1. School
of Chemical and Petroleum Engineering, Curtin University, GPO Box U1987, Perth, Western Australia 6845, Australia
2. Department
of Parks and Wildlife, Government of Western Australia, Locked Bag 104, Bentley
Delivery Centre, Western Australia 6983, Australia
3. Commonwealth Scientific and Industrial Research Organisation (CSIRO) Land and Water, Private Bag 12, Hobart, Tasmania 7001, Australia