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Fine-scale population structure of bottlenose dolphins (Tursiops truncatus) in tampa bay, Florida

Publication ,  Journal Article
Urian, KW; Hofmann, S; Wells, RS; Read, AJ
Published in: Marine Mammal Science
July 1, 2009

Some populations of coastal bottlenose dolphins (Tursiops truncatus) comprise discrete communities, defined by patterns of social association and long-term site fidelity. We tested the hypothesis that bottlenose dolphins in Tampa Bay, Florida, form a single community. The longitudinal study of dolphins in Sarasota Bay, adjacent to Tampa Bay, allowed us to ground-truth the definition of community and test whether our approach was robust to small sample sizes of resightings. We conducted photo-identification surveys in Tampa Bay during 1988-1993, and identified 102 dolphins with 10 or more sightings. We used hierarchical cluster analysis to examine the locations and association indices of these dolphins. We used analysis of variance (ANOVA) to test for differences in mean locations and determine whether mean coefficient of association (CoA) values within a community were higher than among communities. Dolphins in Tampa Bay clustered into five putative communities differing significantly in location and CoA values. Kernel estimates of the ranges of these five communities exhibited little overlap; some communities had no overlap at all. We conclude that five discrete communities of bottlenose dolphins exist in Tampa Bay and that such fine-scale structure may be a common feature of bottlenose dolphin populations throughout the southeastern United States. © 2008 by the Society for Marine Mammalogy.

Duke Scholars

Published In

Marine Mammal Science

DOI

EISSN

1748-7692

ISSN

0824-0469

Publication Date

July 1, 2009

Volume

25

Issue

3

Start / End Page

619 / 638

Related Subject Headings

  • Marine Biology & Hydrobiology
  • 4102 Ecological applications
  • 3109 Zoology
  • 3103 Ecology
  • 0608 Zoology
  • 0603 Evolutionary Biology
  • 0602 Ecology
 

Citation

APA
Chicago
ICMJE
MLA
NLM
Urian, K. W., Hofmann, S., Wells, R. S., & Read, A. J. (2009). Fine-scale population structure of bottlenose dolphins (Tursiops truncatus) in tampa bay, Florida. Marine Mammal Science, 25(3), 619–638. https://doi.org/10.1111/j.1748-7692.2009.00284.x
Urian, K. W., S. Hofmann, R. S. Wells, and A. J. Read. “Fine-scale population structure of bottlenose dolphins (Tursiops truncatus) in tampa bay, Florida.” Marine Mammal Science 25, no. 3 (July 1, 2009): 619–38. https://doi.org/10.1111/j.1748-7692.2009.00284.x.
Urian KW, Hofmann S, Wells RS, Read AJ. Fine-scale population structure of bottlenose dolphins (Tursiops truncatus) in tampa bay, Florida. Marine Mammal Science. 2009 Jul 1;25(3):619–38.
Urian, K. W., et al. “Fine-scale population structure of bottlenose dolphins (Tursiops truncatus) in tampa bay, Florida.” Marine Mammal Science, vol. 25, no. 3, July 2009, pp. 619–38. Scopus, doi:10.1111/j.1748-7692.2009.00284.x.
Urian KW, Hofmann S, Wells RS, Read AJ. Fine-scale population structure of bottlenose dolphins (Tursiops truncatus) in tampa bay, Florida. Marine Mammal Science. 2009 Jul 1;25(3):619–638.
Journal cover image

Published In

Marine Mammal Science

DOI

EISSN

1748-7692

ISSN

0824-0469

Publication Date

July 1, 2009

Volume

25

Issue

3

Start / End Page

619 / 638

Related Subject Headings

  • Marine Biology & Hydrobiology
  • 4102 Ecological applications
  • 3109 Zoology
  • 3103 Ecology
  • 0608 Zoology
  • 0603 Evolutionary Biology
  • 0602 Ecology