Researchers at the University of Sydney have studied three naturally sustained oyster reefs in New South Wales to understand factors contributing to their success, which can inform reef restoration projects. The study, published in Geomorphology by Francesca Roncolato and colleagues, found that local wave and tidal impacts, reef shape, and orientation are crucial for maximizing oyster sustainability and coastal protection. The research highlights the significant role of oyster reefs in coastal environments, influencing sediment dynamics and providing critical habitat for marine species. Emphasizing the importance of considering local factors and geomorphology in restoration design, the findings aim to optimize ecosystems under climate change conditions.