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SAIMOS - Biological and Flow Cytometry data collected from CTD stations in South Australia, in September 2016

Created 07/08/2017

Updated 11/08/2023

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Flow cytometry data was collected in September 2016, in waters off South Australia.

The general purpose of the study is to be able to establish background knowledge on the ecosystem on the continental shelf of South Australia and the impact of upwelling/saline outflow events on microbial communities to ultimately develop a biogeochemical model of the region. Sampling was carried out during cruises conducted on board the RV Ngerin as part of the Southern Australian Integrated Marine System (SAIMOS). During each cruise, the physical, chemical and biological properties of the chlorophyll fluorescence maximum (DCM) layer were investigated. Flow cytometry data has been collected for picophytoplankton, bacteria and viruses.

Six main stations have been sampled over the course of the study, five are located on the 100 m isobath, i.e. RS (35.508S, 136.278E), B2 (35.418S, 136.148E), B3 (35.258S, 136.048E), B4 (35.168S, 135.418E) and B5 (35.008S, 135.198E), and one from an offshore station (B1; 36.188S, 136.178E) located southwest of Kangaroo Island. Note that combining the distances between stations (14–25 nautical miles), the average component of the current velocity at middepth along the shelf (0.01 m s21) and the average speed of the vessel (i.e. 9 knots) indicate that different water masses were sampled at each station. Additional samples have on occasion been collected from the National Reference Station (NRS) at Kangaroo Island (35.832S, 136.447E) and the SA Spencer Gulf Mouth Mooring (SAM8SG, 35.25S, 136.690E), where the saline outflow occurs.

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Field Value
Title SAIMOS - Biological and Flow Cytometry data collected from CTD stations in South Australia, in September 2016
Language English
Licence Creative Commons Attribution 4.0 International
Landing Page https://data.gov.au/data/dataset/53f98e96-8f54-4c8d-a32d-1a26a03aa9f1
Contact Point
South Australian Research and Development Institute
Paul.vanruth@sa.gov.au
Reference Period 07/08/2017
Geospatial Coverage
Map data © OpenStreetMap contributors
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        135.0,
        -35.9
      ],
      [
        136.9,
        -35.9
      ],
      [
        136.9,
        -34.9
      ],
      [
        135.0,
        -34.9
      ],
      [
        135.0,
        -35.9
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Data.gov.au