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Coral Reef Studies

ARC Centre of Excellence for Coral Reef Studies
James Cook University Townsville
Queensland 4811 Australia

Phone: 61 7 4781 4000
Email: info@coralcoe.org.au

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Event

Adaptive strategies in scleractinian corals

When

Thursday, April 20th 12:00 to 13:00 hrs

location
To be announced, JCU Townsville Campus
Presenter
Chao-Yang Kuo
Chao-Yang Kuo

Abstract. One of the major goals of ecology is to identify metrics of assemblage structure that are easy to obtain and that enable accurate predictions of how assemblages respond to disturbance and environmental change. One recent approach, termed Universal Adaptive Strategy Theory (UAST), has been hypothesised to apply to all creatures on the tree of life. However, previous attempts to classify scleractinian corals according to UAST have been inconclusive, perhaps because they have not chosen species traits according to the principles set out in the theory. In addition, the utility of the approach for predicting the response of coral assemblages to disturbance has not been effectively tested. This aims of my thesis was to test whether UAST applies to scleractinian corals and whether or not adaptive strategy grouping are useful for predicting the response of taxa to disturbance. I first classified coral species into adaptive strategy groups using the principles of UAST and a comprehensive database of coral traits. Next, I compared the use of adaptive strategy groups versus classifications based on taxonomy or morphology to predict the response of coral taxa to disturbance using two long term datasets. Finally, I tested for variation in the relative abundance of adaptive strategy groups along a 1800 km latitudinal gradient. I conclude that UAST does not apply to corals. My analysis suggests there are many more than the three groupings suggested by UAST. Furthermore, UAST groupings accurately predict neither how a taxa will respond to disturbance nor the relative abundance of groups along a latitudinal gradient. In conclusion, it is much more tractable and informative to explore traits directly, rather than looking for groups based on traits. Furthermore, some combination of phylogeny and morphology is likely to be a better predictor of life histories than adaptive groups.

Biography. Chao-yang grew up in Taipei, Taiwan. He completed his BSc in 2003 in the Department of Marine Resources at National Sun Yat-sen University (NSYSU), followed by a MSc at the Institute of Marine Biology at NSYSU and the National Museum of Marine Biology and Aquarium (NMMBA). Since then, he has been involved in the long-term monitoring program of the coral reefs at Kenting National Park, Taiwan, and also worked as a research assistant for Dr. Chaolum Allen Chen (Acadamia Sinica) and Dr. Joshua Madin (Macquarie University). Chao-yang started his PhD at James Cook University in March 2013. His supervisors are Prof. Andrew Baird, Prof. Morgan Pratchett and Prof. Terry Hughes. His PhD research focuses on adaptive scleractinian corals.

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Coral Reef Studies

ARC Centre of Excellence for Coral Reef Studies
James Cook University Townsville
Queensland 4811 Australia

Phone: 61 7 4781 4000
Email: info@coralcoe.org.au