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Ecosystem

Displaying 981 - 1000 of 5896 results

For over 20 years, forest fuel reduction has been the dominant management action in western US forests. These same actions have also been associated with the restoration of highly altered frequent-fire forests. Perhaps the vital element in the…
Author(s): Scott L. Stephens, Michael A. Battaglia, Derek J. Churchill, Brandon M. Collins, Michelle Coppoletta, Chad M. Hoffman, Jamie M. Lydersen, Malcolm P. North, Russell A. Parsons, Scott M. Ritter, Jens T. Stevens
Year Published:

Key to the long-term resilience of dryland ecosystems is the recovery of foundation plant species following disturbance. In ecosystems with high interannual weather variability, understanding the influence of short-term environmental conditions on…
Author(s): Alexandra K. Urza, Peter J. Weisberg, David Board, Jeanne C. Chambers, Stanley G. Kitchen, Bruce A. Roundy
Year Published:

Throughout the United States, wildland firefighters respond to wildfires, performing arduous work in remote locations. Wildfire incidents can be an ideal environment for the transmission of infectious diseases, particularly for wildland firefighters…
Author(s): Kathleen M. Navarro, Kathleen A. Clark, Daniel J. Hardt, Colleen Reid, Peter Lahm, Joseph W. Domitrovich, Corey Butler, John R. Balmes
Year Published:

Significance: The coronavirus pandemic, COVID-19, led to strict social-distancing guidelines that severely impacted human livelihood and economic activity. Workplace closures reduced travel, and early in spring 2020, improvements in air and water…
Author(s): Ben Poulter, Patrick H. Freeborn, William Matt Jolly, J. Morgan Varner
Year Published:

Purpose: To understand the association between heart rate variability and indices of fatigue, total sleep time, and reaction time in shift workers. Methods:Ten participants from the British Columbia Wildfire Service management team were examined…
Author(s): Andrew T. Jeklin, Andrew S. Perrotta, Hugh W. Davies, Shannon S. D. Bredin, Dion A. Paul, Darren E. R. Warburton
Year Published:

Scarcity in wildland fire progression data as well as considerable uncertainties in forecasts demand improved methods to monitor fire spread in real time. However, there exists at present no scalable solution to acquire consistent information about…
Author(s): Nicholas McCarthy, Ali Tohidi, Yawar Aziz, Matt Dennie, M.M. Valero, Nicole Hu
Year Published:

Dangerous wildfire conditions continue to threaten people and ecosystems across the globe and cooperation is critical to meeting the outsized need for increased prescribed burning in wildfire risk reduction work. Despite the benefits of using…
Author(s): Heidi Huber-Stearns, Anna Santo, Courtney Schultz, Sarah M. McCaffrey
Year Published:

Whitebark pine (Pinus albicaulis) (PIAL) is a proposed threatened species that plays a keystone ecological role in the Greater Yellowstone Ecosystem (GYE). Its population response to climate change is of high interest to managers because climate-…
Author(s): Andrew J. Hansen, Alyson East, Robert E. Keane, Matt Lavin, Kristin Legg, Zachary A. Holden, Chris Toney, Franklin Alongi
Year Published:

Aims:Fire regimes are key drivers of ecosystem dynamics and are changing worldwide. Uncertainty about how fire history affects responses to individual fires hampers predictions of fire impacts on important ecosystem functions such as C cycling. Thus…
Author(s): Ingrid J. Slette, Alannah Liebert, Alan K. Knapp
Year Published:

Extensive, severe wildfires, and wildfire‐induced smoke occurred across the western and central United States since August 2020. Wildfires resulting in the loss of habitats and emission of particulate matter and volatile organic compounds pose…
Author(s): Di Yang, Anni Yang, Jue Yang, Rongting Xu, Han Qiu
Year Published:

Large areal fires, such as those ignited following a nuclear detonation, can inject smoke into the upper troposphere and lower stratosphere. Detailed fire simulations allow for assessment of how local weather interacts with these fires and affects…
Author(s): Stephanie Redfern, Julie Lundquist, Owen B. Toon, Domingo Muñoz-Esparza, Charles G. Bardeen
Year Published:

In 2020, people's health suffered a great crisis under the dual effects of the COVID-19 pandemic and the extensive, severe wildfires in the western and central United States. Parks, including city, national, and cultural parks, offer a unique…
Author(s): Anni Yang, Jue Yang, Di Yang, Rongting Xu, Yaqian He, Amanda Aragon, Han Qiu
Year Published:

1. Spatial connections between habitats are important to allow movement of organisms across heterogeneous landscapes with diverse disturbances and management. Similarly, species providing functional connections between subnetworks of species…
Author(s): Laura A. Burkle, Laura J. Heil, R. Travis Belote
Year Published:

The spatial overlap of multiple ecological disturbances in close succession has the capacity to alter trajectories of ecosystem recovery. Widespread bark beetle outbreaks and wildfire have affected many forests in western North America in the past…
Author(s): Robert A. Andrus, Sarah J. Hart, Niko Tutland, Thomas T. Veblen
Year Published:

Native grasslands have been vastly transformed with the expansion of human activities. Applied fire regimes offer conservation-based management an opportunity to enhance remaining grassland biodiversity and secure its persistence into the future.…
Author(s): Paul J. Gordijn, Timothy G. O'Connor
Year Published:

Every year forest fires destroy millions of hectares of land worldwide. Detecting forest fire ignition in the early stages is fundamental to avoid forest fires catastrophes. In this approach, Wireless Sensor Network is explored to develop a…
Author(s): Beatriz Azevedo, Thadeu Brito, José Lima, Ana Pereira
Year Published:

Formal regulation of private property and exploration of 'risk transmission' across ownerships are two popular means for addressing wildfire management at landscape scales. However, existing studies also indicate that a number of barriers exist for…
Author(s): Travis B. Paveglio, Amanda M. Stasiewicz, Catrin Edgeley
Year Published:

In recent years, the importance of soil health for ecosystem functions has come further into the scientific focus (Lehmann et al., 2020). Especially after severe ecosystem disturbances, soil formation has to start anew. Such disturbances, which…
Author(s): Maik Veste, Vincent John Martin Noah Felde, Steven D. Warren, Nicole Pietrasiak
Year Published:

Wildfires are known to be one of the main causes of soil erosion and land degradation, and their impacts on ecosystems and society are expected to increase in the future due to changes in climate and land use. It is therefore vital to mitigate the…
Author(s): Antonio Girona-García, Diana C.S. Vieira, Joana Silva, Cristina Fernández, Peter R. Robichaud, Jan J. Keizer
Year Published:

Effective wildland fire management increasingly entails fostering shared stewardship of the landscape across ownership boundaries, and enacting collaborative strategies that require management responsibilities distributed among public agencies,…
Author(s): Alex W. Kirkpatrick
Year Published: