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The Queensland Government supports and encourages the dissemination and exchange of public sector information. All data and other material produced by the Department of Environment and Heritage Protection (EHP) constitute Crown copyright.

Unless otherwise noted, and with the exception of the Queensland Government logo, images, and other material or devices protected by a trademark, subject to review by the Queensland Government, all copyright content on this website is licensed under a Creative Commons Attribution 3.0 Australia (CC BY) licence.

To view the terms of this licence, click the icon [insert CC BY ICON] or visit

Under this licence you are free to use this information in accordance with the licence terms without having to seek permission from EHP. You must keep the copyright notice intact and attribute the State of Queensland as the source of the material.

The Queensland Government has undertaken reasonable enquiries to identify material owned by third parties and secure permission for its reproduction. To the extent that copyright subsists in a third party, it remains with the original owner and permission may need to be obtained to reuse their material.

Apart from any use explicitly granted by a licence, or permitted exceptions under the Copyright Act 1968 (including statutory licences and fair dealing provisions), all other rights are reserved.

For permission to reproduce EHP material beyond the scope of the licence or the Copyright Act 1968, enquiries should be directed to

Last reviewed
20 November 2015
Last updated
9 August 2012