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Ecosystem

Displaying 281 - 300 of 6051 results

Wildfire is an increasing concern throughout the world, with wildfires increasing in size, frequency, suppression cost, and loss of lives and resources. Targeted grazing has been suggested as a tool to establish and maintain strategic fuel breaks by…
Author(s): Christopher L. Schachtschneider, Eva K. Strand, Karen Launchbaugh, Scott Jensen
Year Published:

Background: Fires release large pulses of nitrogen (N), which can be taken up by recovering plants and microbes or exported to streams where it can threaten water quality. Aims: The amount of N exported depends on the balance between N…
Author(s): Maxwell Kay Strain, Mary K. Brady, Erin J. Hanan
Year Published:

Wildfires are increasingly impacting social and environmental systems in the United States (US). The ability to mitigate the adverse effects of wildfires increases with understanding of the social, physical, and biological conditions that co-…
Author(s): Yavar Pourmohamad, John T. Abatzoglou, Erin J. Belval, Erica Fleishman, Karen C. Short, Matthew C. Reeves, Nicholas J. Nauslar, Philip E. Higuera, Eric Henderson, Sawyer Ball, Amir AghaKouchak, Jeffrey P. Prestemon, Julia Olszewski, Mojtaba Sadegh
Year Published:

Globe-LFMC 2.0, an updated version of Globe-LFMC, is a comprehensive dataset of over 280,000 Live Fuel Moisture Content (LFMC) measurements. These measurements were gathered through field campaigns conducted in 15 countries spanning 47 years. In…
Author(s): Marta Yebra, Gianluca Scortechini, Karine Adeline, Nursema Aktepe, Turkia Almoustafa, Avi Bar-Massada, María Eugenia Beget, Matthias M. Boer, Ross A. Bradstock, Tegan Brown, Francesc Xavier Castro, Rui Chen, Emilio Chuvieco, Mark Danson, Cihan Unal Degirmenci, Ruth Delgado-Davila, Phillip E. Dennison, Carlos Di Bella, Oriol Domenech, Jean-Baptiste Feret, Greg Forsyth, Eva Gabriel, Zisis Gagkas, Fatma Gharbi, Elena Granda, Anne Griebel, Binbin He, William Matt Jolly
Year Published:

Background: Forest structural characteristics, the burning environment, and the choice of ignition pattern each influence prescribed fire behaviors and resulting fire effects; however, few studies examine the influences and interactions of these…
Author(s): Sophie R. Bonner, Chad M. Hoffman, Rodman Linn, Wade T. Tinkham, Adam L. Atchley, Carolyn Sieg, J. Morgan Varner, Joseph J. O'Brien, J. Kevin Hiers
Year Published:

Spotting ignition by firebrands is a significant fire spread pathway at the wildland-urban interface (WUI), where mulch products are commonly used as landscaping materials. Mulch is typically organic in nature, thus it may be easily ignited into a…
Author(s): Shaorun Lin, Chengze Li, Mackenzie Conkling, Xinyan Huang, Steve Quarles, Michael J. Gollner
Year Published:

Background: Predicting fire behaviour is an ongoing challenge in temperate peatlands and heathlands, where live fuels can form the dominant fuel load for wildfire spread, and where spatial heterogeneity in fuel moisture is important but not…
Author(s): K. Little, Nick Kettridge, Claire M. Belcher, L. J. Graham, C. R. Stoof, K. Ivison, Adrián Cardil
Year Published:

This scientific commentary refers to `Stem heating results in hydraulic dysfunction in Symplocos tinctoria: implications for post-fire tree death' by Hoffmann et al. (https://doi.org/10.1093/treephys/tpae023).How does fire kill trees? This is a…
Author(s): Rachael H. Nolan, Charlotte C. Reed, Sharon M. Hood
Year Published:

Forest restoration treatments primarily aimed at reducing fuel load and preventing high-severity wildfires can also influence resilience to other disturbances. Many pine forests in temperate regions are subject to tree-killing bark beetle outbreaks…
Author(s): Lena Vilà-Vilardell, Alan J. Tepley, Anna Sala, Pere Casals, Sharon M. Hood
Year Published:

Wildfires and climate change increasingly are transforming vegetation composition and structure, and postfire management may have long-lasting effects on ecosystem reorganization. Postfire aerial seeding treatments are commonly used to reduce runoff…
Author(s): Andreas P. Wion, Jens T. Stevens, Kay Beeley, Rebecca Oertel, Ellis Q. Margolis, Craig D. Allen
Year Published:

In the mountainous regions of the Western United States, increasing wildfire activity and climate change are putting forests at risk of regeneration failure and conversion to non-forests. During periods with unfavorable climatic conditions,…
Author(s): Grace Peven, Mary Engels, Jan U. H. Eitel, Robert A. Andrus
Year Published:

Aspen forests are threatened by the impacts of a changing climate and are showing large-scale mortality with meager natural regeneration to restore these loses. Therefore, there is an increasing demand for high-quality aspen seedlings to assist with…
Author(s): Aalap Dixit, Owen Burney
Year Published:

We evaluated the post-fire sediment dynamics in beaver ponds to examine these ponds' contributions to sediment storage following disturbance. Beaver dams and beaver mimicry structures impound water and sediment, a function that is of growing…
Author(s): Sarah B. Dunn, Sara Rathburn, Ellen Wohl
Year Published:

The Australian megafires of 2019–2020 were considered catastrophic for flora and fauna, yet little is known about their impacts on reptiles. We investigated the impacts of the 2019–2020 megafires on reptiles in Morton National Park, New South Wales…
Author(s): Maddison L. Archer, Mike Letnic, Brad R. Murray, Jonathan K. Webb
Year Published:

Understanding causes of insect population declines is essential for the development of successful conservation plans, but data limitations restrict assessment across spatial and temporal scales. Museum records represent a source of historical data…
Author(s): Kayla I. Perry, Christie A. Bahlai, Timothy J. Assal, Christopher B. Riley, Katherine J. Turo, Leo Taylor, James Radl, Yvan A. Delgado de la flor, Frances S. Sivakoff, Mary M. Gardiner
Year Published:

This work presents a study on the formation of laboratory- scale fire whirls using forest fuels to replicate real-world fire whirls. A total of 48 experiments are conducted using three distinct types of forest fuels, namely Pinus Roxburghii, Shorea…
Author(s): Pushpendra Kumar Vishwakarma, Kirti Bhushan Mishra, A. Aravind Kumar
Year Published:

Fire is a powerful tool for conservation management at a landscape scale, but a rigorous evidence base is often lacking for understanding its impacts on biodiversity in different biomes. Fire-induced changes to habitat openness have been identified…
Author(s): François Brassard, Brett P. Murphy, Alan N. Andersen
Year Published:

Destructive wildfires pose a serious threat to ecosystems, economic development, and human life and property safety. If wildfires can be extinguished in a relatively short period of time after they occur, the losses caused by wildfires will be…
Author(s): Hongtao Xiao, Yingfang Zhu, Yurong Sun, Gui Zhang, Zhiwei Gong
Year Published:

Background Enactment of the Clean Air Act (CAA), Endangered Species Act (ESA), and National Environmental Policy Act (NEPA), three of the primary federal environmental laws, all coincided with the height of fire suppression and exclusion in the…
Author(s): Sara A. Clark, Jenna N. Archer, Scott L. Stephens, Brandon M. Collins, Don L. Hankins
Year Published:

Background: Characterisation of fuel consumption provides critical insights into fire behaviour, effects, and emissions. Stand-replacing prescribed fire experiments in central Utah offered an opportunity to generate consumption estimates in…
Author(s): T. Ryan McCarley, Andrew T. Hudak, Benjamin C. Bright, J.B. Cronan, Paige C. Eagle, Roger D. Ottmar, Adam C. Watts
Year Published: