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Ecosystem

Displaying 2221 - 2240 of 6016 results

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:

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:

Climate change is expected to cause widespread shifts in the distribution and abundance of plant species through direct impacts on mortality, regeneration, and survival. At landscape scales, climate impacts will be strongly mediated by disturbances…
Author(s): Kerry Kemp, Philip E. Higuera, Penelope Morgan, John T. Abatzoglou
Year Published:

Wildland‐urban interface (WUI) fire incidents are likely to become more severe and will affect more and more people. Given their scale and complexity, WUI incidents require a multidomain approach to assess their impact and the effectiveness of any…
Author(s): Steven M. V. Gwynne, Enrico Ronchi, Noureddine Bénichou, Max Kinateder, Erica D. Kuligowski, Islam Gomaa, Masoud Adelzadeh
Year Published:

Reestablishing shrub canopy cover after disturbance in semi‐arid ecosystems, such as sagebrush steppe, is essential to provide wildlife habitat and restore ecosystem functioning. While several studies have explored the effects of landscape and…
Author(s): David M Barnard, Matthew J. Germino, Robert S. Arkle, John Bradford, Michael C. Duniway, David S. Pilliod, David A. Pyke, Robert K. Shriver, Justin L. Welty
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
Year Published:

Prescribed fire is an important management tool on US federal lands that is not being applied at the necessary or desired levels. We investigated the role of policy barriers and opportunities for prescribed fire application on US Forest Service and…
Author(s): Courtney Schultz, Sarah M. McCaffrey, Heidi Huber-Stearns
Year Published:

Recent scholarship on resilience has shed light on the processes by which organizations absorb strain and maintain functioning in the face of adversity. These theories, however, often focus on the operational impacts of adversity without accounting…
Author(s): Michelle Barton, William A. Kahn
Year Published:

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:

Wildfire refugia (unburnt patches within large wildfires) are important for the persistence of fire‐sensitive species across forested landscapes globally. A key challenge is to identify the factors that determine the distribution of fire refugia…
Author(s): Luke Collins, Andrew F. Bennett, Steven W.J. Leonard, Trent D. Penman
Year Published:

Improved predictions of tree species mortality and growth metrics following fires are important to assess fire impacts on forest succession, and ultimately forest growth and yield. Recent studies have shown that North American conifers exhibit a '…
Author(s): Wade D. Steady, Raquel Partelli Feltrin, Daniel M. Johnson, Aaron M. Sparks, Crystal A. Kolden, Alan F. Talhelm, James A. Lutz, Luigi Boschetti, Andrew T. Hudak, Andrew S. Nelson, Alistair M. S. Smith
Year Published:

One of the first significant developments in wildfire modeling research was to introduce heat flux as wildfire line intensity (kW·m–1). This idea could be adapted to using weather station measurements, topography, and fuel properties to estimate…
Author(s): A. Bakhshaii, E. A. Johnson
Year Published:

Questions: Gradients of fire severity in dry conifer forests can be associated with variation in understory floristic composition. Recent work in California, USA, dry conifer forests has suggested that more severely burned stands contain more…
Author(s): Jens T. Stevens, Jesse E. D. Miller, Paula J. Fornwalt
Year Published: