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1. Analysis of krill fishery operations in Subarea 48.1: spatial-time distribution of CPUE and fishing efforts

   Abstract:  In previous years we revealed that period 2006-2011 is characterized by the highest ... values of standardized CPUE indices in the Subarea 48.1 for the last 25 years. We continue to investigate ... methods. Our investigation shows how fishery operated by years and month in each SSMUs with special ... attention to differences between national fleets. It was shown also significant variability in fishing ...

   Meeting Document : WG-EMM-14/21 : Autor(es): S. Kasatkina and P. Gasyukov (Russia)

2. Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea

   maximum age was 14 years, but this should be regarded as a conservative estimate of longevity because of ... the possibility that thorn growth ceases in large individuals. Von Bertalanffy growth curves are ... the curve for both sexes provides the best available representation of growth in the species: Lt ... = 70.8(1-e-0.308[t+1.10]), where Lt is the pelvic length (PL) in centimetres at age t. Applying this ...

   Meeting Document : WG-FSA-04/29 : Autor(es): M.P. Francis and C. Ó Maolagáin (New Zealand)

3. Preliminary assessment of mackerel icefish, Champsocephalus gunnari, in Subarea 48.3 using a length based population dynamics modelv

   fishing season for Champsocephalus gunnari in CCAMLR sub area 48.3. The model is initialised using ... , Champsocephalus gunnari, in Subarea 48.3 using a length based population dynamics modelv Approval:  Approved ... of the harvest control rule ensuring 75% escapement after a two year projection period yielded a ...

   Meeting Document : WG-FSA-11/30 Rev. 1 : Autor(es): R.E. Mitchell and S.M. Martin (United Kingdom)

4. Assessments of the stocks of Notothenia rossii marmorata and Champsocephalus gunnari in the South Georgia area

   in the South Georgia area Abstract / Description:  The stocks of Notothenia rossii marmorata and ... Champsocephalus gunnari in the South Georgia area are assessed using USSR age sample data and recent biomass ... estimates from surveys by the FRG. These data indicate that the stock of N. rossii in 1985 was about 2.5% of ... not be very effective. Since the stock in most years consists mainly of new recruits, and ... known) and the net recruitment rate to the stock in each year implied by the age data. The catch at ... of the fishery compared to later year classes. However, in selecting an age-specific natural ... coefficient of natural mortality of 0.2 per year up to age 8 is assumed, this implies the schedules given in ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 1-21 : Autor(es): Cooke, J.G.

5. Stability of trip selections for the assessment of Antarctic toothfish in the Ross Sea

   available. However, once selected, trips are also selected in subsequent years. This analysis indicates that ... in future years as further data are added will also be of interest. Author(s):  D.A.J. Middleton (New ... Abstract:  A dataset for the 2009 assessment of Antarctic toothfish (Dissostichus mawsoni) in the ... selection was stable over time. The 2009 dataset was reduced by omitting data from the two most recent years ...

   Meeting Document : WG-FSA-10/26 : Autor(es): D.A.J. Middleton (New Zealand)

6. Temporal scales of foraging in a marine predator: implications for interpreting the distribution of prey

   km) represented by short (5 rain) travel durations. In a study lasting 5 years, the distributions of ... prey patches at the meso-scale level. Only in one year of the study (1990/91) were there indications ... reduction in the number of prey patches available in that year but that prey patches were of poorer quality ... success of a predator. In pelagic marine ecosystems, where prey is often patchily distributed, predators ...

   Meeting Document : WG-EMM-95/23 : Autor(es): Boyd, I.L.

7. Demographic studies of Antarctic krill Euphausia superba Dana in the Cooperation and Cosmonaut Seas (Indian sector of the Southern Ocean)

   years in the Cooperation Sea. Assuming growth for only 180 days per year, growth rates ranged from 0.120 ... mortality rates. The duration of the life cycle of E.superba exceeded 5 years in the Cosmonaut Sea and 6 ... Abstract:  The reproductive state and size composition of Euphausia superba collected in the ... researchers in the Prydz Bay region for 1981-1985. In mid summer, E.superba of age 2+ to 4+ were predominant ...

   Meeting Document : WG-Krill-94/16 : Autor(es): E.A. Pakhomov (Ukraine)

8. Preliminary investigations into a two-area stock assessment model for Antarctic toothfish (Dissostichus mawsoni) in the Amundsen Sea Region

   identified several areas for further work. This work was carried out and presented to WG-SAM in 2014, who ... Abstract:  In 2013, the Scientific Committee of CCAMLR could not achieve consensus on a stock ... status for Antarctic toothfish in the Amundsen Sea Region (ASR- Subarea 88.2 SSRUs 88.2C-H) and ... noted that the assessments were unable to fit the patterns in the recaptures of tagged fish seen in SSRU ...

   Meeting Document : WG-FSA-14/57 : Autor(es): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)

9. Proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2016–2017

   basis, it is proposed that these two areas be surveyed in alternate years. Therefore, it is proposed to ... the same as in previous years, and the number of sets will be retained at 45 sets for the core strata ... the next two years, 2016–2017, is presented. The survey will continue to focus primarily on estimating ... the relative abundance of sub-adult (<110 cm TL) toothfish in the core strata (A, B, C) in SSRUs ...

   Meeting Document : WG-SAM-15/45 : Autor(es): S.M. Hanchet, S.J. Parker, S. Mormede and R.J.C. Currey (New Zealand)

10. Preliminary results of the experiments on the krill transport study in the South Orkney area (April 1992)

    within the square of 30 x 30 miles northwestwards of Coronation Island in the fishing fleet operation ... based on these values. In the.first two dublicates the aggregation of krill was observed within the ... contour and in the second two- loss of krill. The aggregation was 52 thous. t greater than the loss. The ... study in the South Orkney area (April 1992) Approval:  Approved ...

    Meeting Document : WG-CEMP-92/34 : Autor(es): L.G. Maklygin, V.N. Shnar, A.P. Malyshko (Russian Federation) and A.G. Shepelev (Ukraine)

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