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Hydrodynamics and zooplankton community structure in the lee of Helix Reef, central Great Barrier Reef (1992)

Created 24/06/2017

Updated 09/10/2017

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Zooplankton were collected over three consecutive nights of the new moon (4-6 January 1992) in an array of 16 light traps anchored downstream of Helix Reef in the central Great Barrier Reef. Three traps were placed within 50 m of the reef crest (A-C) and the remainder were moored in a regular grid pattern across a NW-SE axis. Most traps were cleared several times each night after the lit periods (2100-2200, 2400-0100, 0300-0400). Zooplankton were identified to 53 taxa from the 105 samples taken and abundances counted. Seven clusters were determined using the parameters dates, sampling times, locations, taxa.

A two-step depth-averaged hydrodynamic model was applied. The tidal predictions required to force the data were calculated from historical amplitude and phase data, and wind data from nearby Myrmidon Reef. For fine-scale near-reef circulation a two-dimensional depth-averaged hydrodynamic model was nested within the larger-scale model. Boundary forcing data was obtained from sea level and current predictions generated by the regional model.

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Title Hydrodynamics and zooplankton community structure in the lee of Helix Reef, central Great Barrier Reef (1992)
Language English
Licence Other
Landing Page https://devweb.dga.links.com.au/data/dataset/9f3bd197-a341-49d7-b7fe-157b4bb5b3f5
Contact Point
Australian Institute of Marine Science
adc@aims.gov.au
Geospatial Coverage {"type": "Polygon", "coordinates": [[[147.25, -18.65], [147.35, -18.65], [147.35, -18.6], [147.25, -18.6], [147.25, -18.65]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "Hydrodynamics and zooplankton community structure in the lee of Helix Reef, central Great Barrier Reef (1992)". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/hydrodynamics-and-zooplankton-community-structure-in-the-lee-of-helix-reef-central-great-b-1992

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