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1. Age validation of juvenile Notothenia rossii at Potter Cove, South Shetland Islands, using mark-recapture data

   Abstract:  Among all validation methods of age determination in fish, release of known age ... :  Age validation of juvenile Notothenia rossii at Potter Cove, South Shetland Islands, using mark ... Among all validation methods of age determination in fish, release of known age and marked ... Age validation of juvenile Notothenia rossii at Potter Cove, South Shetland Islands, using mark ...

   Meeting Document : WG-FSA-13/P01 : Author(s): E. Moreira, E. Barrera-Oro and M. La Mesa

2. Longterm monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)

   analysis. Results are compared for one (R1) and two year old (R2) age classes. Statistically significant ... . Results are compared for one (R1) and two year old (R2) age classes. Statistically significant ... Abstract:  Krill distribution and density are reviewed for the Elephant Island area with regard ... to the representativeness of the study area (60°- 62°30'S and 53°- 57°30 'W) for the recruitment and density ...

   Meeting Document : WG-EMM-96/45 : Author(s): de la Mare, W., Loeb, V., Siegel, V.

3. Methodology of data collection on net selectivity and accidental mortality of fish passing through the mesh of the codend

   describes an experiment to determine the accidental mortality of fish passing through the trawl codend ... of fish passing through the mesh of the codend Approval:  Approved ... an experiment to determine the accidental mortality of fish passing through the trawl codend. It contains ... Methodology of data collection on net selectivity and accidental mortality of fish passing through ...

   Meeting Document : SC-CAMLR-V/BG/41 : Author(s): Delegation of the USSR

4. Comparison of estimators of effective sample size for catch-at-age and catch-at-length data using simulated data from the Dirichlet-multinomial Distribution

   is an approximate but simple way of modelling the distribution of catch-at-age or catch-at-length frequencies using ... a multinomial likelihood when there is extra-multinomial heterogeneity in age class or length class frequencies ... function in CASAL determines the implicit weight given to the commercial catch-at-age or catch-at-length ... with marginal class probabilities generated using a simple age-structured model incorporating fishing ...

   Meeting Document : WG-SAM-07/7 : Author(s): S.G. Candy (Australia)

5. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2012–13

   ages and ages of larger fish increased in the first few years of the fishery in each area but have ... shallower there in the last four years. There is some evidence for a similar reduction in mean age in SSRU ... of smaller fish on the Slope. Mean ages and ages of larger fish increased in the first few years ... that the age data are given low weighting in the 2013 assessment and that otolith readings for this area ...

   Meeting Document : WG-FSA-13/48 : Author(s): S. Hanchet, S. Mormede and A. Dunn (New Zealand)

6. Feasibility of lead-radium dating the otoliths of blackfin icefish (Chaenocephalus aceratus) and ocellated icefish (Chionodraco rastrospinosus)

   in determining the parameters of future applications that would lead to a validation of age. In the current study ... levels, led to age determinations that had a high margin of uncertainty; however, the findings led ... , but would provide the opportunity to make an age determination that does not reply on growth zone counting ... of otoliths from these species be given a priority whenever possible to facilitate future age and growth ...

   Meeting Document : WG-FSA-10/17 : Author(s): A.H. Andrews, M. La Mesa and J. Ashford (USA)

7. Investigating the uncertainty of age determinations for Patagonian toothfish (Dissostichus eleginoides) and the implications for stock assessment

   of the matrix and a lack of smoothness in the probabilities for ages above 25 years. Positive errors now ... expanded the reference collection to include an additional 50 otoliths with a mean age above 25 years ... and a lack of smoothness in the probabilities for ages above 25 years. Positive errors now aggregate ... the reference collection to include an additional 50 otoliths with a mean age above 25 years. The revised method ...

   Meeting Document : WG-FSA-14/46 : Author(s): P. Burch, P. Ziegler, W. de la Mare and D. Welsford (Australia)

8. Draft integrated stock assessment for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2

   with catch data to 2019 and observations to the end of 2018 including new ageing data from the RSTS ... with catch data to 2019 and observations to the end of 2018 including new ageing data from the RSTS ... , (3) updated growth parameters, (4) updated length-weight relationship parameters, (5) updated maturity-at-age ... surveys and extensive fish ageing to consolidate and estimate recent trends in YCS, the 2021 assessment ...

   Meeting Document : WG-FSA-2019/32 : Author(s): P. Ziegler

9. Krill processing factors

   90% Whole Uncooked Krill Centrifuged (Gutted) Frozen 80% Krill Mince-centrifuged ... (1980-82): Whole Uncooked Krill- Frozen 100% Whole Cooked Krill-Frozen 90% Whole Uncooked Krill ... Centrifuged (Gutted) Frozen 80% Krill Mince-centrifuged 60% Krill Mince-Uncentrifuged 80% Krill Tail Meat 15 ... 60% Krill Mince-Uncentrifuged 80% Krill Tail Meat ...

   Meeting Document : WG-EMM-01/44 : Author(s): D. Rogers (USA)

10. Winter habitat selection by Antarctic krill will increase krill-predator-fishery interactions during ice free years

    during low ice years when ice obligate predators are habitat limited and open waters are available ... that risks to krill-dependent predators are minimized in accordance with Article II of the Convention ... years Microsoft Word File:  emm-15-05.docx Approval:  Approved Secretariat Workflow Status:  Content ... -predator interactions during low ice years when ice obligate predators are habitat limited and open waters ...

    Meeting Document : WG-EMM-15/05 : Author(s): C.S. Reiss, A. Cossio, C.D. Jones, A. Murray, G. Mitchell, J. Santora, K. Dietrich, E. Weiss, C. Gimpel, J. Walsh and G.M. Watters (USA)

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