Marine Biology

, Volume 159, Issue 1, pp 113–125 | Cite as

Migration, distribution, and diving behavior of adult male loggerhead sea turtles (Caretta caretta) following dispersal from a major breeding aggregation in the Western North Atlantic

  • Michael D. Arendt
  • Albert L. Segars
  • Julia I. Byrd
  • Jessica Boynton
  • Jeffrey A. Schwenter
  • J. David Whitaker
  • Lindsey Parker
Original Paper

Abstract

Sixteen satellite-tagged adult male loggerhead sea turtles (Caretta caretta) dispersed widely from an aggregation near Port Canaveral, Florida, USA (28°23′N, −80°32′W) after breeding. Northbound males migrated further (990 ± 303 km) than southbound males (577 ± 168 km) and transited more rapidly (median initial dive duration = 6 (IQR = 4–16) versus 19 (IQR = 10–31) min, respectively).. Migration occurred along a depth corridor (20–40 m) except where constricted by a narrow continental shelf width. Males foraged in areas 27 ± 41 km2 day−1 at locations <1–80 km from shore for 100.1 ± 60.6 days, with variability in foraging patterns not explained by turtle size or geography. Post-breeding dispersal patterns were similar to patterns reported for adult female loggerhead sea turtles in this region and adult male loggerhead sea turtles elsewhere in the northern hemisphere; however, foraging ground distributions were most similar to adult female loggerhead sea turtles in this region.

Supplementary material

227_2011_1826_MOESM1_ESM.doc (36 kb)
Supplementary material 1 (DOC 35 kb)

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Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  • Michael D. Arendt
    • 1
  • Albert L. Segars
    • 1
  • Julia I. Byrd
    • 1
  • Jessica Boynton
    • 1
  • Jeffrey A. Schwenter
    • 1
  • J. David Whitaker
    • 1
  • Lindsey Parker
    • 2
  1. 1.Marine Resources DivisionSouth Carolina Department of Natural ResourcesCharlestonUSA
  2. 2.University of Georgia, Marine Extension ServiceBrunswickUSA

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