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Displaying 941 - 960 of 5663

Mountain pine beetle (MPB; Dendroctonus ponderosae Hopkins) causes extensive tree mortality in whitebark pine (Pinus albicaulis Engelm) forests. Previous studies conducted in lodgepole pine (Pinus contorta Douglas), Douglas-fir (Pseudotsuga…
Author(s): Curtis A. Gray, Chelsea Toone, Michael J. Jenkins, Sarah E. Null, Larissa L. Yocom
Year Published:

Wildfire is a dynamic natural process that continually shapes the structure and composition of landscapes. However, due to a combination of factors including climate change, management decisions and population growth, this natural process is having…
Author(s): Brooke R. Saari, Sonia A. Hall
Year Published:

It is difficult to detect forest fires in complex backgrounds owing to the many interfering factors in forest fire smoke. In this paper, a novel method that combines Time Domain Robust Principal Component Analysis (TRPCA) and a Two-Stream Composed…
Author(s): Xiaohu Qiang, Guoxiong Zhou, Aibin Chen, Xin Zhang, Wenzhuo Zhang
Year Published:

Indigenous communities in the Pacific West of North America have long depended on fire to steward their environments, and they are increasingly asserting the importance of cultural burning to achieve goals for ecological and social restoration. We…
Author(s): Jonathan Long, Frank K. Lake, Ron Goode
Year Published:

The current COVID-19 pandemic has demonstrated the vulnerability of healthcare systems worldwide. When combined with natural disasters, pandemics can further strain an already exhausted healthcare system. To date, frameworks for quantifying the…
Author(s): Emad M. Hassan, Hussam Mahmoud
Year Published:

Wildfires pose a significant challenge to the natural and the built environments, as well as the safety and economic well-being of the communities residing in wildfire-prone areas. The electric power grid is specifically among the built environments…
Author(s): Ali Arab, Amin Khodaei, Rozhin Eskandarpour, Matthew P. Thompson, Yu Wei
Year Published:

Large-scale, high-severity wildfires are a major challenge to the future social-ecological sustainability of fire-adapted forest ecosystems in the American West. Managing forests to mitigate this risk is a collective action problem requiring…
Author(s): Susan Charnley, Erin C. Kelly, A. Paige Fischer
Year Published:

Researchers are increasingly examining patterns and drivers of postfire forest recovery amid growing concern that climate change and intensifying fires will trigger ecosystem transformations. Diminished seed availability and postfire drought have…
Author(s): Caitlin E. Littlefield, Solomon Z. Dobrowski, John T. Abatzoglou, Sean A. Parks, Kimberley T. Davis
Year Published:

Scholars, politicians, practitioners, and civil society increasingly call for sustainability transformations to cope with urgent social and environmental challenges. In sustainability transformations research, understandings of transformations are…
Author(s): David P. M. Lam, Elvira Hinz, Daniel J. Lang, Maria Tengö, Henrik von Wehrden, Berta Martín-López
Year Published:

In 2015, researchers from the U.S. Department of Agriculture Forest Service, Rocky Mountain Research Station, Human Dimensions Program (hereafter U.S. Forest Service), and the University of Córdoba, Forest Engineering Department, Forest Fire…
Author(s): Francisco Rodriguez y Silva, Juan Ramón Molina Martínez, Matthew P. Thompson, Kit O'Connor
Year Published:

In the western United States, restoration of forests with historically frequent, low‐severity fire regimes often includes fuel reduction that reestablish open, early‐seral conditions while reducing fuel continuity and loading. Between 2001 and 2016…
Author(s): Justin S. Crotteau, Christopher R. Keyes, Sharon M. Hood, Andrew J. Larson
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
Year Published:

In recent years, severe and deadly wildland-urban interface (WUI) fires have resulted in an increased focus on this particular risk to humans and property, especially in Canada, USA, Australia, and countries in the Mediterranean area. Also, in areas…
Author(s): Torgrim Log, Vigdis Vandvik, Liv G. Velle, Maria-Monika Metallinou
Year Published:

Local and regional species extirpations may become more common as changing climate and disturbance regimes accelerate species’ in situ range contractions. Identifying locations that function as both climate and disturbance refugia is critical for…
Author(s): William M. Downing, James D. Johnston, Meg A. Krawchuk, Andrew G. Merschel, Joseph H. Rausch
Year Published:

Bark beetles are primary disturbance agents in western US forests. Outbreaks affect goods and services associated with forest ecosystems including timber, water, fish and wildlife habitats and populations, recreation opportunities, and many others.…
Author(s): Daniel W. McCollum, John E. Lundquist
Year Published:

In 2018, Fire Management Today carried an article on smoke exposure (6 Minutes for Safety 2018). The article describes actions you can take to mitigate smoke exposure and techniques for reducing the exposure of firefighters to heavy smoke. The…
Author(s): Randall C. Thomas
Year Published:

The 2001 Forest Service Roadless Rule prohibits roadbuilding in forests across an area equivalent to the combined states of New York and Maine (236 000 km2). There have been recent assertions that roads are needed to prevent fire and to keep forests…
Author(s): Sean P. Healey
Year Published:

After a more than a century of fighting to keep fire out of forests, reintroducing it is now an important management goal. Yet changes over the past century have left prescribed burning with a big job to do. Development, wildfire suppression, rising…
Author(s): Sylvia Kantor, Becky K. Kerns, Michelle A. Day
Year Published:

Because wildfires don’t stop at ownership boundaries, managers from governmental and nongovernmental organizations in Northern Colorado are taking steps to pro-actively “co-manage” wildfire risk through the Northern Colorado Fireshed Collaborative (…
Author(s): Tony S. Cheng, Michael D. Caggiano
Year Published:

With increasing heat and droughts world-wide, wildfires are becoming a more serious global threat to the world’s population. Wildfire smoke is composed of approximately 80% to 90% of fine (<2.5 um) and ultrafine (<1 um) particulate matter (PM…
Author(s): Mary M. Prunicki, Christopher C. Dant, Shu Cao, Holden Maecker, Francois Haddad, Juyong Brian Kim, Michael Snyder, Joseph Wu, Kari Nadeau
Year Published: