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Ecosystem

Displaying 301 - 320 of 6073 results

Background: Situational awareness is an essential component of wildland firefighter safety. In the US, crew lookouts provide situational awareness by proxy from ground-level locations with visibility of both fire and crew members. Aims: To use…
Author(s): Katherine A. Mistick, Michael J. Campbell, Phillip E. Dennison
Year Published:

Introduction: Climate change is predicted to increase the frequency of extreme single-day fire spread events, with major ecological and social implications. In contrast with well-documented spatio-temporal patterns of wildfire ignitions and…
Author(s): Jared A. Balik, Jonathan D. Coop, Meg A. Krawchuk, Cameron Naficy, Marc-Andre Parisien, Sean A. Parks, Camille Stevens-Rumann, Ellen Whitman
Year Published:

Fire ecology is a complex discipline that can only be understood by integrating biological, physical, and social sciences. The science of fire ecology explores wildland fire’s mechanisms and effects across all scales of time and space. However, the…
Author(s): Leda N. Kobziar, J. Kevin Hiers, Claire M. Belcher, William J. Bond, Carolyn Enquist, E. Louise Loudermilk, Jessica R. Miesel, Joseph O’Brien, Juli G. Pausas, Sharon M. Hood, Robert E. Keane, Penelope Morgan, Melissa R. A. Pingree, Karin Riley, Hugh Safford, Francisco Seijo, J. Morgan Varner, Tamara Wall, Adam C. Watts
Year Published:

Evidence has previously shown that outer tunics (turnout coats) worn by firefighters at structural fires are contaminated with harmful chemicals which subsequently off-gas from the material. However, there is limited research on whether this…
Author(s): Kiam Padamsey, Adelle Liebenberg, Ruth Wallace, Jacques Oosthuizen
Year Published:

Unmanned aerial vehicles (UAVs) equipped with RGB, multispectral, or thermal cameras have demonstrated their potential to provide high-resolution data before, during, and after wildfires and prescribed burns. Pre-burn point clouds generated through…
Author(s): Juan Pedro Carbonell-Rivera, Christopher J. Moran, Carl A. Seielstad, Russell A. Parsons, Valentijn Hoff, Luis A. Ruiz, Jesus Torralba, Javier Estornell
Year Published:

Prescribed burns are used to maintain wildland ecosystems and decrease fuel loads and associated wildfire hazard. Prescribed burns may produce enough smoke to cause adverse health outcomes. The aim of this review is to understand what communication…
Author(s): Margaux Joe, Adrienne Cocci, Chioma Ihekweazu, Olorunfemi Adetona, Anna M. Adetona, Tanya Maslak, Luke P. Naeher
Year Published:

This Fire Regime Synthesis details characteristics of presettlement (i.e., before Euro-American settlement), historical (i.e., any past record), and contemporary (i.e., 1980s to present) fuels and fire regimes in ponderosa pine and montane mixed-…
Author(s): Kristin Zouhar, Ashley Juran, Shawn T. McKinney, Ilana L. Abrahamson
Year Published:

Historical and contemporary policies and practices, including the suppression of lightning-ignited fires and the removal of intentional fires ignited by Indigenous peoples, have resulted in over a century of fire exclusion across many of the USA’s…
Author(s): Clare E. Boerigter, Sean A. Parks, Jonathan Long, Jonathan D. Coop, Melanie Armstrong, Don L. Hankins
Year Published:

Wildfires have short- and long-term impacts on the geoenvironment, including the changes to biogeochemical and mechanical properties of soils, landfill stability, surface- and groundwater, air pollution, and vegetation. Climate change has increased…
Author(s): Arvin Farid, Md Khorshed Alam, Venkata Siva Naga Sai Goli, Idil Deniz Akin, Taiwo Akinleye, Xiaohui Chen, Qing Cheng, Peter Cleall, Sabatino Cuomo, Vito Foresta, Shangqi Ge, Luca Iervolino, Pierrette Iradukunda, Charles H. Luce
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:

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:

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:

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: Crown scorch - the heating of live leaves, needles, and buds in the vegetative canopy to lethal temperatures without widespread combustion - is one of the most common fire effects shaping post-fire canopies. Despite the ability of…
Author(s): Adam L. Atchley, Chad M. Hoffman, Sophie R. Bonner, Scott M. Ritter, Joseph J. O'Brien, Rodman Linn
Year Published:

Expected future scenarios including climate change, a greater incidence of urban conflagrations, and continued fuel-load accumulations will increase demands on the wildfire management system in the United States, resulting in increased difficulty…
Author(s): David E. Calkin, Matthew P. Thompson, Stephen D. Fillmore
Year Published:

Climate change is altering fire regimes and post-fire conditions, contributing to relatively rapid transformation of landscapes across the western US. Studies are increasingly documenting post-fire vegetation transitions, particularly from forest to…
Author(s): Kimberly T. Davis, Monique D. Wynecoop, Mary Ann Rozance, Katherine B. Swensen, Drew S. Lyons, Charlotte Dohrn, Meade Krosby
Year Published: