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

Author

Listed:
  • 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))

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

Suggested Citation

  • Katherine Comer Santos & Marielle Livesey & Marianne Fish & Armando Camargo Lorences, 2017. "Climate change implications for the nest site selection process and subsequent hatching success of a green turtle population," Mitigation and Adaptation Strategies for Global Change, Springer, vol. 22(1), pages 121-135, January.
    • Handle: RePEc:spr:masfgc:v:22:y:2017:i:1:d:10.1007_s11027-015-9668-6
    DOI: 10.1007/s11027-015-9668-6
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    References listed on IDEAS

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    1. M. Fuentes & M. Fish & J. Maynard, 2012. "Management strategies to mitigate the impacts of climate change on sea turtle’s terrestrial reproductive phase," Mitigation and Adaptation Strategies for Global Change, Springer, vol. 17(1), pages 51-63, January.
    2. J. Jourdan & M. Fuentes, 2015. "Effectiveness of strategies at reducing sand temperature to mitigate potential impacts from changes in environmental temperature on sea turtle reproductive output," Mitigation and Adaptation Strategies for Global Change, Springer, vol. 20(1), pages 121-133, January.
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