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Ecosystem

Displaying 3241 - 3260 of 6051 results

As large, high-severity forest fires increase and snowpacks become more vulnerable to climate change across the western USA, it is important to understand post-fire disturbance impacts on snow hydrology. Here, we examine, quantify, parameterize,…
Author(s): Kelly E. Gleason, Anne W. Nolin
Year Published:

Climate and disturbance regimes are both changing rapidly, and it is increasingly important for ecologists and park managers to understand the past and anticipate what lies ahead. The frequency, severity, and extent of natural disturbances are…
Author(s): Monica G. Turner, Daniel C. Donato, Winslow D. Hansen, Brian J. Harvey, William H. Romme, Anthony L. Westerling
Year Published:

Mastication of standing trees to reduce crown fuel loading is an increasingly popular method of reducing wildfire hazard in the wildland-urban interface of Canada. Previous research has shown that masticated fuel beds can leave considerable…
Author(s): Dan K. Thompson, Tom J. Schiks, B. Mike Wotton
Year Published:

We contend that traditional approaches to forest conservation and management will be inadequate given the predicted scale of social-economic and biophysical changes in the 21st century. New approaches, focused on anticipating and guiding ecological…
Author(s): Stephen W. Golladay, Katherine L. Martin, James M. Vose, David N. Wear, Alan P. Covich, Richard J. Hobbs, Kier D. Klepzig, Gene E. Likens, Robert J. Naiman, Allan W. Shearer
Year Published:

The persistence of ponderosa pine and lodgepole pine forests in the 21st century depends to a large extent on how seedling emergence and establishment are influenced by driving climate and environmental variables, which largely govern forest…
Author(s): M. D. Petrie, A. M. Wildeman, John Bradford, Robert M. Hubbard, William Lauenroth
Year Published:

Fuel accumulation and climate shifts are predicted to increase the frequency of high-severity fires in ponderosa pine (Pinus ponderosa) forests of central Oregon. The combustion of fuels containing large downed wood can result in intense soil…
Author(s): Ariel D. Cowan, Jane E. Smith, Stephen A. Fitzgerald
Year Published:

Are exotic plant species favoured by non-native ungulate herbivores and disadvantaged by native herbivores in forested rangelands? Do the impacts of ungulates on exotic vs native plants depend on forest management activities such as prescribed fire…
Author(s): Burak K. Pekin, Michael J. Wisdom, Catherine G. Parks, Bryan A. Endress, Bridgett J. Naylor
Year Published:

The importance of knowledge transfer between researchers, policy makers and practitioners is widely recognized. However, barriers to knowledge transfer can make it difficult for practitioners to apply the results of scientific research. This paper…
Author(s): Tara K. McGee, Allan Curtis, Bonita McFarlane, Bruce A. Shindler, Amy Christianson, Christine Olsen, Sarah M. McCaffrey
Year Published:

Climate change is often perceived as controversial in the public’s view. One meaningful way scientists can address this problem is to engage with the public to increase understanding of climate change. Attendees of scientific conferences address…
Author(s): Jeffrey A. Hicke, John T. Abatzoglou, Steven Daley-Laursen, Jamie Esler, Lauren E. Parker
Year Published:

Where do most of the general public encounter whitebark pines? Ski areas! These recreational areas in high elevations allow many to encounter an otherwise remote and wilderness species. This accessibility of whitebark pines at ski areas…
Author(s): Edie Dooley
Year Published:

This is a discussion article qualifying four issues related to soil moisture drought index (SODI) moisture departure.
Author(s): Mohammad Sohrabi, Jae H. Ryu, John T. Abatzoglou, John Tracy
Year Published:

Wildland fire management has reached a crossroads. Current perspectives are not capable of answering interdisciplinary adaptation and mitigation challenges posed by increases in wildfire risk to human populations and the need to reintegrate fire as…
Author(s): Alistair M. S. Smith, Crystal A. Kolden, Travis B. Paveglio, Mark A. Cochrane, David M. J. S. Bowman, Max A. Moritz, Andrew D. Kliskey, Lilian Alessa, Andrew T. Hudak, Chad M. Hoffman, James A. Lutz, Lloyd P. Queen, Scott J. Goetz, Philip E. Higuera, Luigi Boschetti, Michael D. Flannigan, Kara M. Yedinak, Adam C. Watts, Eva K. Strand, Jan W. van Wagtendonk, John Anderson, Brian J. Stocks, John T. Abatzoglou
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This expanded narrative adds to and builds on the Twisp River Status Report. It was written by a 25-member interagency team who visited the incident site, interviewed participants, reviewed official documents, and used this information to recreate…
Author(s): United States Department of Agriculture
Year Published:

Whitebark pine plays a prominent role in high elevation ecosystems of the northern Rocky Mountains. It is an important food source for many birds and mammals as well as an essential component of watershed stabilization. Whitebark pine is vanishing…
Author(s): Molly L. Retzlaff, Signe B. Leirfallom, Robert E. Keane
Year Published:

Ash plays an important role in controlling runoff and erosion processes after wildfire and has frequently been hypothesised to clog soil pores and reduce infiltration. Yet evidence for clogging is incomplete, as research has focussed on identifying…
Author(s): Cathelijine Stoof, Anouk I. Gevaert, Christine Baver, Bahareh Hassanpour, Veronica L. Morales, Wei Zhang, Deborah A. Martin, Shree K. Giri, Tammo S. Steenhuis
Year Published:

Following the loss of homes to wildfire, when risk has been made apparent, homeowners must decide whether to rebuild, and choose materials and vegetation, while local governments guide recovery and rebuilding. As wildfires are smaller and more…
Author(s): Miranda H. Mockrin, Susan I. Stewart, Volker C. Radeloff, Roger B. Hammer
Year Published:

A large body of research focuses on identifying patterns of human populations most at risk from hazards and the factors that help explain performance of mitigations that can help reduce that risk. One common concept in such studies is social…
Author(s): Travis B. Paveglio, Tony Prato, Catrin Edgeley, Derek J. Nalle
Year Published:

Safety rules are unavoidable in hazardous work and are often codified insights from accidents and fatalities. Safety rules research predominantly focuses on factors that influence compliance and violation of rules (a rationalist view), but rarely…
Author(s): Jody L. Jahn
Year Published:

Non-deforestation fire – i.e., fire that is typically followed by the recovery of natural vegetation – is arguably the most influential disturbance in terrestrial ecosystems, thereby playing a major role in carbon exchanges and affecting many…
Author(s): Jean-Sebastien Landry, H. Damon Matthews
Year Published:

The price of wildfire has never been higher. Why? And what can local communities do about it? One way to measure the price of wildfire is the dollars spent on suppression alone. In 1995, fire made up 16 percent of the U.S. Forest Service’s…
Author(s): Stephen R. Miller, Thomas Wuerzer, Jaap Vos, Eric Lindquist, Molly Mowery, Tyre Holfeltz, Brian Stephens, Alexander Grad
Year Published: