Coral Gardening — Cory Sandbar, Anda,

OPP-R713ZTpermanent identifier · cite as oceanportfolio.org/p/OPP-R713ZT

Published as: Growth and Survivorship of Juvenile Corals Outplanted to Degraded Reef Areas in Bolinao-Anda Reef Complex, Philippines. | Technique: Coral Gardening | Genera: Acropora | Method: Wild colonies collected and placed in ex situ flow through aquaria, until spawning. Spawn collected and allowed to fertilise in buckets. Embryos were then transferred to tanks, and maintained for 7 days until settlement competency peaked. Larvae were encouraged to settle on dead rubble inserted into plastic wall plugs, and allowed to develop for ~2.5 weeks. At this stage, Trochus shells were introduced to control algal growth. Coral juveniles were then reared in tanks for 6 months, until they w… | Survival of transplants reported by the source: 67.5% | Post-restoration monitoring: 6 months | Authors' conclusion: 1% success of settlement on rubble (i.e 221/2120 rubbles had at least one live coral juvenile after 6 months into the hatchery. After outplanting 67% survived, with a 10.7% detachment rate of fragments. Fragments increased in size 37 fold. Ecological monitoring was not undertaken post-transplantation. | Lessons reported: The rubble fragments that detached from masonry plugs could have been secured using cyanoacrylate glue | 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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