This study investigated bird distributions in relation to local habitat and landscape pattern and the implications which habitat fragmentation may have for woodland birds. There were two sections to the research: an experimental study investigating bird gap crossing behaviour ac…
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Wild turkey (Meleagris gallopavo ) populations have grown considerably in the agricultural Midwest during the past few decades, as have mesocarnivores such as coyotes (Canis latrans ) and bobcats (Lunx rufus ) which may impact turkey populations. However, few studies have assess…
Understanding animal-habitat relationships remains one of the key inquiries of ecology. In studying animal-habitat relationships, the traditional approach has adopted a resource-centered view, relying heavily on directly measuring attributes of a habitat itself. However, ecologi…
Natural gas exploration and production has caused large scale changes to portions of the Arkansas landscape. Well pad site construction, access roads, and pipelines utilized to extract and transport natural gas have fragmented forested areas. The forest fragmentation resulting f…
Habitat management efforts for the New England cottontail, a species of conservation concern, are primarily focused on creating and maintaining dense understory vegetation. Native shrublands and forest types on Cape Cod provide large expanses of potential habitat for New England…
Wildfires shaped subalpine forests in the northern US Rocky Mountains for millennia. However, recent climate-driven increases in fire frequency and severity are constraining postfire tree regeneration in forests dominated by fire-sensitive obligate-seeder conifers via reduced pr…
Fluvial barforms are the fundamental building blocks of rivers, but their scales, controls, dynamics, and habitats remain poorly understood and quantified. The scales of bars deposited in the rock record are crucial to interpreting the history of earth and other planets. But bar…
Globally many bird populations are declining at a rapid pace due to direct and indirect anthropogenic disturbances. Bird collisions with buildings are one major source of direct mortality. Chapter 1 examined species- and life-history-related variation and correlates of collision…
Bumble bees (Bombus spp.) are a taxon of great importance to agricultural systems and natural communities. Rapid declines of bumble bee populations in North America and Europe have generated considerable interest in improving and protecting remaining habitat. However, the method…
I investigated habitat use and age estimation methods for juvenile tarpon (Megalops atlanticus) to better understand use of natural and managed habitats in coastal South Carolina and to provide guidance for estimating life history characteristics that are dependent on age data. …
Bay scallops, Argopecten irradians, were once an abundant estuarine species, associated with seagrass beds ranging from the Gulf coast and along the Eastern coast of the United States. However, due to the presence of harmful algal blooms (HABs), loss of seagrass habitat, and inc…
This novel pilot study evaluates the potential associated tools, methods, and concept of operations required for a Critical Contingency Extravehicular Activity (CCE) repair of a 3D-printed in-situ resource utilization (ISRU) Lunar and Martian habitat. With NASA’s current 2020 Te…
Las Cienegas National Conservation Area (LCNCA), located in southeastern Arizona, is a place of ecological and historical value. It is host to rare native, threatened and endangered fauna and flora. as well as the site of the oldest operating ranch in the state. The first chapte…