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Ecosystem

Displaying 2861 - 2880 of 5894 results

Fire-prone landscapes present many challenges for both managers and policy makers in developing adaptive behaviors and institutions. We used a coupled human and natural systems framework and an agent-based landscape model to examine how alternative…
Author(s): Thomas A. Spies, Eric M. White, Alan A. Ager, Jeffrey D. Kline, John P. Bolte, Emily K. Platt, Keith A. Olsen, Robert J. Pabst, Ana M. G. Barros, John D. Bailey, Susan Charnley, Jennifer Koch, Michelle M. Steen-Adams, Peter H. Singleton, James Sulzman, Cynthia Schwartz, Blair Csuti
Year Published:

Forest managers in the United States must respond to the need for climate-adaptive strategies in the face of observed and projected climatic changes. However, there is a lack of on-the-ground forest adaptation research to indicate what adaptation…
Author(s): Linda Nagel, Brian J. Palik, Michael A. Battaglia, Anthony W. D'Amato, James M. Guldin, Christopher W. Swanston, Maria K. Janowiak, Matthew P. Powers, Linda A. Joyce, Constance I. Millar, David L. Peterson, Lisa Ganio, Chad Kirschbaum, Molly R. Roske
Year Published:

Champ’s presentation focused on how to get homeowners to take action to protect their properties from fire. She framed this challenge as a last-mile problem, which is a concept from the literature on supply chain. The last mile is the end of the…
Author(s): Patricia A. Champ
Year Published:

Ontario wildland firefighting is a hazardous and safety-critical operation with relatively high injury rates. This is indicated by the 10-year average of 4.46 lost-time injuries per 100 workers in Ontario wildland firefighting compared to 0.95-1.88…
Author(s): Zachary McGillis
Year Published:

Major declines of whitebark pine forests throughout western North America from the combined effects of mountain pine beetle (Dendroctonus ponderosae) outbreaks, fire exclusion policies, and the exotic disease white pine blister rust (WPBR) have…
Author(s): Robert E. Keane, Lisa M. Holsinger, M. F. Mahalovich, Diana F. Tomback
Year Published:

The fire characteristics chart is a graphical method of presenting U.S. National Fire Danger Rating System (NFDRS) indexes and components as well as primary surface or crown fire behavior characteristics. Computer software has been developed to…
Author(s): Faith A. Heinsch, Patricia L. Andrews, D. A. Tirmenstein
Year Published:

Wildland fire is a disturbance that can profoundly impact the environment and human health and welfare. While climate is generally a critical driving factor shaping the occurrence and impacts of fire, fire can also play a role in shaping climate.…
Author(s): Anping Chen, Richard A. Birdsey
Year Published:

As a key part of the Fourth National Climate Assessment (NCA4), the U.S. Global Change Research Program (USGCRP) oversaw the production of this stand-alone report of the state of science relating to climate change and its physical impacts. The…
Author(s): Donald J. Wuebbles, David Fahey, Kathy Hibbard, David J. Dokken, Brooke C. Stewart, Thomas Maycock
Year Published:

Heating of unburned fuel by attached flames and plume of a wildfire can produce high spread rates that have resulted in firefighter fatalities worldwide. Qualitative flow fields of the plume of a gas burner embedded in a table tilted to 0°, 10°, 20…
Author(s): Torben Grumstrup, Sara S. McAllister, Mark A. Finney
Year Published:

Biological decomposition and wildfire are connected carbon release pathways for dead plant material: slower litter decomposition leads to fuel accumulation. Are decomposition and surface fires also connected through plant community composition, via…
Author(s): Johannes H. C. Cornelissen, Saskia Grootemaat, Lieneke M. Verheijen, William K. Cornwell, Peter M. van Bodegom, Rene Van der Wal, Rien Aerts
Year Published:

Creating a safe workplace for wildland firefighters has long been at the centre of discussion for researchers and practitioners. The goal of wildland fire safety research has been to protect operational firefighters, yet its contributions often fall…
Author(s): Theodore Adams, Bret W. Butler, Sara Brown, Vita Wright, Anne E. Black
Year Published:

Piñon-juniper woodlands of the western United States have expanded 2 to 10-fold since the late 1800’s. Tree control measures using chainsaws, heavy equipment and prescribed fire have been used to reduce woodlands and restore big sagebrush steppe and…
Author(s): Jonathan D. Bates, Kirk W. Davies
Year Published:

Multidecadal trends in areas burned with high severity shape ecological effects of fires, but most assessments are limited to ∼30 years of satellite data. We analysed the proportion of area burned with high severity, the annual area burned with high…
Author(s): Penelope Morgan, Andrew T. Hudak, Ashley Wells, Sean A. Parks, Scott L. Baggett, Benjamin C. Bright, Patricia Green
Year Published:

One crucial component of large fire response in the United States (US) is the sharing of wildland firefighting resources between regions: resources from regions experiencing low fire activity supplement resources in regions experiencing high fire…
Author(s): Erin J. Belval, Yu Wei, David E. Calkin, Crystal S. Stonesifer, Matthew P. Thompson, John R. Tipton
Year Published:

Wildfires have significant effects on human populations, economically, environmentally, and in terms of their general well-being. Smoke pollution, in particular, from either prescribed burns or uncontrolled wildfires, can have significant health…
Author(s): Sonya Sachdeva, Sarah M. McCaffrey, Dexter Locke
Year Published:

Soon after its inception in the early 1900s the U.S. Forest Service adopted a policy that can be described as “fire exclusion,” based on the view that forest fires were unnecessary and a menace.1 In the late 1970s, however, the agency was compelled…
Author(s): Stephen F. Arno
Year Published:

In this paper, we argue that the statement ‘Whoever owns the fuel owns the fire’ implies a duty on landowners to manage fuel on their land to reduce the likelihood of bushfires, however started, from spreading to neighbouring properties. However,…
Author(s): Michael Eburn, Geoffrey J. Cary
Year Published:

Smoke from fire can sharply reduce air quality by releasing particulate matter, one of the most dangerous types of air pollution for human health. A third of U.S. households have someone sensitive to smoke. Minimizing the amount and impact of smoke…
Author(s): Rachel White, Paul F. Hessburg, Narasimhan K. Larkin, J. Morgan Varner
Year Published:

A growing body of research indicates that communities at risk from wildfire differ in terms of the local social context that influences adaptive planning, mitigations or collective actions. Less work has attempted to document critical differences in…
Author(s): Travis B. Paveglio, Max W. Nielsen-Pincus, Jesse Abrams, Cassandra Moseley
Year Published:

Markov decision process models were extended to reflect some consequences of the risk attitude of forestry decision makers. One approach consisted of maximizing the expected value of a criterion subject to an upper bound on the variance or,…
Author(s): Joseph Buongiorno, Mo Zhou, Craig Johnston
Year Published: