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Ecosystem

Displaying 861 - 880 of 5894 results

Research about soil hydrology after wildfire has widely investigated the impacts of many post-fire management strategies on ecosystems with different characteristics. However, despite this ample literature, clear guidelines about the effectiveness…
Author(s): Demetrio Antonio Zema
Year Published:

A method for the large-eddy simulation (LES) of wildfire spread over complex terrain is presented. In this scheme, a cut-cell immersed boundary method (CC-IBM) is used to render the complex terrain, defined by a tessellation, on a rectilinear…
Author(s): Marcos Vanella, Kevin B. McGrattan, Randall McDermott, Glenn P. Forney, William E. Mell, Emanuele Gissi, Paolo Fiorucci
Year Published:

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:

Fire is a natural element that has important effects on society, economy and environment. It is a critical element of many ecosystems, but when uncontrolled is the cause of the destruction of many socio-economic systems. These uncontrolled fires (…
Author(s): Lea Wittenberg, Paulo Pereira
Year Published:

Forested environments are subject to large and high intensity unplanned fire events, owing to, among other factors, the high quantity and complex structure of fuel in these environments. Compiling accurate and spatially comprehensive fuel…
Author(s): Matthew G. Gale, Geoffrey J. Cary, Albert I. J. M. van Dijk, Marta Yebra
Year Published:

We review science-based adaptation strategies for western North American (wNA) forests that include restoring active fire regimes and fostering resilient structure and composition of forested landscapes. As part of the review, we address common…
Author(s): Susan J. Prichard, Paul F. Hessburg, R. Keala Hagmann, Nicholas A. Povak, Solomon Z. Dobrowski, Matthew D. Hurteau, Van R. Kane, Robert E. Keane, Leda N. Kobziar, Crystal A. Kolden, Malcolm P. North, Sean A. Parks, Hugh Safford, Jens T. Stevens, Larissa L. Yocom, Derek J. Churchill, Robert W. Gray, David W. Huffman, Frank K. Lake, Pratima Khatri-Chhetri
Year Published:

Evapotranspiration (ET) accounts for a substantial portion of regional water budgets in much of the southeast and fire-prone western United States (US). Even small changes in ET rates can translate to meaningful shifts in runoff patterns and makes…
Author(s): Natalie M. Collar, Samuel Saxe, Ashley J. Rust, Terri S. Hogue
Year Published:

Fire whirls are a particular case of flame behaviour characterized by a rotating column of fire driven by intense convective heating of air close to the ground. They typically result in a substantial increase in burning rate, temperature, and flame…
Author(s): Maryam Ghodrat, Farshad Shakeriaski, David James Nelson, Albert Simeoni
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
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