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Satellite Tracking

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Mistah Larry - Ten Thousand Islands - Kemp's ridleys

A project of Conservancy of Southwest Florida.

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Background

Mistah Larry measured 60 cm curved carapace length. He is approaching adult size as the smallest nesting female for the species was 59 cm and a length of 60 cm straight carapace length is used for denoting maturity. Earlier tracking efforts in Charlotte Harbor found that larger (> 50 cm) Kemp's ridleys had a tendency to move offshore and back inshore, perhaps exploring the the benthic habitat of adult turtles in deeper waters. Mistah Larry moved approximately 13 km (8 miles) southward off the tip of Cape Romano after release and then moved back inshore to the east of the Cape. He made another trip offshore in early January and then returned inshore but then traveled up to 45 km (28 miles) south of the Cape following a strong cold front and lower water temperatures. Mistah Larry once gain moved inshore by mid-January and soon followed by movement offshore. He then moved 71 km (44 miles) south of Cape Romano in early February and then quickly returned inshore... again. Mistah Larry then changed this pattern and headed westward in mid-February. As of mid-February, he was 58 km (36 miles) offshore the Cape Romano complex. Mistah Larry moved to 38 km (22 miles) off of Naples and then up to an area south of Sanibel Island by the end of the month. In early March, he may have moved around the backside of Sanibel (difficult to say given locational accuracy of satellite fixes) and into Pine Island Sound which was the site of earlier satellite tracking studies studies in Charlotte Harbor National Estuary. Mistah Larry then moved offshore of Captiva Island and continued up the coast to Captiva Pass before moving back south of Sanibel Island. He continued backtracking along the coast and returned to Gullivan Bay before heading 32 km (20 miles) offshore Cape Romano by mid-March. Mistah Larry headed back into the bay again and then moved to inshore waters off Marco Island by the end of March. The turtle is named in memory of Larry Ogren and honoring his initiation of in-water marine turtle research in western Florida 30 years ago.

  • The presentation of data here does not constitute publication. All data remain copyright of the project partners. Maps or data on this website may not be used or referenced without the explicit written consent of the data owners.
  • For more information please visit the project website.
  • This map connects positions generated by the ARGOS system designated as location class (lc) '4', '3', '2', '1', '0', 'A', 'B'. Locations that have been "filtered" are displayed as small red dots.
  • This maps also shows locations of class 'A' as small black dots which are not connected by a route line.
  • Bathymetry layers are derived from the GEBCO One Minute Grid.
  • Sea surface temperature and chlorophyll are derived from NASA's Ocean Color data.
  • Ocean currents and sea surface heights are derived from AVISO's Ssalto/Duacs Gridded Absolute Dynamic Topography & absolute geostrophic velocities data.

SEATURTLE.ORG collaborates with Argos to help scientists and conservationists manage and analyse their valuable animal tracking data.

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