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Ecosystem

Displaying 181 - 200 of 5894 results

Wildfires have a significant influence on ecosystems globally, shaping vegetation, biodiversity, landscapes, soil properties, and other ecosystem processes. Despite extensive research on different aspects of wildfires, the edges of burned areas…
Author(s): Ivo Rossetti, Giulia Calderisi, Donatella Cogoni, Giuseppe Fenu
Year Published:

Wildfire prediction plays a vital role in the management and conservation of forest ecosystems. By providing detailed risk assessments, it contributes to the reduction of fire frequency and severity, safeguards forest resources, supports ecological…
Author(s): Mingwei Bao, Jiahao Liu, Hong Ren, Suting Liu, Caixia Ren, Chen Chen, Jianxiang Liu
Year Published:

Background: The prediction of the propagation of wildland fires is an important socio-technical problem. Wildland fires are often initiated by small spot ignition sources and then spread to larger burning areas. Methods: Experiments are conducted…
Author(s): Supan Wang, Maria Thomsen, Xinyan Huang, A. Carlos Fernandez-Pello
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In savanna ecosystems, fire is common, yet little is known on the direct and long-term effects of prescribed burns on arthropod abundance, richness, diversity, and composition. To understand the impact of fire on arthropods at Kruger National Park (…
Author(s): Ludzula Mukwevho, Mduduzi Ndlovu, Gerald Chikowore, Tatenda Dalu, Reyard Mutamiswa, Frank Chidawanyika
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Interactions between urban and wildfire pollution emissions are active areas of research, with numerous aircraft field campaigns and satellite analyses of wildfire pollution being conducted in recent years. Several studies have found that elevated…
Author(s): Daniel L. Mendoza, Erik T. Crosman, Tabitha M. Benney, Corbin Anderson, Shawn A. Gonzales
Year Published:

The USDA Forest Service recently launched a Wildfire Crisis Strategy outlining objectives to safeguard communities and other values at risk by substantially increasing the pace and scale of fuel reduction treatment. This analysis quantified layered…
Author(s): George A. Woolsey, Wade T. Tinkham, Michael A. Battaglia, Chad M. Hoffman
Year Published:

Wildfire spread models are an essential tool for mitigating catastrophic effects associated with wildfires. However, current operational models suffer from significant limitations regarding accuracy and transferability. Recent advances in the…
Author(s): Moritz Rösch, Michael Nolde, Tobias Ullmann, Torsten Riedlinger
Year Published:

Background: Over the last four decades, wildfires in forests of the continental western United States have significantly increased in both size and severity after more than a century of fire suppression and exclusion. Many of these forests…
Author(s): Malcolm P. North, Sarah M. Bisbing, Don L. Hankins, Paul F. Hessburg, Matthew D. Hurteau, Leda N. Kobziar, Marc D. Meyer, Allison E. Rhea, Scott L. Stephens, Camille Stevens-Rumann
Year Published:

The number of large, high-severity wildfires has been increasing across the western United States over the last several decades. It is not fully understood how changes in the frequency of large, severe wildfires may impact the resilience of conifer…
Author(s): Casey Menick, Wade T. Tinkham, Chad M. Hoffman, Melanie K. Vanderhoof, Jody Vogeler
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This study investigates the kickback force (FK) experienced by firefighters during fire suppression using hoses of varying diameters and different nozzle sizes. Rigorous ground tests were conducted, where a fire engine was employed to propel water…
Author(s): Dac Nguyen, Richard M. Kesler, Shyuan Cheng, Leonardo P. Chamorro, Samuel Vega, Aaron Fields, Dennis LeGear, Farzaneh Masoud
Year Published:

As wildfire activity increases and fire-size distributions potentially shift in many forested regions worldwide, anticipating the spatial patterns of burn severity expected with future fire activity is critical for ecological understanding and…
Author(s): Michele S. Buonanduci, Daniel C. Donato, Joshua S. Halofsky, Maureen C. Kennedy, Brian J. Harvey
Year Published:

Background Anthropogenic climate change is expected to catalyze forest conversion to grass and shrublands due to more extreme fire behavior and hotter and drier post-fire conditions. However, field surveys in the Northern Rocky Mountains of the…
Author(s): Margaret D/ Epstein, Carl A. Seielstad, Christopher J. Moran
Year Published:

In the sentence beginning ‘The first objective of this study’ in this article under Sect. 3.1. Conditions for self-sustained smoldering, quotation marks were added for the x symbol. It should have been read as ‘At a wind speed of 1.5 m/s, some of…
Author(s): Luca Carmignani, Mohammadhadi Hajilou, J. Cobian-Iniguez, Mark A. Finney, Scott L. Stephens, Michael J. Gollner, A. Carlos Fernandez-Pello
Year Published:

Satellite, radar, and strategically placed Remote Automated Weather Stations (RAWS) are a few of the many technologies used to gather data and predict weather. Yet, some weather events are still unpredictable. A morning forecast for a chance of…
Author(s): Rebecca Jones, Jason M. Forthofer, Natalie S. Wagenbrenner
Year Published:

In early 2020 the US Forest Service (USFS) recognized the need to gather real-time information from its wildland fire management personnel about their challenges and adaptations during the unfolding COVID-19 pandemic. The USFS conducted 194 virtual…
Author(s): David Flores, Rebekah L. Fox, Jody L. Jahn, Craig Conley, Satoris S. Howes, Joel O. Iverson, Steven J. Venette, Emily Haire, Cathelijine Stoof
Year Published:

The primary objective of prescribed burning (PB) treatment is to promote increased ecosystem resistance to high fire severity and ecosystem adaptive resilience after unplanned wildfires under worsening climates. Yet, empirical evidence involving…
Author(s): José Manuel Fernández-Guisuraga, Paulo M. Fernandes
Year Published:

In civil construction, one of the primary challenges associated with wood application is its high flammability and low durability during fires. Although chemical treatment with fire-retardant properties exists, they are expensive and of non-…
Author(s): Eraldo Antonio Bonfatti Junior, Jeinna Michelly Rodrigues de Barros, Elaine Cristina Lengowski
Year Published:

Large forest fires have far-reaching impacts on the environment, human health, infrastructure and the economy. Forest fires become large when all forest types across a landscape are dry enough to burn. Mesic forests are the slowest to dry and can…
Author(s): Jane G. Cawson, Luke Collins, Sean A. Parks, Rachael H. Nolan, Trent D. Penman
Year Published:

Fire suppression is the primary management response to wildfires in many areas globally. By removing less-extreme wildfires, this approach ensures that remaining wildfires burn under more extreme conditions. Here, we term this the “suppression bias…
Author(s): Mark R. Kreider, Philip E. Higuera, Sean A. Parks, William L. Rice, Nadia White, Andrew J. Larson
Year Published:

Background The moisture content of litter and woody debris is a key determinant of fire potential and fire behaviour. Obtaining reliable estimates of the moisture content of dead fine fuels (i.e. 1-h and 10-h fuels) is therefore a critical…
Author(s): J. Sharples, P. Jyoteeshkumar Reddy, Víctor Resco de Dios, Rachael H. Nolan, Matthias M. Boer, Ross A. Bradstock
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