Climate change implications for the nest site selection process and subsequent hatching success of a green turtle population

Katherine Comer Santos (), Marielle Livesey (), Marianne Fish () and Armando Camargo Lorences ()
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Katherine Comer Santos: The Science Exchange International Internship Program and San Diego State University
Marielle Livesey: Antioch University New England
Marianne Fish: WWF Canada
Armando Camargo Lorences: Comité Estatal de Tortugas Marinas de Quintana Roo (CETMQROO)

Mitigation and Adaptation Strategies for Global Change, 2017, vol. 22, issue 1, No 8, 135 pages

Abstract: Abstract Sandy beach habitat where sea turtles nest will be affected by multiple climate change impacts. Before these impacts occur, knowledge of how nest site selection and hatching success vary with beach microhabitats is needed to inform managers on how to protect suitable habitats and prepare for scientifically valid mitigation measures at beaches around the world. At a highly successful green turtle (Chelonia mydas) rookery at Akumal, Quintana Roo, Mexico, we measured microhabitat characteristics along the beach crawl (rejected sites) and related nest site conditions (selected sites) to subsequent hatching success rates for 64 nesting events. To our knowledge, this is the first study to report environmental data along the nesting crawl for a green turtle population and the first to use natural breaks in the data to describe their preferred habitat ranges. Our results indicate that turtles were likely using a combination of cues to find nest sites, mainly higher elevations and lower sand surface temperatures (Kruskal-Wallis test, H = 19.84, p

Keywords: Climate change; Green sea turtles; Nest site selection; Hatching success; Management strategies (search for similar items in EconPapers)
Date: 2017
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DOI: 10.1007/s11027-015-9668-6

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