TY - JOUR
T1 - Baseline heavy metals and metalloid values in blood of loggerhead turtles (Caretta caretta) from Baja California Sur, Mexico
AU - Ley-Quiñónez, C.
AU - Zavala-Norzagaray, A. A.
AU - Espinosa-Carreón, T. L.
AU - Peckham, H.
AU - Marquez-Herrera, C.
AU - Campos-Villegas, L.
AU - Aguirre, A. A.
N1 - Funding Information:
This work was supported by CIIDIR-SIN, IPN GRUPO TORTUGUERO and EcoHealth Alliance (formerly known as Wildlife Trust). The first author acknowledges the participation of Rodolfo, Gaspar, and Rodrigo Rangel. This research was performed under Mexican regulations and laws under permit provided by SEMARNAT (Secretaría de Medio Ambiente y Recursos Naturales) No. of permission SGPA/DGVS/03481/09. Partial funding was provided by Project SIP-IPN 20090831.
PY - 2011/9
Y1 - 2011/9
N2 - Environmental pollution due to heavy metals is having an increased impact on marine wildlife accentuated by anthropogenic changes in the planet including overfishing, agricultural runoff and marine emerging infectious diseases. Sea turtles are considered sentinels of ecological health in marine ecosystems. The objective of this study was to determine baseline concentrations of zinc, cadmium, copper, nickel, selenium, manganese, mercury and lead in blood of 22 clinically healthy, loggerhead turtles (Caretta caretta), captured for several reasons in Puerto López Mateos, Baja California Sur, Mexico. Zinc was the most prevalent metal in blood (41.89μgg -1), followed by Selenium (10.92μgg -1). The mean concentration of toxic metal Cadmium was 6.12μgg -1 and 1.01μgg -1 respectively. Mean concentrations of metals followed this pattern: Zn>Se>Ni>Cu>Mn>Cd>Pb and Hg. We can conclude that blood is an excellent tissue to measure in relatively non-invasive way baseline values of heavy metals in Caretta caretta.
AB - Environmental pollution due to heavy metals is having an increased impact on marine wildlife accentuated by anthropogenic changes in the planet including overfishing, agricultural runoff and marine emerging infectious diseases. Sea turtles are considered sentinels of ecological health in marine ecosystems. The objective of this study was to determine baseline concentrations of zinc, cadmium, copper, nickel, selenium, manganese, mercury and lead in blood of 22 clinically healthy, loggerhead turtles (Caretta caretta), captured for several reasons in Puerto López Mateos, Baja California Sur, Mexico. Zinc was the most prevalent metal in blood (41.89μgg -1), followed by Selenium (10.92μgg -1). The mean concentration of toxic metal Cadmium was 6.12μgg -1 and 1.01μgg -1 respectively. Mean concentrations of metals followed this pattern: Zn>Se>Ni>Cu>Mn>Cd>Pb and Hg. We can conclude that blood is an excellent tissue to measure in relatively non-invasive way baseline values of heavy metals in Caretta caretta.
KW - Baja California Sur
KW - Cadmium
KW - Caretta caretta
KW - Heavy metals
KW - Loggerhead turtle
KW - Mexico
KW - Selenium
KW - Zinc
UR - http://www.scopus.com/inward/record.url?scp=80051825567&partnerID=8YFLogxK
U2 - 10.1016/j.marpolbul.2011.06.022
DO - 10.1016/j.marpolbul.2011.06.022
M3 - Artículo
C2 - 21788056
SN - 0025-326X
VL - 62
SP - 1979
EP - 1983
JO - Marine Pollution Bulletin
JF - Marine Pollution Bulletin
IS - 9
ER -