For more than 700 years, oysters have been an important commodity in Hong Kong—unsurprising given Hong Kong people’s love for seafood. Often overlooked as a crucial marine habitat, oysters are also ecosystem engineers that play a tremendous role in coastal protection and support marine ecosystems wherever they thrive.
Decades of commercial dredging for lime, coastal reclamation and over-harvesting have decimated the oyster populations along with the long list of benefits they provide. Oyster reefs are the most endangered marine habitat on the planet with an estimated 85 percent global loss. To make things worse, the past few decades also witnessed a steep decline in oyster farming bringing the 700-year-old heritage to its knees.
With support from J.P. Morgan and in partnership with the Swire Institute of Marine Science (SWIMS) of The University of Hong Kong, and drawing from our expertise in restoring oyster reefs at more than 150 sites around the world, we have embarked on Hong Kong’s first study of the local ecological benefits of oysters.
Our work focuses on two areas:
Ecological impact: From our project sites in western Hong Kong, we are investigating how oyster reefs can impact our local marine environment, especially for cleaning water, enhancing biodiversity and producing more fish.
Aquaculture impact: Engaging the aquaculture industry in Lau Fau Shan: We want to understand the social, economic and other factors that play a role in the success of the oyster industry and how our studies can help revive community livelihoods.
Why We Need to Restore Oysters
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