Interesting idea here:  When there's a coral bleaching event, seaweeds can come in to take over the space, stopping coral recovery. So perhaps "sea-weeding" by local volunteers could be a stop-gap measure to clear the intruder, giving the coral a much better chance of recovery: 

https://theconversation.com/seaweed-is-taking-over-coral-reefs-but-theres-a-gardening-solution-sea-weeding-212460?utm_source=dlvr.it&utm_medium=mastodon

#ocean #seaweed #climate