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Presentation to Geography Teachers Association of Victoria December Conference

Murray-Darling Basin – A Living Landscape Lawrie Kirk Manager Communication MDBC lawrie.kirk@mdbc.gov.au 02 6279 0107. Presentation to Geography Teachers Association of Victoria December Conference. 15% of Australia. Over 2 million people. Murray-Darling Basin.

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Presentation to Geography Teachers Association of Victoria December Conference

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  1. Murray-Darling Basin – A Living Landscape Lawrie Kirk Manager CommunicationMDBC lawrie.kirk@mdbc.gov.au02 6279 0107 Presentation to Geography Teachers Association of Victoria December Conference

  2. 15% of Australia Over 2 million people Murray-Darling Basin

  3. Murray-Darling BasinA Snapshot • The Basin covers 1 million sq. km (equivalent to the size of South Africa) • Major river system by world standards • River Murray 2530 km • River Darling 2740 km • Basin produces 40% of total gross value of Australia’s agricultural production – including 70% of irrigation production

  4. Average Annual Rainfall inMurray-Darling Basin

  5. Global water resources Australia Africa South America Asia Oceania North-central America Europe FAO AquaStat Data

  6. Flow Variability

  7. Ratioof maximum annual flowto minimum annual flowfor selected rivers

  8. Murray-Darling Basin Ministerial Council Charter “to promote and coordinate effective planning and management for equitable, efficient and sustainable use of land, water and other environmental resources”

  9. SIX GOVERNMENTS Aust. Govt NSW Vic SA Qld ACT MURRAY-DARLING BASIN MINISTERIAL COUNCIL Up to 3 Ministers from each Government representing land, water and environment Community Advisory Committee 21 expertise based representatives MURRAY-DARLING BASIN COMMISSION 1 Independent President 2 Commissioners from each Government Commission Office Technical and administrative secretariat

  10. River Murray System Menindee Lakes Murrumbidgee River Lachlan River Lake Victoria SA Darling River Redbank Weir Maude Weir NSW 11 10 9 8 6 7 5 4 3 2 15 Interface with Snowy Mountains Scheme Yarrawonga Weir Euston Weir Edward Wakool System Weirs/Locks 1 Hume Reservoir River Murray Vic 26 Torrumbarry Weir Barmah- Millewa Forest Dartmouth Reservoir Goulburn River Barrages

  11. DARTMOUTH DAM – On the Mitta Mitta PHOTO: Michael Bell

  12. LAKE HUME – Mitta Mitta Arm PHOTO: Michael Bell

  13. LAKE MULWALA – Yarrawonga Weir PHOTO: Michael Bell

  14. DARETON - Photo Credit: Michael Bell DARETON – On the Murray Photo: Michael Bell

  15. LOCK & WEIR NINE – Kulnine PHOTO: Michael Bell

  16. LAKE VICTORIAPHOTO: Michael Bell

  17. MURRAY MOUTH - Dredge PHOTO: Michael Bell

  18. MURRAY MOUTH PHOTO: Michael Bell

  19. Water trading From this .... To this ….

  20. Turning water into wealth(by Commodity) Gross value of irrigated agriculture $7.3 billion per annum 10000 9000 2000 8000 7000 1500 6000 5000 Gross Margin $ / ML Water used (GL) 1000 4000 3000 500 2000 1000 0 0 Rice Fruit Sugar Cotton Grapes Pasture Vegetables Source: ABS 2000 Source: ABS 2000

  21. Murray Mouth Barrages

  22. MURRAY MOUTH – Goolwa Barrage PHOTO: Michael Bell

  23. The six ecological assets

  24. Murray Mouth, Coorong and Lower Lakes Healthier lower lakes and Coorong estuarine environment • Open Murray mouth • More frequent estuarine fish spawning • Enhanced migratory wader bird habitat in the Lower Lakes

  25. River Murray Channel • Increase the frequency of higher flows in spring that are ecologically significant • Overcome barriers to migration of native fish species between the sea and Hume Dam • Maintain current levels of channel stability

  26. The Challenges Water Flow Commissioner, Sir Ronald East straddling the River Murray at Nyah, Victoria during the drought of 1923 Murray mouth - Flowing Murray mouth - Closed, April 1981 Photos: Courtesy SA Govt

  27. Our youth our future..

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