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1. Fishery Report 2013: Exploratory fishery for Dissostichus spp. in Subarea 48.6

   Description / Abstract:  Fishery Report 2013: Exploratory fishery for Dissostichus spp. in Subarea ... , biomass estimation phase and assessment development phase, with a set of decisions and review for the ... and maturity stage, as well as collection of otoliths for age determination of the target and most ... of D. mawsoni and D. eleginoides caught in this fishery are presented for all years in which the ... -frequency distributions are only presented for those years/SSRUs in which the number of fish measured was ...

   Document : Site Section: Publications

2. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2006/07 season

   Abstract:  We provide an update of the Bayesian sex and age structured population stock assessment ... ), using revised catch, catch-at-age, and tag-recapture data for the 2007 season. The updated reference ... lower recapture rate by non-New Zealand vessels, particularly in the early years. The reason for this is ... data for all vessels in all years were used, then the estimated initial biomass was higher (B0=110 130 ...

   Meeting Document : WG-FSA-07/37 : Autor(es): A. Dunn and S.M. Hanchet (New Zealand)

3. Key considerations for planning a large-scale krill survey

   useful basis for designing future surveys, subject to a review which should be the first task in ... Abstract:  Article II of the Convention requires the Commission to maintain harvested populations ... management (FBM) approaches for the krill stock in subareas 48.1 to 48.4. These approaches include some which ... ) might also play a role in the future management of the krill fishery. Such surveys provide an indication ...

   Meeting Document : WG-EMM-15/27 : Autor(es): S. Hill, J. Watkins (United Kingdom), O.R. Godø (Norway), S. Kawaguchi (Australia), D. Kinzey, C. Reiss (USA), V. Siegel (Germany), P. Trathan (United Kingdom) and G. Watters (USA)

4. A preliminary assessment for mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2019 random stratified trawl survey

   in the 2019/20 season and 406 t in the 2020/21 season, respectively, satisfied the CCAMLR decision ... provides a preliminary assessment for mackerel icefish (Champsocephalus gunnari) population structure ... , abundance and yield in Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods (CMIX and ... rules. Author(s):  D. Maschette, G. Nowara and D. Welsford Title:  A preliminary assessment for mackerel ...

   Meeting Document : WG-FSA-2019/02 : Autor(es): D. Maschette, G. Nowara and D. Welsford

5. Revised input parameters and implications for the Antarctic toothfish (Dissostichus mawsoni) stock assessment in Subareas 88.1 and 88.2

   Antarctic toothfish stock assessment for the Ross Sea fishery. In particular we review catch history, length ... were updated, as are some modelling parameters, and methods for calculating age- and length-frequencies ... -weight relationships, catch-at-length and catch-at age. In addition, we report some preliminary model ... consistent patterns in length frequencies over the duration of the fishery. Including terms for nation ...

   Meeting Document : WG-SAM-07/6 : Autor(es): A. Dunn and S.M. Hanchet (New Zealand)

6. Fishery Report 2014: Exploratory fishery for Dissostichus spp. in Division 58.4.1

   Description / Abstract:  Fishery Report 2014: Exploratory fishery for Dissostichus spp. in ... to 30 November 2014). Fishery Report 2014: Exploratory fishery for Dissostichus spp. in ... Ocean sector of the Convention Area remains an issue for the Commission. Estimates of IUU fishing in ... a set of decisions and review for the progression between stages. 9. In order to obtain the data ... representative samples of length, weight, sex and maturity stage, as well as collection of otoliths for age ...

   Document : Site Section: Publications

7. Assessing data requirements for tag-based estimates of local biomass in data-poor and exploratory fisheries

   achieving the same level of accuracy to 80%, a minimum of 20 tagged fish recaptures were required when ... Abstract:  This study used an operating model to simulate a Dissostichus eleginoides population in ... will have a high risk of over-estimating biomass and that for a given number of tagged fish available a ... minimum numbers of recaptures are required to ensure a low likelihood of biomass overestimation. For ...

   Meeting Document : WG-SAM-17/13 : Autor(es): L. Robinson, P. Burch and K. Reid

8. Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the number of concentrations and analytical justification for search data

   number of concentrations and analytical justification for search data Abstract / Description:  In this ... 1980s. These examples highlight the need for a navigational log as well as a fishing log in order to ... make accurate inferences. In the appendix, a method for correcting for the bias in the detection of ... ). (Figure A6 of Appendix 5 of the Krill CPUE Working Group Report contains an error for the curve in which ... (1989) concentrations are presumed to persist for the entire fishing period of14 to 30 days.) 290 ... simulation study of krill fishing by an individual Japanese trawler. Scientific Committee for the ... 18.9 hrs 693.6 (4-8), 61.2 (8-9) 1 290.4 50" 40' 20" o' 20' 40' 10' 30' 30' 10" 50" 60" 60 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 283–322 : Autor(es): Mangel, M.

9. The effect of temporal variability on power analysis predictions for Adélie penguin CEMP parameters at Béchervaise Island

   generated using an exponential model compared with a linear model for short term monitoring programs of up ... (5.2 – 6.7%). For example, with a 10 year monitoring program it is possible to detect fixed increases ... or decreases larger than 2% each year with more than 80% power. Increasing the duration of the ... Abstract:  There are unresolved issues surrounding the use of power analyses for examining the ...

   Meeting Document : WG-EMM-03/49 : Autor(es): L.M. Emmerson and C. Southwell (Australia)

10. Marine Ecosystem Assessment for the Southern Ocean (MEASO)

    held in Hobart in early April 2018 (http://www.measo2018.aq/). The conference provided an opportunity ... researchers.  For this survey, an indication of where and when national research programmes have conducted ... Abstract:  A first Marine Ecosystem Assessment for the Southern Ocean (MEASO) is under development ... happening now and into the future, and what may need to be planned for, in terms of research and management ...

    Meeting Document : SC-CAMLR-XXXVII/BG/22 : Autor(es): A. Constable, J. Melbourne-Thomas, R. Trebilco and M. Brasier

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