David Newsome is an associate professor in environmental science at Murdoch University, Australia. David's research and teaching focus on the sustainable recreational use of landscapes, maintaining the integrity of peri-urban reserves and the assessment and management of tourism activity in protected areas. He has co-authored and/or edited 5 books in the areas of natural area tourism, wildlife tourism and geotourism and is a member of the IUCN World Protected Areas Committee. Susan A. Moore leads the Nature Based Tourism Research Group at Murdoch University, Western Australia. Her expertise is natural area tourism, protected area management and biodiversity conservation policy. She has 150 publications including journal articles, books and reports and has successfully led more than 30 research projects delivering outputs to industry, government and non-government organizations, and the Australian Research Council.Ross Dowling is Foundation Professor of Tourism, Faculty of Business & Law, Edith Cowan University, Western Australia. He has worked in the field of tourism in natural areas for almost 40 years as a foundation member of the NZ Ministry for the Environment, a founder and current director of Ecotourism Australia, and as a tour guide to national parks and wilderness areas.