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 11 of 11 for “"Ecological surveys"”.
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The vascular flora of the Tennessee River Gorge, Hamilton and Marion counties, Tennessee
… Counties, Tennessee. According to previous ecological surveys, the 4,970 ha (12,281 acres) study area contains 12 natural communities and six unique habitats. A total of 960 specimens were collected. These comprised 692 species and lesser taxa, representing 392 genera from 123 families of …
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Inferences about the conservation utility of using unmanned aerial vehicles to conduct rapid assessments for basking freshwater turtles
… (UAVs), an emerging technology, show promise in ecological research. In this comparative study, I compare UAVs to a traditional sampling method, observations using spotting scopes. UAVs have yet to be used successfully for sampling freshwater turtles; however, they have been used with mixed …
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Plant Response Parameters to General Patton's Armored Maneuvers in the Eastern Mojave Desert of California
<p>The purpose of this study, which was undertaken from September, 1977 through June, 1978 was to survey the response of perennial vegetation to General Patton's World War II armored maneuvers. This information will be used to help construct a basis for predicting recovery rates on the effects of …
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Impact of Human Activity on Protected Areas: A case study of Nech Sar National Park in Ethiopia
… human population increases, however, these ecologically vital resources are threatened due to over-utilization of their resources. Nech Sar National Park of Ethiopia being one of them, is currently threatened due to the impact of human activities. Hence, this research bridges the knowledge …
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Plant Response to the Barstow to Las Vegas Motorcycle Race of November, 1974
<p>The purpose of this study was to determine the disturbance spectrum of the perennial plant vegetation by the Barstow to Las Vegas motorcycle race. Transects were taken at the pit area, starting line, and at various locations along the race course. Measurements were also taken in undisturbed …
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Modeling Point Patterns, Measurement Error and Abundance for Exploring Species Distributions
… on solving some common problems associated with ecological field studies. In the core of the statistical methodology, lies spatial modeling that provides greater flexibility and improved predictive performance over existing algorithms. The applications involve prevalence datasets for hundreds of …
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Temporal and Spatial Trends of the Amphibians, Reptiles, and Mammals of the Relict Ottine Wetlands
Ecological surveys are a snapshot in time, providing biological inventories and important documentation about ecological communities. If carefully documented these data may be used to estimate population sizes and demographics as well as community parameters such as abundance, species richness and …
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The social and management factors that contribute to the ecological sustainability of oil palm plantations
… to do so. In this thesis, I conducted social, ecological, and interdisciplinary studies of both smallholder and industrial plantations in two key oil palm countries, aiming to provide a more holistic understanding of the social factors influencing plantation management, and the ecological …
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Extreme Terres of Anthropocene
… Part 1 focuses on the social, political, ecological, and environmental conditions that remained rather unquestioned as the concept of Extreme Terres. The aim is to understand the causes and consequences of ongoing transformations, with a focus on human impact on the soil. In today’s …