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Ecosystem

Displaying 1041 - 1060 of 5953 results

Fire is one of the main causes of environmental and ecosystem change. Geospatial data, derived from satellite images and surveying observations, are a useful tool in managing land use and land cover changes. In this paper, we present a multi-…
Author(s): Narissara Nuthammachot, Dimitris Stratoulias
Year Published:

Data-driven decision making is the key to providing effective and efficient wildfire protection and sustainable use of natural resources. Due to the complexity of natural systems, management decision(s) require clear justification based on…
Author(s): John S. Hogland, Christopher J. Dunn, James D. Johnston
Year Published:

Firefighters’ safety during fire responses depends on sound policies and procedures that ensure they can do their jobs efficiently and effectively. Decisions on vehicle crew size and total effective response force deployment should be based on the…
Author(s): Lori Moore-Merrell, Steve Kerber, Gavin P. Horn, Denise L. Smith
Year Published:

Prescribed fire is an essential management tool for restoring and maintaining the resilience of fire-dependent ecosystems. Past studies indicated that the current policy environment significantly constrained decision-making around prescribed fire (…
Author(s): Courtney Schultz, Cassandra Moseley, Adell L. Amos, Christopher Bone, Sarah M. McCaffrey
Year Published:

Suppression of historic fire regimes in North America has altered successional stages and shifted vegetation communities, negatively impacting wildlife diversity in forests. Prescribed fire is often used to increase habitat for wildlife populations…
Author(s): Dana J. Morin, Laurel Schablein, Nikole Simmons, Jean Lorber, Marek K. Smith
Year Published:

In recent years, wildland fires have occurred more frequently and with increased intensity in many fire-prone areas. In addition to the direct life and economic losses attributable to wildfires, the emitted smoke is a major contributor to ambient…
Author(s): Hao Chen, James M. Samet, Philip A. Bromberg, Haiyan Tong
Year Published:

Radiological release incidents can potentially contaminate widespread areas with radioactive materials and decontamination efforts are typically focused on populated areas, which means radionuclides may be left in forested areas for long periods of…
Author(s): Kirk R. Baker, Sang Don Lee, Paul Lemieux, Scott Hudson, Benjamin N. Murphy, Jesse O. Bash, Shannon N. Koplitz, Thien Khoi V Nguyen, Wei Min Hao, Stephen P. Baker, Emily Lincoln
Year Published:

Global wildfire activity has experienced a dramatic surge since 2017. From Chile to Indonesia, unprecedented fire behavior has occurred in many areas worldwide including, but not limited to, Portugal, Siberia, Australia, the Amazon and Orinoco…
Author(s): Víctor Resco de Dios, Rachael H. Nolan
Year Published:

Various classifications of fuel accumulation models are used to describe the complex temporal relationship between fuel loads and vegetation dynamics. Fuel accumulation models are an important tool in wildfire management as fuel is the only…
Author(s): Hilyati H. Zazali, Isaac N. Towers, J. Sharples
Year Published:

The ecosystem services provided by forests are under threat as wildfire frequency and severity increase throughout the western US. Severe wildfire can change physical environments and biogeochemical processes in watersheds with lasting effects on…
Author(s): Allison E. Rhea, Tim Covino, Charles C. Rhoades
Year Published:

PM2.5 is the most monitored air pollutant for which EPA has set national ambient air quality standards (NAAQS). As such, it is the pollutant on which the Air Quality Index (AQI) is most often based. PM2.5 and PM10 are the only criteria pollutant…
Author(s): Odelle Hadley, Anthony Cutler, Ruth Schumaker, Robin Bond
Year Published:

The evaluation of the effect of burn severity on forest soils is essential to determine the impact of wildfires on a range of key ecological processes, such as nutrient cycling and vegetation recovery. The main objective of this study was to assess…
Author(s): David Beltrán-Marcos, Susana Suárez-Seoane, José Manuel Fernández-Guisuraga, Víctor Fernández-García, Rayo Pinto, Paula García-Llamas, Leonor Calvo
Year Published:

Forests rely on processes like seed dispersal from seed sources (live trees containing mature cones) to jumpstart post-fire tree regeneration. Consequently, managers often estimate the potential for seed dispersal when anticipating whether a burn…
Author(s): Jamie L. Peeler
Year Published:

Humans have both intentional and unintentional impacts on their environment, yet identifying the enduring ecological legacies of past small-scale societies remains difficult, and as such, evidence is sparse. The present study found evidence of an…
Author(s): Bruce M. Pavlik, Lisbeth A. Louderback, Kenneth B. Vernon, Peter M. Yaworsky, Cynthia Wilson, Arnold Clifford, Brian F. Codding
Year Published:

Wildland firefighters are repeatedly exposed to elevated levels of wildland fire smoke (WFS) while protecting lives and properties from wildland fires. Studies reporting personal exposure concentrations of air pollutants in WFS during fire…
Author(s): Chieh-Ming Wu, Chi Song, Ryan Chartier, Jacob Kremer, Luke P. Naeher, Olorunfemi Adetona
Year Published:

Fire severity is a key driver shaping the ecological structure and function of North American boreal ecosystems, a biome dominated by large, high-intensity wildfires. Satellite-derived burn severity maps have been an important tool in these remote…
Author(s): Lisa M. Holsinger, Sean A. Parks, Lisa B. Saperstein, Rachel A. Loehman, Ellen Whitman, Jennifer L. Barnes, Marc-Andre Parisien
Year Published:

The dead foliage of scorched crowns is one of the most conspicuous signatures of wildland fires. Globally, crown scorch from fires in savannas, woodlands, and forests causes tree stress and death across diverse taxa. The term crown scorch, however,…
Author(s): J. Morgan Varner, Sharon M. Hood, Doug P. Aubrey, Kara M. Yedinak, J. Kevin Hiers, William Matt Jolly, Timothy M. Shearman, Jennifer K. McDaniel, Joseph J. O'Brien, Eric Rowell
Year Published:

US fire scientists are developing Potential Wildfire Operational Delineations, also known as ‘PODs’, as a pre-fire season planning tool to promote safe and effective wildland fire response, strengthen risk management approaches in fire management…
Author(s): S. Michelle Greiner, Courtney Schultz, Chad Kooistra
Year Published:

Background: Bats are important components of forested ecosystems and are found in forests worldwide. Consequently, they often interact with fire. Previous reviews of the effects of fire on bats have focused on prescribed fire effects, in part due to…
Author(s): Susan C. Loeb, Rachel V. Blakey
Year Published:

The acute stress response is a cornerstone of animal behavior research, but little is currently understood about how responses to acute stressors (i.e. discrete noxious stimuli) may be altered in future climates. As climate change ensues, animals…
Author(s): Camdon B. Kay, David J. Delehanty, Devaleena S. Pradhan, Joshua B. Grinath
Year Published: