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Ecosystem

Displaying 841 - 860 of 5894 results

The destruction of forest cover by wildfires has important consequences on the stability of forest ecosystems. It is well recognized that forests play a key role in regulating the hydrological cycle by modifying rainfall interception and…
Author(s): Paolo Porto, Giovanni Callegari
Year Published:

Wildland fires can emit substantial amounts of air pollution that may pose a risk to those in proximity (e.g., first responders, nearby residents) as well as downwind populations. Quickly deploying air pollution measurement capabilities in response…
Author(s): Matthew S. Landis, Russell W. Long, Jonathan Krug, Maribel Colón, Robert Vanderpool, Andrew Habel, Shawn P. Urbanski
Year Published:

Pyrodiversity – spatiotemporal variation of characteristics within a fire regime – plays an important role in structuring wildlife communities after fire, yet there is a need to better incorporate pyrodiversity into predictive models of animal…
Author(s): Morgan W. Tingley, Andrew N. Stillman, Rodney B. Siegel, Sarah C. Sawyer
Year Published:

Treed peatlands exhibit both crown and smouldering fire potential; however, neither are included in Canadian wildfire management models and, as such, they are not formally represented in management decision-making. The lack of smouldering fire risk…
Author(s): Sophie L. Wilkinson, A. K. Furukawa, B. Mike Wotton, James M. Waddington
Year Published:

The impacts of wildfires on the health of children are becoming a more urgent matter as wildfires become more frequent, intense and affecting, not only forested areas, but also urban locations. It is important that medical professionals be prepared…
Author(s): Deborah L. McBride
Year Published:

Perennial grasses are often seeded after disturbances to provide ecosystem services and prevent invasive plant dominance. However, there is widespread disagreement over the use of native compared to introduced grasses. In Wyoming big sagebrush (…
Author(s): Kirk W. Davies, Chad S. Boyd
Year Published:

Lightning-caused fires (LCFs) and fire environments influenced by thunderstorms are increasingly implicated in extreme wildfire events around the world, with devastating consequences to society and the environment. However, the disaster potential…
Author(s): Paulo A. Martins Fernandes, João A. Santos, Fernando Castedo-Dorado, Rui Almeida
Year Published:

Heat accumulation from wearing personal protective equipment can result in the development of heat-related illnesses. This study aimed to investigate factors of heat stress with and without a US standard issue wildland firefighter helmet. Ten male…
Author(s): Shae Gurney, Katherine Christison, Tyler Stenersen, Charles L. Dumke
Year Published:

Insect pollinators, especially bees, are an essential component ecosystem function. Native bees provide key ecosystem services and shape the structure and composition of plant communities. However, recent research suggests a large-scale decline in…
Author(s): Ryleigh V. Gelles, Thomas S. Davis, Camille Stevens-Rumann, Kevin J. Barrett
Year Published:

Fine particulate matter, PM2.5, has been documented to have adverse health effects, and wildland fires are a major contributor to PM2.5 air pollution in the USA. Forecasters use numerical models to predict PM2.5 concentrations to warn the public of…
Author(s): Suman Majumder, Yawen Guan, Brian J. Reich, Susan M. O'Neill, Ana G. Rappold
Year Published:

Wildfires in sagebrush (Artemisia spp.)-dominated semi-arid ecosystems in the western United States have increased dramatically in frequency and severity in the last few decades. Severe wildfires often lead to the loss of native sagebrush…
Author(s): Karun Pandit, Hamid Dashti, Andrew T. Hudak, Nancy F. Glenn, Alejandro N. Flores, Douglas J. Shinneman
Year Published:

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: