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The Wetland Book pp 1909-1919 | Cite as

The Coorong: Murray-Darling River Basin (Australia)

  • Peter Gell
Reference work entry

Abstract

The Coorong is a long, narrow back-barrier lagoon near the mouth of the River Murray, Australia. It was accorded the status of a Wetland of International Importance under the Ramsar Convention in 1985 when it was described as a shallow, brackish-to-hypersaline lagoon. Historically the lagoon has played an important role as habitat for waterbird and fish populations, in particular migratory wading bird species covered under international agreements, underpinned by extensive seagrass beds. Evidence of long term change reveals the Coorong to have been a highly tidal system for several thousand years but was substantially affected by water diversions in the catchment and the construction of end-of-system barrages in 1940. These changes have seen declines in seagrass cover and associated birds and fish, exacerbated by an extended dry period in recent years with the Coorong experiencing extreme hypersalinity and consequent change in its perceived natural ecological character. The extended record of change reveals the Coorong to be outside its historical range of variability and the challenge to restore its condition is considerable.

Keywords

Ramsar Estuary Water diversion Migratory waders Ruppia Paleolimnology 

References

  1. Battarbee R, Bennion H, Rose N, Gell P. Chapter 27, Human impact on freshwater ecosystems. In: Matthews JA, editor. The SAGE handbook of environmental change. London: SAGE Publications; 2012.Google Scholar
  2. Bourman RP, Barnett EJ. Impacts of river regulation on the terminal lakes and mouth of the River Murray, South Australia. Aust Geogr Stud. 1995;33:101–15.CrossRefGoogle Scholar
  3. Bourman RP, Murray-Wallace CV, Belperio AP, Harvey N. Rapid coastal change in the River Murray estuary of Australia. Mar Geol. 2000;170:141–68.CrossRefGoogle Scholar
  4. Department of Environment and Heritage. Coorong, and Lakes Alexandrina and Albert Ramsar management plan. Adelaide: South Australian Department of Environment and Heritage; 2000. 63 p.Google Scholar
  5. Dick J, Haynes D, Tibby J, Garcia A, Gell P. A history of aquatic plants in the Ramsar-listed Coorong wetland, South Australia. J Paleolimnol. 2011;46:623–35.CrossRefGoogle Scholar
  6. Finlayson M, Davis J, Gell P, Kingsford R, Parton K, Smith P. The status of wetlands and the predicted effect of global climate change: the situation in Australia. Aquat Sci. 2013;75:73–93.CrossRefGoogle Scholar
  7. Fluin J, Gell P, Haynes D, Tibby J. Paleolimnological evidence for the independent evolution of neighbouring terminal lakes, the Murray Darling Basin, Australia. Hydrobiologia. 2007;591:117–34.CrossRefGoogle Scholar
  8. Gell P, Fluin J, Tibby J, Hancock G, Harrison J, Zawadzki A, Haynes D, Khanum S, Little F, Walsh B. Anthropogenic acceleration of sediment accretion in lowland floodplain wetlands, Murray-Darling Basin, Australia. Geomorphology. 2009;108:122–6.CrossRefGoogle Scholar
  9. Kingsford RT, Walker KF, Lester RE, Young WJ, Fairweather PG, Sammut J, Geddes MC. A Ramsar wetland in crisis – the Coorong, Lower Lakes and Murray Mouth, Australia. Mar Freshw Res. 2011;62:255–65.CrossRefGoogle Scholar
  10. Kingsford RT, Porter JL, Halse SA. National waterbird assessment. Canberra: National Water Commission; 2012. 170 p. Waterlines report no. 74.Google Scholar
  11. Krull E, Haynes D, Lamontagne S, Gell P, McKirdy D, Hancock G, McGowan J, Smernik R. Changes in the chemistry of sedimentary organic matter within the Coorong over space and time. Biogeochemistry. 2009;92:9–25.CrossRefGoogle Scholar
  12. Lester RE, Webster IT, Fairweather PG, Langley RA. Predicting the future ecological condition of the Coorong – the effect of management actions and climate change scenarios. Canberra: CSIRO: Water for a Healthy Country National Research Flagship; 2009. 94 p.Google Scholar
  13. Murray Darling Basin Authority. The Living Murray story – one of Australia’s largest river restoration projects. Canberra: MDBA; 2011. 108 p.Google Scholar
  14. Murray Darling Basin Authority. Basin plan. Canberra: MDBA; 2012. 245 p.Google Scholar
  15. Reeves JM, Haynes D, Garcia A, Gell PA. Hydrological change in the Coorong estuary, Australia, Past and Present: evidence from fossil invertebrate and algal assemblages. Estuar Coasts. 2014;38(6):2101–16.CrossRefGoogle Scholar
  16. Rogers DJ, Paton DC. Spatiotemporal variation in waterbird communities in the Coorong. Canberra: CSIRO: Water for a Healthy Country National Research Flagship; 2009. 49 p.Google Scholar
  17. Sim T, Muller K. A fresh history of the lakes: Wellington to Murray Mouth, 1800s to 1935. Strathalbyn: River Murray Catchment Water Management Board; 2004. 75 p.Google Scholar
  18. Thiessen J. Comparison of bird abundance, diversity and distribution observed in 2008/09 and 2010/11 in the Coorong Murray Mouth and Lower Lakes. Adelaide: Department for Environment and Natural Resources; 2011. 33p.Google Scholar
  19. Zampatti BP, Bice CM, Jennings PR. Temporal variability in fish assemblage structure and recruitment in a freshwater-deprived estuary: the Coorong, Australia. Mar Freshw Res. 2010;61:1298–312.CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media B.V., part of Springer Nature 2018

Authors and Affiliations

  1. 1.Water Research NetworkFederation University AustraliaBallaratAustralia

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