Methylmercury Concentrations in Six Fish Species from Two Colombian Rivers |
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| Authors: | Santiago?Alvarez,Ashley?M.?Jessick,Jaime?A.?Palacio,Alan?S.?Kolok mailto:akolok@unomaha.edu" title=" akolok@unomaha.edu" itemprop=" email" data-track=" click" data-track-action=" Email author" data-track-label=" " >Email author |
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| Affiliation: | 1.Grupo de Investigación en Gestión y Modelación Ambiental-GAIA,Universidad de Antioquia,Medellín,Colombia;2.Corporación para Investigaciones Biológicas,Unidad de Biodiversidad,Medellín,Colombia;3.Corporación Académica Ambiental de la Universidad de Antioquia,Medellín,Colombia;4.Department of Environmental, Agricultural and Occupational Health,University of Nebraska Medical Center,Omaha,USA;5.Department of Biology,University of Nebraska at Omaha,Omaha,USA |
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| Abstract: | ![]()
The objective of this study was to determine whether fish collected from the La Miel or Nechí Rivers (Colombia) differed in muscle methyl mercury (meHg) concentration. Two fish from six different species were collected from markets adjacent to each river. Overall, fish collected from the market adjacent to the Nechí River contained higher levels of meHg. This result however is being driven by very high meHg concentrations in four individual fish, three of which are Pimelodid, long-whiskered catfish. These catfish may represent ideal sentinel organism for the detection of meHg contamination in Colombian rivers. |
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