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Ecosystem

Displaying 1701 - 1720 of 6073 results

Fire in wetlands is poorly understood, yet hazard reduction burns are a common management practice and bushfires are becoming increasingly prevalent because of climate change. Fire may have long-lasting implications for the microbial component of…
Author(s): Nicole A. Christiansen, Kirstie A. Fryirs, Timothy J. Green, Grant C. Hose
Year Published:

Within the realms of both wildland and prescribed fire, an understanding of how fire severity and forest structure interact is critical for improving fuels treatment effectiveness, quantifying the ramifications of wildfires, and improving fire…
Author(s): Nick Skowronski, Michael R. Gallagher, Timothy A. Warner
Year Published:

Background tree mortality is a complex process that requires large sample sizes and long timescales to disentangle the suite of ecological factors that collectively contribute to tree stress, decline, and eventual mortality. Tree mortality…
Author(s): Tucker J. Furniss, Andrew J. Larson, Van R. Kane, James A. Lutz
Year Published:

Central to public health risk communication is understanding the perspectives and shared values among individuals who need the information. Using the responses from a Smoke Sense citizen science project, we examined perspectives on the issue of…
Author(s): Mary Clare Hano, Steven E. Prince, Linda Wei, Bryan Hubbell, Ana G. Rappold
Year Published:

We need a comprehensive strategy to improve collaboration and capacity for wildland fire science in North America. Every year, wildfires burn across large areas of Continental North America. These fires recognize no political boundaries; some cross…
Author(s): Diego Pérez Salicrup, Stacy Sankey, William Matt Jolly, Jonathan Boucher, Eric Toman, Christy Arseneau, Michael Norton
Year Published:

Aim: Functional traits are a crucial link between species distributions and the ecosystem processes that structure those species’ niches. Concurrent increases in the availability of functional trait data and our ability to model species…
Author(s): Jens T. Stevens, Matthew M. Kling, Dylan W. Schwilk, J. Morgan Varner, Jeffrey M. Kane
Year Published:

Understanding the complex relationship between the duration and size of forest fires is important in order to better predict these key characteristics of fires for fire management purposes in a changing climate. Describing this relationship is also…
Author(s): Dexen D.Z. Xi, Charmaine B. Dean, Stephen W. Taylor
Year Published:

Climate drives the coevolution of vegetation and the soil that supports it. Wildfire dramatically affects many key eco‐hydro‐geomorphic processes but its potential role in coevolution of soil‐forest systems has been largely overlooked. The steep…
Author(s): Assaf Inbar, Petter Nyman, Patrick N. J. Lane, Gary J. Sheridan
Year Published:

Air quality impacts from wildfires have been dramatic in recent years, with millions of people exposed to elevated and sometimes hazardous fine particulate matter (PM 2.5 ) concentrations for extended periods. Fires emit particulate matter (PM) and…
Author(s): Daniel A. Jaffe, Susan M. O'Neill, Narasimhan K. Larkin, Amara L. Holder, David L. Peterson, Jessica E. Halofsky, Ana G. Rappold
Year Published:

This review summarizes information that was available in the scientific literature as of 2020 on the biology, ecology, and effects of fire on diffuse knapweed in North America. Diffuse knapweed is not native in North America and is invasive in…
Author(s): Kristin L. Zouhar, Robin J. Innes
Year Published:

1. Fire is a powerful ecological and evolutionary force that regulates organismal traits, population sizes, species interactions, community composition, carbon and nutrient cycling, and ecosystem function. It also presents a rapidly growing societal…
Author(s): Kendra K. McLauchlan, Philip E. Higuera, Jessica R. Miesel, Brendan M. Rogers, Jennifer A. Schweitzer, Jacquelyn Kremper Shuman, Alan J. Tepley, J. Morgan Varner, Thomas T. Veblen, Solny A. Adalsteinsson, Jennifer Balch, Enric Batllori, Erica R. Bigio, Paulo M. Brando, Megan E. Cattau, Janice L. Coen, Raelene M. Crandall, Lori D. Daniels, Neal J. Enright, Wendy S. Gross, Brian J. Harvey, Jeff A. Hatten, Sharon M. Hermann, Rebecca E. Hewitt, Leda N. Kobziar, Jennifer B. Landesmann, Michael M. Loranty, S. Yoshi Maezumi, Linda Mearns, Max A. Moritz, Jonathan A. Myers, Juli G. Pausas, Adam F. A. Pellegrini, William J. Platt, Jennifer Roozeboom, Hugh Safford, Fernanda Santos, Robert M. Scheller, Rosemary L. Sherriff, Kevin G. Smith, Melinda D. Smith, Adam C. Watts
Year Published:

Aims: Wildfires in dry forest ecosystems in western North America are producing fire effects that are more severe than historical estimates, raising concerns about the resilience of these landscapes to contemporary disturbances. Despite increasing…
Author(s): William M. Downing, Meg A. Krawchuk, Jonathan D. Coop, Garrett W. Meigs, Sandra L. Haire, Ryan B. Walker, Ellen Whitman, Geneva W. Chong, Carol Miller, Claire Tortorelli
Year Published:

Globally, savanna ecosystems are shifting outside of “safe operating spaces” due to removal of their primary self-reinforcing feedback—fire—and subsequent erosion of disturbance legacies. Restoring savannas will require reinstating fire feedbacks.…
Author(s): Caleb P. Roberts, Victoria M. Donovan, Sarah M. Nodskov, Emma C. Keele, Craig D. Allen, David A. Wedin, Dirac Twidwell
Year Published:

Grasslands occur on all of the continents. They collectively constitute the largest ecosystem in the world, making up 40.5% of the terrestrial land area, excluding Greenland and Antarctica. Grasslands are not entirely natural because they have…
Author(s): Daniel G. Neary, Jackson M. Leonard
Year Published:

In the present experiment we evaluated the impact of rapid heat stress on decision-making and neural function. Previous work has demonstrated that heat stress has an impact on cognitive and neural function. Here, we hypothesized that a rapid…
Author(s): Cory J. Coehoorn, Lynneth A. Stuart-Hill, Wande Abimbola, J. Patrick Neary, Olave E. Krigolson
Year Published:

Coupled fire-atmospheric modeling tools are increasingly used to understand the complex and dynamic behavior of wildland fires. Multiple research tools linking combustion to fluid flow use Navier-Stokes numerical solutions coupled to a thermodynamic…
Author(s): Rodman Linn, Scott L. Goodrick, Sara Brambilla, Martin J. Brown, R. S. Middleton, Joseph J. O'Brien, J. Kevin Hiers
Year Published:

Particularly in rural settings, there has been little research regarding the health impacts of fine particulate matter (PM2.5) during the wildfire season smoke exposure period on respiratory diseases, such as influenza, and their associated…
Author(s): Erin L. Landguth, Zachary A. Holden, Jonathan M. Graham, Benjamin Stark, Elham Bayat Mokhtari, Emily Kaleczyc, Stacey Anderson, Shawn P. Urbanski, William Matt Jolly, Erin O. Semmens, Dyer A. Warren, Alan Swanson, Emily Stone, Curtis W. Noonan
Year Published:

The Wildfire Research Center (WiRe Center) works with wildfire practitioners seeking to create communities that are adapted to wildfire using an evidenced-based approach. Historically, immediate threats and wildfire suppression have garnered much…
Author(s): Hannah Brenkert-Smith, Patricia A. Champ, Jonathan Riley, Christopher M. Barth, Colleen Donovan, James R. Meldrum, Carolyn Wagner
Year Published:

Municipal firefighters count on their protective garments to avoid skin burns caused by thermal and flame exposures. Typical firefighting garment consists of three layers of different fire-resistant fabrics named as outer shell, moisture barrier and…
Author(s): Ahmed Ghazy
Year Published:

In 2018, Fire Management Today carried an article on smoke exposure (6 Minutes for Safety 2018). The article describes actions you can take to mitigate smoke exposure and techniques for reducing the exposure of firefighters to heavy smoke. The…
Author(s): Randall C. Thomas
Year Published: