Diana Walker

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Shark Bay was hit by a brutal marine heatwave in 2011. W. Bulach/Wikimedia Commons

Shark Bay: A World Heritage Site at catastrophic risk

Matthew Fraser, The University of Western Australia; Ana M. M. Sequeira, The University of Western Australia; Brendan Paul Burns, UNSW ; Diana Walker, The University of Western Australia; Jon C. Day, James Cook University, and Scott F. Heron, James Cook University

Everyone knows the Great Barrier Reef is in peril. But a continent away, Western Australia’s Shark Bay is also threatened by marine heatwaves that could alter this World Heritage ecosystem forever.
Marine parks are valuable tools to help safeguard species such as seagrasses. AAP Image/James Cook University

Why are Australia’s marine parks being reviewed so soon after they were signed off?

Elizabeth Sinclair, The University of Western Australia; Diana Walker, The University of Western Australia, and Gary Kendrick, The University of Western Australia

Australia’s network of marine parks - a decade in the making and announced in 2012 - haven’t been implemented yet, and the Abbott government has already placed the plans under review. Why the hurry?
Stromatolites are among the most ancient records of life on earth. Ellie Gee

Shark Bay stromatolites at risk from climate change

Diana Walker, The University of Western Australia and Gary Kendrick, The University of Western Australia

Climate change – resulting in more frequent flooding of the Wooramel River that leads into Shark Bay – may threaten the unique stromatolites that make Shark Bay a World Heritage site. These stromatolites…

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