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Ecosystem

Displaying 621 - 640 of 6051 results

The structure and fire regime of pre-industrial (historical) dry forests over ~26 million ha of the western USA is of growing importance because wildfires are increasing and spilling over into communities. Management is guided by current conditions…
Author(s): William L. Baker, Chad T. Hanson, Mark A. Williams, Dominick A. DellaSala
Year Published:

Wildfires change the hydrologic and geomorphic response of watersheds, which has been associated with cascades of additional hazards and management challenges. Among these post-wildfire events are shallow landslides and debris flows. This study…
Author(s): Elsa S. Culler, Ben Livneh, Balaji Rajagopalan, Kristy F. Tiampo
Year Published:

Achieving sustainable coexistence with wildfires in the Anthropocene requires skilful integrated fire observations, fire behaviour predictions, forecasts of fire risk, and projections of change to fire climates. The diverse and multiscale approaches…
Author(s): David M. J. S. Bowman
Year Published:

Over the past couple of decades, the number of wildfires and area of land burned around the world has been steadily increasing, partly due to climatic changes and global warming. Therefore, there is a high probability that more people will be…
Author(s): Andreas Kamilaris, Jean-Baptiste Filippi, Chirag Padubidri, Ruben Koole, Savvas Karatsiolis
Year Published:

Wildfires are increasing in frequency and intensity in part because of changing climate conditions and decades of fire suppression. Though fire is a natural ecological process in many forest ecosystems, extreme wildfires now pose a growing threat to…
Author(s): The Nature Conservancy, The Aspen Institute
Year Published:

Remote sensing is widely used to detect forest disturbances (e.g., wildfires, harvest, or outbreaks of pathogens or insects) over spatiotemporal scales that are infeasible to capture with field surveys. To understand forest ecosystem dynamics and…
Author(s): Amanda T. Stahl, Robert A. Andrus, Jeffrey A. Hicke, Andrew T. Hudak, Benjamin C. Bright, Arjan J. H. Meddens
Year Published:

Soils play an essential role in supporting and sustaining life on this planet. In fire-impacted environments, fire causes considerable changes to the soil, especially in the various elements. The present work provides a comprehensive and up-to-date…
Author(s): Ajmal Roshan, Ashis Biswas
Year Published:

Increasing wildfire activity, decreasing workforce capacity, and growing systemic strain may result in an interagency wildfire-response system less capable of protecting landscapes and communities. Further, increased workloads will likely increase…
Author(s): Matthew P. Thompson, Erin J. Belval, Jude Bayham, David E. Calkin, Crystal S. Stonesifer, David Flores
Year Published:

Numerous hectares of land are destroyed by wildfires every year, causing harm to the environment, the economy, and the ecology. More than fifty million acres have burned in several states as a result of recent forest fires in the Western United…
Author(s): Doaa Rjoub, Ahmad Alsharoa, Ala’eddin Masadeh
Year Published:

Anticipating consequences of disturbance interactions on ecosystem structure and function is a critical management priority as disturbance activity increases with warming climate. Across the Northern Hemisphere, extensive tree mortality from recent…
Author(s): Jenna E. Morris, Michele S. Buonanduci, Michelle Agne, Michael A. Battaglia, Daniel C. Donato, Brian J. Harvey
Year Published:

Increasing global temperatures and variability in the timing, quantity, and intensity of precipitation and wind have led to longer fire season lengths, greater fuel availability, and more intense and severe wildfires [1]. These broad-scale shifts…
Author(s): Wade T. Tinkham, Lauren E. Lad, Alistair M. S. Smith
Year Published:

This paper describes a dataset mined from the public archive (1999-2020) of the US National Incident Management System Incident Status Summary (ICS-209) forms (a total of 187,160 reports for 35,170 incidents, including 34,478 wildland fires). This…
Author(s): Lise A. St. Denis, Karen C. Short, Kathryn McConnell, Maxwell C. Cook, Nathan Mietkiewicz, Mollie Buckland, Jennifer Balch
Year Published:

Fire seasons have become increasingly variable and extreme due to changing climatological, ecological, and social conditions. Earth observation data are critical for monitoring fires and their impacts. Herein, we present a whole-system framework for…
Author(s): Morgan A. Crowley, Christopher A. Stockdale, Joshua M. Johnston, Michael A. Wulder, Tianjia Liu, Jessica L. McCarty, Jesse T. Rieb, Jeffrey A. Cardille, Joanne C. White
Year Published:

A key uncertainty of empirical models of post-fire tree mortality is understanding the drivers of elevated post-fire mortality several years following fire, known as delayed mortality. Delayed mortality can represent a substantial fraction of…
Author(s): Timothy M. Shearman, J. Morgan Varner, Sharon M. Hood, Phillip J. van Mantgem, C. Alina Cansler, Micah Wright
Year Published:

Wildfires in the western United States are concerning in part because conifer forests may not regenerate under increasingly warm, dry climate conditions and severe burning. This study compared the relative importance of differences in fire-caused…
Author(s): Kimberly T. Davis
Year Published:

Wildfires are common occurrences worldwide that can destroy vast forest areas and kill numerous animals in a few hours. Climate change, rising global temperatures, precipitation, the introduction of exotic species of plants (e.g., eucalyptus),…
Author(s): Andreia Garcês, Isabel Pires
Year Published:

Quaking aspen (Populus tremuloides Michx.) has high conservation value on the southwestern edge of its range, which extends from the southwestern United States (i.e., Arizona, New Mexico, and Texas) to central Mexico. This value is driven by aspen’s…
Author(s): Connor D. Crouch, Paul C. Rogers, Margaret M. Moore, Kristen M. Waring
Year Published:

Quaking aspen (Populus tremuloides Michx.) stands have historically been referred to as “firebreak” forest types that can reduce fire activity, but high-intensity and high-severity fires have been observed to burn through aspen stands. Clearly, fire…
Author(s): Kristin A. Nesbit, Larissa L. Yocom, Allison M. Trudgeon, R. Justin DeRose, Paul C. Rogers
Year Published:

Invasive annual grasses are a growing global concern because they facilitate larger and more frequent fires in historically fuel-limited ecosystems. Forests of the western United States have remained relatively resistant to invasion by annual…
Author(s): Claire Tortorelli, John B. Kim, Nicole M. Vaillant, Karen L. Riley, Alex W. Dye, Ty Nietupski, Kevin C. Vogler, Rebecca Lemons, Michelle A. Day, Meg A. Krawchuk, Becky K. Kerns
Year Published:

Salvage logging is a controversial tool for post-wildfire management that removes fire-killed trees. We use a generalized randomized experimental design to fulfill two main objectives: (1) quantify the immediate (1-year post-harvest) effects of…
Author(s): Morris C. Johnson, Maureen C. Kennedy, Sarah C. Harrison, Ernesto Alvarado, Cody Desautel, Joseph Holford, Shay Logue
Year Published: