| mercury pollution by gold mining in a global biodiversity hotspot, the choco biogeographic region, colombia. | mercury (hg) is a harmful pollutant released into the environment from gold mining activities, representing a risk to human health and the ecosystems. the aim of this study was to assess the levels of total hg (t-hg) in human hair, fish, sediments and air; and to determine fish consumption-based risks for t-hg ingestion in the choco biogeographic region, a global biodiversity hotspot located at the colombian pacific. mercury concentrations in hair were measured in two locations, quibdo, the stat ... | 2018 | 29154117 |