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Ecosystem

Displaying 2321 - 2340 of 6073 results

Accurately predicting fire spread and behaviour on the fireline, in the field, is highly important in order to prevent the loss of human life, improve the success of initial attack and better understand the potential fire behaviour, minimizing many…
Author(s): Santiago Monedero, Joaquin Ramírez, Adrián Cardil
Year Published:

An open source computational fluid dynamics (CFD) solver has been incorporated into the WindNinja modeling framework widely used by wildland fire managers as well as researchers and practitioners in other fields, such as wind energy, wind erosion,…
Author(s): Natalie S. Wagenbrenner, Jason M. Forthofer, Wesley G. Page, Bret W. Butler
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:

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:

To optimize suppression, restoration, and prevention plans against wildfire, postfire assessment is a key input. Since little research has been carried out on applying Sentinel-2 imagery through an integrated approach to evaluate how environmental…
Author(s): Juan Picos, Laura Alonso, Guillermo Bastos, Julia Armesto
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:

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
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:

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:

Predicting water suppression requirements and its impacts on firefighting strategies and logistics within the urban environment has been the subject of many previous studies, however the same level of research has yet to be applied in the realm of…
Author(s): Greg Penney, Daryoush Habibi, Marcus Cattani, Murray Carter
Year Published:

Ponderosa pine (Pinus ponderosa Lawson & C. Lawson) is a prominent tree species in forests of the western United States. Wildfire activity in ponderosa pine dominated or co-dominated forests has increased dramatically in recent decades, with…
Author(s): Julie E. Korb, Paula J. Fornwalt, Camille Stevens-Rumann
Year Published:

Estimates of historical fire regime parameters in mountain big sagebrush communities can be compared with current fire regimes and trends to establish general guidelines for ecological restoration. A synthesis of information on historical patterns…
Author(s): Robin J. Innes
Year Published:

For wildland firefighters, the ability to efficiently evacuate the fireline is limited by terrain, vegetation, and fire conditions. The impacts of terrain and vegetation on evacuation time to a safety zone may not be apparent when considering…
Author(s): Michael J. Campbell, Wesley G. Page, Philip E. Dennison, Bret W. Butler
Year Published:

Predicting wildfire disasters presents a major challenge to the field of risk science, especially when fires propagate long distances through diverse fuel types and complex terrain. A good example is in the western US where large tracts of public…
Author(s): Alan A. Ager, Palaiologos Palaiologou, Cody Evers, Michelle A. Day, Chris Ringo, Karen C. Short
Year Published:

Background:Short-term post-fire field studies have shown that native shrub cover in chaparral ecosystems negatively affects introduced cover, which is influenced by burn severity, elevation, aspect, and climate. Using the southern California 2003…
Author(s): April G. Smith, Beth A. Newingham, Andrew T. Hudak, Benjamin C. Bright
Year Published:

Natural forest comprises approximately 78% of New Zealand’s total forest area and their dead wood carbon pools contribute to the national carbon balance reported under the United Nations Framework Convention on Climate Change. We investigate the…
Author(s): Mark O. Kimberley, Peter N. Beets, Thomas S.H. Paul
Year Published:

Larger and more frequent disturbances are motivating efforts to accelerate recovery of foundational perennial species by focusing efforts into establishing island patches to sustain keystone species and facilitate recovery of the surrounding plant…
Author(s): Bill E. Davidson, Matthew J. Germino, Bryce A. Richardson, David M Barnard
Year Published:

This short paper provides the framework and introduction to this special issue of International Journal of Wildland Fire. Its eight papers were selected from those presented at two consecutive conferences held in 2018 in Europe and the USA that…
Author(s): Charles C. Rhoades, João Pedro Nunes, Uldis Silins, Stefan H. Doerr
Year Published:

Recent human-interface wildfires around the world have raised concerns regarding the reliability of freshwater supply flowing from severely burned watersheds. Degraded source water quality can often be expected after severe wildfire and can pose…
Author(s): Francois-Nicolas Robinne, Kevin D. Bladon, Uldis Silins, Monica B. Emelko, Michael D. Flannigan, Marc-Andre Parisien, Xianli Wang, Stefan W. Kienzle, Diane P. Dupont
Year Published: