Coral larvae settle more readily on bacteria-coated concrete than on bare blocks
Researchers in Hawaii found that coral larvae were more likely to settle on concrete surfaces that had been coated with bacteria than on uncoated, bare concrete blocks. The finding points to microbial films as a cue that helps coral larvae choose where to attach and grow. The results could inform efforts to restore damaged reefs by making artificial structures more hospitable to new coral. Scientists see the work as a step toward more effective reef-rehabilitation methods. Further study is needed to confirm how the effect plays out across different sites and coral species.
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