Resumen

By applying mathematical approaches we studied the distribution of copper in organs and tissues of Alburnus alburnus and Perca fluviatilis from Topolnitsa Dam Lake. A deposit of the metal in the kidneys and liver was recorded. We found out that the surveyed species are macroconcentrators of cadmium and zinc and there is a process biomagnification of heavy metals in the trophic levels.

Palabras clave: Pices Alburnus alburnus Perca fluviatilis heavy metals transfer.

2013-11-13   |   379 visitas   |   Evalua este artículo 0 valoraciones

Vol. 1 Núm.1. Noviembre 2009 Pags. 15-20 Ecologia Balkanica 2009; 1(1)