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Displaying 941 - 960 of 5663

Altered climate, including weather extremes, can cause major shifts in vegetative recovery after disturbances. Predictive models that can identify the separate and combined temporal effects of disturbance and weather on plant communities and that…
Author(s): Cara Applestein, T. Trevor Caughlin, Matthew J. Germino
Year Published:

In recent years wildland fires in the United States have had significant impacts on local and regional air quality and negative human health outcomes. Although the primary health concerns from wildland fires come from fine particulate matter (PM2:5…
Author(s): Russell W. Long, Andrew Whitehill, Andrew Habel, Shawn P. Urbanski, Hannah Halliday, Maribel Colón, Surender Kaushik, Matthew S. Landis
Year Published:

Formal regulation of private property and exploration of 'risk transmission' across ownerships are two popular means for addressing wildfire management at landscape scales. However, existing studies also indicate that a number of barriers exist for…
Author(s): Travis B. Paveglio, Amanda M. Stasiewicz, Catrin Edgeley
Year Published:

Dangerous wildfire conditions continue to threaten people and ecosystems across the globe and cooperation is critical to meeting the outsized need for increased prescribed burning in wildfire risk reduction work. Despite the benefits of using…
Author(s): Heidi Huber-Stearns, Anna Santo, Courtney Schultz, Sarah M. McCaffrey
Year Published:

Wildfires in forest ecosystems have been well studied, while wildfires in rangelands ecosystems have received less attention. This study evaluated temporal trends of large wildfires on rangelands in western US from 1984 to 2017, using the Monitoring…
Author(s): Zheng Li, Jay P. Angerer, X. Ben Wu
Year Published:

Wildfires in many western North American forests are becoming more frequent, larger, and severe, with changed seasonal patterns. In response, coniferous forest ecosystems will transition toward dominance by fire-adapted hardwoods, shrubs, meadows,…
Author(s): Henriette I. Jager, Jonathan Long, Rachel L. Malison, Brendan P. Murphy, Ashley J. Rust, Luiz G. M. Silva, Rahel Sollmann, Zachary L. Steel, Mark D. Bowen, Jason B. Dunham, Joseph L. Ebersole, Rebecca L. Flitcroft
Year Published:

Background: Litter is the predominant fuel that drives surface fire behavior in most fire-prone forest and woodland ecosystems. The flammability of litter is driven by fuel characteristics, environmental factors, and the interactive effects of the…
Author(s): Jesse K. Kreye, Jeffrey M. Kane, J. Morgan Varner, J. Kevin Hiers
Year Published:

Significance: Wildfire emissions in the western United States have had increasingly larger impacts on air quality, health, and climate forcing in recent decades. However, our understanding of how wildfire plume composition evolves remains incomplete…
Author(s): Brett B. Palm, Qiaoyun Peng, Carley D. Fredrickson, Ben H. Lee, Lauren A. Garofalo, Matson A. Pothier, Sonia M. Kreidenweis, Delphine K. Farmer, Rudra P. Pokhrel, Yingjie Shen, Shane M. Murphy, Wade Permar, Lu Hu, Teresa L. Campos, Samuel R. Hall, Kirk Ullmann, Xuan Zhang, Frank Flocke, Emily V. Fischer, Joel A. Thornton
Year Published:

Assessing wildfire regimes and their environmental drivers is critical for effective land management and conservation. We used Landsat imagery to describe the wildfire regime of the north-eastern Simpson Desert (Australia) between 1972 and 2014, and…
Author(s): Elise M. Verhoeven, Brad R. Murray, Christopher R. Dickman, Glenda M. Wardle, Aaron C. Greenville
Year Published:

Wildland fire occurrence is highly variable in time and space, and in the United States where total area burned can vary substantially, acquiring resources (firefighters, engines, aircraft, etc.) to respond to fire demand is an important…
Author(s): Erin J. Belval, Crystal S. Stonesifer, David E. Calkin
Year Published:

Firebrands are a leading cause of ignitionat the wildland urban interface and a driver of rapid fire spread during wildfires. Current studies which seek to evaluate this risk are limited by a paucity of data relating to the firebrand dynamics from…
Author(s): Rory Hadden
Year Published:

The structure and composition of sagebrush‐dominated ecosystems have been altered by changes in fire regimes, land use, invasive species, and climate change. This often decreases resilience to disturbance and degrades critical habitat for species of…
Author(s): Lisa M. Ellsworth, J. Boone Kauffman, Schyler A. Reis, David B. Sapsis, Kendra Moseley
Year Published:

The impact of wildfires and of restoration actions on soil organic matter (SOM) content and structure was studied in a soil under pine (Pinus pinea) from Doñana National Park (SW Spain). Samples were collected from burnt areas before (B) and after…
Author(s): Nicasio T. Jiménez-Morillo, Gonzalo Almendros, José M. de la Rosa, Antonio Jordán, Lorena M. Zavala, Arturo J. P. Granged, José A. González-Pérez
Year Published:

SUMMARY: For more than a century in the US we have been suppressing fires, with unexpected and undesirable outcomes particularly in fire adapted and dependent ecosystems. Fires are increasing in size and duration, resulting in substantial loss of…
Author(s): Richard D. Stratton
Year Published:

The prediction of wildfire rate of spread and growth under high wind speeds and dry fuel moisture conditions is key to taking proactive actions to warn and in turn protect communities. We used two datasets of wildfires spreading under critical fire…
Author(s): Miguel G. Cruz, Martin E. Alexander, Paulo M. Fernandes, Musa Kilinc, Ângelo Sil
Year Published:

A learning-based wildfire spread model was developed in this study to predict short-term wildfire spread. Real-time rate of spread (RoS) measurement was first conducted by calculating normal movements of fire fronts. Subsequently, machine learning…
Author(s): Chunjie Zhai, Siyu Zhang, Zhaolou Cao, Xinmeng Wang
Year Published:

The wildland-urban interface (WUI) occurs at the intersection of houses and undeveloped wildlands, where fire is a safety concern for communities, motivating investment in planning, protection, and risk mitigation. Because there is no operational…
Author(s): Brice B. Hanberry
Year Published:

We assessed plant community succession following prescribed fire on ungrazed Wyoming big sagebrush steppe, eastern Oregon. Treatments were burned (Burn; September and October, 2002) and unburned (Control) sagebrush steppe. Herbaceous yield,…
Author(s): Jonathan D. Bates, Chad S. Boyd, Kirk W. Davies
Year Published:

Many studies have defined the interrelationships between climate, forest disturbance, and runoff at small scales (<100 km2), but few have translated these relationships to large watersheds (>500 km2). In this study, we explore the relationship…
Author(s): Margot E. Vore, Stephen J. Déry, Yiping Hou, Xiaohua Wei
Year Published:

Field measurements of surface dead fine fuel moisture content (FFMC) are integral to wildfire management, but conventional measurement techniques are limited. Automated fuel sticks offer a potential solution, providing a standardised, continuous and…
Author(s): Jane G. Cawson, Petter Nyman, Christian Schunk, Gary J. Sheridan, Thomas J. Duff, Kelsy E. Gibos, William D. Bovill, Marco Conedera, Gianni B. Pezzatti, Annette Menzel
Year Published: