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Ecosystem

Displaying 121 - 140 of 5953 results

In 2024, wildfires burned a record number of forests participating in California's forest offset program, exposing the danger of relying on forests to slow climate change. While California maintains a reserve of offset credits - known as a “buffer…
Author(s): Grayson Badgley
Year Published:

Climate change is amplifying both wildfire burned area and severity, as well as incidents of drought-induced tree mortality (dieback). Direct effects from climate change amplify wildfires and episodes of drought-induced dieback have well-known…
Author(s): Carl A. Norlen, Kyle S. Hemes, Jonathan A. Wang, James T. Randerson, John J. Battles, Carmen L. Tubbesing, Michael L. Goulden
Year Published:

Understanding past fire regimes requires reliable proxy data that record fire conditions and preserve them over time. The objective of this study was to determine if the oxygen isotope composition of charred bark samples (pyrogenic organic matter)…
Author(s): Tegan McWhirter, Elizabeth A. Webb, Jeffery P. Dech
Year Published:

The 21st century’s warming climate threatens aspen (Populus tremuloides) growth in the southern Rocky Mountains (western US), endangering ecosystem diversity, functionality, and associated services. This study linked aspen growth with temperature…
Author(s): Gabrielle A. Ayres, Peter Z. Fule, William T. Flatley
Year Published:

The occurrence of forest ground smoldering combustion has been increasingly frequent in recent years, resulting in significant emissions that have a detrimental impact on the ecological environment. Current research on smoldering emissions, however…
Author(s): Shuyuan Tang, Yanlong Shan, Sainan Yin, Lili Cao, Xiang Chen, Wenjun Xie, Miaoxin Yu, Shilong Feng
Year Published:

Forests are valuable for a wide variety of reasons, including biodiversity and carbon sequestration and storage. As such, in the U.S., various parties have proposed large-scale forest management efforts to enhance biodiversity conservation and…
Author(s): Craig Loehle, Darren A. Miller, Adrienne I. Kovach, Angela L. Larsen-Gray, Michael E. Akresh, John E. McDonald, Amanda E. Cheeseman, David King, Sharon M. Petzinger, John Kanter
Year Published:

Background The invasive annual grass cheatgrass (Bromus tectorum) increases fuel continuity, alters patterns of fire spread, and changes plant communities in sagebrush shrublands of the Great Basin (USA) and adjacent sagebrush steppe, but no studies…
Author(s): Georgia R. Harrison, Lisa C. Jones, Lisa M. Ellsworth, Eva K. Strand, Timothy S. Prather
Year Published:

Variable radius plot surveys can require updated estimates when the quality of previous estimates have declined over time. We developed a statistical estimator for this purpose that is the product of two estimators, one estimator is for the updated…
Author(s): Bryce Frank, Francisco Mauro, Constance A. Harrington, Kevin R. Ford
Year Published:

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
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:

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:

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:

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:

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:

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:

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:

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
Year Published:

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:

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
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: