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Ecosystem

Displaying 3061 - 3080 of 5962 results

One of the immediate challenges of wildfire management concerns threats to human safety and property in residential areas adjacent to non-cultivated vegetation. One approach for relieving this problem is to increase human community ‘adaptiveness’ to…
Author(s): Matthew S. Carroll, Travis B. Paveglio
Year Published:

The hazards-of-place model posits that vulnerability to environmental hazards depends on both biophysical and social factors. Biophysical factors determine where wildfire potential is elevated, whereas social factors determine where and how people…
Author(s): Gabriel Wigtil, Roger B. Hammer, Jeffrey D. Kline, Miranda H. Mockrin, Susan I. Stewart, Daniel Roper, Volker C. Radeloff
Year Published:

In late successional forests, stand development processes are often more easily monitored and are more closely related to key ecological parameters when using structural criteria rather than stand age or time since stand-replacing disturbance. In…
Author(s): Corey R. Halpin, Craig G. Lorimer
Year Published:

This publication chronicles the understanding, controlling, and impacts of mountain pine beetles (MPB) central to the Black Hills of South Dakota and Wyoming from the time they were described by Hopkins in 1902, through the presentation of data from…
Author(s): Russell T. Graham, Michael A. Battaglia, Theresa B. Jain, Lance A. Asherin, Stephen A. Mata
Year Published:

Record blazes swept across parts of the US in 2015, burning more than 10 million acres. The four biggest fire seasons since 1960 have all occurred in the last 10 years, leading to fears of a ‘new normal’ for wildfire. Fire fighters and forest…
Author(s): Tania L. Schoennagel, Penelope Morgan, Jennifer Balch, Philip E. Dennison, Brian J. Harvey, Richard L. Hutto, Meg A. Krawchuk, Max A. Moritz, Ray Rasker, Cathy L. Whitlock
Year Published:

Fire as a major evolutionary force has been disputed because it is considered to lack supporting evidence. If a trait has evolved in response to selection by fire then the environment of the plant must have been fire-prone before the appearance of…
Author(s): Byron B. Lamont, Tianhua He
Year Published:

In areas where fire regimes and forest structure have been dramatically altered, there is increasing concern that contemporary fires have the potential to set forests on a positive feedback trajectory with successive reburns, one in which extensive…
Author(s): Michelle Coppoletta, Kyle E. Merriam, Brandon M. Collins
Year Published:

Annual streamflows have decreased across mountain watersheds in the Pacific Northwest of the United States over the last ~70 years; however, in some watersheds, observed annual flows have increased. Physically based models are useful tools to reveal…
Author(s): Liang Wei, Timothy E. Link, Andrew T. Hudak, John D. Marshall, Kathleen L. Kavanagh, John T. Abatzoglou, Hang Zhou, Robert E. Pangle, Gerald N. Flerchinger
Year Published:

Wildfire behavior is a complex and stochastic phenomenon that can present unique tactical management challenges. This paper investigates a multistage stochastic mixed integer program with full recourse to model spatially explicit fire behavior and…
Author(s): Erin J. Belval, Yu Wei, Michael Bevers
Year Published:

LANDFIRE’s suite of spatial data layers are a valuable resource for land managers because they stretch “wall-to-wall” across the US, are created with a consistent methodology and are updated over time. These data are designed to support broad-…
Author(s): Don Helmbrecht, Kori Blankenship
Year Published:

Sagebrush ecosystems are among the largest and most threatened ecosystems in North America. Greater sage-grouse has served as the bellwether for species conservation in these ecosystems and has been considered for listing under the Endangered…
Author(s): Deborah M. Finch, Douglas A. Boyce, Jeanne C. Chambers, Chris J. Colt, R. Kasten Dumroese, Stanley G. Kitchen, Clinton McCarthy, Susan E. Meyer, Bryce A. Richardson, Mary M. Rowland, Mark A. Rumble, Michael K. Schwartz, Monica S. Tomosy, Michael J. Wisdom
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There are fundamental spatial and temporal disconnects between the specific policies that have been crafted to address our wildfire challenges. The biophysical changes in fuels, wildfire behavior, and climate have created a new set of conditions for…
Author(s): Toddi A. Steelman
Year Published:

Fire is a natural process and the dominant disturbance shaping plant and animal communities in many coniferous forests of the western US. Given that fire size and severity are predicted to increase in the future, it has become increasingly important…
Author(s): Angela M. White, Patricia N. Manley, Gina L. Tarbill, T. Will Richardson, Robin E. Russell, Hugh Safford, Solomon Z. Dobrowski
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Global increases in the occurrence of large, severe wildfires in forested watersheds threaten drinking water supplies and aquatic ecology. Wildfire effects on water quality, particularly nutrient levels and forms, can be significant. The longevity…
Author(s): Monica B. Emelko, Mike Stone, Uldis Silins, Adrian L. Collins, Chris H. S. Williams, Amanda M. Martens, Kevin D. Bladon
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The interactions between climate and wildland fire are complex. To better understand these interactions, we used ArcMap 10.2.2 to examine the relationships between early spring snowmelt and total annual area burned…
Author(s): Donal S. O'Leary, Trevor D. Bloom, Jacob C. Smith, Christopher R. Zemp, Michael J. Medler
Year Published:

This report summarizes research funded by the Joint Fire Science Program (JFSP Project Number 12-1-03-31) addressing needs for information regarding the effectiveness and longevity of fuels treatments. We investigated the longevity of effects…
Author(s): J. Morgan Varner, Eric E. Knapp, Stacy Drury, Jesse K. Kreye, Gregory Hamby, Warren Reed
Year Published:

Little is known about public tolerance of smoke from wildland fires. By combining data from two household surveys, we sought to determine whether tolerance of smoke from wildland fires varies with its origin or managerial rationale, to describe…
Author(s): Jesse M. Engebretson, Troy E. Hall, Jarod Blades, Christine Olsen, Eric Toman, Stacey S. Frederick
Year Published:

Context: An increase in the incidence of large wildfires worldwide has prompted concerns about the resilience of forest ecosystems, particularly in the western U.S., where recent changes are linked with climate warming and 20th-century land…
Author(s): Kerry Kemp, Philip E. Higuera, Penelope Morgan
Year Published:

Increasing costs of wildfire management have highlighted the need to better understand suppression expenditures and potential tradeoffs of land management activities that may affect fire risks. Spatially and temporally descriptive data is used to…
Author(s): Michael S. Hand, Matthew P. Thompson, David E. Calkin
Year Published:

Wildfires shape the distribution and structure of vegetation across the inland northwestern United States. However, fire activity is expected to increase given the current rate of climate change, with uncertain outcomes. A fire impact that has not…
Author(s): Arjan J. H. Meddens, Crystal A. Kolden, James A. Lutz
Year Published: