Coral Gardening - Nursery Phase — Florida Keys

OPP-JHTEN3permanent identifier · cite as oceanportfolio.org/p/OPP-JHTEN3

Published as: Plasticity in skeletal characteristics of nursery-raised staghorn coral, Acropora cervicornis | Technique: Coral Gardening - Nursery Phase | Genera: Acropora | Method: Compared linear extension, calcification rate, and skeletal density of nursery-raised A. cervicornis branches reared for 6 months either on blocks attached to substratum or hanging from PVC trees in the water column. | Post-restoration monitoring: 6 months | Authors' conclusion: Branches grown on the substratum had significantly higher skeletal density and lower linear extension rates compared to water column fragments. Calcification rates determined with buoyant weighing were not statistically different between the two grow-out methods, but did vary among coral genotypes. Whereas skeletal density and extension rates were plastic traits that depended on grow-out method, calcification rate was conserved. | Lessons reported: The two rearing methods generate the same amount of calcium carbonate skeleton but produce colonies with different skeletal characteristics and suggest that there is genetically based variability in coral calcification performance. | 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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