Gold mining as a source of mercury exposure in the Brazilian Amazon

O Malm - Environmental research, 1998 - Elsevier
Amalgamation has been used for more than 4500 years in mining processes. Mercury has
been extensively used in South America by Spanish colonizers for precious metal recovery …

A synthesis of mercury research in the Southern Hemisphere, part 1: Natural processes

L Schneider, JA Fisher, MC Diéguez, AH Fostier… - Ambio, 2023 - Springer
Recent studies demonstrate a short 3–6-month atmospheric lifetime for mercury (Hg). This
implies Hg emissions are predominantly deposited within the same hemisphere in which …

Total and methyl mercury distribution in water, sediment, plankton and fish along the Tapajós River basin in the Brazilian Amazon

AS Lino, D Kasper, YS Guida, JR Thomaz, O Malm - Chemosphere, 2019 - Elsevier
Mercury (Hg) is known as one of the major contaminants in the Amazon. The Tapajós River
basin, in the Brazilian Amazon, has diverse anthropogenic activities which increase Hg …

[图书][B] Mercury hazards to living organisms

R Eisler - 2006 - taylorfrancis.com
Complex and ever changing in its forms and functions, the element mercury follows a
convoluted course through the environment and up the food chain. The process is …

Mercury net methylation in five tropical flood plain regions of Brazil: high in the root zone of floating macrophyte mats but low in surface sediments and flooded soils

JRD Guimaraes, M Meili, LD Hylander… - Science of the Total …, 2000 - Elsevier
In aquatic systems, bottom sediments have often been considered as the main
methylmercury (MeHg) production site. In tropical floodplain areas, however, floating …

Organomercurials. Their formation and pathways in the environment

H Hintelmann - 2010 - books.rsc.org
The most important mercury species in the environment is monomethylmercury (MMHg), the
topic of this chapter. This organic mercury compound is normally not released into the …

O comportamento do metilmercúrio (metilHg) no ambiente

MC Bisinoti, WF Jardim - Química Nova, 2004 - SciELO Brasil
Methylmercury is the most hazardous mercury species known. Due to its high stability, lipid
solubility, and ionic properties, this compound shows a high ability to cross membranes in …

Linking microbial activities and low-molecular-weight thiols to Hg methylation in biofilms and periphyton from high-altitude tropical lakes in the Bolivian Altiplano

S Bouchet, M Goñi-Urriza, M Monperrus… - … science & technology, 2018 - ACS Publications
The sources and factors controlling concentrations of monomethylmercury (MMHg) in
aquatic ecosystems need to be better understood. Here, we investigated Hg transformations …

Mercury uptake into poplar leaves

M Assad, J Parelle, D Cazaux, F Gimbert, M Chalot… - Chemosphere, 2016 - Elsevier
Tailings dumps require mercury stabilization to prevent air pollution by evaporated mercury,
which can be achieved through plant covers. Plants are considered a net sink for …

Methylmercury in water, seston, and epiphyton of an Amazonian river and its floodplain, Tapajós River, Brazil

M Roulet, M Lucotte, JRD Guimarães… - Science of the Total …, 2000 - Elsevier
Levels and accumulation of MeHg were characterized in filtered water, suspended organo-
mineral matter, phytoplankton, zooplankton and epiphyton during the dry season and the …