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1. Spatial distribution and population structure of juvenile Antarctic toothfish (Dissostichus mawsoni) in the South Shetland Islands (Subarea 48.1)

   between 22 and 78 cm TL, equally distributed between sexes, most of them with gonads at immature stage of ... structure of juvenile D. mawsoni caught during bottom trawl survey on the shelves around the South Shetland ... abundant between 100 and 300 m depth. The sampled population was composed of 150 specimens measuring ... factor. Based on counts of annual growth increments from sagittal otolith sections, age estimates ranged ...

   Meeting Document : WG-FSA-18/45 : Автор(ы): M. La Mesa, E. Riginella and C.D. Jones

2. Analysis of the sea-ice concentration (SIC) in Subarea 48.6, research blocks 2, 3, 4 and 5 with sea-surface temperature (SST) and statistical models

   , where the limit of navigability for fishing vessels is set at 20 % SIC, was calculated. It should become ... Abstract:  An Analysis of the sea ice concentration (SIC) in research blocks 2,3,4, and 5 of ... 2019 was also as high as in 2016 but around the west of block 5 the SIC in 2019 was much lower than in ... and vice versa. The chart of the SIC as per HYCOM corresponds well to the SIC derived from data by the ...

   Meeting Document : WG-SAM-2019/15 : Автор(ы): T. Namba, R. Sarralde, H. Pehlke, K. Teschke, T. Brey, S. Hain, T. Ichii, T. Okuda, S. Somhlaba and J. Pompert

3. First Annual Report of the CCAMLR Otolith Network, 2002

   Abstract:  This report presents results from the first exchange of otoliths under the auspices of ... held at the Centre for Quantitative Fisheries Ecology (CQFE), Old Dominion University, United States ... , from 23 to 27 July 2001. The National Institute of Water and Atmospheric Research, Nelson, New Zealand ... ; Central Ageing Facility, Victoria Australia; and CQFE, each provided a sample of otoliths, processing and ...

   Meeting Document : WG-FSA-02/51

4. Estimation of the fishery–krill–predator overlap

   at nine levels of spatio-temporal resolution and using normal, exponential and uniform foraging ... Abstract:  Work undertaken during the intersessional period has enabled better use of the krill ... fishery data, and a comparison between the three existing indices of fishery-krill-predator overlap used ... the level of overlap in recent years (1995-98) than estimated with either the catch in the CPD or the ...

   Meeting Document : WG-EMM-99/11 : Автор(ы): Secretariat

5. A method to evaluate selection of Antarctic krill in towed fishing gears

   ) apply different trawl designs. Very little information exists on the size selectivity of E. superba ... . Size selectivity describes a given trawls designs ability to catch different sizes of a population and ... is valuable information for the management of harvested marine stocks. Size selectivity data is ... traditionally collected during timely and costly fishing experiments in the field where one design is tested at ...

   Meeting Document : WG-EMM-13/34 : Автор(ы): L.A. Krag, B. Herrmann (Denmark), S. Iversen, A. Engås, S. Nordrum and B.A. Krafft (Norway)

6. Using stationary acoustic platforms to assess precision and accuracy of acoustical krill surveys

   issues of krill migrating too close to the surface to be acoustically detected, as well as potential ... issues of diel changes in acoustic scattering strengths. However, due to logistic constraints, acoustic ... effects of krill vertical distribution on survey results. The Institute of Marine Research, Norway has on ... a regular basis deployed stationary platforms in the main area for commercial krill harvesting at ...

   Meeting Document : WG-EMM-2019/32 : Автор(ы): T. Klevjer, G. Skaret and B.A. Krafft

7. A simulation approach to the evaluation of recruitment surveys for D. eleginoides for the Heard Island Plateau region (Division 58.5.2)

   Abstract:  Assessments of long-term sustainable yield using the Generalised Yield Model (GYM) and ... the setting of total allowable catches (TAC) for Patagonian Toothfish, Dissostichus eleginoides, for ... . Evaluation of both the current RSTS design for Division 58.5.2 and some options for future modifications of ... . Census of fish stocks by age class were compared to population estimates based on simulated RSTS hauls ...

   Meeting Document : WG-FSA-04/74 : Автор(ы): S.G. Candy, C.R. Davies and A.J. Constable (Australia)

8. Demersal fish communities in the Ross Sea region of Antarctica: comparisons between video and trawl survey methods

   using the towed camera and at least one of the trawl types, allowing direct comparisons between sampling ... Abstract:  Reliable estimates of demersal fish community composition and population densities are ... essential for understanding the ecological effects of fisheries. Such estimates are conventionally derived ... . Using data collected during a survey of demersal fish communities in the Ross Sea region of Antarctica ...

   Meeting Document : WG-FSA-12/51 : Автор(ы): D.A. Bowden, S.M. Hanchet and P.M. Marriott (New Zealand)

9. An initial examination of using CPUE as a fishery performance index for the krill fishery

   Abstract:  Early analyses of CPUE in the krill fishery concluded that it was not a useful index of ... krill abundance. However, understanding the factors effecting the operation of the krill fishery and the ... extent to which these reflect changes in krill abundance are key elements of developing feedback ... management of the krill fishery. This analysis reviewed catch and effort data from the krill fishery for the ...

   Meeting Document : WG-EMM-16/10 : Автор(ы): CCAMLR Secretariat

10. A single-area stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea for the 2004/05 season

    ). A range of model sensitivities were examined, with the base case assuming the Ross Sea fishery as a ... evidence of non-convergence, particular in the declining right-hand limb of the fishing selectivity ... this would have little impact on the estimates of key model parameters and yield estimates. MCMC ... estimates of initial (equilibrium) spawning stock abundance (B0) were 69 400 t (95% credible intervals 47 ...

    Meeting Document : WG-FSA-05/33 : Автор(ы): A. Dunn, D.J. Gilbert and S.M. Hanchet (New Zealand)

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