The researchers Alexandre Campos and Mário Araujo from CIIMAR, visited the Department of Biology, University of San Agustin de Arequipa (UNSA), in May 2022. The mission aimed to continue the research work on the assessment of water quality in lakes El Pañe and Aguada Blanca, together with the research team led by Prof. Cesar Ranilla from UNSA. The collaborations was very fruitful, involved several young researchers (Bachelor and master students) and professors from UNSA.