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 5 of 5 for “"Ground-nesting bees"”.
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Chronic contact exposure to realistic soil concentrations of a neonicotinoid insecticide represents a potentially important and unexplored route of exposure for ground nesting bees
… on ecologically and economically important bees are an area of growing concern. One class of pesticides that has gained considerable attention over the past two decades is the neurotoxic neonicotinoid insecticides. Neonicotinoids are a widely used group of compounds that are often applied …
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The Bees of Two Sites in the Big Thicket National Preserve, Texas, with a Consideration of the Effects of a Rare Flooding Event
<p>Native bees are an important part of terrestrial ecosystems due to their coevolution with flowering plants. This study catalogued the bee fauna of two sandyland sites in the Big Thicket National Preserve and assessed whether a community was impacted by a historic hurricane-induced flooding …
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Food Habits and Energy Utilization of Badgers
… two energy-balance and three digestion trials. Ground squirrels, mice and rabbits were found to be the most important mammal foods eaten. Birds and eggs were only eaten during spring and summer. Toads and grains were important fall foods. Insects were eaten throughout the year but usually only …
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Floral abundance and soil characteristics affect wild bee community structures and nesting dynamics in tallgrass prairies
… utilize burning, but haying removes aboveground biomass and PBG includes grazing by cattle. The impacts of these management practices on important ecological factors for bee species, such as floral community structure and nesting resources are examined in this study. Floral resources and …
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Effects of burn season on bee and floral community in tallgrass prairies, and the use of museum collections data
… 1 addresses the question of how fires affect bees in prairie fragments in Illinois. Understanding the effects of the different burn seasons will aid future pollinator- and bee-friendly land management and restoration projects. In 2016 and 2017, bees were collected from seven prairie sites in …