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Showing 1 to 20 of 25 for “"fire ecology"”.
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Turning up the heat: fire ecology and climate adaptive silviculture in longleaf pine forests
Frequent fire is required to maintain the characteristic structure, function, and high biodiversity of longleaf pine woodlands. Longleaf pine regeneration is exposed to this frequent fire, yet persists as both patches and single tree regeneration. While research has shown that this regeneration …
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Fire Ecology of Northern Andean grasslands: Estimating recent fire history and its impact on páramo plants
… and sustainable management is a high priority. Fires are the most significant human impact in the páramo, yet fire regimes and the response of plant communities to fire are not well understood (Luteyn, 1992; Laegaard 1992; Ramsay and Oxley, 1996; Ramsay, 2001; Horn & Kappelle, 2009). A …
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LONG-TERM OVERSTORY VEGETATION RESPONSES TO PRESCRIBED FIRE MANAGEMENT FOR LONGLEAF PINE AT BIG THICKET NATIONAL PRESERVE
… Park Service continued monitoring the study’s fire ecology research plots. After two decades of data collection, ordination was applied to species abundance data to examine changes in vegetation communities from a variety of prescribed fire treatments and controls. The vegetation data was …
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Effects of repeated fire on the savanna / forest boundary
… stable states, among others, determined by fire ecology feedbacks. Bush encroachment has become an ever-increasing trend converting grassland and savanna biomes to forest/thicket. A severe firestorm occurred in the Hluhluwe-Umfolozi Game Reserve in north-eastern South Africa in September …
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The differences in grass species composition and the effects on fire behaviour in an African mesic savanna
Fire is a key determinant of savanna dynamics, particularly with respect to its influence on vegetation dynamics. The grass species composition and structure of savannas have impacts on fire behaviour through their differing fuel characteristics related to each species specific phenologies and …
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Nutrient Cycling Between Litters and Soil after Fire in Native Woodland and Pinus radiata Plantations
Fire can change both the quantity and nature of soil organic matter during the event and can affect organic matter inputs after the event. These changes may affect the microbial biomass, nutrient availability and nutrient cycling, and may have flow on effects on soil carbon stocks and cycling. …
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Microhabitat Temperature Variations and the Post-Burn Response of Vegetation in the Edwards Plateau of Texas
With the increased use of prescribed fires in the Edwards Plateau comes a need for a greater understanding of factors affecting fire temperatures and post-burn vegetational response. In the winter of 1980, a joint study was initiated on the Kerr Wildlife Management Area, near Kerrville, Texas, to …
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Stand Dynamics in a Southern Appalachian Montane Pine Barren, Warm Springs Mountain, Virginia
… successional changes initiated by a history of fire suppression. Dominated by early successional fire adapted species, such as dwarfed Pinus rigida (Mill.) and Quercus ilicifolia (Wangenh.), this shrubland is home to numerous rare plants and invertebrates. We used vegetation analysis and …
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Post-fire vegetation and bird habitat use in piñon-juniper woodlands
Global climate change has caused fire activity and behavior to shift from historical norms due to hotter and drier conditions. Although the ecological effects of changing fire regimes have been explored in many systems, the resilience of some forest types, such as piñon-juniper, are often …
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Impacts of multiple fires and wind disturbance on forest community composition, succession and diversity in the Boundary Waters Canoe Area Wilderness.
… in the frequency of disturbances including wildfires and severe windstorms. While boreal forests such as those of the BWCAW are generally considered disturbance adapted, it is uncertain how changing disturbance regimes will impact these forests. We used a series of recent disturbances in the …
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Fire effects on small mammals and vegetation of the Northern Chihuahuan Desert
The role of fire in the Northern Chihuahuan Desen has been of great interest and also heavily debated for 40 years. However, few replicated studies have documented the changes brought about by fire. .My study documented the short term effects of fire on a creosotebush (Larrea tridentata) dominated …
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Vegetation Responses to Prescribed Burning in a Mixed-conifer Woodland, Cuyamaca Rancho State Park, California
<p>This study reports the results of light intensity prescribed burning on the vegetation of 3 jeffrey pine-black oak woodland sites in Cuyamaca Rancho State Park, California. The 1.2 ha, 85 ha, and 6 ha burn plots were measured for tree and shrub density and basal area 6 months, 1% years, and 2 …
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CONSEQUENCES OF ALTERED BURN REGIMES ON PLANT COMMUNITY DIVERSITY IN THE PINEYWOODS OF EAST TEXAS
<p>The re-establishment of historic fire return intervals is vital to restoring forest health, species diversity, natural succession regimes, and reduction of some invasive species. Studies on the effect of fire frequencies on southern pine understory plant communities have revealed increased plant …
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Unraveling an uncertain future for the Great Basin: how climate, grass invasion, and wildfire interact to drive ecosystem function
… regimes, annual grass invasion, and wildfire. Understanding how these drivers interact to influence ecosystem function, and how such interactions may change in the future, can provide critical insight for building ecological resilience. This dissertation explores how changing moisture …
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Fire and Fuels: Vegetation Change Over Time in the Zuni Mountains, New Mexico
… by human interference. Anthropogenically, fire suppression practices have allowed a buildup of fuels and caused a change in the fire-adapted ponderosa pine ecosystem such that the new ecosystem now incorporates many fire-intolerant species. As a result, the low-severity fires that the …
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Habitat selection of three rodents in a frequently burned boreal environment : productivity and habitat diversity
How does fire affect the plant and animal community of the boreal forest? This study attempted to examine the changes in plant composition and productivity, and small mammal demography brought about by fire in the northern boreal environment at Chick Lake, N.W.T. (65053fN, 128°14,W). Two 5*6 ha …
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Managing disturbance in the longleaf pine ecosystem: effects of managed fire regime characteristics on fire hazard and community ecology at multiple spatial scales
… ecosystem is adapted to frequent, low-intensity fire, however, naturally occurring fire no longer burns with sufficient frequency to maintain the ecological structure and function necessary to sustain high levels of biological diversity. To compensate, aggressive prescribed fire programs are …
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Post-fire carbon, fuels, and vegetation dynamics in wet temperate forests: implications for future fire and management in the Pacific Northwest
… dynamics under warming climate and increasing fire activity is a critical priority for contemporary ecology and ecosystem management. However, fundamental understanding of fire effects is missing in ecosystems where fire is infrequent, including wet temperate forests west of the Cascade Range …
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Management Tools for Prescribed Burning for Tallgrass Prairie Restoration at the Lewisville Lake Environmental Learning Area
… Essential ecosystem processes, especially fire, are part of restoration. To support fire management efforts at LLELA and surrounding areas, this project evaluated and developed tools for fire restoration. The four primary prairie grasses respond favorably to burning. Fuel loads and fuel …
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Population Dynamics in Response to Fire in <i>Quercus laevis - Pinus palustris</i> Barrens and Related Communities in Southeast Virginia
… plant population dynamics in response to fire, compare these dynamics among different moisture regimes, compare the effect of mechanical understory removal to that of fire on tree seedling and herbaceous dynamics, and determine the effect of dense lichen (<em>Cladonia spp</em>.) coverage …
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