Distribution of metals and trace elements in adult and juvenile penguins from the Antarctic Peninsula area

Authors
Jerez, Silvia; Motas, Miguel; Benzal, Jesus; Diaz, Julia Inés; Vidal, Virginia; D'Amico, Veronica; Barbosa, Andres
Publication Year
2013
Language
English
Format
article
Status
Published version
Description
The presence of metals in the Antarctic environment is a natural phenomenon caused by geochemical characteristics of the region, however some anthropogenic activities can increase these natural levels. Antarctic penguins present several characteristics to become useful sentinels of pollution in Antarctica and can give away phenomena of accumulation and magnification of toxic metals. Concentrations of Al, Cr, Mn, Fe, Ni, Cu, Zn, As, Se, Cd and Pb were determinated by ICP-MS in liver, kidney, muscle, bone, feather and stomach contents of gentoo, chinstrap and Adélie penguin (12 adults, 5 juveniles) collected opportunistically in the Antarctic Peninsula area. The obtained results showed that bioaccumulation and biomagnification phenomena of several metals are ocurring, so that Cd and Se reached leves potentially toxic in some penguin specimens. The presence of human activities in Antarctica seems to be increasing the presence of toxic metals such as Mn, Cr, Ni or Pb in penguins.
Fil: Jerez, Silvia. Universidad de Murcia; España;
Fil: Motas, Miguel. Universidad de Murcia; España;
Fil: Benzal, Jesus. CSIC. Estación Experimental de Zonas Áridas; España;
Fil: Diaz, Julia Inés. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro CientíficoTecnológico - CONICET - la Plata. Centro de Est.parasitol.y de Vectores (i); Argentina;
Fil: Vidal, Virginia. Universidad de Murcia; España;
Fil: D'Amico, Veronica. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagonico; Argentina;
Fil: Barbosa, Andres. CSIC. Estación Experimental de Zonas Áridas; España;
Subject
HEAVY METALS
TRACE ELEMENTS
POLLUTION
ANTARCTIC PENGUINS
ANTARCTIC PENINSULA
Zoología, Ornitología, Entomología, Etología
Ciencias Biológicas
CIENCIAS NATURALES Y EXACTAS
Access level
Restricted access
License
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repository
CONICET Digital (CONICET)
Institution
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identifier
oai:ri.conicet.gov.ar:11336/1720