Coral Gardening - Transplantation Phase — Bantayan Reef

OPP-CER4D6permanent identifier · cite as oceanportfolio.org/p/OPP-CER4D6

Published as: Getting bigger faster: Mediation of size-specific mortality via fusion in juvenile coral transplants | Technique: Coral Gardening - Transplantation Phase | Genera: Pocillopora | Method: To quantify the effect of size at transplantation on survival and growth of laboratory-reared planulae in the field, juvenile colonies were assigned to four size classes. Substrate tiles (n = 320 tiles), each with a single colony, were transplanted to three replicate patches of reef rock, and survival and growth monitored. The effects of fusion between sibling juveniles on their survival and growth were investigated, as well as aggregative settlement patterns. | Survival of transplants reported by the source: 16.575% | Post-restoration monitoring: 12 months | Authors' conclusion: Survival increased with size. Colony fusion resulted in lower 6-mo mortality, and chimeras of >2 fused colonies produced polyps faster. Fused colonies showed greater probability of growth to the next size class, while unfused colonies showed higher mortality and stasis. Settled larvae were aggregative distributed, with no difference in aggregation strength in larvae of same- vs. mixed-parent groups. Results suggest a benefit of fusion to survival and growth within the first eight months in juvenile coral colonies. | Lessons reported: Fusion could be used as a strategy to obtain larger colonies faster, provided they remain stable over time. | This record was compiled from a published source and has not been confirmed by the organisation that carried out the work. No contribution to the condition index is recorded: the source reports survival of transplanted material, which is not a measure of ecosystem condition.

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