Introduction

Venezuela, S. Elena de Uairen. 2010 Peru, La Oroya. 2009 Ecuador, Dayuma. 2011 Ecuador, El Eno. 2011 Chile, Caleta Tortel. 2012 Chile, Alto Bio Bio. 2012 Argentina, Iguazu. 2012 Venezuela, El Polaco. 2010 Brazil, Amazon. 2008 Ecuador, Dayuma. 2011 Ecuador, Lago Agrio. 2011 Ecuador, San Carlos. 2011 Brazil, Amazon. 2008 Chile, Atacama Desert. 2012 Venezuela, Amazon. 2010 Ecuador, Lago Agrio. 2011 Brazil, Santarem. 2008 Brazil, Amazon. 2008 Brazil, Santarem. 2008 Brazil, Tapajos River. 2008 Venezuela, Amazon. 2010 Ecuador, Amazon. 2011 Venezuela, Amazon. 2010 Peru, La Oroya. 2009 Ecuador. Amazon. 2011 Ecuador, Amazon. 2011 Chile, Patagonia. 2012 Brazil, Amazon. 2008 Chile, Chuquicamata. 2012 Bolivia, Uyuni Salt Desert. 2012 Argentina, Patagonia. 2012 Chile, Patagonia. 2012 Brazil, Santarem. 2008 Brazil, Amazon. 2008 Peru, La Oroya. 2009