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Ecosystem

Displaying 1781 - 1800 of 6066 results

Improving decision processes and the informational basis upon which decisions are made in pursuit of safer and more effective fire response have become key priorities of the fire research community. One area of emphasis is bridging the gap between…
Author(s): Francisco Rodriguez y Silva, Christopher D. O'Connor, Matthew P. Thompson, Juan Ramón Molina Martínez, David E. Calkin
Year Published:

Developing standardised classification of post-fire responses is essential for globally consistent comparisons of woody vegetation communities. Existing classification systems are based on responses of species growing in fire-prone environments. To…
Author(s): Lynda D. Prior, David M. J. S. Bowman
Year Published:

The actions of residents in the wildland–urban interface can influence the private and social costs of wildfire. Wildfire programs that encourage residents to take action are often delivered without evidence of effects on behavior. Research from the…
Author(s): Hilary Byerly, James R. Meldrum, Hannah Brenkert-Smith, Patricia A. Champ, Jamie Gomez, Lilia C. Falk, Christopher M. Barth
Year Published:

Shifting fire regimes are substantially changing North American forests. It is thus critical to understand how wildfires affect forest wildlife, especially for species managed for harvest and for species at risk of extinction. In particular, many…
Author(s): Logan A. Volkmann, Jenna Hutchen, Karen E. Hodges
Year Published:

Forest fires at the wildland-urban interface are generating increasing losses due to the expansion of cities into adjacent forests. At the same time, urban green open spaces are highly valuable as sources of recreational, educational and aesthetic…
Author(s): Yaella Depietri, Daniel E. Orenstein
Year Published:

The objective of this work is to illustrate how to algorithmically integrate Machine-Learning Algorithms (MLA's) with multistage/multicomponent fire spread models. In order to tangibly illustrate this process, this work develops a framework for a…
Author(s): T. J. Zohdi
Year Published:

Globally accelerating frequency and extent of wildfire threatens the persistence of specialist wildlife species through direct loss of habitat and indirect facilitation of exotic invasive species. Habitat specialists may be especially prone to…
Author(s): Shawn T. O'Neil, Peter S. Coates, Brianne E. Brussee, Mark A. Ricca, Shawn Espinosa, Scott C. Gardner, David J. Delehanty
Year Published:

Recovery after a wildfire is a process, both at the community or larger scale and for individuals. The United Nations Office for Disaster Risk Reduction (UNISDR) defines recovery as, “The restoring or improving of livelihoods and health, as well as…
Author(s): Tara K. McGee, Sarah M. McCaffrey, Fantina Tedim
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:

Stand-replacing fires burned at 100 to 300-year intervals for millennia in subalpine conifer forests of western North America, but forests are burning more frequently as climate warms. Postfire tree regeneration is reduced when young forests reburn…
Author(s): Tyler J. Hoecker, Winslow D. Hansen, Monica G. Turner
Year Published:

Land treatments in wildland-urban interface (WUI) areas are highly visible and subject to public scrutiny and possible opposition. This study examines a contested vegetation treatment-Forsythe II-in a WUI area of the Arapaho-Roosevelt National…
Author(s): Hannah Brenkert-Smith, Jody L. Jahn, Eric A. Vance, Juan Ahumada
Year Published:

Climate change is projected to increase fire severity and frequency in the boreal forest, but it could also directly affect post-fire recruitment processes by impacting seed production, germination, and seedling growth and survival. We reviewed…
Author(s): Dominique Boucher, Sylvie Gauthier, Nelson Thiffault, William Marchand, Martin P. Girardin, Morgane Urli
Year Published:

Stream drying and wildfire are projected to increase with climate change in the western United States, and both are likely to impact stream chemistry patterns and processes. To investigate drying and wildfire effects on stream chemistry (carbon,…
Author(s): Ruth B. MacNeille, Kathleen A. Lohse, Sarah E. Godsey, Julia N. Perdrial, Colden V. Baxter
Year Published:

Wildfire is a natural component of sagebrush (Artemisia spp.) steppe rangelands that induces temporal shifts in plant community physiognomy, ground surface conditions, and erosion rates. Fire alteration of the vegetation structure and ground cover…
Author(s): Samantha P. Vega, C. Jason Williams, Erin S. Brooks, Frederick B. Pierson, Eva K. Strand, Peter R. Robichaud, Robert E. Brown, Mark S. Seyfried, Kathleen A. Lohse, Kayla Glossner, Jennifer L. Pierce, Clay Roehner
Year Published:

Legacy effects from one disturbance may influence successional pathways by amplifying or buffering forest regeneration after the next disturbance. We assessed vegetation and tree regeneration in non-serotinous Sierra lodgepole pine (Pinus contorta…
Author(s): Lucas B. Harris, Stacy Drury, Alan H. Taylor
Year Published:

The slow-moving flameless burning of wildland fuels (i.e. smouldering) can be difficult to detect and challenging to extinguish. Although previous research involving the smouldering of organic fuels (e.g. cotton, cellulose, peat) has investigated…
Author(s): Daniel A. Cowan, Wesley G. Page, Bret W. Butler, David L. Blunck
Year Published:

The understanding and prediction of large wildland fire events around the world is a growing interdisciplinary research area advanced rapidly by development and use of computational models. Recent models bidirectionally couple computational fluid…
Author(s): Janice L. Coen, Wilfrid Schroeder, Scott Conway, Leland W. Tarnay
Year Published:

Extreme fires have substantial adverse effects on society and natural ecosystems. Such events can be associated with the intense coupling of fire behaviour with the atmosphere, resulting in extreme fire characteristics such as pyrocumulonimbus cloud…
Author(s): Mercy N. Ndalila, Grant J. Williamson, Paul Fox-Hughes, J. Sharples, David M. J. S. Bowman
Year Published:

Thermal heterogeneity provides options for organisms during extreme temperatures that can contribute to their fitness. Sagebrush (Artemisia spp.) communities exhibit vegetation heterogeneity that creates thermal variation at fine spatial scales.…
Author(s): Christopher R. Anthony, Christian A. Hagen, Katie M. Dugger, R. Dwayne Elmore
Year Published:

Increases in burned area across the western US since the mid‐1980’s have been widely documented and linked partially to climate factors, yet evaluations of trends in fire severity are lacking. Here, we evaluate fire severity trends and their…
Author(s): Sean A. Parks, John T. Abatzoglou
Year Published: