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Ecosystem

Displaying 2381 - 2400 of 5949 results

To investigate the long-term impacts of biomass harvesting on site productivity, we remeasured trees in the 1974 Forest Residues Utilization Research and Development Program at Coram Experimental Forest in western Montana. Three levels (high, medium…
Author(s): Woongsoon Jang, Christopher R. Keyes, Deborah S. Page-Dumroese
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Current assessments of the ecological impacts of fires, termed burn severity, investigate the degree to which an ecosystem has changed due to a fire and typically encompass both vegetation and soil effects. Burn severity assessments at local to…
Author(s): Crystal A. Kolden, Aaron M. Sparks
Year Published:

Many forested mountain watersheds worldwide evolved with frequent fire, which Twentieth Century fire suppression activities eliminated, resulting in unnaturally dense forests with high water demand. Restoration of pre-suppression forest composition…
Author(s): Gabrielle Boisrame, Sally Thompson, Scott L. Stephens
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Western United States wildfire increases have been generally attributed to warming temperatures, either through effects on winter snowpack or summer evaporation. However, near-surface air temperature and evaporative demand are strongly influenced by…
Author(s): Zachary A. Holden, Alan Swanson, Charles H. Luce, William Matt Jolly, Marco Maneta, Jared W. Oyler, Dyer A. Warren, Russell A. Parsons, David L.R. Affleck
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The Natural Areas Association Fire Compendium 2 compiles articles published in the Natural Areas Journal from 2010 to 2017. This is a supplement to the NAA Fire Compendium that was compiled in 2010 for articles published from 1983 to 2009. Like the…
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Within the ancestral homelands of the Confederated Salish Kootenai Tribes (CSKT), the Fire Continuum Conference (May 2018) discussed the complexity of wildland fire and fuels research and management. The CSKT fieldtrip took place on the Flathead…
Author(s): Monique D. Wynecoop
Year Published:

Persistent fire refugia, which are forest stands that have survived multiple fires, play an important ecological role in the resilience of mountainous forest ecosystems following disturbances. The loss of numerous refugia patches to large, high-…
Author(s): Marie-Pierre Rogeau, Quinn E. Barber, Marc-Andre Parisien
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An understanding of how historical fire and structure in dry forests (ponderosa pine, dry mixed conifer) varied across the western USA remains incomplete. Yet, fire strongly affects ecosystem services, and forest restoration programs are underway.…
Author(s): William L. Baker, Mark A. Williams
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This paper deals with the modelling of living fuel ignition, suggesting that an accurate description using a multiphase formulation requires consideration of a thermal disequilibrium within the vegetation particle, between the solid (wood) and the…
Author(s): A. Lamorlette, M. El Houssami, D. Morvan
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Natural resource managers of federal lands in the USA are often tasked with various forms of social and economic impact analysis. Federal agencies in the USA also have a mandate to analyze the potential environmental justice consequences of their…
Author(s): Mark D. Adams, Susan Charnley
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Interpretations of post-fire condition and rates of vegetation recovery can influence management priorities, actions and perception of latent risks from landslides and floods. In this study, we used the Waldo Canyon fire (2012, Colorado Springs,…
Author(s): Melanie K. Vanderhoof, Clifton Burt, Todd J. Hawbaker
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Existing research suggests that adoption or development of various wildfire management strategies may differ across communities. However, there have been few attempts to design diverse strategies for local populations to better “live with fire.”…
Author(s): Travis B. Paveglio, Matthew S. Carroll, Amanda M. Stasiewicz, Daniel R. Williams, Dennis Becker
Year Published:

Tree mortality is an important outcome of many forest fires. Extensive tree injuries from fire may lead directly to mortality, but environmental and biological stressors may also contribute to tree death. However, there is little evidence showing…
Author(s): Phillip J. van Mantgem, Donald A. Falk, Emma C. Williams, Adrian J. Das, Nathan L. Stephenson
Year Published:

Stable coexistence requires intraspecific limitations to be stronger than interspecific limitations. The greater the difference between intra‐ and interspecific limitations, the more stable the coexistence, and the weaker the competitive release any…
Author(s): Peter B. Adler, Andrew R. Kleinhesselink, Giles Hooker, Joshua B. Taylor, Brittany Teller, Stephan P. Ellner
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Habitat suitability models can inform forest management for species of conservation concern. Models quantify relationships between known species locations and environmental attributes, which are used to identify areas most likely to support species…
Author(s): Quresh Latif, Victoria A. Saab, Jessica R. Haas, Jonathan G. Dudley
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Rangelands are dominated by grass, forb, or shrub species, but are usually not modified by using agronomic improvements such as fertilization or irrigation (Lund 2007; Reeves and Mitchell 2011) as these lands would normally be considered pastures.…
Author(s): Matthew C. Reeves, Mary Manning, Jeff P. DiBenedetto, Kyle Palmquist, William Lauenroth, John Bradford, Daniel Schlaepfer
Year Published:

Landscape scale restoration is a common management intervention used around the world to combat ecological degradation. For wilderness managers in the United States, the decision to intervene is complicated by the Wilderness Act’s legal mandate to…
Author(s): Lucy Lieberman, Beth Hahn, Peter Landres
Year Published:

Paleoclimate reconstructions are increasingly used to characterize annual climate variability prior to the instrumental record, to improve estimates of climate extremes, and to provide a baseline for climate change projections. To date, paleoclimate…
Author(s): J. H. Stagge, D. E. Rosenberg, R. Justin DeRose, T. M. Rittenour
Year Published:

Wildland fire impacts on surface freshwater resources have not previously been measured, nor factored into regional water management strategies. But, large wildland fires are increasing and raise concerns about fire impacts on potable water. Here we…
Author(s): Dennis W. Hallema, Ge Sun, Peter V. Caldwell, Steven P. Norman, Erika C. Cohen, Yongqiang Liu, Kevin D. Bladon, Steven G. McNulty
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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
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