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1. Modelling catch and effort data using generalised linear models with random cruise effects: trawl fishery for mackerel icefish (Champsocephalus gunnari) in CAMLR Area 58.5.2

   parameter values was presented in WG-FSA-SAM 03-12 using Dissostichus eleginoides in Subarea 48.3 of the ... Champsocephalus gunnari in Subarea 58.5.2 is described. For the trawl catch and effort data it was found the ... , after which time there was a sharp increase in 2001 with a steady decline thereafter. The sharp increase ... in 2001 is most likely the result of the large abundance of 3 and 4 year-old fish in that year, which ...

   Meeting Document : WG-FSA-03/35 : Автор(ы): S.G. Candy (Australia)

2. Mackerel icefish Champsocephalus gunnari in the diet of upper trophic level predators at South Georgia: implications for fisheries management

   fisheries. Data on the frequency and size structure of C. gunnari in the diet of Antarctic fur seals ... . gunnari population. C. gunnari occurred in 20 – 40 % of scats from Antarctic fur seals and comprised 48 ... dominant mode at 180-200 mm total length (1+ age class), with strong cohorts entering the population in ... 1993, 1996, 1999 and 2001. A recruitment index based on the contribution by mass of the 1+ age-class in ...

   Meeting Document : WG-FSA-03/74 : Автор(ы): K. Reid, S. Hill and T. Diniz (United Kingdom)

3. Preliminary assessment of Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a survey in April–May 2003

   1999. A minor revision to the recruitment series resulted in a relatively small reduction in the ... term yields. Further work is required to evaluate the implications of current uncertainty in the rate ... design of the annual survey indicated some variability in survey catchability between years and suggest ... 2003 season saw the operation of the first commercial long line vessel in 58.5.2. An initial comparison ...

   Meeting Document : WG-FSA-03/33 : Автор(ы): A.J. Constable, C.R. Davies, R. Williams and T. Lamb (Australia)

4. A feasibility study for stock assessment of D. mawsoni in the Ross Sea (Subares 88.1 and 88.2) using a tag and recapture experiment

   purpose of stock assessment of the Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea. An ... exploratory fishery for D. mawsoni has been operating since 1997-98. Catches have increased from ~40 t in 1997 ... -98 to nearly 1800 t in 2002-03. Although some Patagonian toothfish (D. eleginoides) are taken in the ... 90% D. mawsoni) have been tagged and released in the area, from vessels operating in the exploratory ...

   Meeting Document : WG-FSA-SAM 03/10 : Автор(ы): K.J. Sullivan, N.W.McL. Smith, J. McKenzie and S.M. Hanchet (New Zealand)

5. Monitoring marine debris and its impact on marine living resources in Antarctic waters

   of Antarctic Marine Living Resources (CCAMLR) in response to a request from CEP-IV for information on ... actions taken by CCAMLR on marine debris from fishing vessels, especially in relation to compliance with ... level of marine debris and its impact on marine living resources in Antarctic waters. Long-term programs ... and seabirds, ingestion by seabirds of plastic materials and entanglement of marine mammals in fishery ...

   Meeting Document : SC-CAMLR-XX/BG/16 : Автор(ы): Secretariat

6. Preliminary analysis of seabird by-catch in the South Georgia icefish fishery

   Abstract:  We conducted a preliminary analysis on the numbers of birds caught as a bycatch in the ... trawl fishery for icefish (Champsocephalus gunnari) in Subarea 48.3. From December 2000 – February 2001 ... birds being caught in February. GAM/GLM analysis suggested that month and vessel were significant ... could explain the number of birds caught. Differences in the numbers caught in the last three years also ...

   Meeting Document : WG-FSA-01/30 : Автор(ы): D.J. Agnew, N. Ansell and J.P. Croxall (United Kingdom)

7. Some notes on by-catch of fishes and salps caught by the fishery vessel Niitaka Maru in the vicinity of the South Shetland Islands (January to February 1999)

   fisheries by F/V Niitaka Maru were made from 3 January to 4 February 1999 in the vicinity of the South ... Chaenodraco wilsoni were found in 4 trawl catches. On the contrary, salps were captured as by-catch in 69 ... macrura and Euphausia superba was not found in their stomachs. Abundance of salps in krill catches could ... (>2500 ind./t of krill) occurred in hauls with the low krill catch rates (Author(s):  T. Iwami, S ...

   Meeting Document : WG-EMM-00/54 : Автор(ы): T. Iwami, S. Kawaguchi and M. Naganobu (Japan)

8. Modelling the dynamics of krill populations in the Antarctic Peninsula region

   estimates of recruitment to the population can be used to model in detail interannual variation in the ... dynamics of krill are used to assess to what extent they can explain the observed changes in the density of ... the population in the Antarctic Peninsula region. Two approaches have been explored: the first uses ... (?43% per annum). In both cases however the mortality rate estimate is poorly constrained in a range ...

   Meeting Document : WG-EMM-99/56 : Автор(ы): E.J. Murphy (United Kingdom), A. Constable (Australia) and D. Agnew (United Kingdom)

9. Investigations on midwater trawling for krill (Euphausia superba) in the Southern Ocean

   Abstract:  Results of harvesting operations for Antarctic krill (Euphausia superba) in Fishing ... Area 58 in the Indian Ocean Sector of Southern Ocean, during the First Indian Antarctic Krill ... Expedition (27 December 1995- 10 March 1996) on board FORV Sagar Sampada are summarised in this paper. 18 ... hauls were made using a 2.5 m Isaacs-Kidd Midwater Trawl (IKMT) in the area 59°00’-61°08' S lat; 30 ...

   Meeting Document : WG-EMM-98/38 : Автор(ы): M.R. Bhoopendranath, M.K.R. Nair, A. Anrose and V.C. George (India)

10. Concordance of inter-annual fluctuations in densities of krill around South Georgia and Elephant Islands: biological evidence of same-year teleconnections across the Scotia Sea

    Abstract:  Acoustic estimates of the densities of Antarctic krill, Euphausia superba, in areas ... simply have been a function of differences in survey and data analysis techniques used at each site. More ... both SG and El. There was no apparent lag in changes in abundance at each site, and ranked between-year ... gradients of change in abundance at both locations were significantly correlated. These pronounced ...

    Meeting Document : WS-AREA 48-98/11 : Автор(ы): A.S. Brierley (UK), D.A. Demer, R.P. Hewitt (USA) and J.L. Watkins (UK)

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