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Articles 1 - 6 of 6
Full-Text Articles in Physical Sciences and Mathematics
A Study Of African American Forest Landowners In South Carolina: Implications For Land Ethic And Forest Stewardship, Keenan Adams
A Study Of African American Forest Landowners In South Carolina: Implications For Land Ethic And Forest Stewardship, Keenan Adams
All Dissertations
African Americans account for a significant proportion of South Carolina`s
population but reportedly own a disproportionally smaller amount of land. Research indicates that landowners who hold significant sources of sustainable wealth and power can dramatically increase their quality of life and ultimately that of their communities. Current land loss trends for African Americans are increasing at an alarming rate, which may have larger social implications for this traditionally underserved population. The remaining African American landowners are a rapidly declining group, due to an assortment of factors (e.g., age, heirs property). Understanding the experiences of the residual African American forest landowners …
Effects Of Imperviousness On Family Biotic Index Values In The Southern Appalachian Headwaters And Resulting Extension Education, Jon Calabria
All Dissertations
Clear, cool headwater streams in the mountains of North Carolina are inextricably linked to the surrounding landscape. Trickling perennial streams drain precipitation from their catchment and are capable of sustaining excellent water quality to support rich aquatic biodiversity that feeds and beneficially contributes to the stream network below. However, headwater ecosystems can be easily compromised by even seemingly insignificant anthropogenic impacts. Small headwater streams were not mapped until recently, and are now known to be ubiquitous. Although the NC Mountains contain some of the highest headwater streams densities in the nation, they remain very susceptible to changes in the catchments …
An Examination Of Heritage Resource Internship Experiences And Land Management Agency's Role In Inspiring Emerging Leaders, Carin Vadala
An Examination Of Heritage Resource Internship Experiences And Land Management Agency's Role In Inspiring Emerging Leaders, Carin Vadala
All Dissertations
To address the shortage of people seeking to fill employment vacancies, the land management agencies are using the Student Conservation Association (SCA) and internships as a means of recruiting the next generation of leaders. Yet little research has been conducted on internships in cultural and natural heritage resource parks. This study used a two-phase linear exploratory method to investigate the experiences of cultural and natural heritage resource interns. Additionally, the study sought to determine if and how internships shape vocational, recreational, social and personal identities concerning parks and protected areas. Using significant life experiences, environmental socialization and emerging adulthood theories, …
Mobility Of Plutonium In Zea Mays (Corn): Determination Of Transport Velocities, Spatial Distribution And Correlations With Iron., Shannon Thompson
Mobility Of Plutonium In Zea Mays (Corn): Determination Of Transport Velocities, Spatial Distribution And Correlations With Iron., Shannon Thompson
All Dissertations
Understanding the environmental behavior of plutonium (Pu) is essential for proper radioactive waste disposal or for remedial activities following an accidental release of Pu. The environmental behavior of Pu is influenced by physical, chemical, and biotic factors, such as the simultaneous existence of multiple Pu species, redox transformations at mineral surfaces, colloid formation, and the potential of microbes and plants to affect its sorption to soil. Plant Pu studies have been conducted for quantifying bioaccumulation or phytoremediation. Until now, experimental studies have not focused on the capacity of plants to affect the transport behavior and distribution of Pu in the …
Biology And Ecology Of Lake Sturgeon Acipenser Fulvescens In The Grasse River, New York, Drew Trested
Biology And Ecology Of Lake Sturgeon Acipenser Fulvescens In The Grasse River, New York, Drew Trested
All Dissertations
The objectives of this dissertation were to (1) evaluate the age, growth, mortality, and abundance of lake sturgeon Acipenser fulvescens in the Grasse River, New York; (2) characterize seasonal movement patterns and mesohabitat use for adult and juvenile lake sturgeon in the Grasse River, New York; and (3) quantify the immediate and delayed post-procedure mortality for shovelnose sturgeon after insertion of an endoscope through an incision. I determined age for 196 of 211 lake sturgeon by examination of sectioned pectoral fin rays. Ages ranged from 0 -32 years and the annual mortality rate for fish between ages 7 and 14 …
Development Of A Spatialy Explicit Habitat Patch Model (C-Pan) And Comparative Analysis Of Patch Modeling Techniques: The Crafting Of A New Tool For Conservation Planners, Ryan Perkl
All Dissertations
ABSTRACT
Ecological theories including island biogeography, intermediate disturbance, metapopulation and metacommunity all suggest that habitat patches of larger size and those comprised of substantial configurations of interior or core habitat possess the greatest potential for long-term species viability. As a direct means of mitigating edge encroachment and fragmentation's other adverse effects, there is a growing consensus among conservation planners that assembling larger, more cohesive tracts with substantial core area is of ecological value in conservation planning. Larger and more cohesive patches are believed to sustain larger and more viable local populations, enhance overall biodiversity, incorporate a wider array of natural …