active-fire defensive actions identified via manual and automated post-…
Author(s): Derek McNamara, William E. Mell, Alexander Maranghides
Year Published:

Increasing the pace and scale of fuel treatments to protect social and ecological values from severe wildfire is a major initiative of numerous land management agencies, organizations, and collaborative groups throughout the western United States,…
Author(s): Rob Addington, Brian G. Tavernia, Michael D. Caggiano, Matthew P. Thompson, Jason D. Lawhon, John S. Sanderson
Year Published:

One of the most ubiquitous cause of worldwide deforestation and devastation of wildlife is fire. To control fire and reach the forest area in time is not always possible. Consequently, the level of destruction is often high. Therefore, predicting…
Author(s): Richa Sharma, Shalli Rani, Imran Memon
Year Published:

Elevated wildfire activity in many regions in recent decades has increased concerns about the short‐ and long‐term effects on water quantity, quality, and aquatic ecosystem health. Often, loss of canopy interception and transpiration, along with…
Author(s): Ryan J. Niemeyer, Kevin D. Bladon, Richard D. Woodsmith
Year Published:

This work reports characteristics of embers generated by torching trees and seeks to identify the important physical and biological factors involved. The size of embers, number flux and propensity to ignite spot fires (i.e. number flux of ‘hot’…
Author(s): Tyler R. Hudson, Ryan B. Bray, David L. Blunck, Wesley G. Page, Bret W. Butler
Year Published:

Following a wildfire, regeneration to forest can take decades to centuries and is no longer assured in many western U.S. environments given escalating wildfire severity and warming trends. After large fire years, managers prioritize where to…
Author(s): Nicholas A. Povak, Derek J. Churchill, C. Alina Cansler, Paul F. Hessburg, Van R. Kane, Jonathan T. Kane, James A. Lutz, Andrew J. Larson
Year Published: