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Acoustic Production Rates in a Group of Captive Bottlenose Dolphins (Tursiops truncatus) Over Population Change

Permanent Link: http://ncf.sobek.ufl.edu/NCFE003832/00001

Material Information

Title: Acoustic Production Rates in a Group of Captive Bottlenose Dolphins (Tursiops truncatus) Over Population Change
Physical Description: Book
Language: English
Creator: Pressman, Evan J.
Publisher: New College of Florida
Place of Publication: Sarasota, Fla.
Creation Date: 2007
Publication Date: 2007

Subjects

Subjects / Keywords: Bottlenose Dolphin
Phonation
Vocalization
Genre: bibliography   ( marcgt )
theses   ( marcgt )
government publication (state, provincial, terriorial, dependent)   ( marcgt )
born-digital   ( sobekcm )
Electronic Thesis or Dissertation

Notes

Abstract: Bottlenose dolphins (Tursiops truncatus) are social animals that are especially dynamic in the way they produce and receive acoustic information in their aquatic environment. Observations of their acoustic productions have led to the identification of three main categories: whistles, echolocation clicks, and burst pulse sounds. Most productions can be placed in each of these categories based on spectral analyses of their acoustic properties. Research that reports baseline rates at which dolphins produce sounds of each category has not been made available in past work. The present work sought to establish baseline rates at which dolphins produce sounds of the three main categories over several conditions in which total population size and in-group pairings of individuals varied. Production rates were reported in a standardized format in terms of phonations/dolphin/minute. Results showed that production rates did not vary solely based on population size but did vary based on individual pairings and context. Echolocation click trains were the most common phonation followed by burst pulse sounds and whistles which occurred at about the same rate. Overall, the rates at which groups of bottlenose dolphins produce phonations were found to change in an manner that varies according to factors related to population increases, grouping conditions, and novel situations.
Statement of Responsibility: by Evan J. Pressman
Thesis: Thesis (B.A.) -- New College of Florida, 2007
Electronic Access: RESTRICTED TO NCF STUDENTS, STAFF, FACULTY, AND ON-CAMPUS USE
Bibliography: Includes bibliographical references.
Source of Description: This bibliographic record is available under the Creative Commons CC0 public domain dedication. The New College of Florida, as creator of this bibliographic record, has waived all rights to it worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law.
Local: Faculty Sponsor: Harley, Heidi

Record Information

Source Institution: New College of Florida
Holding Location: New College of Florida
Rights Management: Applicable rights reserved.
Classification: local - S.T. 2007 P93
System ID: NCFE003832:00001

Permanent Link: http://ncf.sobek.ufl.edu/NCFE003832/00001

Material Information

Title: Acoustic Production Rates in a Group of Captive Bottlenose Dolphins (Tursiops truncatus) Over Population Change
Physical Description: Book
Language: English
Creator: Pressman, Evan J.
Publisher: New College of Florida
Place of Publication: Sarasota, Fla.
Creation Date: 2007
Publication Date: 2007

Subjects

Subjects / Keywords: Bottlenose Dolphin
Phonation
Vocalization
Genre: bibliography   ( marcgt )
theses   ( marcgt )
government publication (state, provincial, terriorial, dependent)   ( marcgt )
born-digital   ( sobekcm )
Electronic Thesis or Dissertation

Notes

Abstract: Bottlenose dolphins (Tursiops truncatus) are social animals that are especially dynamic in the way they produce and receive acoustic information in their aquatic environment. Observations of their acoustic productions have led to the identification of three main categories: whistles, echolocation clicks, and burst pulse sounds. Most productions can be placed in each of these categories based on spectral analyses of their acoustic properties. Research that reports baseline rates at which dolphins produce sounds of each category has not been made available in past work. The present work sought to establish baseline rates at which dolphins produce sounds of the three main categories over several conditions in which total population size and in-group pairings of individuals varied. Production rates were reported in a standardized format in terms of phonations/dolphin/minute. Results showed that production rates did not vary solely based on population size but did vary based on individual pairings and context. Echolocation click trains were the most common phonation followed by burst pulse sounds and whistles which occurred at about the same rate. Overall, the rates at which groups of bottlenose dolphins produce phonations were found to change in an manner that varies according to factors related to population increases, grouping conditions, and novel situations.
Statement of Responsibility: by Evan J. Pressman
Thesis: Thesis (B.A.) -- New College of Florida, 2007
Electronic Access: RESTRICTED TO NCF STUDENTS, STAFF, FACULTY, AND ON-CAMPUS USE
Bibliography: Includes bibliographical references.
Source of Description: This bibliographic record is available under the Creative Commons CC0 public domain dedication. The New College of Florida, as creator of this bibliographic record, has waived all rights to it worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law.
Local: Faculty Sponsor: Harley, Heidi

Record Information

Source Institution: New College of Florida
Holding Location: New College of Florida
Rights Management: Applicable rights reserved.
Classification: local - S.T. 2007 P93
System ID: NCFE003832:00001

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