Impacts of converting low-intensity pastureland to high-intensity bioenergy cropland on the water quality of tropical streams in Brazil Solange Filoso, Ricardo Hideo Taniwaki, Carla Cristina Cassiano, Silvio Frosini de Barros Ferraz, Plínio Barbosa de Camargo, Luiz Antônio Martinelli Science of The Total Environment April 15, 2017