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Ecosystem

Displaying 941 - 960 of 5894 results

A combination of bibliometric and science mapping methods was carried out to explore characteristics of scientific production on the application of orbital remote sensing in fire ecology. The performance analyzes made it possible to identify the…
Author(s): Mariana M. M. de Santana, Eduardo Mariano-Neto, Rodrigo N. de Vasconcelos, Pavel Dodonov, José M. M. Medeiros
Year Published:

Climate warming and increased frequency and severity of wildfires have the potential to undermine forest resilience to wildfires. Species demography implies that vegetation responses to fires depend on a series of population filters, including adult…
Author(s): Kyra D. Wolf, Philip E. Higuera, Kimberley T. Davis
Year Published:

Determining whether forest landscapes can maintain their resilience to fire – that is, their ability to rebound and sustain – given rapid climate change and increasing fire activity is a pressing challenge throughout the American West. Many western…
Author(s): Monica G. Turner
Year Published:

Sexual regeneration is increasingly recognized as an important regeneration pathway for aspen in the western U.S., a region previously thought to be too dry for seedling establishment except for during unusually wet periods. Due to this historical…
Author(s): Mark R. Kreider, Larissa L. Yocom
Year Published:

Climate change is expected to increase fire activity in many regions of the globe, but the relative role of human vs. lightning-caused ignitions on future fire regimes is unclear. We developed statistical models that account for the spatiotemporal…
Author(s): Ana M. G. Barros, Michelle A. Day, Haiganoush K. Preisler, John T. Abatzoglou, Meg A. Krawchuk, Rachel M. Houtman, Alan A. Ager
Year Published:

Postfire shifts in vegetation composition will have broad ecological impacts. However, information characterizing postfire recovery patterns and their drivers are lacking over large spatial extents. In this analysis, we used Landsat imagery…
Author(s): Melanie K. Vanderhoof, Todd J. Hawbaker, Andrea Ku, Kyle E. Merriam, Erin Berryman, Megan E. Cattau
Year Published:

Fire regimes are shifting under climate change. Decadal-scale shifts in fire regime can disrupt the biogeochemical cycling of carbon (C), nitrogen (N), and phosphorus (P) within forest ecosystems, but the full extent of these disruptions is unknown…
Author(s): Orpheus M. Butler, Tom Lewis, Sarah C. Maunsell, Mehran Rezaei Rashti, James J. Elser, Brendan Mackey, Chengrong Chen
Year Published:

The year 2020 brought unimaginable challenges in public health, with the confluence of the COVID-19 pandemic and wildfires across the western United States. Wildfires produce high levels of fine particulate matter (PM2.5). Recent studies reported…
Author(s): Xiaodan Zhou, Kevin Josey, Leila Kamareddine, Miah C. Caine, Tianjia Liu, Loretta J. Mickley, Matthew Cooper, Francesca Dominici
Year Published:

This article comments on: Short‐ and long‐term effects of fire on stem hydraulics in Pinus ponderosa saplings (https://doi.org/10.1111/pce.13881)
Author(s): Sharon M. Hood
Year Published:

n August 1910, wildfires swept through 3 million acres (1.6 million ha) of heavily forested mountain country in northern Idaho and adjacent Montana. About 85 people perished in the flames, and the Forest Service’s fire protection program was caught…
Author(s): Stephen F. Arno
Year Published:

Wildfire is capable of rapidly releasing the energy stored in forests, with the amount of water in live and dead biomass acting as a regulator on the amount and rate of energy release. Here we used temperature and fuel moisture data to examine…
Author(s): Marissa J. Goodwin, Harold S. Zald, Malcolm P. North, Matthew D. Hurteau
Year Published:

The benefits of prescribed fires are recognized throughout the United States, but the ability to assist with prescribed fire application on private land by government agencies has many possible constraints and challenges. The Natural Resources…
Author(s): Ryan Wilbur, Charles Stanley, Kristie A. Maczko, John Derek Scasta
Year Published:

Wildland firefighters are exposed to smoke-containing particulate matter (PM) and volatile organic compounds (VOCs) while suppressing wildfires. From 2015 to 2017, the U.S. Forest Service conducted a field study collecting breathing zone…
Author(s): Kathleen M. Navarro, Molly West, Katelyn O'Dell, Paro Sen, I-Chen Chen, Emily V. Fischer, Rebecca S. Hornbrook, Eric C. Apel, Alan J. Hills, Alex Jarnot, Paul DeMott, Joseph W. Domitrovich
Year Published:

The fuel packing ratio () significantly influences the fire spread in discrete fuels; however, the underlying mechanism remains unclear. This study performed experiments using laser-cut cardboards with different packing ratios to explore the heat…
Author(s): Qianqian He, Naian Liu, Xiaodong Xie, Linhe Zhang, Yang Zhang, Weidong Yan
Year Published:

As we learn to sustainably coexist with wildfire, there is an urgent need to improve our understanding of its multidimensional impacts on society. To this end, we undertake a nationwide study to estimate how megafires (wildfires > 100,000 acres…
Author(s): Benjamin A. Jones, Shana McDermott
Year Published:

A 30 × 30m-resolution gridded dataset of forest plot identifiers was developed for the conterminous United States (CONUS) using a random forests machine-learning imputation approach. Forest plots from the US Forest Service Forest Inventory and…
Author(s): Karen L. Riley, Isaac C. Grenfell, Mark A. Finney, Jason M. Wiener
Year Published:

here is increasing discussion in the academic and agency literature, as well as popular media, about the need to address the existing deficit of beneficial fire on landscapes. One approach allowable under United States federal wildland fire policy…
Author(s): Stephen D. Fillmore, Sarah M. McCaffrey, Alistair M. S. Smith
Year Published:

Extreme wildfires are a major environmental and socioeconomic threat across many regions worldwide. The limits of fire suppression-centred strategies have become evident even in technologically well-equipped countries, due to high-cost and a legacy…
Author(s): Sven Wunder, David E. Calkin, Val Charlton, Sarah Feder, Inazio Martinez de Arano, Peter F. Moore, Francisco Rodriguez y Silva, Luca Tacconi, Cristina Vega-García
Year Published:

Ongoing changes in fire regimes have the potential to drive widespread shifts in Earth’s vegetation. Plant traits and vital rates provide insight into vulnerability to fire‐driven vegetation shifts because they can be indicators of the ability of…
Author(s): Kyle Rodman, Thomas T. Veblen, Robert A. Andrus, Neal J. Enright, Joseph B. Fontaine, Angela D. Gonzalez, Miranda Redmond, Andreas P. Wion
Year Published:

Identifying meaningful measures of ecological change over large areas is dependent on the quantification of robust relationships between ecological metrics and remote sensing products. Over the past several decades, ground observations of wildfire…
Author(s): Joshua J. Picotte, C. Alina Cansler, Crystal A. Kolden, James A. Lutz, Carl H. Key, Nathan C. Benson, Kevin M. Robertson
Year Published: