The papers in this special section are the product of some of the papers that participated in the VI Conferencia Panamericana de Sistemas de Humedales para el tratamiento y mejoramiento de la calidad del agua (Conference on Wetland Systems for the treatment and improvement of water quality), held between 15 and 18 May 2018 in Lima, Peru.
The publication of these papers aims to disseminate knowledge about constructed and natural wetlands in Latin America.