Symbiodinium diversity on the Great Barrier Reef (MTSRF Project 2.5i.3)

Samples of S. flexibilis were collected from a total of 11 sites from inshore and offshore reefs within the Torres Strait, Cairns, Townsville and Whitsunday regions of the Great Barrier Reef between December 1998 and February 2000. The microsatellite alleles of Symbiodinium C (loci SymC_3-01, SymC_3-02, SymC_3-03 and SymC_3-04) were analysed for their genetic diversity using the variables inshore/offshore reefs; molecular variance pairwise estimates (FST) of genetic differentiation; and hierarchical cluster analysis of Euclidean distances of frequencies grouped using the UPGMA (Unweighted Pair Group with Arithmetic mean) algorithm.

Site locations: Torres Straits (Dungeness); Cairns (Agincourt, Escape, Pickersgill and Undine Reefs); Townsville (Great Palm and Orpheus Islands, Rib and Trunk Reefs); Whitsunday (Hook and Deloraine Islands). Related AIMS Publications Howells E, van Oppen MJH and Willis BL (2009) High genetic differentiation and cross-shelf patterns of genetic diversity among Great Barrier Reef populations of Symbiodinium. Coral Reefs 28: 215-225. Bastidas C, Benzie JAH, Uthicke S and Fabricius KE (2001) Genetic differentiation among populations of a broadcast spawning soft coral, Sinularia flexibilis, on the Great Barrier Reef. Marine Biology 138: 517-525.

Principal Investigator
van Oppen, Madeleine JH, Dr Australian Institute of Marine Science (AIMS)
Point Of Contact
Australian Institute of Marine Science (AIMS)

Data collected from 01 Jan 1999 until 31 Dec 2002

Publications / Data
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Tags: Biological Classification - Animals/Invertebrates - Cnidarians , Anthozoans/Octocorals | Biological Classification - Protists - Flagellates , Dinoflagellates | Biosphere - Ecological Dynamics - Species/Population Interactions , Symbiosis | Zooxanthellae | Algal endosymbionts | microsatellites | Symbiodinium