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1. Further development of the fishery plans

   Abstract:  The Secretariat has been developing Fishery Plans under the Regulatory Framework ... established by the Scientific Committee and Commission. In recent years, Plans have been drafted for the krill ... /6). Each Fishery Plan draws together the history of management measures and fishery requirements ... agreed by the Commission, as well as key operational information for each fishery. In 2004, the ...

   Meeting Document : WG-FSA-SAM-04/04 : Author(s): Secretariat

2. Predation release of Antarctic silverfish (Pleuragramma antarctica) in the Ross Sea

   Abstract:  Between 2001 and 2013 the number of breeding pairs of Adélie penguins (Pygoscelis ... adeliae) at breeding colonies in the southern Ross Sea more than doubled from about 235 000 to more than ... contributed to the increase in Adélie penguin numbers. This paper brings together information on the biomass ... , consumption rates and diets of toothfish and Adélie penguins over the Ross Sea shelf as a first test of the ...

   Meeting Document : WG-EMM-15/53 : Author(s): M.H. Pinkerton, P. Lyver, D. Stevens, J. Forman, R. Eisert and S. Mormede (New Zealand).

3. Extending the time series of catch-weighted length frequencies

   Abstract:  The standard procedure used to extract catch-weighted length frequencies can only make ... use of CCAMLR data for D. eleginoides in Subarea 48.3 collected in the seasons 1992/93 and from 1994 ... /95 onwards. The procedure cannot use the earlier data collected between 1984/85 and 1991/93, and data ... from 1993/94 because of a mismatch in Flag State which presently occurs between the length and catch ...

   Meeting Document : WG-FSA-SAM-06/04 : Author(s): David Ramm & Lydia Millar

4. Results of an acoustic investigation of Antarctic krill, Euphausia superba, biomass-density in the Elephant Island area in January/February 2001

   Abstract:  Results from an acoustic krill survey in the Elephant Island Area carried out Jan 27th ... installed on the R/V “Polarstern”. The collected acoustic data were post-stratified in three strata based on ... demographic results obtained by net sampling. Data files from the 38 kHz and 120 kHz recordings were prepared ... and processed according to protocols used for the CCAMLR 2000 Synoptic Survey. An average biomass ...

   Meeting Document : WG-EMM-02/30 : Author(s): M.A. Thomasson (Sweden), J.H. Emery (USA), J. Rademan (South Africa), R.P. Hewitt (USA) and B.I. Bergström (Sweden)

5. Revised research plan for the exploratory fisheries for Dissostichus spp. in Division 58.4.1 in 2014/15

   Abstract:  The stock sizes for five research blocks (5841_1, 5841_2, 5841_3, 5841_4 and 5841_5 ... ) were estimated by the Petersen estimator and the CPUE x seabed analogy method using updated CCAMLR C2 ... data and reference area sizes. The stock size using the Petersen estimator was generally different from ... that using the CPUE method in each block. As we proposed at the last WG-SAM meeting, since we have yet ...

   Meeting Document : WG-FSA-14/18 : Author(s): Delegation of Japan

6. Abundance and reproductive distribution of Pygoscelids sp. in the northern area of Danco Coast, Antarctic Peninsula

   Abstract:  Studies related to the abundance and reproductive distribution of marine birds have the ... potential to act as ecological indicators. The western Antarctic Peninsula is one of the three sites in the ... world with some of the clearest signals of climate warming. The aim of this study was to monitor the ... penguin (Pygoscelis papua) in the northern sector of the Danco Coast, north-west of the Antarctic ...

   Meeting Document : WG-EMM-12/58 : Author(s): M.M. Santos, E.F. Rombolá, D. González-Zevallos, M.A. Juáres, J. Negrete and N.R. Coria (Argentina)

7. A proposal for the establishment of a Ross Sea region Marine Protected Area

   Abstract:  The delegation of New Zealand proposes the establishment by the Commission for the ... the Ross Sea Region (“Ross Sea Region Marine Protected Area”).  In recognition of the globally ... significant ecological, environmental, scientific and historic values of the Ross Sea Region, and in line with ... the work plan of the Scientific Committee to develop a representative system of Antarctic MPAs, the ...

   Meeting Document : CCAMLR-XXXI/16 Rev. 1 : Author(s): Delegations of New Zealand and the USA

8. Assessment models for Patagonian toothfish in research block 58.4.4b_1 (SSRU 58.4.4bC) for the years 1990-2014

   assessments of Dissostichus eleginoides in the research block 58.4.4b_1 following the recommendation of the WG ... -FSA-2014 meeting. IUU catch was estimated within the models using disease mortality functionality ... at the estimates of OB_1b model, use of knife edge selectivity at fixed 8 year for disease mortality ... tagging data (OB_1b_notag model) and 5) removal of age observations, and fix of both selectivitties at the ...

   Meeting Document : WG-SAM-15/25 : Author(s): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)

9. Revised growth and length-weight parameters for Antarctic toothfish in the Ross Sea region (881 & 882AB)

   Abstract:  We update the estimates of the growth and length-weight parameters for Antarctic ... toothfish (Dissostichus mawsoni) in the Ross Sea region (Subareas 88.1 and SSRUs 88.2AB). We present revised ... estimates of the von Bertalanffy growth curves, estimates of mean length at age using maximum likelihood ... estimation (MLE), and the length-weight relationship based on available CCAMLR SISO data collected from ...

   Meeting Document : WG-FSA-2019/11 : Author(s): A. Dunn and S. Parker

10. LENGTH-BASED ASSESSMENT FOR THE MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARI) IN SUB-AREA 48.3

    Abstract:  The current assessment method for the mackerel icefish (Champsocephalus gunnari) in sub ... -area 48.3 employs the CMIX and GYM packages, deriving population numbers-at-age then projecting these ... numbers forward under the given harvest control rule to set a two-year TAC. One issue is the accurate ... identification of cohorts from the survey model, given the differential age structures observed in the population ...

    Meeting Document : WG-SAM-09/15 : Author(s): R.M. Hillary, D.J. Agnew and R. Mitchell (United Kingdom)

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