Total Mercury in Plant Tissue from a Mining Landscape in Western Mexico
| Autor: | Luis H. Escalera-Vázquez, Erick de la Barrera, Verónica Osuna-Vallejo, Cuauhtémoc Sáenz-Romero, Roberto Lindig-Cisneros |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
Silver
Health Toxicology and Mutagenesis ved/biology.organism_classification_rank.species chemistry.chemical_element 010501 environmental sciences Toxicology Zea mays complex mixtures 01 natural sciences Shrub Mining Trees Ecotoxicology Mexico 0105 earth and related environmental sciences ved/biology Forestry Mercury 04 agricultural and veterinary sciences General Medicine Pinus Wood Pollution Tailings Plant tissue Mercury (element) Biosequestration chemistry Juniperus 040103 agronomy & agriculture 0401 agriculture forestry and fisheries Environmental science Environmental Pollutants Gold Environmental Monitoring |
| Zdroj: | Bulletin of Environmental Contamination and Toxicology. 102:19-24 |
| ISSN: | 1432-0800 0007-4861 |
| DOI: | 10.1007/s00128-018-2488-0 |
| Popis: | Environmental impacts of mining activities are well known, particularly on-site degradation, but long term effects are less known. Mercury content from vegetation samples from a mine dump and surrounding forests was quantified for understanding the fate of this element in the local the environment. The study area, Tlalpujahua, Michoacán, México, has a mining history going back more than 400 years. Including gold and silver extraction by means of mercury amalgamation for 352 years (1554-1906). Mercury was present in all sampled materials. The highest values correspond to wood samples from the mine dump (13.84 ± 3.88 ppm), while wood samples from adjacent forests had 4.3 ± 2.4 ppm, almost twice as much as coniferous needles, shrub leaves and corn seeds (2.2 ± 0.34 ppm). The highest concentration was found for J. deppeana wood (16.05 ± 2.3 ppm). The capacity of accumulating mercury by Juniperus trees when growing on the mine dumps suggests that this species has a potential to be used for biosequestration purposes. |
| Databáze: | OpenAIRE |
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