Growth study of branching coral Acropora formosa between natural reef habitats and in situ coral nurseries
2013
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...
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