It consists of large scale and productive oceanic areas. It also includes important areas of fishing as well as foraging and migration areas for turtles, seabirds and marine mammals. Politically, it includes provincial jurisdictions, territorial seas, and the exclusive economic zones of Brazil, Uruguay, Argentina, and Chile, as well as the surrounding international waters or high seas. To promote conservation in this vast area, we need to take a regional approach to promote cooperation among communities, organizations, scientists and authorities of the different countries and territories.