| application of brown bear (ursus arctos) records for retrospective assessment of mercury. | because mercury (hg) is released into the atmosphere, wildlife living in habitats located far from point sources of metal may still be at risk. mercury accumulation, previously considered a risk for aquatic ecosystems, is also found in many wildlife terrestrial species. the aim of the present study was to examine total hg concentrations in the brown bear (ursus arctos) by measurement of metal in hair from museum collections in iran. another objective of this investigation was to characterize the ... | 2015 | 25734629 |