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 “"nonbreeding season"”.
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Investigating factors influencing blue-winged teal movements and habitat selection during the nonbreeding season
… history strategy used by waterfowl to access seasonally available resources. However, migratory events in both autumn and spring are energetically demanding and migration strategies that minimize energy expenditure could offer opportunities for increased fitness. Although waterfowl may …
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Spatial Ecology of the Spotted Salamander <em>Ambystoma maculatum</em> During the Nonbreeding Season.
<p>Spotted Salamanders, <em>Ambystoma maculatum</em>, are a widely distributed pond-breeding amphibian that spends an estimated 95% of its life in woodlands surrounding breeding ponds. Their terrestrial ecology remains poorly understood. Few studies have tracked the movement patterns of Spotted …
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Living in harsh environments: From individuals to social networks
… composed of multiple mated pairs during the nonbreeding season. This presents mountain chickadees with opportunities to learn about their flock mates and potentially maximize the benefits of group living by investing differentially in social relationships. The experience they gain with their …
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Effects of Frontal Hypothalamic Deafferentation on Seasonal Breeding and Secretion of Luteinizing Hormone, Prolactin and Melatonin in the Ewe
… but prevented the onset of normal anestrous season. Moreover, FHD did not alter photoperiod-induced, estrogen independent changes in luteinizing hormone (LH) secretion, but hampered photoperiod-induced, estrogen dependent changes in LH concentrations. This suggests that photoperiod signals, …
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Factors most closely explaining activity patterns and behavior of northern saw-whet owls in migratory stopover habitat
… NSWO—is a small migratory owl whose nonbreeding ecology is poorly known. I captured and tagged 43 NSWO from 2022-2023 at Kennekuk County Park in central Illinois—a site used by NSWO as a migratory stopover and wintering location. The goal was to investigate how activity patterns …