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Displaying 2161 - 2180 of 5663

Knowledge of historical forest conditions and disturbance regimes improves our understanding of landscape dynamics and provides a frame of reference for evaluating modern patterns, processes, and their interactions. In the western United States,…
Author(s): R. Keala Hagmann, Jens T. Stevens, Jamie M. Lydersen, Brandon M. Collins, John J. Battles, Paul F. Hessburg, Carrie R. Levine, Andrew G. Merschel, Scott L. Stephens, Alan H. Taylor, Jerry F. Franklin, Debora L. Johnson, K. Norman Johnson
Year Published:

The wildland-urban interface (WUI) is the area where houses and wildland vegetation meet or intermingle, and where wildfire problems are most pronounced. Here we report that the WUI in the United States grew rapidly from 1990 to 2010 in terms of…
Author(s): Volker C. Radeloff, David P. Helmers, Heather A. Kramer, Miranda H. Mockrin, Patricia M. Alexandre, Avi Bar-Massada, Van Butsic, Todd J. Hawbaker, Sebastian Martinuzzi, Alexandra D. Syphard, Susan I. Stewart
Year Published:

Faster than real-time wildland fire simulators are being increasingly adopted by land managers to provide decision support for tactical wildfire management and assist with strategic risk planning. These simulators are typically based on simple…
Author(s): Thomas J. Duff, Jane G. Cawson, Brett Cirulis, Petter Nyman, Gary J. Sheridan, Kevin G. Tolhurst
Year Published:

Introduction: The objective of this study was to document characteristics of hiking during wildland firefighter (WLFF) training and wildfire suppression. For the first time, the overall physical demands during wildland firefighting were evaluated in…
Author(s): Joseph A. Sol, Brent Ruby, Steven E. Gaskill, Charles L. Dumke, Joseph W. Domitrovich
Year Published:

Each year wildland fires kill and injure trees on millions of forested hectares globally, affecting plant and animal biodiversity, carbon storage, hydrologic processes, and ecosystem services. The underlying mechanisms of fire-caused tree mortality…
Author(s): Sharon M. Hood, J. Morgan Varner, Phillip J. van Mantgem, C. Alina Cansler
Year Published:

Downed woody material (DWM) is a key component in forest ecosystems with age, structure, and disturbance described as primary factors that influence DWM dynamics. In particular, much emphasis is placed on large coarse woody debris (CWD). Fine woody…
Author(s): Andrew D. Giunta, John D. Shaw
Year Published:

Wildland fire science literacy is the capacity for wildland fire professionals to understand and communicate three aspects of wildland fire: (1) the fundamentals of fuels and fire behavior, (2) the concept of fire as an ecological regime, and (3)…
Author(s): Devan A. McGranahan, Carissa L. Wonkka
Year Published:

This synthesis summarizes information available in the scientific literature on historical patterns and contemporary changes in fuels and fire regimes in mountain big sagebrush communities. This literature suggests that presettlement fires in the…
Author(s): Robin J. Innes
Year Published:

Wireless Sensor Networks (WSNs) have experienced phenomenal growth over the past decade. They are typically deployed in human-inaccessible terrains to monitor and collect time-critical and delay-sensitive events. There have been several studies on…
Author(s): Mian Ahmad Jan, Priyadarsi Nanda, Xiangjian He, Ren Ping Liu
Year Published:

Accordingly, the average annual risk of a wildfire destroying a home in the WUI was less than 1 onehundredth of 1 percent. Of course, the risk is much higher in fire-prone parts of the South and West, but so are expectations that government…
Author(s): Hutch Brown
Year Published:

We are conducting a project investigating policies that limit managers' ability to conduct prescribed fire on US Forest Service and Bureau of Land Management (BLM) lands in the 11 Western states. The goals for this phase of our work were to…
Author(s): Courtney Schultz, Heidi Huber-Stearns, Sarah M. McCaffrey, Douglas Quirke, Gwen Ricco, Cassandra Moseley
Year Published:

This paper deals with the modelling of living fuel ignition, suggesting that an accurate description using a multiphase formulation requires consideration of a thermal disequilibrium within the vegetation particle, between the solid (wood) and the…
Author(s): A. Lamorlette, M. El Houssami, D. Morvan
Year Published:

Wildfires are likely to have a major influence on below-ground patterns and processes in forests but these effects and their consequences to forest succession are generally poorly known. Ectomycorrhizal macrofungi (ECM) is a key below-ground…
Author(s): Kauko Salo, Jari Kouki
Year Published:

Natural resource managers sow grass, forb, and shrub seeds across millions of hectares of public lands in the western United States to restore sagebrush‐steppe ecosystems burned by wildfire. The effects of post‐fire vegetation treatments on insect…
Author(s): Ashley T. Rohde, David S. Pilliod, Stephen J. Novak
Year Published:

Soils are an important natural capital and can be negatively affected by high severity fires. The capacity of soil to recover from the degradation caused by fire disturbance depends on fire history, ash properties, topography, post-fire weather,…
Author(s): Paulo Pereira, Marcos Francos, Eric C. Brevik, Xavier Ubeda, Igor Bogunovic
Year Published:

Large wildfires with uncharacteristically high severity are occurring more frequently in western U.S. forests. The increasing size and severity of wildfires has been attributed to both an increase in weather conducive to fire spread and changes to…
Author(s): Brandon M. Collins, Jamie M. Lydersen, Van R. Kane, Nicholas A. Povak, Matthew L. Brooks, Douglas F. Smith
Year Published:

The greater sage-grouse (Centrocercus urophasianus; hereafter GRSG) has been a focus of scientific investigation and management action for the past two decades. The 2015 U.S. Fish and Wildlife Service listing determination of “not warranted” was in…
Author(s): Sarah Carter, D.J. Manier, Robert S. Arkle, A.N. Johnston, Susan L. Phillips, Steven E. Hanser, Z.H. Bowen
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Mastication is the process of chipping or shredding components of the tree canopy or above-ground vegetation to reduce the canopy, alter fire spread rates, and reduce crown fire potential. Mastication as a fuel treatment, either alone or in…
Author(s): Faith A. Heinsch, Pamela G. Sikkink, Helen Y. Smith, Molly L. Retzlaff
Year Published:

We developed ecologically based climate‐fire projections for the western United States. Using a finer ecological classification and fire‐relevant climate predictors, we created statistical models linking climate and wildfire area burned for…
Author(s): Jeremy S. Littell, Donald McKenzie, Ho Yi Wan, Samuel A. Cushman
Year Published:

Structurally diverse forests provide resilience to an array of disturbances and are a mainstay of multiple-resource management. Silviculture based on natural disturbance can increase structural heterogeneity while providing other ecological and…
Author(s): Justin S. Crotteau, Christopher R. Keyes, Sharon M. Hood, Andrew J. Larson, Elaine Kennedy Sutherland, David K. Wright, Joel M. Egan
Year Published: