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Contaminant Removal and Precious Metal Recovery by Lateral Channel Filtration in Mining-Impacted Alluvial Floodplains
ArticleAbstract: Water quality impacts from artisanal and small-scale alluvial (placer) gold mining operations occurPalabras claves:alluvial gold, hyporheic, Mercury, Riverbank filtration, trace metalsAutores:Cesar A. Ron, Chica A., Eddy Pazmiño, Frederick L., Johnson W.P., Luis TapiaFuentes:scopusReconstruction of the mid-Holocene paleoclimate of the Ecuadorian Andean páramo at Tres Lagunas, Ecuador
ArticleAbstract: Previous paleoclimate studies have suggested a warm/dry event during the mid-Holocene in páramo vegePalabras claves:Charcoal, Holocene warm/dry period, Magnetic susceptibility, paleoenvironment, PollenAutores:Brunelle A., Frederick L., Johnson W.P., Morrison M., Patricio Javier Crespo-SánchezFuentes:googlescopus