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Satellite Tracking

Why did animal X stop transmitting?

Kathy - Conservancy of SW Florida Keewaydin Island Turtle Tracking Project - Subprogram

A project of Conservancy of Southwest Florida.

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Background

We encountered Kathy at around 11:00 pm on July 7 while she was nesting. She proved to be another loggerhead that had not previously been seen nesting on the Keewaydin beach; a neophyte. She was carrying no flipper tags or evidence of being previously flipper tagged. Neither did our bar code reader detect a PIT. Her carapace was relatively free of fouling organism so, it being late in the nesting season and the night still relatively young, we decided to deploy our last satellite tag on this turtle. We thought it might rain on us at one point, but it cleared up and we released her at 2:05 am.

It turned out that this was the only nest she laid on the island in 2016. Unfortunately, the nest was flooded by the high tides and waves generated by what eventually became Hurricane Hermine. The storm was slow moving and flooded a lot of nests of which Kathy’s was one of many. None of the 120 eggs we found in her nest hatched.

Kathy has proven to be quite the wanderer. After she left Keewaydin, she stayed in the area for a few more weeks before migrating to Bahamian waters. She is currently on the Great Bahamas Bank about 60 miles west southwest of the southern end of Andros Island. That’s around 270 miles from Keewaydin Island. It is not yet clear whether or not she will stay in the area. We’ll have to wait and see what her sat tag tells us.

Funding for Kathy’s satellite tag was generously provided by Dale Chlumsky. The continuation of this satellite tracking project would not be possible without supporters and members of the Conservancy of Southwest Florida. Portions of this project have also been funded through a series of grants from the Marine Turtle Grants Program, which is ably administered by The Sea Turtle Conservancy. Our sincere thanks to you all!

  • 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) '3', '2', '1', '0', 'A', 'B'. Locations that have been "filtered" are displayed as small red dots.
  • This maps also shows locations of class '4', 'Z', 'X' 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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