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Ecosystem

Displaying 1621 - 1640 of 6051 results

Many studies have defined the interrelationships between climate, forest disturbance, and runoff at small scales (<100 km2), but few have translated these relationships to large watersheds (>500 km2). In this study, we explore the relationship…
Author(s): Margot E. Vore, Stephen J. Déry, Yiping Hou, Xiaohua Wei
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Since the 1960s, canopy photography has been widely used in forestry. Hemispherical photography has been the most widely used technique, but a great drawback of this method is its perceived sensitivity to hemispherical image acquisition and…
Author(s): Francesco Chianucci
Year Published:

In this study, we use simulations from seven global vegetation models to provide the first multi‐model estimate of fire impacts on global tree cover and the carbon cycle under current climate and anthropogenic land use conditions, averaged for the…
Author(s): Gitta Lasslop, Stijn Hantson, Sandy P. Harrison, Dominique Bachelet, Chantelle Burton, Matthias Forkel, Matthew Forrest, Fang Li, Joe R. Melton, Chao Yue, Sally Archibald, Simon Scheiter, Almut Arneth, Thomas Hickler, Stephen Sitch
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Wildland fires have a multitude of ecological effects in forests, woodlands, and savannas across the globe. A major focus of past research has been on tree mortality from fire, as trees provide a vast range of biological services. We assembled a…
Author(s): C. Alina Cansler, Sharon M. Hood, Phillip J. van Mantgem, J. Morgan Varner
Year Published:

Fire-stimulated flowering and fire-stimulated resprouting are associated traits common in plants that evolved in fire-prone habitats, e.g., Vellozia pyrantha, an iconic plant that has economic potential and is endemic to a fully protected area. By…
Author(s): Bárbara Paula dos Santos Borges, Andressa Priscila Piancó Santos Lima, Alone Lima-Brito, José Raniere Ferreira de Santana, Abel Augusto Conceição
Year Published:

Previous research on media framing of wildfire has chiefly been concerned with the nature of wildfire in the context of climate change and with framing effects on policy and public opinion. Empirical studies on media content, hence what is mediated…
Author(s): Sofia Nilsson, Ann Enander
Year Published:

Australian fire services provide two broad types of warning to people in bushfire (or wildfire) risk areas. Fire Danger Ratings communicate the possible consequences of a bushfire due to its rate of spread, intensity and difficulty of suppression.…
Author(s): Joshua Whittaker, Mel Taylor, Christopher Bearman
Year Published:

This research note seeks to draw attention to the potential impact of social media climate change debates on the Australian tourism industry during and after the devastating 2019-2020 Australian bushfires. Whilst acknowledging the tremendous role of…
Author(s): Stephen Schweinsberg, Simon Darcy, David Beirman
Year Published:

Pacific salmon spawning and rearing habitats result from dynamic interactions among geomorphic processes, natural disturbances, and hydro‐climatological factors acting across a range of spatial and temporal scales. We used a 21‐year record of redd…
Author(s): Gregory R. Jacobs, Russell F. Thurow, John M. Buffington, Daniel J. Isaak, Seth J. Wenger
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With climate-driven increases in wildfires in the western U.S., it is imperative to understand how the risk to homes is also changing nationwide. Here, we quantify the number of homes threatened, suppression costs, and ignition sources for 1.6…
Author(s): Nathan Mietkiewicz, Jennifer Balch, Tania L. Schoennagel, Stefan Leyk, Lise A. St. Denis, Bethany A. Bradley
Year Published:

Particulate matter with aerodynamic diameter < 2.5 μm (PM2.5) is one of the main pollutants generated in wildfire events with negative impacts on human health. In research involving wildfires and air quality, it is common to use emission models.…
Author(s): Joseph Sánchez-Balseca, Agustí Pérez-Foguet
Year Published:

Riparian forests link terrestrial and freshwater communities and therefore understanding the landscape context of fire regimes in these forests is critical to fully understanding the landscape ecology. However, few direct studies of fire regimes…
Author(s): Grant Harley, Emily K. Heyerdahl, James D. Johnston, Diana L. Olson
Year Published:

Over the past several decades, the impacts of climate change have threatened the health and functioning of forested ecosystems on a global scale. Warming and drying trends have altered disturbance regimes and have created significant uncertainty…
Author(s): Zoe Schapira, Camille Stevens-Rumann
Year Published:

Given the recent history of frequent and extensive late dry season wildfire in Australia’s fire-prone northern savannas, regional conservation-based fire management programs typically aim to mitigate wildfire through the use of strategic prescribed…
Author(s): Jay Evans, Jeremy Russell-Smith
Year Published:

Fire exclusion since the 1930s across western U.S. landscapes has greatly altered fire regimes and fuel conditions. After a lightning-caused fire swept through the center of the Bob Marshall Wilderness Area in 2003, researchers initiated a…
Author(s): Sarah Flanary, Robert E. Keane
Year Published:

Fire can be extremely harmful to sensitive ecosystems such as rainforests while maintaining the structure and composition of savanna environments. That is because historically, rainforest species have not been subjected to recurring fires requiring…
Author(s): Christian N. Berlinck, Eugênia Kelly Luciano Batista
Year Published:

Natural disasters are inherently traumatic. The unexpected, unpredictable, threatening, and overwhelming nature of these events can be destabilising and distressing, potentially leading to psychological trauma (Substance Abuse & Mental Health…
Author(s): Sancia West, Denis C. Visentin, Amanda Neil, Grad Dip, Rachel Kornhaber, Valerie Ingham, Michelle Cleary
Year Published:

We examined the effects of two recent, high-severity disturbances on seed dispersal and conifer seedling establishment in a subalpine spruce-fir forest in the San Juan Mountains, Colorado. Our study area had undergone high forest mortality from a…
Author(s): Amanda R. Carlson, Jason S. Sibold, Jose F. Negron
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Multiple, simultaneous environmental changes, in climatic/abiotic factors, interacting species, and direct human influences, are impacting natural populations and thus biodiversity, ecosystem services, and evolutionary trajectories. Determining…
Author(s): William F. Morris, Johan Ehrlén, Johan P. Dahlgren, Alexander K. Loomis, Allison M. Louthan
Year Published:

For the physical model of wildland fire spread, errors or discrepancies in the prediction of spread rate may arise from uncertain, imprecise or improper determinations of the model parameters due to unreasonable assumptions, rough approximations, or…
Author(s): Xieshang Yuan, Naian Liu, Xiaodong Xie, Domingos Xavier Viegas
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