Title:Diversidad de grupos funcionales basados en la morfología del fitoplancton en humedales de la Orinoquia colombiana = - Functional group diversity based on the morphology of phytoplankton in wetlands of the colombian orinoquia / Functional group diversity based on the morphology of phytoplankton in wetlands of the colombian orinoquia
Title:Molecular systematics of the freshwater stingrays (Myliobatiformes: potamotrygonidae) of the Amazon, Orinoco, Magdalena, Esequibo, Caribe and Maracaibo basins (Colombia-Venezuela) - evidence from mitochondrial genes