Trace Elements in Blood of Sea Turtles Lepidochelys olivacea in the Gulf of California, Mexico

  • A. A. Zavala-Norzagaray
  • C. P. Ley-Quiñónez
  • T. L. Espinosa-Carreón
  • A. Canizalez-Román
  • C. E. Hart
  • A. A. Aguirre


This study determined the concentrations of heavy metals in blood collected from Pacific Ridley sea turtles (Lepidochelys olivacea) inhabiting the coast of Guasave, Mexico, in the Gulf of California. The highest reported metal concentration in blood was Zn, followed by Se. Of nonessential toxic metals, As was reported in higher percentage compared to Cd. The concentrations of metals detected were present as follows: Zn > Se > Mn > As > Ni > Cd > Cu. Cd concentration in blood is higher in our population in comparison with other populations of L. olivacea, and even higher in other species of sea turtles. Our study reinforces the usefulness of blood for the monitoring of the levels of contaminating elements, and is easily accessible and nonlethal for sea turtles.


Heavy metals Cadmium Sea turtle Lepidochelys olivacea Gulf of California, Mexico 


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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • A. A. Zavala-Norzagaray
    • 1
    • 2
    • 5
  • C. P. Ley-Quiñónez
    • 3
  • T. L. Espinosa-Carreón
    • 1
  • A. Canizalez-Román
    • 2
    • 4
  • C. E. Hart
    • 5
    • 6
    • 7
  • A. A. Aguirre
    • 8
    • 9
  1. 1.Instituto Politécnico NacionalCIIDIR - SINALOAGuasaveMexico
  2. 2.Programa para el Doctorado en Biotecnologia, Facultad de Ciencias Quimico-BiologicasUniversidad Autónoma de SinaloaCuliacánMexico
  3. 3.Laboratorio Estatal de Salud PúblicaServicios de Salud de SinaloaCuliacánMexico
  4. 4.Facultad de MedicinaUniversidad Autónoma de SinaloaCuliacánMexico
  5. 5.Grupo Tortuguero de las Californias A.C.La PazMexico
  6. 6.Centro Universitario de la CostaUniversidad de GuadalajaraPuerto VallartaMexico
  7. 7.Red Tortuguera A.C.TepicMexico
  8. 8.Department of Environmental Science and PolicyGeorge Mason UniversityFairfaxUSA
  9. 9.Smithsonian-Mason School of ConservationFront RoyalUSA

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