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Copper load in Mute Swans (Cygnus olor) found in Denmark.

1978; National Institutes of Health; Volume: 30; Issue: 6 Linguagem: Inglês

B. L. Clausen, C Wolstrup,

Mercury impact and mitigation studies

Organs from 91 Mule Swans were analyzed for copper and lead. Swans from an area known to be polluted with copper had an average copper content in their livers of nearly 1100 mg/kg or more than twice as much as swams from other parts of Denmark.