Authors Dr Barbara Wienecke Dr Barbara Wienecke is a Senior Research Scientist at the Australian Antarctic Division. She has studied the foraging ecology of penguins and other seabirds for more than 20 years. Since 1993, she has spent many seasons in Antarctica, the subantarctic and South America, and has published the results of her work in international journals and books. Dr Wienecke is a member of the International Union for Conservation of Natures Penguin Specialist Group, and a member of the Agreement on the Conservation of Albatrosses and Petrels working groups. Dr Andrew Klekociuk Dr Andrew Klekociuk is a Principal Research Scientist and leader of the Atmosphere and Ice Sheet Section in the Science Branch of the Australian Antarctic Division. His active research interests include the interactions between ozone and climate, the role of clouds and aerosols in the climate of the Southern Ocean, and interactions between the tropics and Antarctica. He is a committee member of the International Ozone Commission. Dr Dirk Welsford Dr Dirk Welsford is a Senior Principal Research Scientist at the Australian Antarctic Division, (previously the Acting Chief Scientist), and Departmental Science Convenor at the Australian Government Department of Agriculture, Water and the Environment. His interests include the use of science and logic in developing resource use and conservation strategies; effective communication of science for use by policy makers; and the role of human relationships in effective environmental decision making. He has represented Australia at meetings for the Convention for the Conservation of Antarctic Marine Living Resources (CCAMLR) for over 15 years, and is currently the Chair of the CCAMLR Scientific Committee. Body Acknowledgements The authors are grateful for the assistance of the following contributors (all from the Australian Antarctic Division unless otherwise noted): Jonathon Barrington, Rhonda Bartley, Louise Bell (LiGHTBOX42), Dana Bergstrom, Kathryn Brown, Noel Carmichael (Tasmanian Parks and Wildlife Service), Sue Cook (University of Tasmania), Shavawn Donoghue (Katabatic Consulting), Mike Double, Tess Egan, Louise Emmerson, Ben Galton-Fenzi, James Fleming, Jax Fisher, Ursula Harris, Will Hobbs, Alex Fraser (University of Tasmania), Natalie Kelly, Cath King, Jonathan Kool, Pal Krummel (CSIRO), Mandi Livesey, Rob Massom, Julie McInnes, Ewan McIvor, Richard Mazurek, Joel Pedro, Phillip Reid (Bureau of Meteorology), Sharon Robinson (University of Wollongong), Andy Sharman, Gill Slocum, Colin Southwell, Tim Spedding, Jonny Stark, Tas van Ommen, Josh Van Limbeek, Jane Wasley, Lihini Weragoda and Phillipe Ziegler. We are also grateful for the support of Belinda Bauer, Roger Morrison, Bede Moses, Phillip Rofe and Kimberley Shields from the State of the Environment Section of the Australian Government Department of Agriculture, Water and the Environment, and the team at Biotext, especially Kylie Evans and Darren Goossens. We also thank the reviewers whose comments helped to improve the manuscript.