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1. Using outputs from spatial population models of Antarctic toothfish in the Ross Sea region to investigate potential biases in the single population model

   assumptions of the stock assessment for Antarctic toothfish in the Ross Sea region using spatially explicit ... operating models. The method allows investigation of potential biases and uncertainty in the assumptions of ... Population Model (SPM), to develop spatially explicit movement models of the Antarctic toothfish in the Ross ... were then used in a single area stock assessment model derived from the stock assessment model of ...

   Meeting Document : WG-FSA-12/45 : Автор(ы): S. Mormede and A. Dunn (New Zealand)

2. Spatial aggregation of harvesting in Subarea 48.1, in particular during the summer and close to the coast

   associated level of catch has increased in Subarea 48.1 during the penguin breeding season. We explore in ... detail, the fishing patterns in Subarea 48.1 during 2014/2015, showing that two areas of fishing ... operated, collectively taking over 42,000 tonnes of krill from an area less than 30 km in diameter. The ... ecological or CEMP monitoring in the vicinity. We pose a number of questions, answers to which we believe ...

   Meeting Document : WG-EMM-16/17 : Автор(ы): P. Trathan and S. Hill

3. An Apparent Decrease in the Prevalence of “Ross Sea Killer Whales” in the Southern Ross Sea

   occurrence patterns and diet of RS killer whales, and present new information on numbers observed in the ... -effort of scientific fishing for toothfish in McMurdo Sound, we suggest and review evidence that the ... -driven, density-dependent northward contraction of the toothfish stock, and not to changes in the ... :  An Apparent Decrease in the Prevalence of “Ross Sea Killer Whales” in the Southern Ross Sea Approval ...

   Meeting Document : WG-EMM-09/P01 : Автор(ы): D.G. Ainley, G. Ballard and S. Olmastroni

4. On acceptable scattering of longlines geo-referencing in the toothfish fishery in the CAMLR Convention Area

   toothfish in the Convention Area are discussed. Cases of differences in the coordinates of settings and ... haulings are considered. The estimation of the maximum possible variation of the coordinates in the depths ... haulings increases in the areas with large depths and high velocities of sea currents in the high seas. The ... acceptable scattering of longlines geo-referencing in the toothfish fishery in the CAMLR Convention Area ...

   Meeting Document : WG-SAM-2019/22 : Автор(ы): O. Krasnoborodko

5. Results of the Spanish exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2 in the 2013/14 season

   year of the multi-year research survey in Divisions 58.4.1 and 58.4.2,  the F/V Tronio has returned to ... , together with the estimation of the total Biomass in the entire SSRU using a depletion model. There have ... the same places surveyed in the 2012/13 season, as well as expanded the experience westwards to the ... 58.4.1D and 58.4.1C SSRUs. A prospective estimation of the local biomass (B LOC) of one localized area ...

   Meeting Document : WG-SAM-14/12 Rev. 1 : Автор(ы): R. Sarralde, L.J. López-Abellán and S. Barreiro (Spain)

6. Comparing surface and planimetric area across multiple scales and assessing the impact of different data sources on seabed area estimation in research blocks in the CAMLR Convention Area

   important for CCAMLR in estimating the fishable biomass of these species in data-poor areas, developing ... surface) is rarely estimated. The aims of this paper are to examine differences in: (1) planimetric seabed ... based on the current CPUE-analogy calculations. However, in many of the research blocks a higher ... surface to planimetric area difference than those cells that were outside of the fishable depth ranges. In ...

   Meeting Document : WG-SAM-15/01 : Автор(ы): CCAMLR Secretariat

7. Fatty acid and stable isotope analyses to identify diets of Antarctic toothfish caught in February–March 2013 in the southern Ross Sea (88.1.K) and the eastern Antarctic Sea (58.4.1.C)

   profiles in muscle tissue of Antarctic toothfish, bycatch specimen (Channichthyidae), and icefish in the ... Abstract:  To identify the important prey items for pre-recruit Antarctic toothfish in the SSRUs ... 88.1.K of the southern Ross Sea and 58.4.1.C of the eastern Antarctic Sea, their fatty acid (FA ... from commercial fishing vessel in February-March 2013. Similarities in total FA compositions and the FA ...

   Meeting Document : WG-FSA-13/42 : Автор(ы): I. Yeon, Y.J. Kwon, S.G. Choi, D.W. Lee and C.-K. Kang (Republic of Korea)

8. Results of the Spanish exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2 in the two previous seasons

   -SAM-14/09.  A summary of the results of the Spanish research that took place in the 58.4.1 division ... Biomass in the entire SSRUs, as well as an estimation of the Biomass in SSRU 58.4.1H using the mark ... :  Results of the Spanish exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2 ... Abstract:  We addressed the revisions requested by the WG-SAM-14 regarding the results of the ...

   Meeting Document : WG-FSA-14/35 : Автор(ы): R. Sarralde, L.J. López-Abellán and S. Barreiro (Spain)

9. Seasonal and interannual variability of krill, salp and other zooplankton populations in the northwest Antarctic Peninsula region: summer 2001 in relation to the Long-Term AMLR Data Set

   . Increased abundance relative to 1999 resulted in part from recruitment of the 1998/99 and 1999/2000 year ... field seasons to assess interannual variations. Mean and median krill abundance values in the Elephant ... Abstract:  The US AMLR Program conducted large area surveys in the Elephant Island-South Shetland ... assess seasonal variations in distribution, abundance and demography of Antarctic krill (Euphausia ...

   Meeting Document : WG-EMM-01/45 : Автор(ы): V. Loeb (USA)

10. The recent decline in recruitment of Gobionotothen gibberifrons in the South Shetland Islands (CCAMLR Subarea 48.1)

    Shetland Islands ceased after the 1989/90 season. One of the larger and most abundant species in the area ... ’s. In 2012, the proportion of immature fish (<30 cm) in the population was less than 10 ... in recruitment of Gobionotothen gibberifrons in the South Shetland Islands (CCAMLR Subarea 48.1 ... Abstract:  Commercial exploitation of fish stocks around Elephant Island and the lower South ...

    Meeting Document : WG-FSA-12/20 : Автор(ы): K.-H. Kock (Germany) and C.D. Jones (USA)

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