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Home on the range
Title
Home on the range: spatial ecology of Atlantic spotted dolphins (Stenella frontalis) in the Bahamas.
Creator
Augliere, Bethany., Charles E. Schmidt College of Science, Department of Biological Sciences
Abstract/Description
I examined summer home range use of Altantic spotted dolphins in the Bahamas from 1991-2004. Home ranges for 86 dolphins using the 95% Fixed Kernel Density (FKD) estimator averages 62.o km2+=22.96 km2 and ranged from 24.8 km2 to 148.4 km2. Older animals and males had the largest ranges. Home range size did not vary with female reproductive status. core areas were defined by the 50% FKD contour and averaged 10.32 km2 +=5.47 km2. Habitat use was different between reproductive states for females...
Show moreI examined summer home range use of Altantic spotted dolphins in the Bahamas from 1991-2004. Home ranges for 86 dolphins using the 95% Fixed Kernel Density (FKD) estimator averages 62.o km2+=22.96 km2 and ranged from 24.8 km2 to 148.4 km2. Older animals and males had the largest ranges. Home range size did not vary with female reproductive status. core areas were defined by the 50% FKD contour and averaged 10.32 km2 +=5.47 km2. Habitat use was different between reproductive states for females. Non-reproductively active (NRA) females used deeped habitat. Behavioral use of the home range varied spatially. The core area was an important foraging area for males and reproductively active females. NRA females foraged more outside their core area compared to the core area.
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Date Issued
2012
PURL
http://purl.flvc.org/FAU/3358277
Subject Headings
Social behavior of animals, Dolphins, Geographical distribution, Dolphins, Habitat
Format
Document (PDF)
Nutrition and habitat driven foraging of wild dolphins in the Bahamas
Title
Nutrition and habitat driven foraging of wild dolphins in the Bahamas: a recipe for prey.
Creator
Malinowski, Christopher R., Charles E. Schmidt College of Science, Department of Biological Sciences
Abstract/Description
Two sympatric dolphin species, Stenella frontalis and Tursiops truncatus, resident to Little Bahama Bank, Bahamas were found to mostly forage independent of one another, but occasionally foraged in mixed groups. Analysis of over 20 years of data revealed the degree of overlap to be minimal with spatially distinct regions identified for both species, environmental segregation based on depth, bottom type, temperature, and time of day. Results based on observational data indicated significant...
Show moreTwo sympatric dolphin species, Stenella frontalis and Tursiops truncatus, resident to Little Bahama Bank, Bahamas were found to mostly forage independent of one another, but occasionally foraged in mixed groups. Analysis of over 20 years of data revealed the degree of overlap to be minimal with spatially distinct regions identified for both species, environmental segregation based on depth, bottom type, temperature, and time of day. Results based on observational data indicated significant differences in group size and selected prey. For S. frontalis, lactating females had the most distinct diet, which differed from that of non-reproductively active (NRA) females. Pregnant females had ambiguous prey use results, but diet differences were revealed through nutritional analysis. Lactating females had a higher intake of all nutrients (% moisture, % lipid, % protein, and calories) than pregnant females but lower than NRA females. Mother and calf pairs selected prey for caloric and moisture values. The influence of calves on foraging groups was reflected through discrete differences in all nutrients. Males and females appeared to select the same major prey, but female prey use was much more diverse.
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Date Issued
2011
PURL
http://purl.flvc.org/FAU/3318668
Subject Headings
Dolphins, Habitat, Predatory marine animals, Ecology, Marine ecosystem management, Predation (Biology), Aquatic mammals, Behavior
Format
Document (PDF)
Preacher's Cave
Title
Preacher's Cave: developing a national heritage tourism site in Eluthera, Bahamas.
Creator
Day, Jane S., Dorothy F. Schmidt College of Arts and Letters, Department of Anthropology
Abstract/Description
Preacher's Cave, an archaeological site in North Eleuthera, Bahamas, is arguably one of the most important historical places in that country. This large cave, isolated in a natural setting, has long been associated in the popular imagination with the first English colonists who shipwrecked in the Bahamas in 1648 and laid the foundation for the modern nation. Before the present work, no systematic scientific archaeological work had ever been conducted at this site. While Project Director for...
Show morePreacher's Cave, an archaeological site in North Eleuthera, Bahamas, is arguably one of the most important historical places in that country. This large cave, isolated in a natural setting, has long been associated in the popular imagination with the first English colonists who shipwrecked in the Bahamas in 1648 and laid the foundation for the modern nation. Before the present work, no systematic scientific archaeological work had ever been conducted at this site. While Project Director for the Preacher's Cave archaeological investigations in 1991, 1992, 2005, 2006, and 2007, I acted as liaison between the Bahamian Government, local island constituents, and the team of scholars who accomplished the work, organizing all aspects of the excavations. By analyzing the recovered material assemblage from these excavations, we were able to prove that the seventeenth-century English Puritans not only used Preacher's Cave for shelter in the first period of colonization, but altered the natural rock formations of the cave for use as the first church in the Bahamas. These excavations, in conjunction with the written record, also suggest that the area surrounding the site is the location of the first free black community in the country. Finally the scientific investigation confirmed Preacher's Cave as a prehistoric burial spot for the Lucayan people who lived in the islands before Columbus landed in 1492. These burials are unique because they were recovered with grave goods and one of the five Lucayan burials appears to be a victim of human sacrifice. No where else in the country do these three compelling narratives come together and form the basis for the development of a National Heritage Tourism Site., But protecting an historic site and interpreting it for visitors in a country where tourism is one of the major industries can be challenging. This study summarizes past strategies that were successful in the development of a small museum on the nearby is Wells using the techniques of the public historian and public archaeologist to proceed with plans for the opening of Preacher's Cave as a national park. Discussions concerning constituents, park boundaries, access, and political realities in the twenty-first century Bahamas are considered while examining the larger concept of heritage and tourism as collaborative industries.
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Date Issued
2010
PURL
http://purl.flvc.org/FAU/1927305
Subject Headings
Excavations (Archaeology), Historic sites, Antiquities, Antiquities
Format
Document (PDF)