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1. Proposal for a CCAMLR sponsored research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea

   Subarea 88.1 and for nine years in Subarea 88.2. Associated research has led to an assessment of the ... Abstract:  The exploratory fishery for Dissostichus spp. has now been operating for 14 years in ... operations, different vessels catch different length classes in different locations and in different years ... members develop a pre-recruit survey design. This paper develops a proposal for a CCAMLR sponsored ...

   Meeting Document : WG-SAM-11/16 : Autor(es): S.M. Hanchet, S. Mormede, S.J. Parker and A. Dunn (New Zealand)

2. Fishery Report 2013: Exploratory fishery for Dissostichus spp. in Division 58.4.3a

   Description / Abstract:  Fishery Report 2013: Exploratory fishery for Dissostichus spp. in ... year are provided. Note: length-frequency distributions are only presented for those years/SSRUs in ... 30 November 2013). FISHERY REPORT 2013: EXPLORATORY FISHERY FOR DISSOSTICHUS SPP. IN ... Indian Ocean sector of the Convention Area remains an issue for the Commission. Estimates of illegal ... . CCAMLR has developed a framework for designing and undertaking research fishing designed to lead to an ...

   Document : Site Section: Publications

3. KRILL CONSUMPTION ESTIMATES FOR CRABEATER SEALS AT THE ANTARCTIC PENINSULA AND THE WESTERN WEDDELL SEA WITH SPECIAL REFERENCE TO SSMUS OF AREA 48.1

   Antarctic Peninsula and western Weddell Sea region (90° to 30° W and 60° to 80° S), with special reference ... Abstract:  We report annual Antarctic krill consumption estimates for crabeater seals in the ... bioenergetic model specifically developed for crabeater seals. Author(s):  J. Forcada and P.N. Trathan (United ... Kingdom) Title:  KRILL CONSUMPTION ESTIMATES FOR CRABEATER SEALS AT THE ANTARCTIC PENINSULA AND THE ...

   Meeting Document : WG-EMM-09/21 : Autor(es): J. Forcada and P.N. Trathan (United Kingdom)

4. Joint research proposal for Dissostichus spp. in Subarea 88.3 by the Republic of Korea and New Zealand

   proposal is for an additional 3 years covering the period 2018, 2019 and 2020. It is designed to build on ... (Parker et al. 2014). A 3-year research plan for this subarea was commenced by Korea in 2016 and new ... Abstract:  Exploratory fishing for toothfish (Dissostichus spp.) in Subarea 88.3 began with a ... coordinated research proposal for presentation at WG-FSA-17 (WG-SAM-17, para 4.89). This joint research ...

   Meeting Document : WG-FSA-17/40 : Autor(es): Delegations of the Republic of Korea and New Zealand

5. Refinements to the strategy for managing depleted fish stocks based on CCAMLR objectives

   Paper Title:  Refinements to the strategy for managing depleted fish stocks based on CCAMLR ... hence that additional management policies are required for depleted stocks. The implications of these ... studies for defining the terms 'depleted' and 'target levels for recovery' are briefly ... been put into effect the target years for recovery become fixed at 20 and 30 years after the procedure ... at first spawning = 5 years (knife-edge) Pooled age-class = 20 years Higher yielding stock ... terms). SIR CV Current PL•20 > 0.95 PONAI.20 = 0.5 PGNAI.30~0.95 Stock at Stock 30 years Lower ... distribution at year 20 is the sum of the projected distributions, for the set of current stock states in the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 467–475 : Autor(es): de la Mare, W.K. and A. Constable

6. Fishery Report 2017: Exploratory fishery for Dissostichus mawsoni in Subarea 48.6

   Description / Abstract:  Fishery Report 2017: Exploratory fishery for Dissostichus mawsoni in ... year are provided. Note: length-frequency distributions are only presented for those years/SSRUs in ... fishery was an exploratory fishery for Dissostichus spp., however, in order to better align the target ... tonnes 486_4 D. mawsoni 100 tonnes 486_5 D. mawsoni 190 tonnes 4. For 2018, a total of three vessels ... , biomass estimation phase and assessment development phase, with a set of decisions and review for the ...

   Document : Site Section: Publications

7. A preliminary model-based approach for estimating natural mortality of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region

   constant across age and sex. In 2018, the independent review of the Ross Sea region D. mawsoni stock ... region stock assessment for Antarctic toothfish (Dissostichus mawsoni), M is assumed to be 0.13 y-1 and ... single value for males and females combined, with a uniform prior within the base model used in 2017 for ... simulations suggested that when the rate of natural mortality was assumed in an operating model, it was ...

   Meeting Document : WG-SAM-2019/04 : Autor(es): B. Moore, S. Mormede, S. Parker and A. Dunn

8. Fishery Report: Closed fishery for Dissostichus spp. (TOT) in Divisions 58.4.4a and 58.4.4b

   no evidence of IUU fishing in 2004, 2008 and 2009. The estimated IUU catch for 2010 was 80 tonnes ... sampled) ranged from 4 to 48 years for females and from 5 to 48 years for males (Figure 3). These ages ... . Ecosystem implications/effects 20. No evaluation available for this fishery. TOT 58.4.4 8 8 ... may be overestimated by one year due to an interpretation issue concerning the location of the first ...

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9. Fishery Report: Closed fishery for Dissostichus spp. in Divisions 58.4.4a and 58.4.4b

   for 2009/10 was 80 tonnes in Division 58.4.4a. 1.3 Size distribution of catches 6. Most D ... for females and from 5 to 46 years for males (Figure 3). These ages may be overestimated by one ... management advice 8.1 Conservation measures 20. The exploratory fishery for Dissostichus spp. in ... (legal and IUU) and assumed the biomass in 2010 to be 20% of B0. An estimate of B0 was then calculated ...

   Document : Site Section: Publications

10. Line weights of constant mass (and sink rates) for Spanish system Patagonian toothfish longline vessels

    shaped steel weights weighing 5 kg would be an appropriate substitute for 8.5 kg rock weights ... Paper Title:  Line weights of constant mass (and sink rates) for Spanish system Patagonian ... hydrodynamically shaped (e.g. torpedo-shaped) steel weights, which are smaller for equivalent weight, and require ... no maintenance. An experiment was conducted on a Spanish-system longline vessel to determine the ... , which are smaller for equivalent weight, and require no maintenance. An experiment was conducted on a ... free-falls in the water column, and the latter pro- vides an estimate of sink rates in the linear ... ) was higher, suggesting that 5 kg steel weights would be an appropriate substitute for 8.5 kg rock ... the linear phases of sink profiles taken 20 s after deployment and are de- rived for a water depth of ...

    Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 93–106 : Autor(es): Robertson, G., C.A. Moreno, E. Gutiérrez, S.G. Candy, E.F. Melvin and J.P. Seco Pon

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