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 57 for “"PINE FOREST"”.
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Occurrence and Characteristics of Nonfruiting Myxobacteria Isolated from Pine Forest Soils
… of nonfruiting myxobacteria isolated from pine forest soil Three years after a prescribed burn, the population of nonfruiting myxobacteria was decreased in the burn site. The organisms isolated were distinct from any of the known species of nonfruiting myxobacteria, and apparently are new …
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Effects of Fire on Soil CO₂ Efflux in a Mature Longleaf Pine Forest
… from 2012-2013 in a 96 year old longleaf pine at the Lake Thoreau Environmental Center located Lamar County, MS. Measurements of soil CO₂ efflux (i.e., soil respiration or SR) rates (µmol m<sup>-2 </sup>sec<sup>-1</sup>) were taken across 8 field plots (4 burned, 4 unburned) before and …
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Belowground Carbon and Nitrogen Cycling in a Loblolly Pine Forest Managed for Bioenergy Production
… during the last decade, increasing demand for forest-based bioenergy feedstocks. Millions of acres of privately and industrially owned pine plantations exist across the southeastern US, representing a vast area of land that could be utilized to produce bioenergy without significant land-use …
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Ectomycorrhizal Fungal Succession in a Native Monterey Pine Forest and Its Potential Influence Upon Forest Population Dynamics
… and survival of many plant species found within forest ecosystems throughout the globe. The succession of ectomycorrhizal communities during forest maturation has been observed in a number of systems; however, though it is generally assumed that this process is important for forest dynamics, we …
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Impacts of forest harvesting on the performance of soil-landscape modelling in a radiata pine forest, northern New Zealand
New Zealand's forestry industry requires new information on the spatial distribution of certain target soil properties and locally significant soil classes in order to implement sustainable and site-specific forest management practices. Soil-landscape modelling has been identified as a potentially …
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Densities, habitat-use, and mesopredator release of the ocelot in Belize
… protected areas: three broadleaf sites and one pine forest site. I measured ocelot activity and habitat-use with respect to the activity of jaguars and pumas at one broadleaf site and one pine forest site; additionally, I calculated estimates of ocelot and jaguar densities within those two …
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Η ΑΙΣΘΗΤΙΚΗ ΑΞΙΟΛΟΓΗΣΗ ΤΟΥ ΤΟΠΙΟΥ ΤΩΝ ΠΑΡΑΛΙΑΚΩΝ ΠΕΥΚΟΔΑΣΩΝ ΜΕ ΒΑΣΗ ΤΗΝ ΑΝΑΛΥΣΗΤΩΝ ΠΡΟΤΙΜΗΣΕΩΝ
… ANALYSIS AND EVALUATION FOR PLANNING PURPOSES. FOREST LANDSCAPE EVALUATION IN THE CASE OF THE GREEK COASTAL PINE FOREST BASED ONUSER'S PREFERENCE (GREEK AND FOREIGN VISITORS) COULD BE USEFUL IN THIS DIRECTION. THE CORRELATION OF AESTHETIC VALUE OF THE COASTAL PINE FOREST LANDSCAPES TOSITE …
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FOOD-WEB AND FUNCTIONAL TRAIT COMMUNITY STRUCTURE OF PREDATOR ASSEMBLAGES IN PINE FORESTS UNDER DIFFERENT MANAGEMENT REGIMES
… approaches, I investigated the impacts of forest management practices in structuring predator communities in two pine forest systems of eastern Texas. The results of this study indicate that the increased frequency of forest management practices such as prescribed fires and thinning …
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LONG-TERM OVERSTORY VEGETATION RESPONSES TO PRESCRIBED FIRE MANAGEMENT FOR LONGLEAF PINE AT BIG THICKET NATIONAL PRESERVE
<p>At the western edge of the longleaf pine (Pinus palustris) range, federal land managers have burned the forests of Big Thicket National Preserve to bring back the structure and diversity of the longleaf pine forest. In the early 1990’s, a four year study was conducted by Rice University, and the …
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Seed Dispersal of Wild Peony (Paeonia brownii): as seed in the pouch is worth two in the pod
… produces large seeds and is found in Jeffrey pine forests at elevations between 1950-2000 m and in sagebrush scrub at elevations between 1550-1580 m in the mountain ranges of western Nevada. Wild peony appears to follow a scatter-caching seed dispersal syndrome, but this has never been …
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Biology and conservation of the endangered Bahama Swallow (Tachycineta cyaneoviridis)
… in southern Abaco, especially near roads and pine snags. Future research should prioritize identifying the causes of variable and low population densities in parts of the swallow's range. I used microsatellite markers and morphometrics to assess differences between populations on Abaco and …
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Baseline Study for Monitoring Variations in Nitrate Concentration in Surface Waters of Cuyamaca Rancho State Park in Relation to Watershed Types
… by seasonal variation in rainfall. The yellow pine forest/chaparral watershed showed the highest mean nitrate concentration, three to four times higher than the other watershed types analyzed. Peak nitrate concentrations did not approach the maximum safe limit for human or animal consumption. …
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Ocelot Density and Home Range in Belize, Central America: Camera-Trapping and Radio Telemetry
… of ocelots in 2 habitat types; the broadleaf rainforest and pine forest of western Belize. Camera trapping combined with mark-recapture statistics resulted in densities of 18.91 - 20.75 ocelots per 100 km2 in the rainforest and 2.31 0 3.81 ocelots per 100 km2 in the pine forest habitat. This study …
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Erweiterung der `Localized Near Field' Theorie zur Bestimmung von Quellstärken bei beliebiger thermischer Schichtung in einem Waldbestand
… These are derived from values measured inside a pine forest. Using these parametrisations the distribution of heat sources inside the forest canopy is calculated from measured temperature profiles.
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Modeling Endemic Bark Beetle Populations in Southwestern Ponderosa Pine Forests
… susceptibility of host trees in southwestern US forested landscapes. To do this, I (1) analyzed 21 years of field data to examine the population dynamics of bark beetles and the factors that affect them, (2) created a statistical model for predicting the absolute risk of individual trees to bark …
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Heterogeneity of Stand Structure, Fuels, and Wildfire Hazard in Dry and Moist Old-Growth Ponderosa Pine Forests: Case Studies from Western Montana
… wildfire hazards in old-growth ponderosa pine stands throughout the western United States. However, stand heterogeneity has been inadequately addressed in restoration and fuel treatment planning. In response, we analyzed two old-growth ponderosa pine forest restoration projects in western …
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Heterogeneity of Stand Structure, Fuels, and Wildfire Hazard in Dry and Moist Old-Growth Ponderosa Pine Forests: Case Studies from Western Montana
… wildfire hazards in old-growth ponderosa pine stands throughout the western United States. However, stand heterogeneity has been inadequately addressed in restoration and fuel treatment planning. In response, we analyzed two old-growth ponderosa pine forest restoration projects in western …
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The Effect of Mountain Pine Beetle Induced Tree Mortality on Home Values in the Colorado Front Range
Throughout the past decade American pine forests have experienced an epidemic of Mountain Pine Beetle (MPB) induced tree mortality. This thesis estimates the losses to home values caused by deteriorating forest quality in the Front Range Counties of Larimer and Boulder Colorado. We employ a repeat …
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Wild turkey responses to intensive pine management in Virginia's central piedmont
… were investigated on intensively managed pine forest of the Central Piedmont. Thirty-two adults and poults were captured with adult dosages of alpha-chloralose. Poults were easily sedated and usually recovered 1 day sooner than adults. The annual mortality rate for marked turkeys was 85%; …
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