| mercury, cadmium, lead and selenium in ringed seals (phoca hispida) from the baltic sea and from svalbard. | the concentrations of mercury (hg), cadmium (cd), lead (pb) and selenium (se) were determined in liver, kidney and muscle samples from 20 baltic ringed seals (phoca hispida botnica) (3-32 years), and from 17 ringed seals (phoca hispida) (0-20 years) from svalbard, in the arctic. the concentrations of hg and se were considerably higher in the baltic ringed seals, but the cd concentrations lower than in the svalbard ringed seals. there was no big geographical difference with respect to pb concentr ... | 2001 | 11202754 |