Reconstruction of anoxic and toxic conditions in Australian lakes and ancient oceans

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Sustainable water quality is a critically important issue for Australia's economic and social development. To be able to predict and plan the future of Australia's lakes and estuaries, it is crucial to understand their ecological past and to determine their state prior to and post-European settlement. This project develops and applies novel methodologies to reconstruct the history of cyanobacterial blooms, eutrophication and anoxia in Australian waterways. It will help to identify human impact on water quality. The new methodologies, applied to ancient sedimentary rocks, will also yield information about the effect of environmental changes on early life on Earth, enforcing Australia's position in the study of global geochemical cycles.