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Full-Text Articles in Physical Sciences and Mathematics
Movements, Survival, And Sightability Of White-Tailed Deer In Southeastern South Dakota, Trenton J. Haffley
Movements, Survival, And Sightability Of White-Tailed Deer In Southeastern South Dakota, Trenton J. Haffley
Electronic Theses and Dissertations
To effectively manage white-tailed deer (Odocoileus virginianus) populations, managers need to identify population parameters including but not limited to movements, survival and cause-specific mortality. It also is helpful to examine population size and density. The primary objectives of my study were to document seasonal migration, estimate survival rates for female adult white-tailed deer, and generate a sightability model for deer in southeastern South Dakota. Secondary objectives were to calculate seasonal home ranges and document cause-specific mortality. Forty four adult female white-tailed deer were monitored from February 2009 to January 2011 in Bon Homme and Yankton counties. I documented 38 seasonal …
Productivity And Trophic Interactions In The Missouri River Impoundments, Mark J. Fincel
Productivity And Trophic Interactions In The Missouri River Impoundments, Mark J. Fincel
Electronic Theses and Dissertations
Standardized monitoring is a vital component of fisheries assessment in Missouri River impoundments. In South Dakota, annual variation in fish growth and abundance is used to monitor changes in fish populations and develop strategies (i.e. regulations) for managing recreational fishes. Although variation in fish abundance provides important insight into the status of fish populations, it can be difficult to link these changes to environmental conditions (i.e. hydrology) without concurrent information about reservoir productivity. Measures of nutrient concentration, algal biomass, and zooplankton composition/abundance provide important insights into reservoir productivity, but standardized approaches for collecting these measures have not been developed for …
Population Viability Analysis Of Swift Fox (Vulpes Velox) At The Badlands National Park, Indrani Sasmal
Population Viability Analysis Of Swift Fox (Vulpes Velox) At The Badlands National Park, Indrani Sasmal
Electronic Theses and Dissertations
The swift fox (Vulpes velox) was historically distributed in southwestern South Dakota including the region surrounding Badlands National Park (BNP). The species declined during the mid-1900s due to habitat fragmentation, non-target poisoning, and harvest. A remnant population occurred on USDA Forest Service lands in Fall River County, South Dakota. Following the successful reintroduction of the species in Canada (1983), a reintroduction program was initiated in BNP in the year 2003. Free-ranging swift fox from Colorado and Wyoming were translocated to BNP from 2003 to 2006. Despite these releases and observations of free-ranging swift fox occurring throughout western South Dakota, it …