The Department of Oceanography and Center COPAS Sur-Austral of the University of Concepcion, Chile, are pleased to announce the Austral Summer Institute XVIII (ASI XVIII). ASI XVIII will be held in January 2018 and is comprised of 5 courses on the themes "Numerical modeling tools to understand physical and biological processes in mid and high latitude marine ecosystems" and "Ecology and Diversity of Marine Microorganisms"(ECODIM X).