About the Authors
- Peter T. Fretwell
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* E-mail: ptf@bas.ac.uk
Affiliation British Antarctic Survey, Cambridge, United Kingdom
- Phil N. Trathan
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Affiliation British Antarctic Survey, Cambridge, United Kingdom
- Barbara Wienecke
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Affiliation Australian Antarctic Division, Hobart, Tasmania, Australia
- Gerald L. Kooyman
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Affiliation Scripps Institution of Oceanography, University of California San Diego, La Jolla, California, United States of America
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: PTF PNT BW GLK. Performed the experiments: PTF. Analyzed the data: PTF BW. Contributed reagents/materials/analysis tools: PTF. Wrote the paper: PTF PNT BW GLK.