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Artículo

Elemental concentrations in skin and internal tissues of Commerson’s dolphins (Cephalorhynchus commersonii) from subantarctic waters

Cáceres Saez, IrisIcon ; Ribeiro Guevara, Sergio; Prosser Goodall, Rae Natalie; Dellabianca, Natalia AndreaIcon ; Cappozzo, Humberto LuisIcon
Fecha de publicación: 02/2017
Editorial: Springer
Revista: Polar Biology
ISSN: 0722-4060
e-ISSN: 1432-2056
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ciencias Biológicas

Resumen

The skin of cetaceans is the most accessibletissue, and its sampling has been proposed as a noninvasivemethod to evaluate trace element concentrations in free-rangingpopulations. In the present work, concentrations ofessential (Cl, Na, K, Mg, Fe, Zn, Mn and Co), nonessential(As and Ag), and of unknown essentiality (Br, Rb and Cs)elements were determined in the skin from nine by-caughtCommerson´s dolphins (Cephalorhynchus commersonii)from Tierra del Fuego, Argentina. Skin correlations withinternal tissues (lung, liver, kidney and muscle) wereassessed to evaluate how the skin represents internal elementconcentration for monitoring purposes. Elementalcontents were analyzed by instrumental neutron activationanalysis (INAA). Regarding tissue distribution, skin hadthe highest concentration of Zn being two orders of magnitudehigher than internal tissues, while other elementssuch as Co and Rb had similar concentrations among tissues.High mean concentrations of Cl, Na, Mg, Br and Mnwere observed in the lung and liver. Our results support theuse of skin to evaluate Fe, Br and Rb concentrations ininternal tissues for biomonitoring purposes; however, otherelements did not show significant skin-to-tissue correlations.Overall, toxic element levels were far below concentrationsfound to cause harm in marine vertebrates. Thisstudy provided baseline data on elemental concentrationsin tissues of Commerson´s dolphins in subantarctic watersfrom the South Atlantic Ocean.
Palabras clave: Epidermis , Bycaught Dolphins , Trace Elements , Biomonitoring
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info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/48459
DOI: https://dx.doi.org/10.1007/s00300-016-1962-6
URL: https://link.springer.com/article/10.1007/s00300-016-1962-6
Colecciones
Articulos(CADIC)
Articulos de CENTRO AUSTRAL DE INVESTIGACIONES CIENTIFICAS
Articulos(MACNBR)
Articulos de MUSEO ARG.DE CS.NAT "BERNARDINO RIVADAVIA"
Citación
Cáceres Saez, Iris; Ribeiro Guevara, Sergio; Prosser Goodall, Rae Natalie; Dellabianca, Natalia Andrea; Cappozzo, Humberto Luis; Elemental concentrations in skin and internal tissues of Commerson’s dolphins (Cephalorhynchus commersonii) from subantarctic waters; Springer; Polar Biology; 40; 2; 2-2017; 351-364
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