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1. Revised age and growth estimates for Antarctic starry skate (Amblyraja georgiana) from the Ross Sea

   georgiana in the Ross Sea suggested that these skates initially grow very rapidly for about five years ... been generated that suggest much slower growth, greater ages-at-maturity (about 20 years compared with ... Paper Title:  Revised age and growth estimates for Antarctic starry skate (Amblyraja georgiana ... ) from the Ross Sea Abstract / Description:  A previous study on the age and growth of Amblyraja ... outliers with positive residuals, centred on about 75 cm and 18 years, was apparent for both readers ... frequency, and dots and error bars indicate the mean and two standard errors for read- ings on the y-axis ... skates having large discrepancies between the two readers. 10 20 30 R ea de r 2 , r ea di ng 4 ... (years) 0 10 20 30 40 R ea de r 1 , r ea di ng 2 (y ea rs ) ( m ea n ± 2S E ) 0 10 20 ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 211–220 : Autor(es): Francis, M.P. and M.J. Gallagher

2. Fishery Report: Exploratory fishery for Dissostichus spp. (TOT) in Subareas 88.1 and 88.2

   remain in the northern area for up to two or three years. They then move southwards back onto the shelf ... posterior where the predicted future spawning stock biomass (SSB) was below 20% of B0 in any one year, for ... ................................................................. 28  5.2 Assessments of impacts on affected populations ................................ 30 ... 000 m. 1. Details of the fishery 1. Subareas 88.1 and 88.2 are split into two areas for the ...

   Document : Site Section: Publications

3. COMMITTEE FOR ENVIRONMENTAL PROTECTION: ANNUAL REPORT TO THE SCIENTIFIC COMMITTEE OF CCAMLR

   Abstract:  Co-operation between the Scientific Committee and the Committee for Environmental ... Protection has been steadily increasing over the last few years to the mutual benefit of both bodies. This ... committees, and- Clarify the reporting requirements between the two committees. Author(s):  CEP Observer ... Title:  COMMITTEE FOR ENVIRONMENTAL PROTECTION: ANNUAL REPORT TO THE SCIENTIFIC COMMITTEE OF CCAMLR ...

   Meeting Document : SC-CAMLR-XXVIII/BG/16 : Autor(es): CEP Observer

4. Towards the development of a management plan for mackerel icefish (Champsocephalus gunnari) in Subarea 48.3

   for an interim approach to the setting of precautionary catch limits for this fishery. An approach ... Paper Title:  Towards the development of a management plan for mackerel icefish (Champsocephalus ... years of poor krill availability. Thus natural  ortality of C. gunnari may, in some years, increase by a ... outlines a scheme which would use information from studies on krill and predators undertaken as part of the ... problems in years of low krill abundance, consequent dependence for food on another plankton crustacean ... the time the stock is only depleted for one or two years. This behaviour is a direct result of the ... therefore a need for an interim approach to the setting of precautionary catch limits for this fishery. An ... process that is expected to take several years. DEVELOPMENT OF A MANAGEMENT PLAN FOR C. GUNNARI The ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 63–77 : Autor(es): Agnew, D.J., I. Everson, G.P. Kirkwood and G.B. Parkes

5. A hypothetical life cycle for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region

   Paper Title:  A hypothetical life cycle for Antarctic toothfish (Dissostichus mawsoni) in the Ross ... Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region are reviewed. Based on the presumed ... of eggs and larvae over a 6–24 month period were investigated using an oceanic circulation model ... locations of toothfish larvae after an 18–24 month period were moderately consistent with the distribution ... 70°S from December to May for all years and all vessels. Month G S I ( % ) 0 5 10 15 20 25 ... rest, and is setting this time delay for the floats deeper in the water column. After two years the ... shelf and on the Ross Sea slope. They probably remain there for a fur- ther 2–3 years before they gain ... several attempts at develop- ing a life cycle for D. mawsoni. Yukhov (1982) drew together unpublished and ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 35–53 : Autor(es): Hanchet, S.M., G.J. Rickard, J.M. Fenaughty, A. Dunn and M.J. Williams

6. Estimation of the 2011 catch limit for mackerel icefish (Champsocephalus gunnari) in Subarea 48.3 using a length-based population dynamics model

   . Application of the harvest control rule ensuring 75% escapement after a two year projection period yielded a ... Abstract:  A length based projection model is employed to estimate catch limits for the 2011/12 ... fishing season for Champsocephalus gunnari in CCAMLR sub area 48.3. The model is initialised using ... for cohort identification associated with the age based projection model used in previous assessments ...

   Meeting Document : WG-FSA-10/37 : Autor(es): C.T.T. Edwards, R.E. Mitchell, J. Pearce and D.J. Agnew (UK)

7. Extension of the development of a management procedure for the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity

   Abstract:  Three Operating Models (OMs) reflecting an “Optimistic”, “Intermediate” and a ... “Pessimistic” current status for the toothfish resource in the Prince Edward Islands region are developed which ... for trials of a candidate Management Procedure (MP) which could provide future TAC recommendations for ... this resource. The MP uses two data sources: the recent trend in longline CPUE and the mean length of ...

   Meeting Document : WG-SAM-07/10 : Autor(es): A. Brandão and D.S. Butterworth (South Africa)

8. Documentation for the CCAMLR survey database and length-density analysis

   Abstract:  Over the past two years, the CCAMLR Data Centre has undertaken a major overhaul of the ... research survey database and the routines used for length-density analyses. This overhaul was necessary ... . While appropriate in earlier years, this procedure constricted the type of survey data that could be ... develop. Author(s):  Secretariat Title:  Documentation for the CCAMLR survey database and length-density ...

   Meeting Document : WG-FSA-00/11 : Autor(es): Secretariat

9. Comparison of age- and length-based harvest control rules for the South Georgia icefish (Champsocephalus gunnari) fishery

   age vector for the population. An age-based harvest control rule was then applied using the operating ... Abstract:  An age-based operating model was constructed and used to derive an initial numbers at ... to test the performance of the length based method, with results suggesting that the two approaches ... (United Kingdom) Title:  Comparison of age- and length-based harvest control rules for the South Georgia ...

   Meeting Document : WG-SAM-10/12 : Autor(es): C.T.T. Edwards, R.M. Hillary, R.E. Mitchell and D.J. Agnew (United Kingdom)

10. A by-catch guide for commonly caught species in CCAMLR longline and trawl fisheries

    fisheries. The guide consists of comprehensive descriptions for 21 species, and two additional appendices ... to develop a bycatch guide for commonly caught fish and skate species in CCAMLR longline and trawl ... which contain detailed descriptive keys for Macrourid (Grenadier) identification, and for juvenile fish ... caught in the CCAMLR krill fishery. The Secretariat thanks members for access to materials, and for ...

    Meeting Document : WG-FSA-16/17 : Autor(es): CCAMLR Secretariat

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