Mercury is a unique element that, unlike many metals, has no essential biological function. It
is liquid at room temperature and is 13.6 times heavier than water. Its unique physical …

The widely accepted conceptual model of mercury (Hg) cycling in freshwater lakes
(atmospheric deposition and runoff of inorganic Hg, methylation in bottom sediments and …

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 …

Metal contamination associated with mining activities has been considered one of the main
environmental pollution problems in the Amazon region. Understanding the levels of metal …

This paper presents a review about mercury contamination and human exposure in the
Tapajós River basin (Brazil), one of the major tributaries of the Amazon impacted by …

The Amazonian indigenous peoples depend on natural resources to live, but human
activities' growing impacts threaten their health and livelihoods. Our objectives were to …

In recent decades, widespread and uncontrolled use of mercury (Hg) in artisanal small-scale
gold mining has released thousands of tons of mercury-contaminated waste in the Amazon …

This paper examines issues of human mercury (Hg) exposure and adverse health effects
throughout the Amazon region. An extensive review was conducted using bibliographic …

It is generally assumed that increased microbial diversity corresponds to increased catabolic
potential and, hence, to better removal of metabolites and pollutants. Yet, microbial diversity …

As the methylation of inorganic mercury to neurotoxic methylmercury has been attributed to
the activity of anaerobic bacteria, the formation of methylmercury in the oxic water column of …