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Ecosystem

Displaying 1101 - 1120 of 6011 results

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:

Recent extreme wildfire seasons in several regions have been associated with exceptionally hot, dry conditions, made more probable by climate change. Much research has focused on extreme fire weather and its drivers, but natural wildfire regimes –…
Author(s): Sandy P. Harrison, Iain Colin Prentice, Keith J. Bloomfield, Ning Dong, Matthias Forkel, Matthew Forrest, Ramesh K. Ningthoujam, Adam F. A. Pellegrini, Yicheng Shen, Mara Baudena, Anabelle W. Cardoso, Jessica C. Huss, Jaideep Joshi, I Oliveras, Juli G. Pausas, Kimberley J. Simpson
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:

This FEIS species review synthesizes information on the relationship of Rubus laciniatus (cutleaf blackberry) to fire--how fire affects the species and its habitat, invasiveness of the species, and fire management considerations. Information is also…
Author(s): Janet L. Fryer
Year Published:

The ecosystem response to fire is often linked to fire severity and recurrence, with potentially larges consequences on both above- and below-ground processes. Understanding the fire impact has become increasing important in the light of recent…
Author(s): Ana Barreiro, Montserrat Diaz-Raviña
Year Published:

Background:Every year thousands of wildland firefighters (WFFs) work to suppress wildfires to protect public safety, health, and property. Although much effort has been put toward mitigating air pollutant exposures for the public and WFFs, the…
Author(s): Erin O. Semmens, Cindy S. Leary, Molly West, Curtis W. Noonan, Kathleen M. Navarro, Joseph W. Domitrovich
Year Published:

After natural forest disturbances such as wildfires, windstorms and insect outbreaks, salvage logging is commonly applied to reduce economic losses and mitigate subsequent disturbance risk. However, this practice is controversial due to its…
Author(s): Alexandro B. Leverkus, Brian Buma, Joseph W. Wagenbrenner, Philip J. Burton, Emanuele Lingua, Raffaella Marzano, Simon Thorn
Year Published:

The Forest Vegetation Simulator (FVS) growth and yield model is widely used throughout the United States, but recent studies have reported unexpectedly large bias for some regional model variants. Here we propose a general framework for model…
Author(s): Benjamin A. Bagdon, Trung H. Nguyen, Anthony Vorster, Keith Paustian, John L. Field
Year Published:

Background: Fire strongly affects animals’ behavior, population dynamics, and environmental surroundings, which in turn are likely to affect their immune systems and exposure to pathogens. However, little work has yet been conducted on the effects…
Author(s): Gregory F. Albery, Isabella Turilli, Maxwell B. Joseph, Janet E. Foley, Celine H. Frere, Shweta Bansal
Year Published:

While western U.S. wildfires have increased in intensity and scale, their impacts on soil chemical composition and hydraulic processes have received little attention, despite increasing erosion, surface runoff and flooding. The relationships between…
Author(s): Vera Samburova, Rose Shillito, Markus Berli, Andrey Y. Khlystov, Hans Moosmuller
Year Published:

The 2020 fire season in the western United States (the West) has been staggering: over 2.5 million ha have burned as of 31 September, including over 1.5 million ha in California (3.7% of the state), in part from five of the six largest fires in…
Author(s): Philip E. Higuera, John T. Abatzoglou
Year Published:

Aerial Thermal Infrared (TIR) imagery has demonstrated tremendous potential to monitor active forest fires and acquire detailed information about fire behavior. However, aerial video is usually unstable and requires inter-frame registration before…
Author(s): M.M. Valero, Steven Verstockt, Christian Mata, Daniel M. Jimenez, Lloyd P. Queen, O. Rios, Elsa Pastor, Eulalia Planas
Year Published:

Wildland fires (WLF) have become more frequent, larger, and severe with greater impacts to society and ecosystems and dramatic increases in firefighting costs. Forests throughout the range of ponderosa pine in Oregon and Washington are jeopardized…
Author(s): Andrew G. Merschel, Peter A. Beedlow, David C. Shaw, David R. Woodruff, E.Henry Lee, Steven P. Cline, Randy L. Comeleo, R. Keala Hagmann, Matthew J. Reilly
Year Published:

There is demand for greater understanding concerning the impacts of forest management practices on water and sediment yield in the mountainous watersheds of the Pacific Northwest. Common forest operations such as harvesting and road construction can…
Author(s): Alex W. Kirkpatrick
Year Published:

As anthropogenic emissions continue to decline and emissions from landscape (wild, prescribed, and agricultural) fires increase across the coming century, the relative importance of landscape-fire smoke on air quality and health in the United States…
Author(s): Katelyn O'Dell, Kelsey Bilsback, Bonne Ford, Sheena E. Martenies, Sheryl Magzamen, Emily V. Fischer, Jeffrey R. Pierce
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: