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Ecosystem

Displaying 241 - 260 of 6066 results

Wildland firefighting is physically and mentally demanding. The aerobic capacity of firefighters is important due to the demands of the activity and the associated occupational risks. The main objectives of this study were to identify and…
Author(s): Tatiana Teixeira, Pedro Pratas, Joana Santos, Pedro R. Monteiro, João Santos Baptista, Mário A. P. Vaz, Joana C. Guedes
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Background Firefighter safety is a top priority in wildland fire response and management. Existing explanations emphasise how land management agency initiatives to change organisational culture, usually inspired by fatality incidents, contribute to…
Author(s): Alissa Cordner
Year Published:

Wildfire risk has been exacerbated across Europe by climate change favoring more damaging and severe wildfire events. This evolving wildfire risk context interacts with a broad landscape of EU policies including those on nature conservation,…
Author(s): Eduard Plana Bach, Marta Serra, Annick Smeenk, Adrián Regos, Claudia Berchtold, Maria Huertas, Lola Fuentes, Antoni Trasobares, Julie Nicole Vinders, Conceição Colaço, José Antonio Bonet
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As the risk of forest fires increases around the globe, the issues of how to control, suppress, and prevent them are the subjects of growing public and political attention. This study focuses on the political debate in Germany regarding forest fires…
Author(s): Nikola Tietze, Lars Gerhold, Pierre L. Ibisch
Year Published:

Background Prescribed fire is vital for fuel reduction and ecological restoration, but the effectiveness and fine-scale interactions are poorly understood. Aims We developed methods for processing uncrewed aircraft systems (UAS) imagery into…
Author(s): Leo O'Neill, Peter Z. Fule, Adam C. Watts, Christopher J. Moran, Bryce Hopkins, Eric Rowell, Andrea E. Thode, Fatemeh Afghah
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This fire regime synthesis details characteristics of ponderosa pine ecosystems from fire history studies conducted in two ecoregions in New Mexico: the Southern Rockies ecoregion (hereafter, Southern Rocky Mountains) and the Arizona/New Mexico…
Author(s): Shawn T. McKinney
Year Published:

Forest fires represent a significant intersection between nature and society, often leading to the loss of natural resources, soil nutrients, and economic opportunities, as well as causing desertification and the displacement of communities.…
Author(s): Casandra Muñoz-Gómez, Jesus Rodrigo-Comino
Year Published:

Fungi play key roles in the fire-fuel feedbacks that structure ~40% of the Earth's terrestrial ecosystems, yet a general understanding of fungal responses to fire is lacking. While fire and associated stressor effects on fungi vary based on fire…
Author(s): Jacob R. Hopkins, Alison E. Bennett
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The smoldering of pine needle fuel beds (PNBs) has been a common subject of research because of its importance in initiating the rekindling of forest floor fires. Experimental studies of the coupling effects of the bulk density and external heat…
Author(s): Jiuling Yang, Jiepei Xu, Haoliang Wang
Year Published:

Since Euro-American settlement and associated fire exclusion, grasslands and open forests have converted to forests throughout the United States. Contributing to the weight of evidence, we determined if forestation also occurred in forests and…
Author(s): Brice B. Hanberry, Jacob M. Seidel, Phillip DeLeon
Year Published:

Forest fuels are the core element of fire management; each fuel component plays an important role in fire behavior. Therefore, accurate determination of their characteristics and spatial distribution is crucial. This paper introduces a novel method…
Author(s): Álvaro Agustín Chávez-Durán, Miguel Olvera-Vargas, Inmaculada Aguado, Blanca Lorena Figueroa-Rangel, Ramón Trucíos-Caciano, Ernesto Alonso Rubio-Camacho, Jaqueline Xelhuantzi-Carmona, Mariano Garcia
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Wildfire is a disturbance expected to increase in frequency and severity, changes that may impact carbon (C) dynamics in the soil ecosystem. Fire changes the types of C sources available to soil microbes, increasing pyrogenic C and coarse downed…
Author(s): Regina O'Kelley, Abigail Evered, Hayley Peter-Contesse, Jennifer Moore, Kate Lajtha
Year Published:

Disturbance seasonality and return interval can create complex interactions of direct and indirect effects on species and ecosystems. Fire is a key grassland disturbance, yet long-term research examining seasonality and return intervals is limited.…
Author(s): Lance T. Vermeire, Kurt O. Reinhart, Jacqueline P. Ott
Year Published:

Pinus albicaulis (whitebark pine) is a keystone species, providing food and habitat to wildlife, in high-elevation ecological communities. In recent years, this important species has been negatively impacted by changes in fire regimes, increased…
Author(s): Jordin Hartley, Jennifer Watt, Andrea R. Brunelle
Year Published:

For millennia, wildfire has helped shape the sagebrush biome of the western United States. Over recent decades, historical fire regimes have been altered by several factors, including contemporary climate and fuel conditions, leading to the loss or…
Author(s): Michele R. Crist, Karen C. Short, Todd Cross, Kevin E. Doherty, Julia Olszewski
Year Published:

Extreme spread events (ESEs), often characterized by high intensity and rapid rates of spread, can overwhelm fire suppression and emergency response capacity, threaten responder and public safety, damage landscapes and communities, and result in…
Author(s): Matthew P. Thompson, Dung Tuan Nguyen, Christopher J. Moran, Joe Scott, Yu Wei, Bryce Young
Year Published:

Background: Changes to fire regimes threaten biodiversity worldwide and emphasize the need to understand the ecological consequences of fire management. For fire management to effectively protect biodiversity, it is essential to have…
Author(s): Angie Haslem, James Q. Radford, Andrew F. Bennett, Simon J. Watson, Matthew P. Chick, Jenny Huang, Laurence E. Berry, Michael F. Clarke
Year Published:

Fire exclusion is a key factor driving conifer expansion into temperate semi-arid grasslands. However, it remains unclear how reintroducing fire affects the aboveground storage of carbon (C) and nitrogen (N) in the expanding tree species and below-…
Author(s): Justin D. Gay, Bryce Currey, Kimberly T. Davis, E.N. Jack Brookshire
Year Published:

For millennia, wildfire has helped shape the sagebrush biome of the western United States. Over recent decades, historical fire regimes have been altered by several factors, including contemporary climate and fuel conditions, leading to the loss or…
Author(s): Michele R. Crist, Karen C. Short, Todd Cross, Kevin E. Doherty, Julia Olszewski
Year Published:

Wildfires, and the sediment-rich floods that commonly follow, increasingly threaten riverine ecosystems and water infrastructure. Suspended sediment exported throughout fire–flood sequences poses particular risks due to rapid transit times and…
Author(s): Sandra E. Ryan, Charles M. Shobe, Sara Rathburn, Mark K. Dixon
Year Published: