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Ecosystem

Displaying 1921 - 1940 of 5894 results

In recent years, fire services in Mediterranean Europe have been overwhelmed by extreme wildfire behavior. As a consequence, fire management has moved to defensive strategies with a focus only on the known risks (the fear trap). In this region,…
Author(s): Marc Castellnou, Nuria Prat-Guitart, Etel Arilla, Asier Larrañaga, Edgar Nebot, Xavier Castellarnau, Jordi Vendrell, Josep Pallàs, Joan Herrera, Marc Monturiol, José Cespedes, Jordi Pagès, Claudi Gallardo, Marta Miralles
Year Published:

A number of watershed partnerships have emerged in the western US to address the impacts of wildfire through investing in wildfire mitigation activities. To motivate collective action and design effective risk mitigation programs, these stakeholders…
Author(s): Ryan M. Roberts, Kelly W. Jones, Esther Duke, Xoco Shinbrot, Erin E. Harper, Erin Fons, Anthony S. Cheng, Brett Wolk
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This is a chapter in a technical report that is the second of two works describing longer-term actions to implement policies and strategies for preventing and suppressing rangeland fire and restoring rangeland landscapes affected by fire in the…
Author(s): Lief A. Wiechman, David A. Pyke, Michele R. Crist, Seth Munson, Matthew L. Brooks, Jeanne C. Chambers, Mary M. Rowland, Emily J. Kachergis, Zoe Davidson
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The complexity of large-scale disasters requires governance structures that can integrate numerous responders quickly under often chaotic conditions. Complex disasters – by definition – span multiple jurisdictions and activate numerous response…
Author(s): Branda Nowell, Toddi A. Steelman
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Fire has a diverse range of impacts on Earth's physical and social systems. Accurate and up to date information on areas affected by fire is critical to better understand drivers of fire activity, as well as its relevance for biogeochemical cycles,…
Author(s): Emilio Chuvieco, Florent Mouillot, Guido R. Van der Werf, Jesus San Miguel, Mihai A. Tanase, Nikos Koutsias, Mariano Garcia, Marta Yebra, Marc Padilla, Ioannis Z. Gitas, Angelika Heil, Todd J. Hawbaker, Louis Giglio
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Post-fire flooding and elevated sediment loads in channels can pose hazards to people and structures within the wildland-urban interface. Mitigation of these hazards is essential to protect downstream resources. Straw bale check dams are one…
Author(s): Peter R. Robichaud, Keenan A. Storrar, Joseph W. Wagenbrenner
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Edges are ecologically important environmental features that have been well researched in agricultural and urban landscapes. However, little work has been conducted in flammable ecosystems where spatially and temporally dynamic fire edges are…
Author(s): Kate Parkins, Amy Scott, Julian Di Stefano, Matthew Swan, Holly Sitters, Alan York
Year Published:

Quaking or trembling aspen (Populus tremuloides Michx.) is a foundational tree species, which is native, common, and broadly distributed in North America. The ecology of aspen has been extensively studied throughout its range, but both research and…
Author(s): Simon M. Landhäusser, Bradley D. Pinno, Karen Mock
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Although fire is an intrinsic factor in most terrestrial biomes, it is often perceived as a negative disturbance that must be suppressed. The application of successful fire prevention policies can lead to unsustainable fire events for ecosystems…
Author(s): Daniel Moya, Giacomo Certini, Peter Z. Fule
Year Published:

The effects on dehydration and cognitive performance from heat and/or physical activity are well established in the laboratory, although have not yet been studied for personnel working in occupations such as wildland firefighting regularly exposed…
Author(s): Michael A. Cvirn, Jillian Dorrian, Bradley P. Smith, Grace E. Vincent, Sarah M. Jay, Greg D. Roach, Charli Sargent, Brianna Larsen, Brad Aisbett, Sally A. Ferguson
Year Published:

Western juniper occurs in the Pacific Northwest, California, and Nevada. Old-growth western juniper stands that established in pre-settlement times (before the 1870s) occur primarily on sites of low productivity such as claypan soils, rimrock,…
Author(s): D. A. Tirmenstein, Janet L. Fryer
Year Published:

Unraveling the effects of climate and land use on historical fire regimes provides important insights into broader human–fire–climate dynamics, which are necessary for ecologically based forest management. We developed a spatial human land‐use model…
Author(s): Christopher H. Guiterman, Ellis Q. Margolis, Christopher H. Baisan, Donald A. Falk, Craig D. Allen, Thomas W. Swetnam
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Forest fires in Galicia have become a serious environmental problem over the years. This is especially the case in the Pontevedra region, where in October 2017 large fires (>500 hectares) burned more than 15,000 Ha. In addition to the area burned…
Author(s): Jose Antonio Sobrino, Rafael Llorens, Cristina Fernández, José M. Fernández-Alonso, José A. Vega
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Data collection in the field is fundamental in providing relevant information during fire spread across vegetation or in industrial environments. Considering the challenge and costs of obtaining measurements in the presence of a fire at such a large…
Author(s): Frederic Morandini, Tom Toulouse, Xavier Silvani, Antoine Pieri, Lucile Rossi
Year Published:

Smouldering fire vulnerability in organic-rich, wetland soils is regulated by hydrologic regimes over short (by antecedent wetness) and long (through influences on soil properties) timescales. An integrative understanding of these controls is needed…
Author(s): Morgan L. Schulte, Daniel L. McLaughlin, Frederic C. Wurster, J. Morgan Varner, Ryan D. Stewart, W. Mike Aust, C. Nathan Jones, Bridget Gile
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(1) Background: Frequent fire, climate variability, and human activities collectively influence savanna ecosystems. The relative role of these three factors likely varies on interannual, decadal, and centennial timescales. Here, we tested if Euro-…
Author(s): Berangere Leys, Daniel Griffin, Evan R. Larson
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Mountain big sagebrush is a widely distributed shrub native to the western United States. Mountain big sagebrush ecosystems support hundreds of plant and animal species, including several sagebrush obligates. The distribution of mountain big…
Author(s): Robin J. Innes
Year Published:

We reviewed forest management in the mountainous regions of several northwestern states and California in the United States and how it has impacted current issues facing these forests. We focused on the large-scale activities like fire suppression…
Author(s): Iris Allen, Sophan Chhin, Jainwei Zhang
Year Published:

Forests store a large amount of terrestrial carbon, but this storage capacity is vulnerable to wildfire. Combustion, and subsequent tree mortality and soil erosion, can lead to increased carbon release and decreased carbon uptake. Previous work has…
Author(s): Kristina J. Bartowitz, Philip E. Higuera, Bryan N. Shuman, Kendra K. McLauchlan, Tara W. Hudiburg
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Wildfires are often perceived as destructive disturbances, but we propose that when integrating evolutionary and socioecological factors, fires in most ecosystems can be understood as natural processes that provide a variety of benefits to humankind…
Author(s): Juli G. Pausas, Jon E. Keeley
Year Published: