a global overview of exposure levels and biological effects of trace elements in penguins.trace elements are chemical contaminants that can be present almost anywhere on the planet. the study of trace elements in biotic matrices is a topic of great relevance for the implications that it can have on wildlife and human health. penguins are very useful, since they live exclusively in the southern hemisphere and represent about 90% of the biomass of birds of the southern ocean. the levels of trace elements (dry weight) in different biotic matrices of penguins were reviewed here. maps of ...201829079931
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