Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 6 of 6 for “"before-after control-impact study"”.
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Using spatial ecology data to inform development and mitigation of a trap rock quarry in Blanding’s turtle (Emydoidea blandingii) habitat
Mining practices can negatively impact turtles through degradation of wetlands and surrounding upland habitat, alteration of movement corridors, accidental mortality, and increased risk of nest and turtle predation. These impacts, in turn, can cause changes in patterns of energy allocation, skewed …
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Working with large-scale population trend data in ecology and conservation: methods and applications
… a species, they can also be used to assess the impact of interventions on a population. In Chapter 3, I present a pre-analysis plan for a project assessing the impact of protected areas on populations; pre-analysis plans are relatively new in ecology, but present one method to combat against …
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How do ecological restoration treatments affect understory plant communities in dry conifer forests of the Colorado Front Range?
… primarily aim to create overstory change, impacts beyond the canopy should also be considered – such as effects on understory plants. Several studies have investigated outcomes of ecological restoration thinning treatments for understory plants, but few of these have examined effects across …
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Influence of Gizzard Shad on Fish Community Ecology in Northeastern South Dakota Glacial Lakes
… yellow perch is unknown. The objectives of this study were to 1) estimate survival, reproduction and recruitment of gizzard shad in two northeastern South Dakota glacial lakes and 2) determine the impacts gizzard shad on the population dynamic rates and seasonal diets of both walleye and yellow …
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Bat Resource Utilization Along the Potomac River Corridor in Maryland
… periodical cicadas is largely unknown. Using a before-after-control-impact study design, we deployed ultrasonic acoustic detectors during the summers of 2020–2022 within and just outside the range of the cicada emergence along the Potomac River corridor of Maryland and Virginia. For total bat …
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Initial response of riparian vegetation to dam removal on the Elwha River, Washington
… functions such as wildlife habitat, erosion control, nutrient and energy storage, buffering of sediment and pollution, and maintenance of biodiversity. Worldwide, riparian ecosystems are threatened by a variety of human-induced disturbances including climate change, development, invasive …