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Displaying 1561 - 1580 of 5663

The FireFlux II experiment was conducted in a tall grass prairie located in south-east Texas on 30 January 2013 under a regional burn ban and high fire danger conditions. The goal of the experiment was to better understand micrometeorological…
Author(s): Craig B. Clements, Adam K. Kochanski, Daisuke Seto, Braniff Davis, Christopher Camacho, Neil Lareau, Jonathan Contezac, Joseph C. Restaino, Warren Heilman, Steven K. Krueger, Bret W. Butler, Roger D. Ottmar, Robert E. Vihnanek, James Flynn, Jean-Baptiste Filippi, Toussaint Barboni, Dianne E. Hall, Jan Mandel, Mary Ann Jenkins, Joseph J. O'Brien, Benjamin Hornsby, Casey Teske
Year Published:

Wyoming big sagebrush is a widely distributed shrub that is native to the western United States. It occupies the largest area of the big sagebrush cover types. Wyoming big sagebrush ecosystems support hundreds of plant and animal species, including…
Author(s): Robin J. Innes
Year Published:

Fine-fuel moisture is an important variable in the wildland fire environment, but measuring live fuel moisture is time-consuming. There is a strong incentive to develop technologies that provide instantaneous measurements of fine-fuel moisture.…
Author(s): Devan A. McGranahan
Year Published:

Climate warming in the western United States is causing changes to the wildfire regime in mixed‐conifer forests. Rising temperatures, longer fire seasons, increased drought, as well as fire suppression and changes in land use, have led to greater…
Author(s): Brooke A. Cassell, Robert M. Scheller, Melissa S. Lucash, Matthew D. Hurteau, E. Louise Loudermilk
Year Published:

During the End-Permian mass extinction event (EPME) there is extensive evidence for depletion of oxygen in the marine realm. Atmospheric models based upon biogeochemical cycling predict a comparable decline leading up to this event and have been…
Author(s): Zhiming Yan, Longyi Shao, I. J. Glasspool, Xuetian Wang, Juan Wang, Hao Wang
Year Published:

As highly productive and biologically diverse communities, healthy quaking aspen (Populus tremuloides; hereafter aspen) forests provide a wide range of ecosystem services across western North America. Western aspen decline during the last century…
Author(s): Stanley G. Kitchen, Patrick N. Behrens, Sherel Goodrich, Ashley Green, John Guyon, Mary H. O'Brien, David Tart
Year Published:

The national symbol of forest fire prevention, Smokey Bear, and the slogan, 'Only you can prevent forest fires!' already existed when a group of firefighters on the Capitan Gap Fire found an orphaned bear cub clinging to a tree after a flareup. The…
Author(s): Larry S. Allen
Year Published:

Large wildfires can cover millions of hectares of forest every year worldwide, causing losses in ecosystems and assets. Fire simulation and modeling provides an analytical scheme to characterize and predict fire behavior and spread in several and…
Author(s): Adrián Cardil, Santiago Monedero, Joaquin Ramírez, Alberto Silva
Year Published:

To optimize suppression, restoration, and prevention plans against wildfire, postfire assessment is a key input. Since little research has been carried out on applying Sentinel-2 imagery through an integrated approach to evaluate how environmental…
Author(s): Juan Picos, Laura Alonso, Guillermo Bastos, Julia Armesto
Year Published:

Exotic grass invasions are often facilitated by disturbances, which provide opportunities for invasion by releasing pulses of resources available to invaders. Where disturbances such as prescribed fire are used as a management tool, there is a…
Author(s): Alexandra K. Urza, Peter J. Weisberg, Jeanne C. Chambers, David Board, Samuel W. Flake
Year Published:

Purpose of Review: The effectiveness of wildfire suppression is difficult to define as it can be assessed against different objectives and at a range of scales. The influence of multiple variables make it a challenge to research. This two-part…
Author(s): Matt P. Plucinski
Year Published:

The resilience of resource-based communities facing natural disturbances partly depends on the capacity of a wide diversity of stakeholders to share their expertise, articulate their efforts, and develop solutions that are both effective and…
Author(s): Rodolphe Gonzalès, Lael Parrott
Year Published:

Wildfires are natural disturbances in the western United States. Managing the resulting stands of dead and dying trees requires balancing conflicting priorities. Although these trees provide wildlife habitat and salvage logging revenue, they also…
Author(s): Sharon M. Hood, Sheri L. Smith, Renate Bush, Maurice Huynh
Year Published:

Research highlights: The biology of mountain pine beetle (MPB), Dendroctonus ponderosae Hopkins, in Colorado’s lodgepole pine forests exhibits similarities and differences to other parts of its range. Brood emergence was not influenced by stand…
Author(s): Jose F. Negron
Year Published:

Reestablishment of perennial vegetation is often needed after wildfires to limit exotic species and restore ecosystem services. However, there is growing body of evidence that questions if seeding after wildfires increases perennial vegetation and…
Author(s): Kirk W. Davies, Jonathan D. Bates, Chad S. Boyd
Year Published:

After wildfire, hillslope and channel erosion produce large amounts of sediment and can contribute significantly to long‐term erosion rates. However, pre‐erosion high‐resolution topographic data (e.g. lidar) is often not available and determining…
Author(s): Nicholas G. Ellett, Jennifer L. Pierce, Nancy F. Glenn
Year Published:

(1) Background: Frequent fire, climate variability, and human activities collectively influence savanna ecosystems. The relative role of these three factors likely varies on interannual, decadal, and centennial timescales. Here, we tested if Euro-…
Author(s): Berangere Leys, Daniel Griffin, Evan R. Larson
Year Published:

Forest watersheds provide over half of our national water supplies. Millions of people depend on surface freshwater supplies from fire-prone headwater forests, used for drinking, irrigation, industry, and hydropower. However wildland fires in the…
Author(s): Ge Sun, Dennis W. Hallema, Erika C. Cohen, Steven G. McNulty, Peter V. Caldwell, Francois-Nicolas Robinne, Steven P. Norman, Yongqiang Liu
Year Published:

Fire outbreaks are a serious risk in campsites due to the surroundings and dynamic environment of these areas. Due to climate change, conditions of high ignition propensity are becoming more frequent, leading to an increased need for the development…
Author(s): Maria João Sousa, Alexandra Moutinho, Miguel Almeida
Year Published:

Ponderosa pine (Pinus ponderosa Lawson & C. Lawson) is a prominent tree species in forests of the western United States. Wildfire activity in ponderosa pine dominated or co-dominated forests has increased dramatically in recent decades, with…
Author(s): Julie E. Korb, Paula J. Fornwalt, Camille Stevens-Rumann
Year Published: