Abstract：
:Congener specific 2,3,7,8-chlorinated PCDDs and PCDFs were determined in skin biopsies taken from sea lions (Otaria flavescens) living in two areas of the South-western Atlantic on the coast of Argentina (Mar del Plata and Punta Bermeja). This is the first report on PCDDs and PCDFs in sea lion skin biopsies from the southern hemisphere. Differences were found in the congener pattern according to the sampling area. Animals living in the polluted area (Mar del Plata harbour) had detectable levels of all seventeen 2,3,7,8-substituted congeners. Sea lions living in a control environment (Punta Bermeja, Patagonia) only exhibited 5 detectable congeners out of all seventeen 2,3,7,8-substituted congeners. However, total levels were low in both colonies studied. These data are consistent with previous work which has indicated that dioxins occur at relatively low levels in marine mammals, possibly due to rapid catabolism or elimination.
journal_name
Chemospherejournal_title
Chemosphereauthors
Jimènez B,Gonzàlez MJ,Hernández LM,Eljarrat E,Rivera J,Fossi MCdoi
10.1016/s0045-6535(98)00199-4subject
Has Abstractpub_date
1999-02-01 00:00:00pages
507-15issue
3eissn
0045-6535issn
1879-1298pii
S0045653598001994journal_volume
38pub_type
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