Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 22 for “"oak forest"”.
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Ecological Impact of Glaze Storm Damage in an Appalachian Oak Forest
… features after a major glaze storm at Fishburn Forest in the central Appalachian mountain region. The survey sites were stratified according to aspect and landform, and sample plots were randomly assigned to each topographic category. The canopy trees in the plots were tallied and their damage …
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Vegetation distribution and site relationships in an Appalachian oak forest in southwest Virginia
… random design in a 6880 hectare Appalachian Oak Forest in southwest Virginia. The objective was to determine the present distribution patterns of tree species and community types and to relate their occurrence to site factors. Of the 52 tree species recorded, the dominants in order of …
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Nutrient dynamics of the forest floor in an Appalachian oak forest stand following clearcutting and whole-tree removal
… conducted to monitor nutrient dynamics in the forest floor of an upland Appalachian oak forest stands following clearcutting and whole-tree removal. Samples from the L, F, H, and A₁ layers were collected during June, August, and November of 1979 and 1980. Monthly litterfall was collected from …
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Estimates of above-ground phytomass and nutrients in the understory vegetation in an Appalachian oak forest in Virginia
… different vegetation types in an Appalachian oak forest in southwestern Virginia. The study area is located at midslope on the southeast aspect of Potts Mountain in four non-contiguous compartments which are to be clearcut and whole-tree harvested in the near future. A partial random sampling …
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Soil and plant water stress in an Appalachian oak forest: its relationship to topography and forest site quality
A forest site quality index (FSQI) based on topographic parameters of aspect, slope inclination and slope position was used to investigate soil moisture and plant water stress relationships on the southeast face of Potts mountain in Craig County, Virginia. Topographical effects on available water …
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Is Chir Pine Displacing Banj Oak in the Central Himalaya? Socioeconomic Implications for Local People and the Conservation of Oak Forest Biodiversity
… chir pine (Pinus roxburghii) is replacing banj oak (Quercus leucotrichophora) in the Central Himalaya. Five sites with three different types of forests (banj oak, chir pine and mixed oak-pine) were sampled to compare the diversity of their vegetation and to assess the impact of this ongoing …
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The effects of forest thinning on the food-based carrying capacity of a mixed oak forest for white-tailed deer in the ridge and valley province of Virginia
The ability of a mixed oak forest in the Ridge and Valley Province of Virginia to provide the seasonal digestible protein and energy requirements of a white-tailed doe following a commercial thinning operation was evaluated. The element of time elapsed since thinning was emphasized and was …
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Forest soil and vegetation characteristics in two forest types following wildfire in the Shenandoah National Park, Virginia
… This study was established to measure post-fire forest soil and vegetation characteristics in both the mixed pine and mixed oak forest types occurring on Dovel Mountain in the Shenandoah National Park, Virginia. Vegetation and soil results represent one (1989) and two (1990) growing seasons …
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A vascular flora of Bendabout Farm, Bradley County, Tennessee and survey of native Castanea Dentata (Marsh) Borkh. (Fagaceae, American chestnut)
… located using the sweep census method in the dry oak forest. In total, 330 ha were surveyed and 181 sprouts were documented. Maps displaying location data were generated in ArcGIS 10 to assist property managers in making best land management decisions in regard to protecting C. dentata sprouts on …
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Brood-rearing Period Cover Use By Wild Turkey Hens in Southcentral South Dakota
… and 7% open canopy of north-facing bur oak forest. Broods hens did not appear to use cultivated fields, farmsteads, or bottomlands, and grasslands were avoided or used in proportion to availability. Hens without broods used cultivated fields, farmsteads, and bottomlands in proportion to …
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Threshold of Refuge
… Surrounded on all sides by remnant chestnut oak forest, the "rock oak" of the Appalachian, this establishment of subsidized multi-family resettlement housing, a mosque, and a Rohingya cultural center serves as the rock foundation from which to stabilize the chaos of the unknown. While memory …
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The Effects of Predator Cues on Vertical Foraging Habits in the White-footed Mouse (Peromyscus leucopus)
… by using foraging trays mounted on trees in an oak forest located in eastern Will County Illinois. Data was analyzed using repeated measures MANOVA. Scent was the only significant difference during owl pellet treatments (P=0.0471, df=1). A significant difference was found between scent …
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Coarse Root Biomass and Architecture: Applications of Ground Penetrating Radar
… and quantify coarse roots was tested in a mixed-oak forest in Southeastern Virginia using experimental pits and locally excavated root segments. GPR was found to be highly dependent on low soil moisture levels as it is unable to differentiate root structures if they possess similar moisture …
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Foliar Herbivory on Understory Oaks as a Function of Forest Type and Prescribed Burning
Loss of oak seedling and sapling leaf area to insect herbivores has not been well characterized in Ozark forests, but may be a critical variable affecting current and future forest health. This study quantified loss of oak seedling and sapling leaf area to insect herbivores in recently burned or …
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Thirty-year Changes in Mineral Soil C in a Cumberland Plateau Forest as Influenced by Inorganic-N, Soil Texture, and Topography
… on the Camp Branch Watershed, a second growth oak forest on the Cumberland Plateau in central Tennessee, in July of 1976 and archived. These points were re-sampled in July of 2006 and both archived and new samples of the 0 to 10 cm increment of the mineral soil were analyzed for C and N using …
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Maximizing wildlife benefits through hardwood timber harvest scheduling
… of wildlife species was developed for upland oak forests of the Eastern United States. This system, called WILDWOOD for WILDiife/WOOD optimization system, is designed to run on a microcomputer. It utilizes a widely available database management system called PCFile III, Version 4, a forest …
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Bryophyte Community Response to Prescribed Fire and Thinning in Mixed-Oak Forests of the Unglaciated Allegheny Plateau
Silvicultural treatments are applied to forests to meet a variety of management objectives including timber production and wildlife habitat management. However, such methods may also profoundly affect other non-timber forest resources and negatively impact biodiversity. Modern forest science has …
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The influence of current year fire on leaf litter decomposition rates and microbial enzyme activity in forests undergoing ecological restoration
As a result of fire suppression, open oak woodlands, once characteristic of the interior of the southern USA, are being lost to mesophication. This process leads to changes in the plant community and has the potential to change rates of decomposition and nutrient cycling through changes in …
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Late-quaternary environmental change at Eastbourne, East Sussex
… genus being replaced by members of the 'Mixed-Oak Forest' before 8,770 plus or minus 50 B.P. Prior to this date, Juniperus expanded. The nature of the mid-Flandrian vegetation is unclear due to the presence of secondary pollen. However, this secondary pollen has been used to provide information …
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Drivers of forest dynamics: Joint effects of climate and competition
… thesis addresses different aspects of forest dynamics and possible changes due to climate change. Various modelling approaches are used to explore joint effects of climate and competition on forest dynamics with a focus on temperate forests. Motivated by scientific interest, this thesis …
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