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Using unmanned aerial vehicle (UAV) surveys and traditional methods to examine influences on loggerhead sea turtle (Caretta caretta) nest site selection
Title
Using unmanned aerial vehicle (UAV) surveys and traditional methods to examine influences on loggerhead sea turtle (Caretta caretta) nest site selection.
Creator
Manestar, Summer, Briggs, Tiffany Roberts, Florida Atlantic University, Department of Geosciences, Charles E. Schmidt College of Science
Abstract/Description
This study examined the environmental and anthropogenic factors that may influence loggerhead sea turtle nest site selection and how these factors vary between successful nesting attempts and false crawls on a high-density sea turtle nesting beach in Boca Raton, Florida. Beach morphology, sand texture, and nests’ proximity to artificial structures were measured using a combination of drone-based photogrammetry, traditional surveys with Real Time Kinematic Global Positioning System (RTK GPS),...
Show moreThis study examined the environmental and anthropogenic factors that may influence loggerhead sea turtle nest site selection and how these factors vary between successful nesting attempts and false crawls on a high-density sea turtle nesting beach in Boca Raton, Florida. Beach morphology, sand texture, and nests’ proximity to artificial structures were measured using a combination of drone-based photogrammetry, traditional surveys with Real Time Kinematic Global Positioning System (RTK GPS), and sediment granulometry. Proximity to dune crossover stairs was significantly different between nests and false crawls, and the probability of a false crawl occurring decreased as proximity to dune crossover stairs increased. The results of this study will provide researchers with a new tool for nest monitoring and a better understanding of the microhabitat cues that may influence loggerhead sea turtle nest site selection and aid in guiding beach and sea turtle management decisions.
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Date Issued
2023
PURL
http://purl.flvc.org/fau/fd/FA00014184
Subject Headings
Loggerhead sea turtles, Drone aircraft, Sea turtles--Nests, Geomorphology
Format
Document (PDF)