Playing sea soundscapes can summon thousands of baby oysters – and help regrow oyster reefs

Fri, 11 Nov 2022 19:58:01 +1100

Andrew Pam <xanni [at] glasswings.com.au>

Andrew Pam
<https://theconversation.com/playing-sea-soundscapes-can-summon-thousands-of-baby-oysters-and-help-regrow-oyster-reefs-188006>

"Imagine you’re in a food court and spoilt for choice. How will you choose
where to eat? It might be the look of the food, the smell, or even the chatter
of satisfied customers.

Marine animals do the same thing when choosing a good place to live. Even
seemingly simple creatures such as marine larvae use sight, smell and sound as
navigational cues. Once we understand these cues, we can use them to help
nature recover faster than it would on its own.

In our new research, we amplified the natural sounds of the sea through
underwater speakers. We were testing if sound cues would draw baby oysters to
swim to the locations where we are trying to regrow oyster reefs. It worked
better than we’d hoped. Many thousands more larvae swam to our locations than
control areas and settled on the bare rocks."

Cheers,
       *** Xanni ***
--
mailto:xanni@xanadu.net               Andrew Pam
http://xanadu.com.au/                 Chief Scientist, Xanadu
https://glasswings.com.au/            Partner, Glass Wings
https://sericyb.com.au/               Manager, Serious Cybernetics

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