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Patterns in the distribution of the crinoid community at Davies Reef, central Great Barrier Reef

Created 24/06/2017

Updated 09/10/2017

JSON RDF ISO19115-3 XML

Surveys of the diversity and distribution of crinoids were conducted on Davies Reef between 1981 and 1983.

A total of 25 fives sites were sampled within 5 habitat types. The habitats sampled were the reef slope, reef crest, moat, lagoon and back reef. The reef slope was further divided into three depth habitats (5m, 10m and 15m). The reef crest was sampled at 0m and the moat, lagoon and back reef were sampled at 5m.

A sampling site consisted of 25 adjacent 1m² quadrats along a depth contour on the reef. Four replicate sampling sites were examined in each habitat, except for the 15m reef slope habitat. Within each quadrat, all crinoids on the surface and those occurring within the substrate, to a depth of about 50cm, were recorded. The position of each crinoid within the quadrat was recorded and crinoids collected for later preservation and identification in the laboratory.

Habitats were also ranked with respect to the following external factors: current, energy, depth, sediment and coral cover.

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Title Patterns in the distribution of the crinoid community at Davies Reef, central Great Barrier Reef
Language English
Licence Other
Landing Page https://devweb.dga.links.com.au/data/dataset/f3dae4cc-fe7c-4906-910b-7db3db64ea11
Contact Point
Australian Institute of Marine Science
adc@aims.gov.au
Geospatial Coverage {"type": "Polygon", "coordinates": [[[147.620474, -18.850666], [147.673588, -18.850666], [147.673588, -18.798592], [147.620474, -18.798592], [147.620474, -18.850666]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "Patterns in the distribution of the crinoid community at Davies Reef, central Great Barrier Reef". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/patterns-in-the-distribution-of-the-crinoid-community-at-davies-reef-central-great-barrier-reef

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