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Title: Distribution and abundance of octocoral (Octocorallia, Alcyonacea) communities at three southern islands of Singapore
Authors: Seah, Jason Zhi Sheng
Yap, Nicholas Wei Liang
Tan, Lik Tong
Goh, Beverly
Keywords: Octocorallia
Tropical ecology
Soft coral communities
Singapore coral reefs
Issue Date: 2015
Citation: Seah, J. Z. S., Yap, N. W. L., Tan, L. T., & Goh, B. P. L. (2015). Distribution and abundance of octocoral (Octocorallia, alcyonacea) communities at three Southern Islands of Singapore. Ocean Science Journal, 50(2), 299-306.
Abstract: Studies concerning subtidal octocoral species from Singapore reefs are few. This study documents the diversity and abundance of octocoral communities from fringing reefs at Singapore’s Southern Islands, namely, Pulau Semakau, P. Hantu and Kusu Island. Belt transects of 20 m ( 5) were employed to survey the octocoral communities at these reef sites. Morphology and sclerites of a number of collected octocoral samples were compared with paratypes obtained from the Raffles Museum of Biodiversity Research, National University of Singapore, for species identification. A total of 16 morphotypes, belonging to five octocoral genera, including Cladiella, Lobophytum, Nephthea, Sarcophyton and Sinularia, were identified in this study. Statistical analysis revealed octocoral abundance and diversity at Kusu Island reefs were higher than those around P. Hantu and P. Semakau. Conversely, octocoral community structures encountered along P. Semakau and Kusu Island were more similar than those of P. Hantu. The preliminary data presented in this study could serve as the baseline data for long term biomonitoring programs in assessing the state of coral reefs in Singapore.
ISSN: 1738-5261 (print)
2005-7172 (online)
Other Identifiers: 10.1007/s12601-015-0018-0
Appears in Collections:Journal Articles

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