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Articles 1 - 7 of 7
Full-Text Articles in Entire DC Network
Territoriality And Spatial Structure In The Green Anole, Anolis Carolinensis, William D. Weber Jr.
Territoriality And Spatial Structure In The Green Anole, Anolis Carolinensis, William D. Weber Jr.
University of New Orleans Theses and Dissertations
Anolis carolinensis has been a model organism for ecology and evolutionary biology since the seventies, yet there are still understudied aspects of their ecology. A five-year study has provided microsatellite genotypes to be used in building a pedigree and assess relatedness, enabling us to evaluate the spatial distribution of an urban population of A. carolinensis. Results indicate no correlation between a male’s size and the distance others keep from it; however, males belonging in the heavyweight morph are dictating the spatial distribution in this population. In addition, juvenile dispersal of male offspring and partial philopatry of female offspring are …
Urban Walkability Measures: Data Quality, Cautions, And Associations With Active And Public Transportation Across Canada, Thomas C. Thayer
Urban Walkability Measures: Data Quality, Cautions, And Associations With Active And Public Transportation Across Canada, Thomas C. Thayer
Electronic Thesis and Dissertation Repository
Geographical Information Systems (GIS) has emerged as a primary tool to study the built environment (BE) and its correlates. Accurate results employing GIS-based methods, however, depend on high-quality data sets and agreement on the appropriate nature and scale of areal units. Exploratory groundtruthing exercises illuminated possible issues of data accuracy. GIS-derived walkability measures for intersection density and land use mix were calculated for 2011 using Census of Canada data to determine whether commercially- or municipally-sourced urban data sets were better suited for BE studies. Road network data were ‘cleaned’ to remove unwalkable sections of road and to repair instances of …
A Spatial Inquiry Into Childhood Lead Poisoning In Shelby County, Tennessee, Cem Akkus
A Spatial Inquiry Into Childhood Lead Poisoning In Shelby County, Tennessee, Cem Akkus
Electronic Theses and Dissertations
Review of the recent literature suggests that integration of geographical information systems (GIS) into childhood lead exposure studies significantly enhances identifying lead hazards in the environment and determining at risk children. The purpose of this study is to find at-risk areas of childhood lead poisoning as well as determining risk factors in Shelby County, Tennessee. The two common deduplication methods: the first blood lead level (BLL) test result and the highest BLL test result were compared. Kappa statistic was used to investigate the effect of residential mobility on hot spots. Global and local spatial autocorrelations, Moran’s I and Getis and …
Spatial Distribution And Geomorphic Factors Of Lead Contamination On Floodplains Affected By Historical Mining, Big Rover, S.E. Missouri, David Bower Huggins
Spatial Distribution And Geomorphic Factors Of Lead Contamination On Floodplains Affected By Historical Mining, Big Rover, S.E. Missouri, David Bower Huggins
MSU Graduate Theses
Historical mining in the Old Lead Belt resulted in lead (Pb) contamination of floodplain soils for over 170 km along the Big River in southeastern Missouri. The overall pattern of contamination are understood. However, Pb distribution across floodplain surfaces has not been investigated at the scale needed for site-level remediation planning. The goal of this project is to examine spatial distribution of Pb with more detail and identify the role of geomorphic processes. Predictive models are needed to evaluate factors affecting Pb distribution such as elevation, distance from the channel, and geochemistry. This study evaluates Pb distribution at three ~1km …
Drone Technology For Low-Cost Precision Mapping On Campus And In The Community, Suresh Muthukrishnan, Mike Winiski
Drone Technology For Low-Cost Precision Mapping On Campus And In The Community, Suresh Muthukrishnan, Mike Winiski
Earth and Environmental Sciences Presentations
Proliferation of consumer grade small Unmanned Aerial Vehicles (sUAV) or drones brings many opportunities in the area of mapping and spatial analysis. Although misuse of drone technology is well-chronicled in the media, the important and positive role played by drones at the community level is often overlooked. At Furman University, we have integrated the use of drones into teaching, research, and various sustainability and safety initiatives on campus and with community partners. Using a combination of tools, including drones and GIS, we mapped the sprinkler irrigation network and streetlight locations on campus and in a local community. The general workflow …
3d Tool Evaluation And Workflow For An Ecological Approach To Visualizing Ancient Socio-Environmental Landscapes: A Case Study From Copan, Honduras, Heather Richards-Rissetto, Shona Sanford-Long, Jack Kerby-Miller
3d Tool Evaluation And Workflow For An Ecological Approach To Visualizing Ancient Socio-Environmental Landscapes: A Case Study From Copan, Honduras, Heather Richards-Rissetto, Shona Sanford-Long, Jack Kerby-Miller
Department of Anthropology: Faculty Publications
Architectural reconstructions are the centerpieces of ancient landscape visualization. When present, vegetation is relegated to the background, resulting in underutilized plant data—an integral data source for archaeological interpretation—thus limiting the capacity to take advantage of 3D visualization for studying ancient socio-environmental dynamics. Our long-term objective is to develop methods of 3D landscape visualization that have value for examining changes in land use and settlement patterns. To begin to work toward this objective, we have (1) identified 3D tools and techniques for vegetation modeling and landscape visualization, (2) evaluated the pros and cons of these tools, (3) investigated biological and ecological …
Valuing Natural Space And Landscape Fragmentation In Richmond, Va, Lee Wyatt Carpenter
Valuing Natural Space And Landscape Fragmentation In Richmond, Va, Lee Wyatt Carpenter
Theses and Dissertations
Hedonic pricing methods and GIS (Geographic Information Systems) were used to evaluate relationships between sale price of single family homes and landscape fragmentation and natural land cover. Spatial regression analyses found that sale prices increase as landscapes become less fragmented and the amount of natural land cover around a home increases. The projected growth in population and employment in the Richmond, Virginia region and subsequent increases in land development and landscape fragmentation presents a challenge to sustaining intact healthy ecosystems in the Richmond region. Spatial regression analyses helped illuminate how land cover patterns influence sale prices and landscape patterns that …