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Ecosystem

Displaying 961 - 980 of 6051 results

Background: Maternal wildfire exposure (e.g., smoke, stress) has been associated with poor birth outcomes with effects potentially mediated through air pollution and psychosocial stress. Despite the recent hike in the intensity and frequency of…
Author(s): Sana Amjad, Dagmara Chojecki, Alvaro Osornio-Vargas, Maria B. Ospina
Year Published:

This FEIS species review synthesizes information on the relationship of Lathyrus bijugatus (pinewoods sweetpea) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species…
Author(s): Janet L. Fryer
Year Published:

Wildfire behavior predictions typically suffer from significant uncertainty. However, wildfire modeling uncertainties remain largely unquantified in the literature, mainly due to computing constraints. New multifidelity techniques provide a…
Author(s): M.M. Valero, Lluís Jofre, Ricardo Torres
Year Published:

Understanding tree physiological responses to fire is needed to accurately model post‐fire carbon processes and inform management decisions. Given trees can die immediately or at extended time periods after fire, we combined two experiments to…
Author(s): Raquel Partelli Feltrin, Alistair M. S. Smith, Henry D. Adams, Crystal A. Kolden, Daniel M. Johnson
Year Published:

Forest landscapes across western North America (wNA) have experienced extensive changes over the last two centuries, while climatic warming has become a global reality over the last 4 decades. Resulting interactions between historical increases in…
Author(s): Paul F. Hessburg, Susan J. Prichard, R. Keala Hagmann, Nicholas A. Povak, Frank K. Lake
Year Published:

Forest fires are a well-known source of polycyclic aromatic hydrocarbons (PAHs), playing an important role on their formation and redistribution across the terrestrial and aquatic compartments. Fire-induced inputs of PAHs to the environment are of…
Author(s): Isabel Campos, Nelson Abrantes
Year Published:

Regeneration is an essential demographic step that affects plant population persistence, recovery after disturbances, and potential migration to track suitable climate conditions. Challenges of restoring big sagebrush (Artemisia tridentata) after…
Author(s): Daniel Schlaepfer, John Bradford, William Lauenroth, Robert K. Shriver
Year Published:

Post‐fire shifts in vegetation composition will have broad ecological impacts. However, information characterizing post‐fire recovery patterns and their drivers are lacking over large spatial extents. In this analysis we used Landsat imagery…
Author(s): Melanie K. Vanderhoof, Todd J. Hawbaker, Andrea Ku, Kyle E. Merriam, Erin Berryman, Megan E. Cattau
Year Published:

Highlights: A review of active fire remote sensing using EO satellites is presented. Different approaches for fire detection and characterization are compared and contrasted. Main satellite active fire products and their applications are summarised…
Author(s): Martin J. Wooster, Gareth Roberts, Louis Giglio, David P. Roy, Patrick H. Freeborn, Luigi Boschetti, Christopher O. Justice, Charles Ichoku, Wilfrid Schroeder, Diane Davies, Alistair M. S. Smith, Alberto Setzer, Ivan A. Csiszar, Tercia Strydom, Philip Frost, Tianran Zhang, Weidong Xu, Mark C. de Jong, Joshua M. Johnston, Luke Ellison, Krishna P. Vadrevu, Jessica L. McCarty, Veerachai Tanpipat, Christopher Schmidt, Jesus San-Miguel-Ayanz
Year Published:

A key pursuit in contemporary ecology is to differentiate regime shifts that are truly irreversible from those that are hysteretic. Many ecological regime shifts have been labeled as irreversible without exploring the full range of variability in…
Author(s): Christine H. Bielski, Rheinhardt Scholtz, Victoria M. Donovan, Craig R. Allen, Dirac Twidwell
Year Published:

Runoff and erosion processes can increase after wildfire and post‐fire salvage logging, but little is known about the specific effects of soil compaction and surface cover after post‐fire salvage logging activities on these processes. We carried out…
Author(s): Sergio A. Prats, Maruxa C. Malvar, Joseph W. Wagenbrenner
Year Published:

Woody plant expansions are altering ecosystem structure and function, as well as fire regimes, around the globe. Tree‐reduction treatments are widely implemented in expanding woodlands to reduce fuel loads, increase ecological resilience, and…
Author(s): Stephanie M. Freund, Beth A. Newingham, Jeanne C. Chambers, Alexandra K. Urza, Bruce A. Roundy, J. Hall Cushman
Year Published:

Determining whether forest landscapes can maintain their resilience to fire–that is, their ability to rebound and sustain their current composition and structure–in the face of rapid climate change and increasing fire activity is a pressing…
Author(s): Monica G. Turner, Adena R. Rissman, Anthony L. Westerling, Rupert Seidl
Year Published:

Widespread fire activity taxes suppression resources and can compound wildfire hazards. We examine the geographic synchronicity of fire danger across western United States forests as a proxy for the strain on fire suppression resource availability.…
Author(s): John T. Abatzoglou, Caroline S. Juang, A. Park Williams, Crystal A. Kolden, Anthony L. Westerling
Year Published:

Fire behavior is well described by a fire’s direction, rate of spread, and its energy release rate. Fire intensity as defined by Byram (1959) is the most commonly used term describing fire behavior in the wildfire community. It is, however,…
Author(s): Gernot Ruecker, David Leimbach, Joachim Tiemann
Year Published:

Projected warming of global surface air temperatures will further exacerbate droughts, wildfires, and other agents of ecosystem stress. We use latewood blue intensity from high‐elevation Picea engelmannii to reconstruct late‐summer maximum air…
Author(s): Karen J. Heeter, Maegen L. Rochner, Grant Harley
Year Published:

Questions: Relative to a landscape with a mosaic of two sagebrush community types and increasing fire frequency, we asked: 1) Do vegetation characteristics vary significantly with number of times burned for each sagebrush community? 2) How do…
Author(s): Douglas J. Shinneman, Susan K. McIlroy, Marie-Anne de Graaff
Year Published:

Increased frequency and new types of disturbances caused by global change calls for deepened insights into possible alterations of successional pathways. Despite current interest in disturbance interactions there is a striking lack of studies…
Author(s): Lena Gustafsson, Victor Johansson, Alexandro B. Leverkus, Joachim Strengbom, Sofie Wikberg, Gustaf Granath
Year Published:

In response to large, severe wildfires across the western US, federal initiatives have been enacted to increase the pace, scale, and quality of ecological restoration in fire dependent forests. To address uncertainty and controversy in agreement…
Author(s): Kevin J. Barrett, Jeffery B. Cannon, Alex M. Schuetter, Anthony S. Cheng
Year Published:

As wildfires in the western United States continue to increase in size and number due to historical fire suppression and climate change, it is imperative for people living in fire-prone areas to “live with fire.” Fire suppression efforts are…
Author(s): Aaron M. Whittemore
Year Published: