1. Institute of Marine and Antarctic Studies, University of Tasmania, Hobart, Australia
2. Latitude 42 Environmental Consultants Pty Ltd, Kettering, Australia
3. Fenner School, Australian National University, Canberra, Australia
4. Australian Antarctic Division, Channel Highway, Hobart, Australia
5. National Institute of Water & Atmospheric Research Ltd, Riccarton, New Zealand
6. National Institute of Water & Atmospheric Research Ltd, Wellington, New Zealand