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Report on a random stratified trawl survey to estimate distribution and abundance of Dissostichus eleginoides and Champsocephalus gunnari conducted in the Heard Island region (Division 58.5.2), May–June 2007
Abstract: Since the commencement of commercial fishing in Australian waters on the Heard Island ... plateau in 1997 an annual random stratified trawl survey (RSTS) has been conducted to assess the stocks of ... Patagonian toothfish (Dissostichus eleginoides) and mackerel icefish (Champsocephalus gunnari). The 2007 ... survey had two main aims: • to assess the abundance of juvenile and adult Dissostichus eleginoides on the ...
Meeting Document : WG-FSA-07/46 : Autor(es): G.B. Nowara and T. Lamb (Australia)
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Preliminary assessment of mackerel icefish, Champsocephalus gunnari, on the Heard Island Plateau (Division 58.5.2) based on a survey in April–May 2003
(Division 58.5.2) was undertaken using the standard CCAMLR methods, based on the result of a randomly ... stratified trawl survey completed between 16 April and 10 May 2003. The 2003 estimate of abundance was ... approximately 20% of the 2002 estimate. This decline in abundance is consistent with the passage of the strong ... 1997 cohort through the population and relatively weak recruitment in 1999 and 2000. The 1+ fish ...
Meeting Document : WG-FSA-03/32 : Autor(es): A.J. Constable, C.R. Davies, R. Williams and T. Lamb (Australia)
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A statistical method for analysing the extent of IUU fishing in CCAMLR waters: application to Subarea 48.3
extension to other regions of the Antarctic. 2. Of the sources of information on IUU fishing, Fishery ... Protection Vessel (FPV) cruises are the most consistent and reliable. The track of the FPVs on their cruises ... to South Georgia covers all possible areas of fishing for toothfish in Subarea 48.3. The method uses ... data from FPV cruises in Subarea 48.3, and the encounters between FPVs and IUU fishing activity, to ...
Meeting Document : WG-FSA-02/4 : Autor(es): D.J. Agnew and G.P. Kirkwood (United Kingdom)
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ASSESSMENT MODELS FOR ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN SUBAREA 88.2 SSRU E FOR THE YEARS 2002/03 TO 2008/09
Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... model for Antarctic toothfish (Dissostichus mawsoni) in the SSRU 88.2E, using revised catch, catch-at ... -age and tag-recapture data from New Zealand vessels and for selected trips. The New Zealand vessels ... model resulted in a higher estimate of initial biomass than the same model for 2006, but the estimated ...
Meeting Document : WG-FSA-09/41 : Autor(es): A. Dunn and S.M. Hanchet (New Zealand)
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Horizontal and vertical distribution and demography of euphausiids in the Ross Sea and its adjacent waters in 2004/2005
Abstract: The horizontal and vertical distribution and population structure of euphausiids in the ... Ross Sea and its adjacent waters were investigated during the summers of 2004/2005 using stratified ... towed samples. Nine species of euphausiids occurred in the survey area. Among them, Euphausia triacantha ... was dominant in biomass north of the southern boundary of the Antarctic circumpolar current (SB ...
Meeting Document : WG-EMM-08/P10 : Autor(es): K. Taki, T. Yabuki, Y. Noiri, T. Hayashi and M. Naganobu
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AN ASSESSMENT OF ARTIFICIAL BAIT (NORBAIT™) AS A MEANS OF REDUCING THE INCIDENTAL CATCH OF MACROURUS AND OTHER BYCATCH SPECIES IN HIGH LATITUDE TOOTHFISH FISHERIES
Abstract: The New Zealand fishing company Sanford Limited has initiated a research project to ... assess the effectiveness of artificial bait as a means of reducing the incidental catch of Macrouridae ... (rattails) and other bycatch species in the toothfish autoline longline fishery. A company vessel carried ... out some initial experimental work in the western Ross Sea (CCAMLR Statistical Subarea 88.1) in 2007 ...
Meeting Document : WG-FSA-08/52 : Autor(es): J.M. Fenaughty (New Zealand)
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Report on scientific observations onboard the Chilean longliner, ‘Puerto Ballena’, in Statistical Subarea 48.3 from March to May 1996
Abstract: Scientific observation under the auspices of the CCAMLR Scheme of International ... Scientific Observatio was conducted onboard the Chilean longliner 'Puerto Ballena' fishing for ... Patagonian toothfish (Dissostichus eleginoides) in Subarea 48.3 from March to May 1996. Details of the cruise ... D. eleginoides, the estimation of the finfish by-catch, the estimation of a conversion factor of ...
Meeting Document : WG-FSA-96/22 : Autor(es): Selling, J., Kock, K.-H.
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Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 1994 winter and 1994/95 pup-rearing season
the fifth consecutive winter and seventh consecutive summer at Bird Island, South Georgia. The three ... animals entangled during the 1994 winter is the lowest number recorded since the winter surveys began ... , being 92% lower than in 1993 and 97% lower than the record 1992 winter. Nearly all animals involved were ... juveniles. Of entangled animals the proportion of males affected was 67%, approximately the same as in 1993 ...
Meeting Document : SC-CAMLR-XIV/BG/08 : Autor(es): Delegation of the United Kingdom
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Variation of ice edge position in western part of Atlantic sector of the Antarctic
Abstract: Satellite imagery of the pack ice edge position in western part of the Atlantic sector ... of the Antarctic derived on each tenday period basis has been used to analyse its spatial and ... temporal variation in the area between 65° and 20°W. Amplitude of the seasonal variation of the ice edge ... position was found to increase from the west to the east. Described is two-year cyclicity of consecutive ...
Meeting Document : SC-CAMLR-VIII/BG/49 : Autor(es): Delegation of USSR
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Physical oceanographic setting of the Siedlecki January 1987, South Shetland Island data set
Abstract: In the vicinity of the northern tip of Antarctic Peninsula, the Bransfield Straits and ... South Shetland Islands, cold polar waters from the Weddell Sea meet warmer circumpolar water from the ... Pacific Ocean. A series of fronts form which collectively are referred to as the Weddell-Scotia Confluence ... . Within the Confluence region the Weddell Gyre water is separated from the Pacific or Scotia Sea water by ...
Meeting Document : SC-CAMLR-VII/BG/19 : Autor(es): United States of America