About the Authors

David M. Watson

dwatson@csu.edu.au

Affiliation Charles Sturt University, Albury, New South Wales, Australia

Susan E. Anderson

Affiliation Charles Sturt University, Albury, New South Wales, Australia

Valerie Olson

Current address: Care Quality Commission, London, England

Affiliation Zoological Society of London, London, England

for the Institute for Land, Water and Society

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DMW SEA. Performed the experiments: DMW SEA. Analyzed the data: DMW SEA VO. Contributed reagents/materials/analysis tools: DMW VO. Wrote the paper: DMW SEA VO.