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Bathymetric adaptations of corals at Davies Reef, Great Barrier Reef: Light saturation

Created 24/06/2017

Updated 09/10/2017

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Corals were collected by scuba along 2 transects at Davies Reef in October 1980, and February, July and December 1981. Transect A-B ran from 1-17 m deep on the seaward margin of the reef flat. Transect C-D ran from 1-51 m deep on the seaward reef slope. Collection date, sea surface temperature, transect, depth and coral species were recorded.

For the experiments, either a group of four 12 cm terminal branches of Acropora formosa or Acropora valenciennesi, or one 9 cm diameter colony of all other species were placed in a chamber and changes in dissolved oxygen content measured. Light measurements of photosynthetic photon flux density were in units of microEinsteins (400-700 nm) per square metre per second. Corals were incubated in the dark and light for periods of 20-30 min, arranged in order of increasing light intensity.

The corals were frozen at the end of the experiment; chlorophylls and accessory pigments were extracted with 3 volumes of 20% tetrahydrofuran in methanol (v:v), separated and quantified by high performance liquid chromatography. Ten replicate coral samples were analysed for protein content.

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Title Bathymetric adaptations of corals at Davies Reef, Great Barrier Reef: Light saturation
Language English
Licence Other
Landing Page https://devweb.dga.links.com.au/data/dataset/80565839-cb12-4168-9dfb-577996fc2e98
Contact Point
Australian Institute of Marine Science
adc@aims.gov.au
Geospatial Coverage {"type": "Point", "coordinates": [147.633333, -18.85]}
Data Portal data.gov.au

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This dataset was originally found on data.gov.au "Bathymetric adaptations of corals at Davies Reef, Great Barrier Reef: Light saturation". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/bathymetric-adaptations-of-corals-at-davies-reef-great-barrier-reef-light-saturation

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