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Full-Text Articles in Physical Sciences and Mathematics
Demographics Of Western South Dakota Wetlands And Basins, Bryan A. Rieger
Demographics Of Western South Dakota Wetlands And Basins, Bryan A. Rieger
Electronic Theses and Dissertations
Wetlands, whether natural or man-made in origin, are an important feature of the semiarid landscape of western South Dakota. These wetlands have numerous social and economic values and functions for both landowners and non-owners, as well as for fish and wildlife species. For this reason, accurate information about wetland abundance, characteristics and distribution is important. These demographic summaries of wetland resources of western South Dakota were based on digital wetland data, as delineated by the U.S. Fish and Wildlife Service’s National Wetlands Inventory (NWI) office. Surface water covers approximately 257,006 ha or about 2.4% of the 10,810,700 ha of western …
Effects Of Fire On The Nutritional Ecology Of Selected Ungulates In The Southern Black Hills, South Dakota, Teresa J. Zimmerman
Effects Of Fire On The Nutritional Ecology Of Selected Ungulates In The Southern Black Hills, South Dakota, Teresa J. Zimmerman
Electronic Theses and Dissertations
Research in the 1990s indicated that populations of white-tailed deer (Odocoileus virginianus) in the northern and central Black Hills had declined since the late 1970s likely due to habitat deterioration. In August 2000, the Jasper fire consumed nearly 35,000 ha of ponderosa pine (Pinus ponderosa) forest in the southern Black Hills. To ascertain the nutritional condition of white-tailed deer and mule deer (O. hemionus) and their response to fire, 5 adult white-tailed deer and 5 adult mule deer were collected in burned and unburned habitat, in February and August, 2002 and 2003. Collected deer were weighed and necropsied at a …
Factors Influencing A Declining Pronghorn Population In Wind Cave National Park, South Dakota, Jaret D. Sievers
Factors Influencing A Declining Pronghorn Population In Wind Cave National Park, South Dakota, Jaret D. Sievers
Electronic Theses and Dissertations
Pronghorn (Antilocapra americana) were reintroduced into Wind Cave National Park (WCNP) in 1914 and thus, have inhabited the park for almost a century. A decline in the population has raised concern for the continued existence of pronghorn inside the park. Historically, pronghorn numbers reached greater than 300 individuals but were estimated to be less than 50 individuals during this study. Knowledge of food habits, genetic structure, causes of mortality, survival rates, and information related to movements were important to developing an understanding of factors contributing to this decline. Past studies have described spatial relationships and breeding behavior of adults and …