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 20 of 157 for “"Habitat characteristics"”.
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Effects of habitat characteristics on cryptic fish assemblages
Habitat structure is known to influence the abundance of fishes on temperate reefs. Biotic interactions play a major role in determining the distribution and abundance of species. The significance of these forces in affecting the abundance of fishes may hinge on the presence of organisms that …
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Habitat characteristics of muskthistle populations in the Flint Hills of Kansas
Chiefly illustrated by color photographs.
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Evaluation of landscape level habitat characteristics of golden eagle habitat in Northwestern Mexico
… This reduction is linked to changes in their habitat caused by human activities. Golden eagles inhabit an extensive range of environments (Watson 1997, Kochert et al. 2002). In the American Continent, the golden eagle's range encompasses Alaska, Canada, the United States and the Northern and …
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MEASURING AND MAPPING FOREST WILDLIFE HABITAT CHARACTERISTICS USING LIDAR REMOTE SENSING AND MULTI-SENSOR FUSION
… Forest's fire regime and California spotted owl habitat is difficult and compounded by lack of information about habitat quality. Consistent and accurate measurements of forest structure will reduce uncertainties regarding the amount of habitat reduction or alteration that spotted owls can …
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Habitat Characteristics Affecting Site Occupation in Wintering Henslow’s Sparrows at Mississippi Sandhill Crane National Wildlife Refuge
… wintering Henslow’s sparrows. My study asked how habitat variables including vegetation structure, seed abundance, and arthropod abundance predict Henslow’s sparrow site occupancy at Mississippi Sandhill Crane National Wildlife Refuge. In this study, Henslow’s sparrow more often occupied sites …
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Influence of Habitat Characteristics on Wetland Bird Abundance and Species Richness at Ordway Prairie, South Dakota
… McPherson County, South Dakota, to investigate characteristics of glacial wetlands that influence abundance and species richness of wetland birds. Four bird surveys were conducted annually from mid-May through mid-August. Fourteen habitat variables were used to describe five wetland …
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Habitat Characteristics Associated with Ring-necked Pheasant Use of Winter Food Plots in Eastern South Dakota
… of pheasant use of food plots in relation to characteristics of food plots and their peripheral habitats. Thirty food plots were studied during the winter of 1988-89 and 45 during the winter of 1989-90; 59 of these were unique to a year and 16 were measured during both years. Pheasant numbers …
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HABITAT CHARACTERISTICS AND DEMOGRAPHY OF CALYPSO BULBOSA AND CYPRIPEDIUM ARIETINUM IN THE GRAND SABLE DUNES, MICHIGAN
<p>This is a study of the distribution, habitat characteristics, and reproductive demography of <em>Calypso bulbosa</em> and <em>Cypripedium arietinum </em>in the Grand Sable Dunes, Pictured Rocks National Lakeshore, Michigan, USA. Data for <em>Cypripedium arietinum</em> was collected from 345, 1-m …
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Home Range, Reproduction, and Habitat Characteristics of the Female Gopher Tortoise (Gopherus Polyphemus) in Southeast Georgia
… gopher tortoise home range, size, reproduction, habitat characteristics and season were studied for a two-year period (May 2002-May 2004) on Fort Stewart Army Reserve (FSAR) in southeast Georgia. Tortoises were studied in four sectors or regions on Ft. Stewart that contain the longleaf …
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Habitat Characteristics of Refuge Wetlands and Taro Lo'I Used By Endangered Waterbirds At Hanalei National Wildlife Refuge, Hawai'i
… Refuge (HNWR) was established to protect habitat for the endangered Hawaiian common moorhen (Gallinula chloropus sandvicensis), Hawaiian coot (Fulica alai), Hawaiian duck or Koloa (Anas wyvilliana), and Hawaiian stilt (Himantopus mexicanus knudseni). I studied two major habitat types …
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Raptor abundance and diversity and red-shouldered hawk ( Buteo lineatus) habitat characteristics on reclaimed mountaintop mines in southern West Virginia
… fill mines in southern West Virginia. Habitat characteristics of Red-shouldered Hawks (Buteo lineatus) were examined at landscape and microhabitat scales. Forty-eight points were surveyed monthly (Feb. 2000--Jan. 2001) using broadcast calls. I quantified microhabitat characteristics …
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Food Plot and Habitat Characteristics Associated With Ring-Necked Pheasant Use of Winter Food Plots in East-Central South Dakota
… winter food plot use by wintering pheasants to characteristics of food plots and their peripheral habitats. An additional objective during winters 1990-91 and 1991-92 was to determine if food plot use by pheasants is greater in 2nd-year food plots than 1st-year food plots. Pheasant use of food …
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Model Validation and Improvement Using New Data on Habitat Characteristics Important to Forest Salamanders, and Short-Term Effects of Forestry Practices on Salamander Movement and Population Estimates
… forest amphibians. I tested previously created habitat models that determined the most important habitat characteristics for salamanders. I counted salamanders in 240 10 x 10 m plots located in the MeadWestvaco Wildlife and Ecosystem Research Forest in north-central West Virginia. We also …
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There might be a frog in McElligot's Pool: a study of the habitat characteristics and social factors associated with amphibian presence in urban residential gardens in a suburb in Cape Town
… a community in Cape Town. The study explores habitat and maintenance features associated with amphibian presence and the social processes underpinning attitudes towards amphibians, with the aim of strengthening knowledge underpinning the "what" (knowledge of natural requirements), "Why" …
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Evaluating wildlife response to vegetation restoration on reclaimed mine lands in southwestern Virginia
… night searches, and auditory pond surveys. Microhabitat data were collected at each sampling point and were combined with landscape-level GIS information to relate habitat characteristics and wildlife patterns. I observed 80 bird species using reclaimed areas, clearcuts, and mature forest. …
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