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 “"nest tree"”.
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A Study of Habitat Variables Associated with Northern Goshawk Nest Site Activity on the Three National Forests in Southern Utah
… loss of critical breeding and wintering habitat. Nest site selection of goshawks has been correlated with certain specific site characteristics including, but not limited to, forest species composition, forest stand size, diameter of nest tree, percent cover, tree height, site slope, and aspect. …
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Red-headed Woodpecker Habitat Selection and Breeding Ecology on Fort Drum Military Installation, New York
… and 2013, respectively. I subsequently located nest cavities of breeding pairs to monitor reproductive success and conducted extensive habitat sampling to assess nest-habitat selection.;I used boosted regression trees (BRT) to identify red-headed woodpecker nest-habitat thresholds at multiple …
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NEST SITE CHARACTERISTICS OF LEWIS’S WOODPECKER (MELANERPES LEWIS) IN RIPARIAN SYSTEMS OF WESTERN MONTANA
… on characteristics of their preferred nesting habitat within these areas is lacking. I studied nesting habitat use by Lewis’s Woodpeckers in two important breeding areas in cottonwood-dominated riparian forest along the Clark Fork and Bitterroot rivers in western Montana. I found 55 …
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NEST SITE CHARACTERISTICS OF LEWIS’S WOODPECKER (MELANERPES LEWIS) IN RIPARIAN SYSTEMS OF WESTERN MONTANA
… on characteristics of their preferred nesting habitat within these areas is lacking. I studied nesting habitat use by Lewis’s Woodpeckers in two important breeding areas in cottonwood-dominated riparian forest along the Clark Fork and Bitterroot rivers in western Montana. I found 55 …
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Ecological Factors Associated With Songbird and Small Mammal Predation by Texas Ratsnakes
… avian ecology, predation is the primary cause of nest failure and yet few studies examine predators directly. For my dissertation, I used radio-telemetry to monitor Texas ratsnake (Elaphe obsoleta ) habitat use and behavior to examine predation risk on nests of two endangered bird species breeding …
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Habitat Requirements and Foraging Ecology of the Madagascar Fish-Eagle
… and foraging success. Madagascar fish-eagle nest and perch trees were taller, broader, had more unobstructed branches, and had a greater arc of accessibility than unused trees. Perch trees also were deciduous more often and had a narrower growth form than unused trees. Nest sites had more …