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 12 of 12 for “"wildlife refuges"”.
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Assessment of a voluntary nonlead ammunition outreach program on midwestern national wildlife refuges
… exposure from spent hunting ammunition affects wildlife populations, human health, and poses challenges to natural resource management. In addition to existing data on this topic spanning >100-years, data from the Upper Midwestern, United States (U.S.) demonstrated bald eagles have greater risk …
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The Breeding Ecology of Least Bitterns (Ixobrychus exilis) at Agassiz and Mingo National Wildlife Refuges
… monitored in 2001 and 2002 at Mingo National Wildlife Refuge (Mingo) in southeast Missouri and 2001 through 2004 at Agassiz National Wildlife Refuge (Agassiz) in northwest Minnesota. The main objective was to study variation in the breeding ecology of least bitterns across a broad geographic …
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Knowledge and Meanings of Wilderness and Wildlife Refuges among Okefenokee Visitors on guided Intrepretive Tours
… tour visitors at Okefenokee National Wildlife Refuge do no better than other visitors on knowledge and value questions about federal wilderness areas and national wildlife refuges. Tours into the Okefenokee Swamp Wilderness are conducted by a National Wildlife Refuge concessionaire. …
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A Herpetofaunal Inventory Study of two National Wildlife Refuges in the Mississippi Delta and Associated Evaluation of Trapping Efficacy
… present at Panther Swamp and Hillside National Wildlife Refuges (NWR) and to quantify trapping efficacy as a result of various methodologies under different habitat variables. The primary methods employed were two varieties of drift fence trap arrays consisting of 100-foot sections of silt …
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Population/Biomass Estimates and Relative Abundance Indices of Adult Common Carp in Arrowwood and Sand Lake National Wildlife Refuges
… Dakota) and Sand Lake (South Dakota) National Wildlife Refuges. Population/biomass estimates were undertaken at three different areas within each refuge. A consistent pattern was evident throughout the population/biomass estimates, with the larger, more open areas having the highest biomass, …
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Evaluations of Techniques for Estimating Fall Age Ratios of Canada and Snow Geese
… was studied at Sand Lake and Tewaukon National Wildlife Refuges during fall, 1965 and 1966. Age-ratios obtained from flock counts vaired with the number of flocks sampled, wind velocity and amount of sky cover. If adequate sampling sites are selected and weather conditions are standardized, age …
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Below-Ground Food Production in Habitats Utilized by the Rocky Mountain Populations of Greater Sandhill Cranes
… habitats at three United States Fish and Wildlife Service (USFWS) National Wildlife Refuges (NWR) in the Intermountain West where these life cycle events occur. Grays Lake NWR in Idaho is a traditional RMP crane breeding area; Monte Vista NWR in the San Luis Valley in Colorado is an …
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PLACE-BASED CONSERVATION LEGISLATION AND NATIONAL FOREST MANAGEMENT: THE CASE OF THE BEAVERHEAD-DEERLODGE PARTNERSHIP
… for this paper includes national parks and wildlife refuges, national forest units, and protected land laws like wilderness law, companion designations, conservation omnibus acts, and place-based conservation legislation. This is important, for each legislation type has a different purpose, …
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PLACE-BASED CONSERVATION LEGISLATION AND NATIONAL FOREST MANAGEMENT: THE CASE OF THE BEAVERHEAD-DEERLODGE PARTNERSHIP
… for this paper includes national parks and wildlife refuges, national forest units, and protected land laws like wilderness law, companion designations, conservation omnibus acts, and place-based conservation legislation. This is important, for each legislation type has a different purpose, …
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Population abundance and genetic structure of black bears in coastal North Carolina and Virginia using noninvasive genetic techniques
The United States Fish and Wildlife Service (USFWS) expressed the need to develop appropriate management strategies for apparently high-density, growing black bear populations in the Roanoke-Neuse-Tar-Cape Fear ecosystem in coastal North Carolina and Virginia. In order to provide the scientific …
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Reproductive Parameters of Nesting <em>Caretta caretta</em> on Georgia's Barrier Islands
… at Wassaw and Blackbeard Island National Wildlife Refuges, Georgia during the 2000 and 2001 nesting seasons. Plasma testosterone and estradiol levels were observed to decline throughout the season with each successive nesting attempt. Data collected from nesting <em>C. caretta</em> in …
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Informal recreation in upland Britain : a comparative study of two sites in Lancashire
… not so designated may still be valuable wildlife refuges, as well as providing attractive settings for informal recreation. The problem is to control the distribution of visitors so that their very numbers do not destroy the countryside they come to see. The contemporary solution lies in …