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Person

Kelsey (Contractor) E Roberts

Researcher
Wetland and Aquatic Research Center

Email: kroberts@contractor.usgs.gov
Office Phone: 954-377-5911

Supervisor: Kristen M Hart
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This dataset contains surface dive times, defined as 0-2 m in the water column, for three species of sea turtles (Kemp's ridleys, loggerheads, and green turtles) tracked via satellite telemetry in the Gulf of Mexico during periods within 2010-2019. It contains information on turtle species, location, proportion of time in "surface" bins, region of the Gulf of Mexico, corresponding remotely-sensed variables at specific locations/times (i.e., sea surface temperature, sea surface temperature anomalies, salinity, current direction, sea surface height), depth, and distance to shore. This dataset thus allows estimation of time each turtle spent at the surface in various sites in the Gulf of Mexico.
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This dataset contains all input parameters required to perform integrated step selection analysis (iSSA) to quantify marine turtle habitat selection relative to marine protected areas throughout coastal Florida and the Gulf of Mexico. The iSSA is a flexible approach to compare the environmental attributes of observed steps (the linear segment connecting two consecutive observed positions of an animal) against a group of alternative steps taken from the same starting location. Information contained in the dataset includes original PIT (passively induced transponder, a unique identifier for each turtle), step ID, step length and log of the step length, turning angle and cosine of turning angle, start and end date...
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