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Ecosystem

Displaying 221 - 240 of 6037 results

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
Year Published:

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:

Wildland fuel characterization is foundational to fire behavior, consumption, and smoke modeling with cascading impacts to post-fire vegetation dynamics, carbon, smoke production, and air quality. All fire behavior and effects models require inputs…
Author(s): Susan J. Prichard, Michelle Bester, Michael R. Gallagher, Andrew T. Hudak, Maureen C. Kennedy, Russell A. Parsons, Nuria Sánchez-López, Nick Skowronski
Year Published:

Forest fires are increasingly destructive, contributing to significant ecological damage, carbon emissions, and economic losses. Monitoring these fires promptly and accurately, particularly by delineating fire perimeters, is critical for mitigating…
Author(s): Hatef Dastour, Hanif Bhuian, M. Razu Ahmed, Quazi K. Hassan
Year Published:

Lightning is responsible for the most area annually burned by wildfires in the extratropical region of the Northern Hemisphere. Hence, predicting the occurrence of wildfires requires reliable forecasting of the chance of cloud-to-ground lightning…
Author(s): Ned Nikolov, Phillip Bothwell, John Snook
Year Published:

Climate change intensifies fire smoke, emitting hazardous air pollutants that impact human health. However, the global influence of climate change on fire-induced health impacts remains unquantified. Here we used three well-tested fire–vegetation…
Author(s): Chae Yeon Park, Kiyoshi Takahashi, Shinichiro Fujimori, Thanapat Jansakoo, Chantelle Burton, Huilin Huang, Sian Kou-Giesbrecht, Christopher P. O. Reyer, Matthias Mengel, Eleanor Burke, Fang Li, Stijn Hantson, Junya Takakura, Dong Kun Lee, Tomoko Hasegawa
Year Published:

Wildfires pose significant environmental and societal threats, necessitating improved early detection methods. This study investigates the effectiveness of integrating real-time object detection deep learning models (YOLOv8 and RT-DETR) with…
Author(s): Ganghyun Park, Yangwon Lee
Year Published:

There is a need to convert fire danger indices into operational estimates of fire activity to support strategic fire management, particularly under climate change. Few studies have evaluated multiple accumulation times for indices that combine both…
Author(s): Daniel J. Vega-Nieva, Jaime Briseno-Reyes, Pablito-Marcelo Lopez-Serrano, Jose Javier Corral-Rivas, Marín Pompa-García, María Isabel Cruz-Lopez, Martin Cuahutle, Rainer Ressl, Ernesto Alvarado-Celestino, Robert E. Burgan
Year Published:

Satellite data are effective for mapping wildfires, particularly in remote locations where monitoring is rare. Geolocated fire detections can be used for enhanced fire management and fire modelling through daily fire progression mapping. Here we…
Author(s): Quinn E. Barber, Piyush Jain, Ellen Whitman, Dan K. Thompson, Luc Guindon, Sean A. Parks, Xianli Wang, Matthew G. Hethcoat, Marc-Andre Parisien
Year Published:

This study utilizes Automatic Dependent Surveillance–Broadcast (ADS-B) data sourced by the OpenSky Network to curate a dataset aimed at enhancing the precision of aerial suppressant drop predictions in wildland firefighting. By amalgamating ADS-B…
Author(s): Shayne Magstadt, Yu Wei, David E. Calkin
Year Published:

Prioritizing investments in restoration, risk reduction, and conservation programs is an important part of the planning process to develop strategies for a wide range of resource management issues in the US and elsewhere (Ball et al., 2009; Noss et…
Author(s): Alan A. Ager
Year Published: