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Displaying 21 - 40 of 342

Aims:Fire regimes are key drivers of ecosystem dynamics and are changing worldwide. Uncertainty about how fire history affects responses to individual fires hampers predictions of fire impacts on important ecosystem functions such as C cycling. Thus…
Author(s): Ingrid J. Slette, Alannah Liebert, Alan K. Knapp
Year Published:

Harold Biswell first learned about the benefits of prescribed fire in forest management when he was a Forest Service researcher in Georgia, USA. After he accepted a professorship in the School of Forestry at the University of California, Berkeley,…
Author(s): Scott L. Stephens, Jan W. van Wagtendonk, James K. Agee, Ronald H. Wakimoto
Year Published:

Wildfires in many western North American forests are becoming more frequent, larger, and severe, with changed seasonal patterns. In response, coniferous forest ecosystems will transition toward dominance by fire-adapted hardwoods, shrubs, meadows,…
Author(s): Henriette I. Jager, Jonathan Long, Rachel L. Malison, Brendan P. Murphy, Ashley J. Rust, Luiz G. M. Silva, Rahel Sollmann, Zachary L. Steel, Mark D. Bowen, Jason B. Dunham, Joseph L. Ebersole, Rebecca L. Flitcroft
Year Published:

Recent wildfires in the western United States have led to substantial economic losses and social stresses. There is a great concern that the new climatic state may further increase the intensity, duration, and frequency of wildfires. To examine…
Author(s): Emily K. Brown, Jiali Wang, Yan Feng
Year Published:

Climate change is expected to increase fire activity in many regions of the globe, but the relative role of human vs. lightning-caused ignitions on future fire regimes is unclear. We developed statistical models that account for the spatiotemporal…
Author(s): Ana M. G. Barros, Michelle A. Day, Haiganoush K. Preisler, John T. Abatzoglou, Meg A. Krawchuk, Rachel M. Houtman, Alan A. Ager
Year Published:

An automated burned area extraction routine that attempts to overcome the particular difficulties of remote sensing applications in complex landscapes is presented and tested in the mountainous region of northwest Yunnan, China. In particular, the…
Author(s): David Fornacca, Guopeng Ren, Wen Xiao
Year Published:

Wildland fire shaped the historical ponderosa pine and mixed-conifer forest landscapes throughout the West. Fire was also a controlling force in most of the drier vegetation types, ranging from shortgrass prairie to chaparral, scrub oak, and pinyon–…
Author(s): Stephen F. Arno
Year Published:

Northern Eurasia is currently highly sensitive to climate change. Fires in this region can have significant impacts on regional air quality, radiative forcing and black carbon deposition in the Arctic which can accelerate ice melting. Using a MODIS-…
Author(s): Wei Min Hao, Matthew C. Reeves, L. Scott Baggett, Yves Balkanski, Philippe Ciais, Bryce L. Nordgren, Alexander P. Petkov, Rachel E. Corley, Florent Mouillot, Shawn P. Urbanski, Chao Yue
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We celebrate the 50th anniversary of the Canadian Journal of Forest Research by reflecting on the considerable progress accomplished in select areas of Canadian wildland fire science over the past half century. Specifically, we discuss key…
Author(s): Sean C. P. Coogan, Lori D. Daniels, Den Boychuk, Philip J. Burton, Michael D. Flannigan, Sylvie Gauthier, Victor G. Kafka, Jane Park, B. Mike Wotton
Year Published:

n August 1910, wildfires swept through 3 million acres (1.6 million ha) of heavily forested mountain country in northern Idaho and adjacent Montana. About 85 people perished in the flames, and the Forest Service’s fire protection program was caught…
Author(s): Stephen F. Arno
Year Published:

Humans have both intentional and unintentional impacts on their environment, yet identifying the enduring ecological legacies of past small-scale societies remains difficult, and as such, evidence is sparse. The present study found evidence of an…
Author(s): Bruce M. Pavlik, Lisbeth A. Louderback, Kenneth B. Vernon, Peter M. Yaworsky, Cynthia Wilson, Arnold Clifford, Brian F. Codding
Year Published:

Warm summer temperatures and longer fire seasons are promoting larger, and in some cases, more fires that are severe in low- and mid-elevation, dry mixed-conifer forests of the Northern Rocky Mountains (NRM). Long-term historical fire conditions and…
Author(s): Dave McWethy, Mio Alt, Elena Argiriadis, Dario Battistel, Richard G. Everett, Gregory T. Pederson
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:

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:

Background: Ecological disturbance is a major driver of ecosystem structure and evolutionary selection, and theory predicts that the frequency and/or intensity of disturbance should determine its effects on communities. However, adaptations of…
Author(s): Jesse E. D. Miller, Hugh Safford
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:

Paleoecological records detailing fire and vegetation histories during previous interglacials are extremely rare. We present a unique, high-resolution, 10-m long record of fire from a high elevation conifer-dominated site - the Snowmastodon (Ziegler…
Author(s): R. Scott Anderson, Gonzalo Jiménez-Moreno, Monique Belanger, Christy E. Briles
Year Published:

Riparian forests link terrestrial and freshwater communities and therefore understanding the landscape context of fire regimes in these forests is critical to fully understanding the landscape ecology. However, few direct studies of fire regimes…
Author(s): Grant Harley, Emily K. Heyerdahl, James D. Johnston, Diana L. Olson
Year Published:

We discovered unique Douglas-fir open woodlands in the Umatilla National Forest using historical surveys. Historical ponderosa pine forests of the western United States are transitioning to denser forests comprised of a greater proportion of fire-…
Author(s): Brice B. Hanberry, Donald Justice, David Powell
Year Published:

Background: Prairie-forest ecotones are ecologically important for biodiversity and ecological processes. While these ecotones cover small areas, their sharp gradients in land cover promote rich ecological interaction and high conservation value.…
Author(s): Penelope Morgan, Emily K. Heyerdahl, Eva K. Strand, Stephen C. Bunting, James P. Riser, John T. Abatzoglou, Max W. Nielsen-Pincus, Mara Johnson
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