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Showing 1 to 20 of 81 for “"fire regimes"”.
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Historical fire regimes in southeasern pine savannas
… plain pine savannas lack direct evidence of past fire regimes. As a result, uncertainty exists regarding the range of variation in frequency and seasonal timing of past fire regimes and the relative importance of anthropogenic and lightning-ignited fires. Characterization of past fire regimes is …
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Ecology of feral cats Felis catus and their prey in relation to shrubland fire regimes
… may be worsened by other disturbances such as fire. I examined how the fire history of shrublands influences the ecology of feral cats Felis catus, dingoes Canis dingo and their prey species in Western Australia’s northern Wheatbelt region. A review of the literature revealed that feral cats …
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Disentangling how climate change and forest management alter fuels and fire regimes in Sierra Nevada forests
Extreme wildfires are increasing in forests around the globe and releasing billions of tons of previously sequestered carbon into the atmosphere every year. In the California Sierra Nevada, wildfires have become more extreme in response to both climate change and historical fire suppression. To …
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Responses of boreal fire regimes to climatic and land-cover changes: perspectives from multiple spatiotemporal scales
… boreal forest over the past several decades, and fires are expected to increase in frequency and size as a result of anthropogenic climate change in the 21st century. Because wildfires have an important regulatory role in maintaining boreal forests, fire-regime shifts can have large ecological and …
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The role of humans, climate and vegetation in the complex fire regimes of north-east Namibia
… and socio-historical factors influenced fire management dynamics in north-east Namibia. Fires are mostly human ignited, but precipitation patterns influence when and where fires can occur, and there are feedbacks between fire, climate and vegetation cover. Yet, knowledge of historical and …
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The impacts of afforestation of treeless habitats on fire regimes and ecosystem servicesMediterranean landscapes as a case study
La plantación de árboles se ha convertido en una estrategia central en las políticas globales de mitigación del cambio climático. Se promueven a menudo como una doble vía para aumentar el almacenamiento de carbono, recuperar la biodiversidad y producir madera de forma sostenible. Sin embargo, …
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Effects of Prescribed Fire Regimes on White-tailed Deer (Odocoileus virginianus) Browse, Forage, and Nutrient Availability in the Pineywoods Ecoregion of Texas
<p>Fire is a management tool for white-tailed deer (<em>Odocoileus virginianus</em>) habitat, influencing browse availability, herbaceous production, and nutrient content. In 2020 and 2021, this study utilized 46 plots across East Texas to assess these habitat components. A stem count index survey …
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Resilience and recovery of plant communities facing increasing fire severity
Extreme events such as megafires are becoming more frequent with changing climate. Changes in fire regimes like increasing fire severity, threaten the survival and recovery of plants through lack of adaptation to these extreme occurrences. Beyond impacts on individuals this can shift the …
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Resilience of peaty systems to low-severity wildfires in the Cairngorms
Wildfires are a major disturbance affecting a variety of Earth’s ecosystems, including ecosystems containing peat. Fires test the resilience of peaty systems through their impacts on interconnected ecosystem components, many of which are understudied. Understanding the role of fire in peaty systems …
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Holocene Fire History Reconstruction of a Mid-Evaluation Mixed-Conifer Forest in the Eastern Cascades, Washington
Fire histories of mid-elevation mixed-conifer forests (MEMC) are uncommon, particularly in the eastern Cascades of Washington. As a result, fire regimes and the effects of 20th century fire suppression in these forests are not well understood. In the summer of 2014 a 7.80 meter-long sediment core …
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HOLOCENE FIRE-RELATED ALLUVIAL CHRONOLOGY AND GEOMORPHIC IMPLICATIONS IN THE JEMEZ MOUNTAINS, NEW MEXICO
In fire-prone areas, the geomorphic effects of fire are influenced by fire frequency and severity (i.e. fire regime) and can play a significant role in hillslope evolution. In the Jemez Mountains, tree-ring fire history reconstructions indicate that low-severity fire regimes characterized the ~300 …
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Evaluating the impact of oceanic/atmospheric teleconnections on historical wildfires in West Virginia (1939--2006)
… in turn analyzed the influence of climate on wildfire activity within West Virginia from 1939--2006. Identifying the linkages between oscillations and climate variability has the potential to greatly improve seasonal forecasting capabilities. Despite the complexity inherent in local fire regimes, …
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The Relationship between Wildfire Dynamics and Soil Carbon in Boreal Forests of Alaska: Forest Management for Emissions Reduction in a Changing Climate
… is prone to large stand replacing summer wildfires. The region stores considerable quantities of terrestrial carbon sequestered in soil horizons down to 1 meter in depth that are strongly influenced by a combination of climate change, permafrost dynamics, vegetative composition, and fire …
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The Effects of the Non-Climatic Inhomogeneities in Surface Weather Station Records on Long Term Trends in Canadian Fire Weather Index System Codes.
… in the effects of climate change on forest fire regimes, there has been a proliferation of studies analyzing the past fire weather trends using daily surface weather stations data. However, not all studies take account of such data's inherent inconsistencies (inhomogeneities) from …
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Drivers of spatial and temporal variability in the fire regime of boreal forest in western Russia
Fire is an integral and major control on forest properties and ecosystem functions within the boreal forest. However, significant spatial and temporal variability in fire regimes occurs across this area that may not current be being encompassed in models and predictions of its future, particularly …
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The effect of grassland shifts on the avifauna of a South African savanna
… be altered by changes in mammal numbers and/or fire regimes. Such changes may have cascading consequences on other components of the ecosystem if they show specialisation towards one or other grassland state. This study compared avifaunal assemblages of grazing lawns and bunch grasslands to …
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Responses of Arthropods to Fire and How Pollinators and Pollination Services Are Affected by Fire Severity
<p>Fires impact ecosystems globally and due to climate change, there are shifts in fire regimes that impact ecological communities which provide essential ecosystem services. Focusing on arthropods, fire can influence this ubiquitous animal group in various way. We performed a comprehensive …
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Novel disturbance regimes in the Arctic: paleoecological perspectives on fire and thermo-erosion from Alaskan tundra
… latitudes, and disturbance processes such as wildfire and thermo-erosion (i.e., ground subsidence transport of ice-rich sediments) have increased in frequency and magnitude in tundra ecoregions in recent decades. These novel disturbance regimes could increase the role of the Arctic in exacerbating …
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Root suckering in Dichrostachys cinerea and a comparison of subspecies africana and nyassana
… and the extent of root suckering under different fire regimes, and levels of herbivory. Variations in subspecies distribution are clear. Subspecies africana, with greater structural defenses, survives in areas of high herbivory but is rarely seen under high fire disturbance. The opposite is true …
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Environmental correlates and associations of tuart (Eucalyptus gomphocephala) decline
… hydrology (depth, depth change, and chemistry), fire regimes, pollution and anthropogenic disturbance (fragmentation and site disturbance). Assessment of canopy condition indicates that most the Tuart distribution has slight to moderate canopy decline, and is characterised by a mean canopy …
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