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Wildfires are crucial in shaping forest ecosystems globally, influencing structure, biodiversity, and ecosystem services. However, the interaction of climate change, reduced grazing, fuel accumulation, and human-caused ignitions has led to a…
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Background
Wildfires are burning more area across the western US than they have in the recent past, driving an increased need for post-fire reforestation. At the same time, trees are struggling to keep up with climate change and post-fire tree…
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How do university extension programs incorporate wildfire adaptation and resilience into their work? To answer this question, the Northern Rockies Fire Science Network spoke with representatives from Montana State University Extension, University of…
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Background
Smoldering underground fires in peatlands are among the most persistent and destructive wildfire types, but resisting conventional suppression methods.
Aims
This study experimentally evaluates a heat-pipe-based underground firebreak…
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Background
Physics-based models often use single-step reaction schemes for thermal pyrolysis. However, more detailed schemes may be needed to accurately represent fuels such as pine needles that are composed of multiple chemical components. To this…
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Background
Accurate estimates of fine dead fuel moisture content (FMC) are critical for assessing bushfire risk.
Aims
This study aimed to evaluate the ability of the Campbell Scientific 10-h fuel stick and the Wiltronics Fine Fuel Moisture Meter for…
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Understanding the interplay between environmental factors and operational practices is essential to overcoming the bottlenecks that often hinder post-fire restoration success. Selecting favorable microsites can enhance initial seed establishment by…
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Background
Wildland fire is known to play an important role in aerosolizing microbes sourced from vegetation and soil communities, but little is known about their spatiotemporal patterns across environmental gradients in smoke plumes. During…
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Wildland fire smoke has long been recognized as primarily a mixture of gases and particulate matter with the potential to impact air quality and human health. New research has revealed that smoke also carries elevated concentrations of viable…
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Abstract
Background
In response to record-breaking wildfire seasons worldwide, wildfire researchers are increasingly called upon to conduct research to better understand the drivers and impacts of “megafires.” However, there is limited attention to…
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Effective interventions to prevent human-caused ignitions on public lands play a critical role in social and ecological adaption to wildfire. While wildfire prevention spending generates a high return on investment, funding and capacity to support…
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Background
Wildfires have burned large areas of forest in Central Europe in recent years, and the risk of fires is predicted to increase. However, this region is still underrepresented in fire ecology research. To help to fill this knowledge gap, we…
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To restore ecosystem health and reduce the negative impacts of wildfire, scientists and land managers argue that more prescribed fire is needed on the land. However, a lack of effectively trained personnel in the role of “burn boss” is a barrier to…
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As wildfire activity increases globally, understanding how soil microbial communities vary in young postfire forests and the effect of short fire-return intervals on these communities becomes increasingly important for anticipating postfire…
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Highlights
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Understory plant diversity showed a U-shaped trend across successional stages.
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Beta diversity was driven by species turnover, with no trend across succession.
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Structural heterogeneity (deadwood, canopy, tree size) enhanced…
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As wildfire activity increases globally, understanding how soil microbial communities vary in young postfire forests and the effect of short fire-return intervals on these communities becomes increasingly important for anticipating postfire…
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Background
Horizontally continuous fuel types such as pine litter can sustain flame spread along individual fuel particles, but little is known about how wind affects flame behavior at this fine scale.
Aims
We conducted experiments to examine flame…
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Background
Despite growing attention to wildland firefighter safety, little is known about the full scope of environmental health hazards experienced occupationally. Previous research has documented exposures to carcinogens and combustion byproducts…
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Wildfire suppression is often represented in fire spread simulators as static barriers that completely stop fire propagation and are placed at the start of the simulation. Recent works have begun to simulate barriers introduced at different time…
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Background
Changes in climate and vegetation, in combination with fire exclusion, are altering and homogenizing fire regime attributes compared to historical conditions. Fire regime changes are commonly quantified using departure metrics based on…
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