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Fish of the Yongala shipwreck and nearby deep water shoals, central Great Barrier Reef (CRC Reef Research Centre Project)

Created 24/06/2017

Updated 09/10/2017

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Five fish surveys were conducted on the wreck of the Yongala between June 1996 and September 1997. In addition, surveys of fish on two nearby deep water shoals, Tink Shoal and the unnamed "Small" Shoal were carried out in May 1997.

Fish were surveyed by a visual census method using Log5 abundance estimates. Two dives along the length of the shipwreck were conducted during each visit to the Yongala, with a total observation time of 45 minutes. The bottom of the shipwreck was surveyed on the first dive and during the second dive fish visible from midway down the shipwreck were surveyed. The second dive built on the estimates and species recorded during the first dive. All fish in sight on the shipwreck were counted.

A single 25 minute dive was made at each of the shoals. Each dive covered approximately 200m straight line distance and Log 5 abundance of fishes was recorded in an estimated 10m band along the swimming path. Dives on the shoals began at 30m depth and finished on the reef slope at around 15m.

Additional observations recorded included habitat type, visibility, currents, the presence of other vessels with divers and fish behaviour.

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Title Fish of the Yongala shipwreck and nearby deep water shoals, central Great Barrier Reef (CRC Reef Research Centre Project)
Language English
Licence Other
Landing Page https://devweb.dga.links.com.au/data/dataset/0806afb2-1692-41b4-b2e7-374ef20059ca
Contact Point
Australian Institute of Marine Science
adc@aims.gov.au
Geospatial Coverage {"type": "Polygon", "coordinates": [[[147.559317, -19.368117], [147.8645, -19.368117], [147.8645, -19.0285], [147.559317, -19.0285], [147.559317, -19.368117]]]}
Data Portal data.gov.au

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This dataset was originally found on data.gov.au "Fish of the Yongala shipwreck and nearby deep water shoals, central Great Barrier Reef (CRC Reef Research Centre Project)". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/fish-of-the-yongala-shipwreck-and-nearby-deep-water-shoals-central-great-barrier-reef-crc-reef-

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