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 62 for “"sightings"”.
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The Status of the Puma (Puma Concolor) in Missouri, Based on Sightings
… extirpated from the state of Missouri. However, sightings of puma have continuously been reported thorughout the state. Questionnaires, addressing the circumstances of the sighting incident and personal attributes of the individual, were sent in response to 509 reported puma sightings. A total of …
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Climatic factors influencing hunter sightings of deer on the broad run research area
Data collected on the Broad Run Area, 1964 through 1970, concerning the influence of weather variables on number of deer seen per day, number of deer seen per hunter per day, and number of hunters per day were analyzed. Linear correlation and multiple linear regression analysis were used to …
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The influence of environmental variables on white shark (carcharodon carcharias) sightings at False Bay beaches.
In response to an increase in shark attacks in the Western Cape over the last decade, a shark warning system called Shark Spotters that records white sharks (Carcharodon carcharias) in the surf zone was implemented in 2004 in Cape Town, South Africa.
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The impact of White Shark (Carcharodon carcharias) sightings and attacks on recreational water use patterns in False Bay
… Hoek and Muizenberg), and investigate how shark sightings (accompanied by warning flags and/or a siren) as well as attacks influence water use patterns amongst bathers, surfers and paddlers. In the period from 2006 to 2012, the total number of shark sightings recorded was 531 at Muizenberg and …
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Patterns of Seasonal Variation in Diet, Abundance, and Movement of the Scarlet Macaw (Ara macao) in southern Belize
… from southern Belize indicated strongly seasonal sightings of macaws (N ≈ 200) in two separate areas of considerable difference in elevation. I monitored plant phenology plots (2 m x 500 m) in low (N = 6) and high (N = 6) elevation areas for a year to compare fruit abundance with macaw sightings …
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Recreational Diving and Hawksbill Sea Turtles (Eretmochelys imbricata) in a Marine Protected Area
… I conducted in-water observations and turtle sightings surveys from June 9 to August 21, 2014, in Roatán, Honduras, to determine if differences in dive site use and diver behavior alter the behavior of critically endangered hawksbill sea turtles (Eretmochelys imbricata) in a marine protected …
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Predictors of white shark Carcharodon carcharias presence at two recreational beaches in a major metropole
… on shark presence. A total of 1209 shark sightings were recorded from 1 January 2006 - 31 December 2015 with 742 sightings at Muizenberg and 467 at Fish Hoek. I used randomization tests to determine whether the occurrence of shark sightings was randomly distributed across the environmental …
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Ufocritique: ufos, Social Intelligence, and the Condon Report
Myriad reports of UFO sightings exist and are well documented in the literature of the study of UFOs. This field is widely known as ufology. The history of UFO sightings and their socio-political context and consequences constitutes the broad subject of this study and provides a site for analysis …
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The Status of the Black-Tailed Jackrabbit in Missouri
… resulted in 10% positive responses of reported sightings. Posters and other media generated additional reported localities. A total of 114 sightings since 1985 have been submitted and 99 of these were investigated. Earlier studies in 1969 and 1979 had indicated a decrease in range and population …
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Chemical Signaling and Resource Use by African Elephants (Loxodonta Africana)
… June 2006. In the long-wet season, elephant sightings were not correlated with the temperature. In the long-dry season, sightings of family and mixed groups were correlated with temperature, but male sightings were associated with female presence. Post-puberty male elephants first came to the …
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Predicting favorable habitat for bobcats (Lynx rufus) in Iowa
… the Corn Belt region by 1900. In the 1990's, sightings of bobcats in Iowa began to increase, and they are now abundant in southern Iowa. With the dramatic expansion of rowcrop agriculture resulting in loss of habitat, wildlife managers do not know whether bobcats will again be widespread …
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The Ecology of Cuvier’s beaked whale, Ziphius cavirostris (Cetacea: Ziphiidae), in the Bay of Biscay
… beaked whale, using dedicated and opportunistic sightings and the interactions with fixed physical variables (depth, slope and aspect), non-fixed environmental variables (sea surface temperature) in the Bay of Biscay, northeast Atlantic. This study used a differing combination of environmental …
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Predator movements in complex geography: Spatial distribution and temporal occurrence of low-density bottlenose dolphin communities off western Scotland
… and the collection of opportunistic photo-ID and sightings data), this study examined local dolphin mobility patterns by investigation of their spatial distribution and temporal occurrence.<br/>The results provided evidence for a prolonged (at least 2006-2013) social and geographic isolation …
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Productivity, Movements, and Habitat Use of Nesting and Brooding Wild Turkey Hens in Gregory County, South Dakota
… so. Seventy-seven percent of all brood sightings made between 0631 hr and 1130 hr, and 67% of all sightings made between 1631 hr and 2030 hr were in grassland habitats. Seventy-two percent of all brood sightings made between 1131 hr and 1630 hr were in woodlands. Grassland brood use …
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An investigation on humpback whales' distribution in relation to Antarctic sea ice in the IDCR/SOWER dataset
… to climate research. Using the humpback whale sightings dataset, I prepared a workflow analysis to visually assess the distribution of humpback whales during the IDCR/SOWER surveys in relation to the sea ice from climate data records. The analysis was framed around the use of regional sectors …
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The presence, diet and relative abundance of otters (Carnivora: Mustelidae) in Northern Namibia
… as well as their relative abundance. Community sightings of otters were utilized, along with on sight observations (for example, sightings and signs) while collecting data in the field to determine the presence of otter species. Sightings of the African clawless and Spotted-necked otters, as …
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Population Demographics of Cougars in the Black Hills: Survival, Dispersal, Morphometry, Genetic Structure, and Associated Interactions with Density Dependence
… but cougars proved resilient. A few sporadic sightings were recorded in the Black Hills during the 20th century, with enough verified sightings occurring during the 1980s that the South Dakota Department of Game, Fish and Parks began recording sightings and verifying potential cougars. …
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E pluribus unum: what individual whales can tell us about enigmatic species distribution and social organization
… logistic model is written for a 20-year sightings dataset on humpback whales collected by Allied Whale research trips and on the Bar Harbor Whale Watch Company vessels, examining choice of individuals over a given landscape and incorporating the cost of movement. Habitat choices are …
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Hierarchical summer habitat selection by the North American porcupine in western Montana
… More recently it has been noted that porcupine sightings have become rare in western Montana is areas where sightings were once common. Due to the overall lack of information about western porcupine populations it is imperative to gather basic natural history information in order to make …
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Hierarchical summer habitat selection by the North American porcupine in western Montana
… More recently it has been noted that porcupine sightings have become rare in western Montana is areas where sightings were once common. Due to the overall lack of information about western porcupine populations it is imperative to gather basic natural history information in order to make …
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