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Community composition of reef associated copepods in the lagoon of Davies Reef, Great Barrier Reef

Created 24/06/2017

Updated 09/10/2017

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Reef associated zooplankton were sampled at a fixed site in the north of the lagoon of Davies Reef in June, September and December 1989 and April 1990. Three sampling techniques were used to sample the zooplankton community on each occasion. Analysis of samples focussed on the copepod community.

Triplicate vertical hauls of a 150 cm long, 50 cm diameter, 64 µm plankton net were made through the full water column and also for the top 6m only. Samples were taken over a 24 hour period (2 tidal cycles) at times corresponding to low tide, mid-tide (rising), high tide and mid-tide (falling). After each set of net hauls, Niskin casts were made at 3, 6 and 9 m depth and near the bottom. Subsamples of the water were filtered through a 35 µm filter for determination of the number of nauplii and additional subsamples were taken for chlorophyll analysis. Swarming copepod species, not well sampled using plankton nets, were observed using SCUBA and samples were collected and identified when swarms were abundant.

In the laboratory, the preserved net samples were subsampled. Counts were made of adult copepods, identified to species and sex where possible, and juveniles identified to the lowest possible taxonomic level.

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Title Community composition of reef associated copepods in the lagoon of Davies Reef, Great Barrier Reef
Language English
Licence Other
Landing Page https://devweb.dga.links.com.au/data/dataset/95202ec6-1d7c-4da0-b745-fd2f94d8d33b
Contact Point
Australian Institute of Marine Science
adc@aims.gov.au
Geospatial Coverage {"type": "Point", "coordinates": [147.655673, -18.814011]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "Community composition of reef associated copepods in the lagoon of Davies Reef, Great Barrier Reef". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/community-composition-of-reef-associated-copepods-in-the-lagoon-of-davies-reef-great-barrier-re

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