Will the gold boom lead to a rainforest bust?

Gold mining can pollute water sources and have an impact far from its location, for example, elevating mercury concentrations in humans hundreds of kilometres away. Ecosystems may be affected by increased sedimentation in water bodies, heightened wildlife stress due to mercurial biomagnification, noise pollution, increased hunting and the degradation of vegetation due to various chemical pollutants, according to the team 
http://environmentalresearchweb.org/cws/article/news/59832