Concentraciones de metales pesados en el tejido cárdiaco, hepático y renal de la vaquita Phocoena sinus (Mammalia.Phocoenidae)

Abstract

SAMPLES OF HEART, KIDNEY AND LIVER FORM ONE SPECIMEN OF THE CETACEAN PHOCOENA SINUS THAT INHABIT THE WATERS OF THE UPPER GULF OF CALIFORNIA, WERE ANALYSED FOR NINE HEAVY METALS. THE RANGE OF CONCENTRATIONS IN THE THREE TYPES OF TISSUE, IN UG/G (DRY WEIGHT), WERE: CD, 0.2-0.3; CU, 11.7-55.5 NI, <0.4-0.7; ZN, 71-102; MN, 1.5-10.7; FE, 440-1113. ALL VALUES FOR CO, CR AND PB WERE BELOW THE LIMITS OF DETECTION,. WITH THE EXCEPTION OF CADMIUN, THE OTHER METALS (CU, MN, FE AND ZN) SHOWED, HIGHER LEVELS OF CONCENTRATION IN THE LIVER TISSUE.