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The Lake Eyre Basin

The Lake Eyre Basin. Great Artesian Basin. Lake Eyre Basin. Georgina. Diamantina. Cooper. Lake Eyre Basin. among the last major free-flowing rivers in the world. Kati Thanda - Lake Eyre - one of the larger terminal lakes in the world. 1.2 million square kilometres.

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The Lake Eyre Basin

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  1. TheLake Eyre Basin

  2. Great Artesian Basin Lake Eyre Basin

  3. Georgina Diamantina Cooper Lake Eyre Basin among the last major free-flowing rivers in the world Kati Thanda-Lake Eyre - one of the larger terminal lakes in the world 1.2 million square kilometres

  4. LEB Landscapes – bioregions

  5. Mitchell Grass Downs

  6. Channel Country

  7. Simpson-Strzelecki Dune Fields

  8. Stony Plains

  9. Macdonnell Ranges

  10. Salt Lakes

  11. Ramsar wetlands – Coongie Lakes Aboriginal heritage sites ● ● Mound Springs Channel country ● ● ● Permanent waterholes Significant places

  12. High flow variability Lake Eyre Basin rivers Flow variability

  13. High flows ….

  14. Low flows ….

  15. Boom ….

  16. …. bust

  17. Towns Grazing & agriculture Geothermal energy Tourism Oil, gas and mining Human footprint

  18. Gwydir wetlands Chowilla ● ● ● Coorong Macquarie Marshes Unsustainable practices – Murray-Darling Basin

  19. … the Lake Eyre Basin is remarkably unscathed

  20. Emerging threats Vegetation clearing Changes to flow Weeds Feral animals Feral pigs

  21. Critical vulnerability ….. Changes to flow • major dams • flow diversion • levee banks & floodplain harvesting • on-farm storages

  22. Looking after this resource ….

  23. Oct 2000 • Effective June 2001 • Northern Territory 2004 • reviewed June 2007

  24. Catalysts for sustainability Proposal forWorld Heritage listing (1993) Currareva cotton application(1995)

  25. → Very strong community response • Lake Eyre Catchment Protection Group • Lake Eyre Basin Coordinating Group • Coopers Creek and Georgina-Diamantina Catchment Committees Supported by State and Federal governments

  26. The Lake Eyre Basin Process • Grass-roots/bottom-up – community initiated • Community involvement remains strong

  27. Current arrangements –Agreement Scientific Intergovernmental Agreement Community Ministerial Forum Government Agencies – Water and Environment

  28. Ecological sustainability Socio-economic viability Lake Eyre Basin Agreement…. is about balance

  29. Key messages • The Lake Eyre Basin is unique in the world. • The Basin is in good condition, but vulnerable to increasing pressures • A genuine basin-wide approach is essential • Working towards real ecological and social sustainability • Water is the key

  30. …. we need long-term Government and Community commitment

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