1. Environmental Futures Research Institute, Southern Ocean Persistent Organic Pollutants Program (SOPOPP), Griffith School of Environment, Griffith University, 170 Kessels Road, Nathan, Queensland 4111, Australia
2. School of Life Sciences, Faculty of Science, University of Technology Sydney, 15 Broadway, Ultimo, New South Wales 2007, Australia
3. Australian Antarctic Division, Department of the Environment and Energy, 203 Channel Highway, Kingston, Tasmania 7050, Australia
4. School of Biological Sciences, Moreton Bay Research Station, University of Queensland, North Stradbroke Island, Queensland 4183, Australia