Abstract

Being a common reef building coral in Malaysian waters, growth of Acropora Formosa in natural reef habitat and coral nursery condition had been studied in aspects of extension growth, survival and proto-branch generation. The study sites took place at two separate islands with different environment conditions. In this study, A. formosa samples of natural reefs at Pangkor Island turbid waters recorded better growth in average extension rate (0.71 ±0.48 cm/month) and higher proto-branch generation rate (up to 52% after 6 months) than Tioman Island samples (0.38 ±0.34 cm/month, highest 17% after 6 months). However, Tioman Island natural reef samples maintained 100% survival throughout the study period. Then, branch fragments or nubbins of A. formosa were transplanted into two coral nursery sites at Tioman Island. Among these two coral nurseries, the Tekek site had better growth in all three aspects than Air Batang site. This was believed due to Tekek nursery had been setup with nubbins for more than 6 months before Air Batang nursery, thus the Tekek samples were conditioned long enough for growing in the coral nursery environment. The results of this study documented the growth of this particular coral species in two islands of Peninsular Malaysia, and demonstrated the potential application of A. Formosa for coral transplant, in situ nursery and active reef restoration.

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