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The role of bacteria on surfaces of coralline algae in settlement of crown-of-thorns starfish (Acanthaster planci) on the Great Barrier Reef

Created 24/06/2017

Updated 09/10/2017

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Field and laboratory experiments were undertaken during the spawning period of Acanthaster planci (November to January) to examine substratum preferences of larvae; and the effect of extracts from crustose coralline algae (CCA), the role of bacteria from the coralline algae Lithothamnium pseudosorum, and certain known chemicals on settlement rates.

These experiments were conducted at Lizard Island and in the laboratory at the Australian Institute of Marine Science (with samples obtained from Davies Reef).

Lizard Island experiment variables Substratum selection (no choice, choice of substrata offered) - L. pseudosorum (Lp); scratched (Lps); undamaged (Lpn); Neogoniolithon foslei (Nf); Peyssonellia sp. (Pe); Porolithon onkodes PO); coral rubble (RU); ceramic tile (Ti). Bioassays with CCA and extracts of Lithothamnium pseudosorum - settlement on CCA shards variously treated and on coral blocks perfused with extracts of CCA (use of mesh barriers, boiled shards, dialysis tubing etc.) Bioassays with coral blocks fouled for 9 d, and on coral blocks perfused with extracts from coral rubble. Chemical induction using 5 concentrations of GABA (¿-amino butyric acid) and 4 of K+ [potassium].

AIMS experiment variables: Bioassays with CCA and extracts of Lithothamnium pseudosorum - settlement on scratched and unscratched L. pseudosorum, within-plant variation, microhabitat selection. Bacterial induction, the effects of antibiotics - the inductive ability of untreated and antibiotic-treated L pseudosorum, and of L. pseudosorum shards. Bioassays with epiphytic bacteria isolated from L. pseudosorum.

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Title The role of bacteria on surfaces of coralline algae in settlement of crown-of-thorns starfish (Acanthaster planci) on the Great Barrier Reef
Language English
Licence Other
Landing Page https://devweb.dga.links.com.au/data/dataset/b7a88c8b-b5b0-487a-8174-32096b59dda2
Contact Point
Australian Institute of Marine Science
adc@aims.gov.au
Geospatial Coverage {"type": "Polygon", "coordinates": [[[145.45944, -19.2773833], [147.64167, -19.2773833], [147.64167, -14.66667], [145.45944, -14.66667], [145.45944, -19.2773833]]]}
Data Portal data.gov.au

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This dataset was originally found on data.gov.au "The role of bacteria on surfaces of coralline algae in settlement of crown-of-thorns starfish (Acanthaster planci) on the Great Barrier Reef". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/the-role-of-bacteria-on-surfaces-of-coralline-algae-in-settlement-of-crown-of-thorns-starfish-a

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