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Ecosystem

Displaying 3221 - 3240 of 6016 results

How accounting for doubt helps inform decision making.
Author(s): Bruce G. Marcot, Matthew P. Thompson, Thomas W. Bonnot, Frank R. Thompson
Year Published:

The Integrated Rangeland Fire Management Strategy (hereafter Strategy, DOI 2015) outlined the need for coordinated, science-based adaptive management to achieve long-term protection, conservation, and restoration of the sagebrush (…
Author(s): Integrated Rangeland Fire Management Strategy Actionable Science Plan Team
Year Published:

As climate has warmed over recent years, a new pattern of more frequent and more intense weather events has unfolded across the globe. Climate models simulate such changes in extreme events, and some of the reasons for the changes are well…
Author(s): Committee on Extreme Weather Events and Climate Change Attribution
Year Published:

Forests historically associated with frequent fire have changed dramatically due to fire suppression and past harvesting over the last century. The buildup of ladder fuels, which carry fire from the surface of the forest floor to tree crowns, is one…
Author(s): Heather A. Kramer, Brandon M. Collins, Frank K. Lake, Marek K. Jakubowski, Scott L. Stephens, Maggi Kelly
Year Published:

Fire suppression has altered the historical mixed-severity fire regime and homogenised forest structures in Jasper National Park, Canada. We used dendrochronology to reconstruct fire history and assess forest dynamics at 29 sites in the montane…
Author(s): Raphael D. Chavardes, Lori D. Daniels
Year Published:

Ongoing challenges to understanding how hazard exposure and disaster experiences influence perceived risk lead us to ask: Is seeing believing? We approach risk perception by attending to two components of overall risk perception: perceived…
Author(s): Patricia A. Champ, Hannah Brenkert-Smith
Year Published:

There has been relatively little research on Wildland-Urban Interface (WUI) fire spread, compared to fires within structures, despite the increasing frequency and losses from WUI fires. This is due, in part, to the fact that the subject of WUI fire…
Author(s): Alexander Maranghides
Year Published:

The direct effects of climate change on alpine treeline ecotones – the transition zones between subalpine forest and non-forested alpine vegetation – have been studied extensively, but climate-induced changes in disturbance regimes have received…
Author(s): C. Alina Cansler, Donald McKenzie, Charles B. Hansler
Year Published:

No abstract available.
Author(s): Justin Barton Lauer
Year Published:

An assessment of outcomes from research projects funded by the Joint Fire Science Program was conducted to determine whether or not science has been used to inform management and policy decisions and to explore factors that facilitate use of fire…
Author(s): Molly E. Hunter
Year Published:

Prior work shows western US forest wildfire activity increased abruptly in the mid-1980s. Large forest wildfires and areas burned in them have continued to increase over recent decades, with most of the increase in lightning-ignited fires. Northern…
Author(s): Anthony L. Westerling
Year Published:

Escalating wildfire in subalpine forests with stand- replacing fire regimes is increasing the extent of early- seral forests throughout the western USA. Post- fire succession generates the fuel for future fires, but little is known about fuel loads and…
Author(s): Kellen N. Nelson, Monica G. Turner, William H. Romme, Daniel B. Tinker
Year Published:

Previous research has focused on quantifying fuel loadings and using operational fire behavior models to understand changes in fire severity following MPB outbreaks. In this study however, researchers used direct field measurements taken from the…
Author(s): Northwest Fire Science Consortium
Year Published:

Mastication of shrubs and small trees to reduce fire hazard has become a widespread management practice, yet many aspects of the fire behaviour of these unique woody fuelbeds remain poorly understood. To examine the effects of fuelbed aging on fire…
Author(s): Jesse K. Kreye, J. Morgan Varner, Jeffrey M. Kane, Eric E. Knapp, Warren P. Reed
Year Published:

Effect of moisture content and heat flux type on ignition of foliage from 10 live fuels was examined over the course of a year using two apparatuses: a flat-flame burner coupled with a radiant panel and a Forced Ignition and flame Spread Test (FIST…
Author(s): David R. Weise, Thomas H. Fletcher, Shankar M. Mahalingam, Sara S. McAllister, Babak Shotorban, William Matt Jolly
Year Published:

We live on a flammable planet yet there is little consensus on the origin and evolution of flammability in our flora. We argue that part of the problem lies in the concept of flammability, which should not be viewed as a single quantitative trait or…
Author(s): Juli G. Pausas, Jon E. Keeley, Dylan W. Schwilk
Year Published:

Indigenous and sustainability sciences have much to offer one another regarding the identification of techniques and methods for sustaining resilient landscapes. Based upon the literature, and our findings, it is evident that some Indigenous peoples…
Author(s): Jay T. Johnson, Richard Howitt, Gregory Cajete, Fikret Berkes, Renee Pualani Louis, Andrew D. Kliskey
Year Published:

Following wildfires, forest managers often consider salvage logging burned trees to recover monetary value of timber, reduce fuel loads, or to meet other objectives.. Relatively little is known about the cumulative hydrologic effects of wildfire and…
Author(s): Joseph W. Wagenbrenner, Peter R. Robichaud, Robert E. Brown
Year Published:

Each year, the general public and wildland firefighters in the US are exposed to smoke from wildland fires. As part of an effort to characterize health risks of breathing this smoke, a review of the literature was conducted using five major…
Author(s): Olorunfemi Adetona, Timothy E. Reinhardt, Joe Domitrovich, George Broyles, Anna M. Adetona, Michael T. Kleinman, Roger D. Ottmar, Luke P. Naeher
Year Published:

The complexity of impacts resulting from extreme precipitation events varies with the spatial extent of precipitation extremes. Characteristics of precipitation extremes, defined by the top 5% of 3-day accumulated precipitation, including their…
Author(s): Lauren E. Parker, John T. Abatzoglou
Year Published: