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Displaying 1861 - 1880 of 5651

The extreme heat from wildfire alters soil properties and incinerates vegetation, leading to changes in infiltration capacity, ground cover, soil erodibility, and rainfall interception. These changes promote increases in runoff and sediment…
Author(s): Luke A. McGuire, Francis K. Rengers, Jason W. Kean, Dennis M. Staley, Hui Tang, Ann M. Youberg
Year Published:

Aim: Understanding fire effects on pollinators is critical in the context of fire regime changes and the global pollination crisis. Through a systematic and quantitative review of the literature, we provide the first global assessment of pollinator…
Author(s): Lucas M. Carbone, Julia Tavella, Juli G. Pausas, Ramiro Aguilar
Year Published:

Background: There is broad recognition that fire management in the United States must fundamentally change and depart from practices that have led to an over-emphasis on suppression and limited the presence of fire in forested ecosystems. In this…
Author(s): Courtney Schultz, Matthew P. Thompson, Sarah M. McCaffrey
Year Published:

There is an urgent need for next-generation smoke research and forecasting (SRF) systems to meet the challenges of the growing air quality, health and safety concerns associated with wildland fire emissions. This review paper presents simulations…
Author(s): Yongqiang Liu, Adam K. Kochanski, Kirk R. Baker, William E. Mell, Rodman Linn, Ronan Paugam, Jan Mandel, Aimé Fournier, Mary Ann Jenkins, Scott L. Goodrick, Gary Achtemeier, Fengjun Zhao, Roger D. Ottmar, Nancy H. F. French, Narasimhan K. Larkin, Timothy J. Brown, Andrew T. Hudak, Matthew B. Dickinson, Brian E. Potter, Craig B. Clements, Shawn P. Urbanski, Susan J. Prichard, Adam C. Watts, Derek McNamara
Year Published:

Downed coarse woody debris, also known as coarse woody detritus or downed dead wood, is challenging to estimate for many reasons, including irregular shapes, multiple stages of decay, and the difficulty of identifying species. In addition, some…
Author(s): John L. Campbell, Mark B. Green, Ruth D. Yanai, Christopher W. Woodall, Shawn Fraver, Mark E. Harmon, Mark A. Hatfield, Charles J. Barnett, Craig R. See, Grant M. Domke
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The principal motivation for this study is that sagebrush-steppe ecosystems are undergoing significant state changes, and land managers are challenged with optimizing their resources for both short- and long-term use. Yet, limited knowledge is…
Author(s): Nancy F. Glenn, Alejandro N. Flores, Douglas J. Shinneman, David S. Pilliod
Year Published:

Woody‐plant encroachment represents a global threat to grasslands. Although the causes and consequences of this regime shift have received substantial attention, the processes that constrain reassembly of the grassland state remain poorly understood…
Author(s): Charles B. Halpern, Joseph A. Antos, Shan Kothari, Annette M. Olson
Year Published:

Economic decision-making in wildfire defense and fire management programs is not easy when performed under efficiency criteria. The determination of variables to be considered and the lack of data analyzed in relation to the results achieved by the…
Author(s): Francisco Rodriguez y Silva
Year Published:

In the last decades, land-use changes have made Mediterranean forests highly susceptible to wildfires, which can cause several impacts not only on burnt areas, but also on adjacent aquatic ecosystems. Post-fire runoff from burnt areas may transport…
Author(s): Francisco Carvalho, Arunava Pradhan, Nelson Abrantes, Isabel Campos, Jan J. Keizer, Fernanda Cássio, Cláudia Pascoal
Year Published:

The landscape is an ideal spatial extent for managing forests because many ecological processes and disturbances occur on such scales. Moreover, landscape-level decision-making processes can improve the efficiency of forest management, as when many…
Author(s): A. Paige Fischer, Andrew Klooster, Lora Cirhigiri
Year Published:

Seasonal-mean concentrations of particulate matter with diameters smaller than 2.5 μm (PM2.5) have been decreasing across the United States (US) for several decades, with large reductions in spring and summer in the eastern US. In contrast,…
Author(s): Katelyn O'Dell, Bonne Ford, Emily V. Fischer, Jeffrey R. Pierce
Year Published:

In the western United States, fire has become a significant concern in the management of big sagebrush (Artemisia tridentata Nutt.) ecosystems. This is due to large‐scale increases in cover of the fire‐prone invasive annual cheatgrass (Bromus…
Author(s): Corinna Riginos, Thomas A. Monaco, Kari E. Veblen, Kevin L. Gunnell, Eric Thacker, David K. Dahlgren, Terry A. Messmer
Year Published:

Whitebark pine (Pinus albicaulis) forests have been declining throughout their range in Western North America from the combined effects of mountain pine beetle (Dendroctonus ponderosae) outbreaks, fire exclusion policies, and the exotic disease…
Year Published:

The quantity and condition of downed dead wood (DDW) is emerging as a major factor governing forest ecosystem processes such as carbon cycling, fire behavior, and tree regeneration. Despite this, systematic inventories of DDW are sparse if not…
Author(s): Christopher W. Woodall, Vicente J. Monleon, Shawn Fraver, Matthew B. Russell, Mark H. Hatfield, John L. Campbell, Grant M. Domke
Year Published:

In the paper by T. K. Refsland and J. M. Fraterrigo (“Both canopy and understory traits act as response‐effect traits in fire‐managed forests,” Ecosphere 8(12):e02036), the images for Figs. 2 and 3 appear exchanged. The figures and their legends…
Author(s): Tyler Refsland, Jennifer Fraterrigo
Year Published:

Wildfires are known to change post-fire watershed conditions such that hillslopes can become prone to increased erosion and sediment delivery. In this work, we coupled wildfire spread and erosion prediction modelling to assess the benefits of fuel…
Author(s): Michele Salis, Liliana Del Giudice, Peter R. Robichaud, Alan A. Ager, Annalisa Canu, Pierpaolo Duce, Grazia Pellizzaro, Andrea Ventura, Fermin Alcasena-Urdiroz, Donatella Spano, Bachisio Arca
Year Published:

Dry mixed-conifer forests are widespread in the interior Pacific Northwest, but their historical fire regimes are poorly characterized, in particular the relative mix of low- and high-severity fire. We reconstructed a multi-century history of fire…
Author(s): Emily K. Heyerdahl, Rachel A. Loehman, Donald A. Falk
Year Published:

Across the world, millions of hectares of forest are burned by wildfires each year. Satellite remote sensing, particularly when used in time series, can describe complex disturbance‐recovery processes, but is underutilized by ecologists. This study…
Author(s): Samuel Hislop, Simon D. Jones, Mariela Soto-Berelov, Andrew K. Skidmore, Andrew Haywood, Trung H. Nguyen
Year Published:

Whitebark pine (Pinus albicaulis. Engelm.) is vulnerable to a number of threats including an introduced pathogen (Cronartium ribicola J.C. Fisch.), epidemic levels of native mountain pine beetle (Dendroctonus ponderosae Hopkins), fire suppression,…
Author(s): Jenell I. Jackson, Sean B. Smith, Jonathan C. B. Nesmith, Leigh Ann Starcevich, Jennifer S. Hooke, Steve Buckley, Erik S. Jules
Year Published:

The Inventory & Monitoring Division of the U.S. National Park Service conducts long-term monitoring to provide park managers information on the status and trends in biological and environmental attributes including white pines. White pines are…
Author(s): Jonathan C. B. Nesmith, Micah Wright, Erik S. Jules, Shawn T. McKinney
Year Published: