Sustainable tourism guides the management of all resources in such a way that economic, social and aesthetic needs can be fulfilled while maintaining cultural integrity, essential ecological processes and biological diversity" (UN World Tourism Organisation 2004).
The Director of National Parks is the statutory authority responsible for the Australian Government's protected area estate. The Director is assisted in managing the estate by Parks Australia, which is a division of the Australian Government Department of Sustainability, Environment, Water, Population and Communities. The Director's estate is made up of the following terrestrial parks and reserves:
Australian National Botanic Gardens
Booderee National Park and Botanic Gardens
Christmas Island National Park
Kakadu National Park