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Ecosystem

Displaying 1961 - 1980 of 6068 results

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:

The extent of the Earth’s surface burned annually by fires is affected by a number of drivers, including but not limited to climate. Other important drivers include the amount and type of vegetation (fuel) available and human impacts, including fire…
Author(s): Karen L. Riley, A. Park Williams, Shawn P. Urbanski, David E. Calkin, Karen C. Short, Christopher D. O'Connor
Year Published:

Data collection in the field is fundamental in providing relevant information during fire spread across vegetation or in industrial environments. Considering the challenge and costs of obtaining measurements in the presence of a fire at such a large…
Author(s): Frederic Morandini, Tom Toulouse, Xavier Silvani, Antoine Pieri, Lucile Rossi
Year Published:

From mid-2002 to mid-2007, the State of Florida spent an average of $500,000 annually on fire prevention education to reduce four main types of fires ignited by humans: 1. debris-burning escapes, 2. campfire escapes, 3. children playing with fire,…
Author(s): L. Annie Hermansen-Baez, Jeffrey P. Prestemon, David T. Butry, Karen L. Abt, Ronda Sutphen
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Purpose of Review: Containing and controlling wildfire incidents is one of the main functions of fire management. Understanding how this can be done effectively and efficiently informs many of the preparatory activities undertaken by fire management…
Author(s): Matt P. Plucinski
Year Published:

Forest management, especially restoration, is informed by understanding the dominant natural disturbance regime. In many western North American forests the keystone disturbance is fire, and much research exists characterizing various fire regime…
Author(s): Shawn T. McKinney
Year Published:

Forests store a large amount of terrestrial carbon, but this storage capacity is vulnerable to wildfire. Combustion, and subsequent tree mortality and soil erosion, can lead to increased carbon release and decreased carbon uptake. Previous work has…
Author(s): Kristina J. Bartowitz, Philip E. Higuera, Bryan N. Shuman, Kendra K. McLauchlan, Tara W. Hudiburg
Year Published:

Background: Concern is mounting that larger, stand-replacing forest fires may accelerate compositional shifts or conversions to non-forested states under a warming climate. Post-fire climatic conditions influence system trajectories by facilitating…
Author(s): Caitlin E. Littlefield
Year Published:

Wildfires pose a serious threat to life in many countries. For police, fire and emergency services authorities in most jurisdictions in North America and Australia evacuation is now the option that is preferred overwhelmingly. Wildfire evacuation…
Author(s): Jim McLennan, Barbara Ryan, Christopher Bearman, Keith Toh
Year Published:

Predicting the timing of overland flow in burned watersheds can help to estimate debris‐flow timing and the location of debris‐flow initiation. Numerical models can produce flow predictions, but they are limited by our knowledge of appropriate model…
Author(s): Francis K. Rengers, Luke A. McGuire, Jason W. Kean, Dennis M. Staley, Ann M. Youberg
Year Published:

Wildfires in forest ecosystems produce landscape mosaics that include relatively unaffected areas, termed fire refugia. These patches of persistent forest cover can support fire-sensitive species and the biotic legacies important for post-fire…
Author(s): Ryan B. Walker, Jonathan D. Coop, William M. Downing, Meg A. Krawchuk, Sparkle L. Malone, Garrett W. Meigs
Year Published:

Wildfires represent one of the largest disturbances in watersheds of the Intermountain West. Yet, we lack models capable of predicting post‐wildfire impacts on downstream ecosystems and infrastructure. Here we present a novel modeling framework that…
Author(s): Brendan P. Murphy, Jonathan A. Czuba, Patrick Belmont
Year Published:

Fire behavior is well-recognized as a function of fuel characteristics, but in practice the dynamics of fuels are often overlooked. Here we focus on short term changes in the fuel bed structure and fire behavior. Fire behavior and structural…
Author(s): Zorica Kauf, Walter Damsohn, Andreas Fangmeier
Year Published:

Increasing wildfires in western North American conifer forests have led to debates surrounding the application of post-fire management practices. There is a lack of consensus on whether (and to what extent) post-fire management assists or hinders…
Author(s): Victoria M. Donovan, Caleb P. Roberts, Carissa L. Wonkka, David A. Wedin, Dirac Twidwell
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Information on fire probability is of vital importance to environmental and ecological studies as well as to fire management. This study aimed at comparing two forest fire probability mapping techniques, one based primarily on freely distributed EO…
Author(s): Prashant K. Srivastava, George P. Petropoulos, Manika Gupta, Sudhir K. Singh, Tanvir Islam, Dimitra Loka
Year Published:

The smoldering combustion of natural organic layers such as peatlands leads to the largest and most persistent wildland fires on the Earth. The atmospheric oxygen concentration (mass fraction of oxygen: ) significantly influences the smoldering…
Author(s): Jiuling Yang, Naian Liu, Haixiang Chen, Wei Gao, Ran Tu
Year Published:

Wildfire smoke presents a growing threat in the Western U.S.; and human health, transportation, and economic systems in growing western communities suffer due to increasingly severe and widespread fires. While modelling wildfire activity and…
Author(s): Mariah Fowler, Arash Modaresi Rad, Stephen Utych, Andrew Adams, Sanazsadat Alamian, Jennifer L. Pierce, Philip E. Dennison, John T. Abatzoglou, Amir AghaKouchak, Luke Montrose, Mojtaba Sadegh
Year Published:

The destructive nature of debris flows makes it difficult to quantify flow dynamics with direct instrumentation. For this reason, seismic sensors placed safely away from the flow path are often used to identify the timing and speed of debris flows.…
Author(s): A. Michel, Jason W. Kean, Joel B. Smith, Kate E. Allstadt, Jeffrey A. Coe
Year Published:

We studied the impacts of climate variability on low‐elevation forests in the U.S. northern Rocky Mountains by quantifying how post‐fire tree regeneration and radial growth varied with growing‐season climate. We reconstructed post‐fire regeneration…
Author(s): Lacey Hankin
Year Published:

Public lands provide many ecosystem services and support diverse plant and animal communities. In order to provide these benefits in the future, land managers and policy makers need information about future climate change and its potential effects.…
Author(s): Sebastian Martinuzzi, Andrew J. Allstadt, Anna M. Pidgeon, Curtis H. Flather, William Matt Jolly, Volker C. Radeloff
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