the lake eyre basin

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The Lake Eyre Basin

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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. - PowerPoint PPT Presentation

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Page 1: The Lake Eyre Basin

TheLake Eyre

Basin

Page 2: The Lake Eyre Basin

Lake Eyre Basin

Great Artesian Basin

Page 3: The Lake Eyre Basin

Lake Eyre Basin

1.2 million square kilometres

Kati Thanda-Lake Eyre - one of the larger

terminal lakes in the world

among the last major free-flowing rivers in

the worldDi

aman

tina

Coop

er

Georgina

Page 4: The Lake Eyre Basin

LEB Landscapes – bioregions

Page 5: The Lake Eyre Basin

Mitchell Grass

Downs

Page 6: The Lake Eyre Basin

Channel Country

Page 7: The Lake Eyre Basin

Simpson-Strzelecki

Dune Fields

Page 8: The Lake Eyre Basin

Stony Plains

Page 9: The Lake Eyre Basin

Macdonnell Ranges

Page 10: The Lake Eyre Basin

Salt Lakes

Page 11: The Lake Eyre Basin

Significant places

● Channel country

Permanent waterholes

●Mound Springs

Ramsar wetlands –

Coongie Lakes

Aboriginal heritage sites

Page 12: The Lake Eyre Basin

High flow variability Fl

ow v

aria

bilit

y

Lake Eyre Basin rivers

Page 13: The Lake Eyre Basin

High flows ….

Page 14: The Lake Eyre Basin

Low flows ….

Page 15: The Lake Eyre Basin

Boom ….

Page 16: The Lake Eyre Basin

…. bust

Page 17: The Lake Eyre Basin

Human footprint Towns

Geothermal energy

Oil, gas and mining

Grazing & agriculture

Tourism

Page 18: The Lake Eyre Basin

Unsustainable practices – Murray-Darling Basin

Chowilla

Gwydir wetlands

●Coorong

Macquarie Marshes

Page 19: The Lake Eyre Basin

… the Lake Eyre Basin is remarkably unscathed

Page 20: The Lake Eyre Basin

Emerging threatsChanges to flow Vegetation clearing

Weeds

Feral pigs

Feral animals

Page 21: The Lake Eyre Basin

Critical vulnerability….. Changes to flow

• major dams

• flow diversion

• levee banks & floodplain harvesting

• on-farm storages

Page 22: The Lake Eyre Basin

Looking after this resource ….

Page 23: The Lake Eyre Basin

• Oct 2000

• Effective June 2001

• Northern Territory 2004

• reviewed June 2007

Page 24: The Lake Eyre Basin

Catalysts for sustainability

• Proposal for World Heritage

listing (1993)

• Currareva cotton application (1995)

Page 25: The Lake Eyre Basin

→ Very strong community response

Supported by State and Federal governments

• Lake Eyre Catchment Protection Group

• Lake Eyre Basin Coordinating Group

• Coopers Creek and Georgina-Diamantina Catchment Committees

Page 26: The Lake Eyre Basin

The Lake Eyre Basin Process

• Grass-roots/bottom-up – community initiated

• Community involvement remains strong

Page 27: The Lake Eyre Basin

Current arrangements –Agreement

Scientific

Community

Government Agencies – Water and

Environment

Intergovernmental Agreement

Ministerial Forum

Page 28: The Lake Eyre Basin

Lake Eyre Basin Agreement

…. is about balance

Socio-economic viability

Ecological sustainability

Page 29: The Lake Eyre Basin

Key messages1. The Lake Eyre Basin is unique in the world. 2. The Basin is in good condition, but

vulnerable to increasing pressures3. A genuine basin-wide approach is essential4. Working towards real ecological and social

sustainability5. Water is the key

Page 30: The Lake Eyre Basin

…. we need long-term Government and Community

commitment

Page 31: The Lake Eyre Basin
Page 32: The Lake Eyre Basin