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Ecosystem

Displaying 1381 - 1400 of 6051 results

Wildfires are ecosystem‐level drivers of structure and function in many vegetated biomes. While numerous studies have emphasized the benefits of fire to ecosystems, large wildfires have also been associated with the loss of ecosystem services and…
Author(s): Victoria M. Donovan, Dirac Twidwell, Daniel R. Uden, Tsegaye Tadesse, Brian D. Wardlow, Christine H. Bielski, Matthew O. Jones, Brady W. Allred, David E. Naugle, Craig R. Allen
Year Published:

Daily Fire Weather Index (FWI) System components calculated from the NASA Modern-Era Retrospective analysis for Research and Applications, Version 2 (MERRA-2), are compared to FWI calculations from a global network of weather stations over 2004–2018…
Author(s): Robert Field
Year Published:

Wilderness areas offer value to society as a source of scientific information. We used fire perimeter records from the upper South Fork Flathead River watershed (Montana) to characterize the area burned one or more times during three periods: the…
Author(s): Andrew J. Larson, Julia Berkey, Colin T. Maher, Wyatt Trull, R. Travis Belote, Carol Miller
Year Published:

Highlights: • LiDAR technology is a municipality tool to map forest continuity in a wildland–urban interface. • Mapping forest continuity of urban parcels permits prioritisation of intervention efforts to prevent forest fires. • Moran's I permits…
Author(s): Anna Badia, Meritxell Gisbert
Year Published:

The statistical analysis of wildland fire activity is integral to wildland fire planning, operations, and research across the globe. Historical fire records are inputs to fire danger rating applications, fire-potential forecast models, geospatial…
Author(s): Karen C. Short, Marty Ahrens, Sarah Harris, Jesus San-Miguel-Ayanz
Year Published:

Context: Fire in forested wildland urban interface (WUI) landscapes is increasing throughout the western United States. Spatial patterns of fuels treatments affect fire behavior, but it is unclear how fire risk and fuel treatment effectiveness will…
Author(s): Kristin H. Braziunas, Rupert Seidl, Werner Rammer, Monica G. Turner
Year Published:

The Lion Fire 2011 (LF11) and Lion Fire 2017 (LF17) were similar in size, location, and smoke transport. The same locations were used to monitor both fires for ground level fine particulate matter (PM2.5). Ground level PM2.5 is used to determine the…
Author(s): Don Schweizer, Ricardo Cisneros, Kathleen M. Navarro
Year Published:

Assessing wildfire regimes and their environmental drivers is critical for effective land management and conservation. We used Landsat imagery to describe the wildfire regime of the north-eastern Simpson Desert (Australia) between 1972 and 2014, and…
Author(s): Elise M. Verhoeven, Brad R. Murray, Christopher R. Dickman, Glenda M. Wardle, Aaron C. Greenville
Year Published:

This review summarizes information that was available in the scientific literature as of 2020 on the biology, ecology, and effects of fire on diffuse knapweed in North America. Diffuse knapweed is not native in North America and is invasive in…
Author(s): Kristin L. Zouhar, Robin J. Innes
Year Published:

Despite evident advances in knowledge and understanding concerning the application of prescribed burning for delivering benefits in wildfire control and a variety of sociocultural, economic and environmental outcomes, the practical application of…
Author(s): Jeremy Russell-Smith, Lachlan McCaw, Adam J. Leavesley
Year Published:

Burning firebrands generated by wildland or prescribed fires may lead to the initiation of spot fires and fire escapes. At the present time, there are no methods that provide information on the thermal characteristics and number of such firebrands…
Author(s): Sergey Prohanov, Alexander I. Filkov, Denis P. Kasymov, Mikhail Agafontsev, Vladimir V. Reyno
Year Published:

High-severity wildfires, which can homogenize floral communities, are becoming more common relative to historic mixed-severity fire regimes in the Northern Rockies of the U.S. High-severity wildfire could negatively affect bumble bees, which are…
Author(s): Michael P. Simanonok, Laura A. Burkle
Year Published:

The impact of wildfires and of restoration actions on soil organic matter (SOM) content and structure was studied in a soil under pine (Pinus pinea) from Doñana National Park (SW Spain). Samples were collected from burnt areas before (B) and after…
Author(s): Nicasio T. Jiménez-Morillo, Gonzalo Almendros, José M. de la Rosa, Antonio Jordán, Lorena M. Zavala, Arturo J. P. Granged, José A. González-Pérez
Year Published:

Smoke exposure from bushfires, such as those experienced in Australia during 2019-2020, can reach levels up to 10 times those deemed hazardous. Short‐term and extended exposure to high levels of air pollution can be associated with adverse health…
Author(s): Clare M. Walter, Elena K. Schneider-Futschik, Luke D. Knibbs, Louis B. Irving
Year Published:

Increasing temperatures and irregular precipitation associated with climate change, along with increasing frequency and severity of wildfires, contribute to increased downstream transport of sediment and total organic carbon (TOC), with potential…
Author(s): Danielle Loiselle, Xinzhong Du, Daniel S. Alessi, Kevin D. Bladon, Monireh Faramarzi
Year Published:

Complex, reciprocal interactions among climate, disturbance, and vegetation dramatically alter spatial landscape patterns and influence ecosystem dynamics. As climate and disturbance regimes shift, historical analogs and past empirical studies may…
Author(s): Rachel A. Loehman, Robert E. Keane, Lisa M. Holsinger
Year Published:

Climate-driven increases in disturbance frequency and extent augment the potential for compounded disturbances. Drawing on well-studied forests that experienced successive disturbances, we asked: (1) how does post-fire cover of litter, herbaceous…
Author(s): Nathan S. Gill, Daniel Jarvis, John Rogan, Dominik Kulakowski
Year Published:

“Coproduction” as a transformative model for fire science application is receiving increasing attention as wildland fire managers face increasingly complex contexts for prescribed fire applications and wildfire suppression (Hiers 2017). Among…
Author(s): J. Morgan Varner, J. Kevin Hiers
Year Published:

Understanding the soil heat and moisture transport is significant for assessing the living condition of vegetation and microorganisms in soils. Numerous studies have been conducted to understand the coupled soil heat and moisture transport under '…
Author(s): Ting Bao, Si Liu, Yinghong Qin, Zhen Liu
Year Published:

Recent data show that fire concentration is becoming rather predominant in Southern European areas. Specifically, 2017–2018 were some of the worst years on record for fires in Europe. We conduct a survey among households in order to understand…
Author(s): Maria Alló, Maria L. Loureiro
Year Published: