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Ecosystem

Displaying 1261 - 1280 of 6051 results

The acute stress response is a cornerstone of animal behavior research, but little is currently understood about how responses to acute stressors (i.e. discrete noxious stimuli) may be altered in future climates. As climate change ensues, animals…
Author(s): Camdon B. Kay, David J. Delehanty, Devaleena S. Pradhan, Joshua B. Grinath
Year Published:

Concern about the impacts of two invasive annual brome grasses (cheatgrass and Japanese brome, Bromus tectorum L. and B. japonicus Thunb. ex Murray) on the mixed-grass prairie of North America's northern Great Plains (NGP) is growing. Cheatgrass is…
Author(s): Amy J. Symstad, Deborah A. Buhl, Daniel J. Swanson
Year Published:

Forest operations can affect soil productivity by impacting the amount and distribution of surface organic matter (OM) and changing the properties of surface mineral soil. The North American Long-Term Soil Productivity Study (LTSP) was developed to…
Author(s): Deborah S. Page-Dumroese, Martin F. Jurgensen, Chris A. Miller, Matt Busse, Michael P. Curran, Thomas A. Terry, Joanne M. Tirocke, Jim Archuleta, Michael P. Murray
Year Published:

The Forest Vegetation Simulator (FVS) growth and yield model is widely used throughout the United States, but recent studies have reported unexpectedly large bias for some regional model variants. Here we propose a general framework for model…
Author(s): Benjamin A. Bagdon, Trung H. Nguyen, Anthony Vorster, Keith Paustian, John L. Field
Year Published:

The ecosystem response to fire is often linked to fire severity and recurrence, with potentially larges consequences on both above- and below-ground processes. Understanding the fire impact has become increasing important in the light of recent…
Author(s): Ana Barreiro, Montserrat Diaz-Raviña
Year Published:

Background:Every year thousands of wildland firefighters (WFFs) work to suppress wildfires to protect public safety, health, and property. Although much effort has been put toward mitigating air pollutant exposures for the public and WFFs, the…
Author(s): Erin O. Semmens, Cindy S. Leary, Molly West, Curtis W. Noonan, Kathleen M. Navarro, Joseph W. Domitrovich
Year Published:

After natural forest disturbances such as wildfires, windstorms and insect outbreaks, salvage logging is commonly applied to reduce economic losses and mitigate subsequent disturbance risk. However, this practice is controversial due to its…
Author(s): Alexandro B. Leverkus, Brian Buma, Joseph W. Wagenbrenner, Philip J. Burton, Emanuele Lingua, Raffaella Marzano, Simon Thorn
Year Published:

The 2020 fire season in the western United States (the West) has been staggering: over 2.5 million ha have burned as of 31 September, including over 1.5 million ha in California (3.7% of the state), in part from five of the six largest fires in…
Author(s): Philip E. Higuera, John T. Abatzoglou
Year Published:

Background: Fire strongly affects animals’ behavior, population dynamics, and environmental surroundings, which in turn are likely to affect their immune systems and exposure to pathogens. However, little work has yet been conducted on the effects…
Author(s): Gregory F. Albery, Isabella Turilli, Maxwell B. Joseph, Janet E. Foley, Celine H. Frere, Shweta Bansal
Year Published:

While western U.S. wildfires have increased in intensity and scale, their impacts on soil chemical composition and hydraulic processes have received little attention, despite increasing erosion, surface runoff and flooding. The relationships between…
Author(s): Vera Samburova, Rose Shillito, Markus Berli, Andrey Y. Khlystov, Hans Moosmuller
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:

An automated burned area extraction routine that attempts to overcome the particular difficulties of remote sensing applications in complex landscapes is presented and tested in the mountainous region of northwest Yunnan, China. In particular, the…
Author(s): David Fornacca, Guopeng Ren, Wen Xiao
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:

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:

Evacuation is considered by many to be the safest action for residents to take when threatened by a wildfire. However, not all residents agree and evacuate in the face of an approaching wildfire, instead preferring to stay and defend their…
Author(s): Alex W. Kirkpatrick
Year Published:

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:

A new approach to characterize airborne firebrands during Wildland-Urban Interface (WUI) fires is detailed. The approach merges the following two imaging techniques in a single field-deployable diagnostic tool: (1) 3D Particle Tracking Velocimetry (…
Author(s): Nicolas Bouvet, Eric Link, Stephen A. Fink
Year Published:

Airborne fine particulate matter (PM2.5) represents the greatest ambient air pollution risk to health. Wildfires and managed burns, together referred to hereafter as ‘landscape’ fires, are a significant PM2.5 source in many regions worldwide, able…
Author(s): Gareth Roberts, Martin J. Wooster
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: