[MARMAM] New paper about heavy metals in franciscana of Argentina

María Victoria Panebianco panebianco at macn.gov.ar
Sat May 19 08:16:57 PDT 2012

Dear all:

We are pleased to announce the publication of the
following article in JBSE (Journal of the Brazilian Society of 

The present study shows the considerable concentrations of heavy metals 
found in the liver of franciscana dolphins (n=24)
by-caught between 2001 and 2007 in four localities of Buenos Aires province. 
Concentration of heavy metals such as Zn,
Cu, Pb, Cd and Ni were manifested in the four assessed localities, yet Cr 
was only detected in one of them, Necochea city.
Differences according localities (Necochea and Claromecó) were found for Zn, 
Ni, Pb and Cu concentration. It was found that
Cd concentrations were significantly different between maturity stages, yet 
positive correlated with age, total length and body
weight. A positive correlation between Ni-Cd and a negative between Cu-Ni 
concentrations were registered. Based on these
results, it is feasible to conclude that, not only the area of origin, but 
also total length, age and mainly the feeding habit, have
taken part of this heavy metals accumulation in franciscana dolphins’ liver.

Available from: 

Best wishes.

Dra. María Victoria Panebianco
Postdoctoral Research felow
Lab. de Ecología, Comportamiento y Mamíferos Marinos (LECyMM)
Museo Argentino de Ciencias Naturales "Bernardino Rivadavia" (MACN-CONICET)
Av. Ángel Gallardo 470, C1405DJR, Buenos Aires, Argentina
Tel.: 54-11-4982-9410/6595 int.:211
Fax: 54-11-4982-5243/4494 
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