Global ETD Search
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Showing 1 to 7 of 7 for “"Trichechus"”.
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Effect of Hormonal and Temporal Factors on Captive Female Manatee (Trichechus Manatus Latirostris) Behavior
Activity patterns, spatial use and reproductive hormones of nine adult-female captive manatees at Homosassa Springs Wildlife State Park (HSWSP) were studied from January 6 to August 10, 2003. This study probed two main topics: 1) activity pattern and spatial use of the facility by manatees over …
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Gross and Microscopic Observations on the Lingual Structure of the West Indian Manatee (Trichechus manatus latirostris)
The West Indian manatee tongue was examined macroscopically, light microscopically, and electron microscopically (scanning and transmission). The tongue was slender, muscular, and firmly fixed in the oral cavity. Only the cranial tip was free and mobile. Numerous filiform papillae were distributed …
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Status and Distribution of Manatees in Honduras and the Use of Side-Scan Sonar
… countries. Using the West Indian Manatee <em>(Trichechus manatus</em>) as the study subject, these three challenges were examined and possible solutions were presented.</p> <p>The distribution of manatees in Honduras is known from sporadic death reports and informal interviews. Like many other …
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Adapting Small Unmanned Aerial Systems for Behavioral Research with Coastal Marine Mammals
… and the Endangered Antillean manatee (<em>Trichechus manatus manatus</em>). The conservation and management of marine mammals can be resource-intensive and challenging, often resulting in a lack of important contextual information on the abundance, distribution, and threats faced by local …
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An Investigation of Captive Florida Manatee (<em>Trichecus manatus latirostris</em>) Behavior and Social Interactions
… injuries and deaths of the Florida manatee, <em>Trichechus manutus latirostris</em>. Rehabilitation centers have been established in Florida to help return sick or injured manatees back to the wild. Manatees that are released back to the wild after undergoing rehabilitation in captivity might …
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Habitats da megafauna marinha na costa nordeste do Brasil, com ênfase em peixes-bois.
… de espécies ameaçadas, como o peixe-boi marinho (Trichechus manatus manatus). O objetivo deste estudo foi avaliar a distribuição e a abundância da megafauna marinha no nordeste do Brasil, com ênfase em peixes-bois marinhos e seus potencias habitats de forrageio (prados de angiospermas marinhas), …
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Manatee Sound Localization: Performance Abilities, Interaural Level Cues, and Usage of Auditory Evoked Potential Techniques to Determine Sound Conduction Pathways
Three experiments investigated the ability and means by which Florida manatees determine sound source directionality. An eight-choice discrimination paradigm determined the sound localization abilities of two manatees within a 360° array of speakers. Five conditions were tested including a 3,000 …