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Displaying 101 - 120 of 288

Wildfire alters vegetation cover and soil hydrologic properties, substantially increasing the likelihood of debris flows in steep watersheds. Our understanding of initiation mechanisms of post‐wildfire debris flows is limited, in part, by a lack of…
Author(s): Luke A. McGuire, Francis K. Rengers, Jason W. Kean, Dennis M. Staley, Joel B. Smith
Year Published:

Climate and land use changes have led to recent increases in fire size, severity, and/or frequency in many different geographic regions and ecozones. Most post‐wildfire geomorphology studies focus on the impact of a single wildfire but changing…
Author(s): Luke A. McGuire, Ann M. Youberg
Year Published:

Wildfire is a cause of disturbance on public lands, and post-fire treatments often include broadcast seeding of native and non-native seeds. We collected vegetation data from an area burned by a wildfire in western Colorado in 2012 and, where…
Author(s): M Nikki Grant-Hoffman, James Dollerschell
Year Published:

Robust tree regeneration following high‐severity wildfire is key to the resilience of subalpine and boreal forests, and 21st century climate could initiate abrupt change in forests if postfire temperature and soil moisture become less suitable for…
Author(s): Winslow D. Hansen, Monica G. Turner
Year Published:

Fires and floods are important drivers of geomorphic change. While the hydrologic and geomorphic effects of fires have been studied at the hillslope scale, we have much more limited data on post-fire runoff, channel changes, and inferred or measured…
Author(s): Dan Brogan, Lee H. MacDonald, Peter A. Nelson, Jacob A. Morgan
Year Published:

Seedbanks are essential for forest resilience, and disturbance interactions could potentially modify seedbank availability, subsequent forest regeneration patterns, and successional trajectories. Regional mountain pine beetle outbreaks have altered…
Author(s): Anna C. Talucci, Kenneth P. Lertzman, Meg A. Krawchuk
Year Published:

Although fire is an intrinsic factor in most terrestrial biomes, it is often perceived as a negative disturbance that must be suppressed. The application of successful fire prevention policies can lead to unsustainable fire events for ecosystems…
Author(s): Daniel Moya, Giacomo Certini, Peter Z. Fule
Year Published:

The increasing frequency and severity of fire and drought events have negatively impacted the capacity and success of reforestation efforts in many dry, western U.S. forests. Challenges to reforestation include the cost and safety concerns of…
Author(s): Malcolm P. North, Jens T. Stevens, David F. Greene, Michelle Coppoletta, Eric E. Knapp, Andrew Latimer, Christina M. Restaino, Ryan Tompkins, Kevin R. Welch, Robert A. York, Derek J. N. Young, Jodi Axelson, Thomas N. Buckley, Becky L. Estes, Rachel N. Hager, Jonathan Long, Marc D. Meyer, Steven M. Ostoja, Hugh Safford, Kristen L. Shive, Carmen L. Tubbesing, Heather Vice, Dana Walsh, Chhaya M. Werner, Peter Wyrsch
Year Published:

After wildfire, hillslope and channel erosion produce large amounts of sediment and can contribute significantly to long‐term erosion rates. However, pre‐erosion high‐resolution topographic data (e.g. lidar) is often not available and determining…
Author(s): Nicholas G. Ellett, Jennifer L. Pierce, Nancy F. Glenn
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:

We examined spatial patterns of post-fire regenerating conifers in a Colorado, USA, dry conifer forest 11–12 years following the reintroduction of mixed-severity fire. We mapped and measured all post-fire regenerating conifers, as well as all other…
Author(s): Sparkle L. Malone, Paula J. Fornwalt, Michael A. Battaglia, Marin Chambers, Jose M. Iniguez, Carolyn Hull Sieg
Year Published:

Post-fire tree mortality models are vital tools used by forest land managers to predict fire effects, estimate delayed mortality and develop management prescriptions. We evaluated the performance of mortality models within the First Order Fire…
Author(s): Tucker J. Furniss, Andrew J. Larson, Van R. Kane, James A. Lutz
Year Published:

The biogeochemical and stoichiometric signature of vegetation fire may influence post-fire ecosystem characteristics and the evolution of plant ‘fire traits’. Phosphorus (P), a potentially limiting nutrient in many fire-prone environments, might be…
Author(s): Orpheus M. Butler, James J. Elser, Tom Lewis, Brendan Mackey, Chengrong Chen
Year Published:

Wildfires are increasing in size and severity in forested landscapes across the Western United States. Not only do fires alter land surfaces, but they also affect the surface water quality in downstream systems. Previous studies of individual fires…
Author(s): Ashley J. Rust, Terri S. Hogue, Samuel Saxe, John McCray
Year Published:

Wildfires, insect outbreaks, and windstorms are increasingly common forest disturbances. Post-disturbance management often involves salvage logging, i.e., the felling and removal of the affected trees; however, this practice may represent an…
Author(s): Alexandro B. Leverkus, José María Rey Benayas, Jorge Castro, Dominique Boucher, Stephen Brewer, Brandon M. Collins, Daniel C. Donato, Shawn Fraver, Barbara E. Kishchuk, Eun-Jae Lee, David B. Lindenmayer, Emanuele Lingua, Ellen Macdonald, Raffaella Marzano, Charles C. Rhoades, Alejandro A. Royo, Simon Thorn, Joseph W. Wagenbrenner, Kaysandra Waldron, Thomas Wohlgemuth, Lena Gustafsson
Year Published:

Forest wildfires consume fuel and are followed by post-fire fuel accumulation. This study examines post-fire surface fuel dynamics over 9 years across a wide range of conditions characteristic of California fires in dry conifer and hardwood forests…
Author(s): Bianca N. I. Eskelson, Vicente J. Monleon
Year Published:

Seed mixes used for post-fire seeding in the Great Basin are often selected based on short-term rehabilitation objectives, such as ability to rapidly establish and suppress invasive exotic annuals that drive altered fire-regimes via fine build-up (e…
Author(s): Francis F. Kilkenny, Jeffrey E. Ott, Daniel D. Summers, Tyler W. Thompson
Year Published:

Models based on functional traits have limited power in predicting how animal populations respond to disturbance because they do not capture the range of demographic and biological factors that drive population dynamics, including variation in…
Author(s): Annabel L. Smith
Year Published:

Wildfire increases the likelihood of runoff, erosion, and downstream sedimentation in many of the watersheds that supply water for Colorado’s Front Range communities. The objectives of this study were to: (1) identify rainfall intensity thresholds…
Author(s): Codie Wilson, Stephanie Kampf, Joseph W. Wagenbrenner, Lee H. MacDonald
Year Published:

Large, spatially explicit forest plots have the potential to address currently understudied aspects of fire ecology and management, including the validation of physics-based fire behavior models and next-generation fire effects models. Pre-fire…
Author(s): James A. Lutz, Andrew J. Larson, Mark E. Swanson
Year Published: