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Ecosystem

Displaying 1701 - 1720 of 6016 results

The consequences of the 2019-2020 bushfires in Australia were also devastating for the aquatic biota. Following abnormal rainfall events in burnt areas, widespread mortality events including fish and invertebrates were recorded in estuarine and…
Author(s): Luiz G. M. Silva, Katherine E. Doyle, Deanna Duffy, Paul Humphries, Ana Horta, Lee J. Baumgartner
Year Published:

Spot fires caused by lofted embers (i.e., firebrands) can be a significant factor in the spread of wildland fires. Embers can be especially dangerous near the wildland urban interface (WUI) because of the potential for the fire to be spread near or…
Author(s): David L. Blunck, Bret W. Butler, John D. Bailey, Natalie S. Wagenbrenner
Year Published:

Nearly half of the vast sagebrush steppe in the western United States has lost many or nearly all native plant species, largely due to the interaction of invasive species and increased wildfire. Re-establishing sagebrush, a keystone component of…
Author(s): Cara Applestein, T. Trevor Caughlin, Matthew J. Germino
Year Published:

In NW of the Iberian Peninsula, the incidence of anthropogenic fires is very high and, due to the climatologic and topographical conditions, burnt soils are prone to high erosion risks. In recent years several environmental management techniques (…
Author(s): María Fernandez-Fernandez, Serafín J. González-Prieto
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The long-term effectiveness of dry-forest fuels treatments (restoration thinning and prescribed burning) depends, in part, on the pace at which trees regenerate and recruit into the overstory. Knowledge of the factors that shape post-treatment…
Author(s): Allison K. Rossman, Jonathan D. Bakker, David W. Peterson, Charles B. Halpern
Year Published:

One of the primary conservation threats surrounding sagebrush (Artemisia spp.) ecosystems in the Intermountain West of the United States is the expansion and infilling of pinyon pine (Pinus edulis, P. monophylla) and juniper (Juniperus spp.)…
Author(s): Jason R. Reinhardt, Steven K. Filippelli, Michael J. Falkowski, Brady W. Allred, Jeremy D. Maestas, John Carlson, David E. Naugle
Year Published:

Past firefighting water additives were found to contain perfluorinated compounds that could persist in the environment resulting in potential adverse effects to biota. Since this revelation, manufacturers have introduced alternative firefighting…
Author(s): Sarah Graetz, M. Ji, Paul Sibley, Ryan S. Prosser, S. Hunter
Year Published:

Large-scale, high-severity wildfires are a major challenge to the future social-ecological sustainability of fire-adapted forest ecosystems in the American West. Managing forests to mitigate this risk is a collective action problem requiring…
Author(s): Susan Charnley, Erin C. Kelly, A. Paige Fischer
Year Published:

The practice of “cyanobacterization” (soil inoculation with cyanobacteria) has been shown to be effective in increasing soil fertility and physical stability in natural and agricultural soils, but little is known about its utility for the recovery…
Author(s): Sonia Chamizo, Alessandra Adessi, Giacomo Certini, Roberto De Philippis
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Background: Exposure to fine particulate matter ( PM2.5 ) during wildfire seasons has been associated with adverse health outcomes. Previous studies have focused on daily exposure, but PM2.5 levels in smoke events can vary considerably within 1 d.…
Author(s): Jiayun Yao, Michael Brauer, Julie Wei, Kimberlyn M. McGrail, Fay H. Johnston, Sarah B. Henderson
Year Published:

Increased wildfire activity combined with warm and dry post-fire conditions may undermine the mechanisms maintaining forest resilience to wildfires, potentially causing ecosystem transitions, or fire-catalyzed vegetation shifts. Stand-replacing fire…
Author(s): Kimberley T. Davis, Philip E. Higuera, Solomon Z. Dobrowski, Sean A. Parks, John T. Abatzoglou, Monica T. Rother, Thomas T. Veblen
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In the western United States, restoration of forests with historically frequent, low‐severity fire regimes often includes fuel reduction that reestablish open, early‐seral conditions while reducing fuel continuity and loading. Between 2001 and 2016…
Author(s): Justin S. Crotteau, Christopher R. Keyes, Sharon M. Hood, Andrew J. Larson
Year Published:

Once dominant but now largely excluded from eastern North America, open forests of savannas to woodlands occupy the ecosystem gradient between grasslands and closed forests. These fire-maintained systems differ in structure, processes, and species…
Author(s): Brice B. Hanberry, Don C. Bragg, Heather D. Alexander
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We measured forest-floor accumulation in ponderosa pine forests of central Oregon and asked whether selected ecological functions of the organic layer were altered by thinning and repeated burning. Experimental treatments included three thinning…
Author(s): Matt Busse, Ross Gerrard
Year Published:

In recent years, severe and deadly wildland-urban interface (WUI) fires have resulted in an increased focus on this particular risk to humans and property, especially in Canada, USA, Australia, and countries in the Mediterranean area. Also, in areas…
Author(s): Torgrim Log, Vigdis Vandvik, Liv G. Velle, Maria-Monika Metallinou
Year Published:

Warming‐induced mountain pine beetle (Dendroctonus ponderosae; MPB) outbreaks have caused extensive mortality of whitebark pine (Pinus albicaulis; WBP) throughout the species’ range. In the highest mountains where WBP occur, they cross alpine…
Author(s): Colin T. Maher, Constance I. Millar, David L.R. Affleck, Robert E. Keane, Anna Sala, Claudine Tobalske, Andrew J. Larson, Cara R. Nelson
Year Published:

Increasingly, scholars have sought to understand the role of collective action across property boundaries to address natural resource management challenges. Although the growing focus on collective action for natural resource management has led to…
Author(s): Rebecca M. Niemiec, Sarah M. McCaffrey, Megan S. Jones
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Contingency firelines can be used to back up primary lines to increase probability of fire containment, decrease fire losses, and improve firefighter safety. In this study, we classify firelines into primary, contingency, and response lines. We…
Author(s): Yu Wei, Matthew P. Thompson, Erin J. Belval, Benjamin Gannon, David E. Calkin, Christopher D. O'Connor
Year Published:

Seeding an area after a fire has long been used to control erosion and suppress problem invasive grasses like cheatgrass. But for managers, choosing the right seed mix to use can be tricky. Seed mixes containing only native species are ideal for…
Author(s):
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To better understand the implications of the word resilience for western forest and fire management, this study explores its emerging use in a large body of policy and management documents produced between 1980 and 2016. We performed a computer-…
Author(s): Owen A. Selles, Adena R. Rissman
Year Published: