Aurora Australis Voyage 6 (FISHOG) 1991-92 Heard Island Fish DataEntry ID: AADC-00080
Abstract: This dataset contains the data from Voyage 6 (FISHOG) 1991-92 of the Aurora Australis. The observations were taken from the Heard Island area in January and February 1992. The data contains temperature and salinity data from a CTD survey and the results from demersal fish trawl surveys. The major species were Dissostichjus eleginoides, Channichthys rhinoceratus, Channichthys gunnari, ... Lepidonotothen squamifrons, Gymnoscopelus nicholsi and Paradiplospinus gracilis. This is a subset of the data for the whole voyage. The objectives of the fish program were: to assess the distribution and abundance of demersal fish on the shelf in the AFZ around Heard Island; to investigate the biology of the more important species.
A Microsoft Access database containing data from this cruise, plus several others is available for download from the URL given below. The Entry ID's of the other metadata records also related to this data are:
The fields in this dataset are:
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Start Date: 1992-01-23Stop Date: 1992-02-13
Quality This data follows on from that of the 1990 winter cruise (HIMS). Sampling was carried out using a 35m headline length bottom trawl. Stations were chosen using a random stratified survey design, stratified according to depth: 0-100m, 100-200m, 200-300m, 300-500m. Sixty-nine trawls were completed successfully.
All fish were identified, weighed and measured on board, except specimens too ... small to weigh accurately, which were frozen for later weighing in the Antarctic Division laboratories. For all common species, guts, gonads and otoliths were removed from 25 specimens of each species per haul (if numbers permitted). For large catches of individual species, a random subsample of 50 was individually weighed, measured and guts gonads and otoliths removed, a further 50 were weighed and measured, and a further 100 were measured. The total number and weight of each species was also recorded.
At some sites, samples of liver, heart and muscle of Dissostichus eleginoides were taken and stored in liquid nitrogen for the mitochondrial DNA (mtDNA) study.
CTD data were collected at most stations, so fish data and oceanography data are consistent. Position, date and time of each station was recorded, and tabulated results, a cruise track, and a station map is included in the reference given above.
Access Constraints An Access database containing data from this cruise and several others, is available for download from the URL given below.
Use Constraints This data set conforms to the PICCCBY Attribution License
Must be cited properly
Data Set Progress
Distribution Media: HTTP
Distribution Size: 1,969 kb
Distribution Format: access
Role: TECHNICAL CONTACT
Phone: +61 3 6232 3340
Fax: +61 3 6232 3351
Email: dick.williams at aad.gov.au
Australian Antarctic Division 203 Channel Highway
Province or State: Tasmania
Postal Code: 7050
Creation and Review Dates
DIF Creation Date: 1999-10-07
Last DIF Revision Date: 2008-04-10