6th International Symposium on Science, Health and Territorial, with the theme "One Health: perspectives and challenges", and the 6th Symposium on Integrated Crop Livestock Systems (ICLS) in southern Brazil - "ICLS challenges for the decade: Food production and ecosystem services", which will be held from 25 to 27 May 2021 at University of Planalto Catarinense in Lages, Serra Catarinense, in online mode.