Dear colleagues, we are pleased to announce and invite you to participate in the following symposium, to be held as part of the IBAC program (Pirinópolis, Brazil, Sept 8 - 13): Marine Bioacoustics in the XXI century: integrating new technologies to conservation and ecological studies Organizer: Dr. Marcos Rossi-Santos (TAUASSU Ambiental/ Unijorge, Brazil) Marine Bioacoustics is an open research field for the future, contributing to understand the ecological processes involving marine animal sensitivity to sounds and how economic development could affect their survival. This symposium aims to offer an overview about new techniques to increase our knowledge of the marine ecosystem. Check out more information at www.ibacbrazil.com Best whishes, Marcos Rossi-Santos www.tauassu.com.br