The Ocean Acidification Symposium was presented by the Centre for Chemical and Physical Oceanography, in November of 2012. The day-long symposium featured brief presentations from a wide range of researchers, of which this is one:Dr Robert Strzepek talks about the way phytoplankton in the Southern Ocean have adapted to the limitations of iron available to them. Iron sources include drifting dust, melting of ice, eddies from coastlines.