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1. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region for the years 1997–98 to 2014–15

   -Carlo Markov Chain (MCMC) diagnostics suggested no evidence of non-convergence in the key biomass ... Abstract:  We provide an update of the Bayesian sex and age structured population stock assessment ... for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region (Subareas 88.1 and SSRUs 88.2A–B ... ), using catch, catch-at-age, and tag-recapture data from 1997–98 to 2014–15 and including the results from ...

   Meeting Document : WG-FSA-15/38 : Autor(es): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)

2. Detection of growth zones in the eyestalk of the Antarctic krill Euphausia superba (Dana, 1852) (Euphausiacea)

   Abstract:  No reliable measures of age currently exist in the Antarctic krill, Euphausia superba ... (Dana, 1852). The eyestalks from 51 individuals were dissected, cut in longitudinal sections and studied ... for identifying growth zones. The krill was collected at the South Orkney Islands during January and ... , each zone consisting of one light and one dark section. The width of the longitudinal sections ...

   Meeting Document : WG-EMM-16/P02 : Autor(es): B.A. Krafft, M. Kvalsund, G. Søvik, E. Farestveit and A.-L. Agnalt

3. Diet composition and feeding strategy of Antarctic toothfish, Dissostichus mawsoni in the research blocks 58 and 88 for the exploratory longline fishery in 2014–2018 of Korea

   Abstract:  The stocks of Antarctic toothfish, Dissostichus mawsoni were a relatively economically ... and ecologically important fishery resource in the waters of Antarctic. However, there is not enough ... data and information to assess the robust stocks and deliberate proper measurements for sustainable ... stock assessments and fishery managements. Therefore, the Korean scientists analyze diet composition and ...

   Meeting Document : WG-FSA-18/24 : Autor(es): G.W. Baeck, S.-G. Choi, S. Chung and D.H. An

4. Disentangling the influence of three major threats on the demography of an albatross community

   seabirds, globally. Understanding the relative influence and compounding nature of marine and terrestrial ... threats on the demography of seabird communities is vital for evidence-based conservation. Using 20 years ... ) at subantarctic Macquarie Island, we quantified the temporal variability in survival, breeding ... probability and success. In three species (excluding the wandering albatross because of the small population ...

   Meeting Document : WG-FSA-2019/34 : Autor(es): J.B. Cleeland, D. Pardo, B. Raymond, G.N. Tuck, C.R. McMahon, R.A. Phillips, R. Alderman, M.-A. Lea and M.A. Hindell

5. An experimental approach for the Antarctic krill fishery: advancing management and conservation through the use of Krill Reference Areas and Krill Fishing Areas

   Abstract:  We review reasons why the fishery for Antarctic krill is challenging to manage and ... continues. We propose an experimental framework to help improve the scientific basis for management. This ... to fishing, coupled with the use of Krill Reference Areas and Krill Fishing Areas. We use the ... characteristics, as the geographic and spatial basis for a set of differing treatments. We also consider the ...

   Meeting Document : WS-SM-18/05 : Autor(es): P.N Trathan and O.R. Godø

6. Bias in the estimation of krill yield from using a deterministic formulation of the median unexploited spawning biomass

   level of escapement. The generalised yield model uses an unbiased estimate of SB0 and, thus, requires no ... krill yields according to decision rules that relate spawning stock status to the median unexploited ... spawning biomass, SB0. The first model has been developed specifically for krill, the krill yield model ... , while the second is a generalised yield model. The decision rules relate to the effects of a specified ...

   Meeting Document : WG-EMM-97/45 : Autor(es): de la Mare, W.K., Constable, A.J.

7. Estimates of abundance of Dissostichus eleginoides and Champsocephalus gunnari from the random stratified trawl survey in the waters surrounding Heard Island in Division 58.5.2 for 2018

   Abstract:  The annual random stratified trawl survey (RSTS) of 2018 around Heard Island and ... McDonald Island (HIMI) in Division 58.5.2 took place from the end of March to the end of April, with the ... completion of 163 stations plus eight extra fine mesh hauls. The survey was conducted on the FV Atlas Cove ... . Sampling protocols such as the design and the duration of the hauls were similar to recent surveys, but ...

   Meeting Document : WG-FSA-18/55 : Autor(es): G. Nowara, T. Lamb and P. Ziegler

8. Relationship between distribution of Antarctic krill (Euphausia superba) and environmental index MTEM-200 in the Antarctic Ocean throughout the year

   subject since the British Discovery Reports. However, there was no remarkable achievement in particular ... Abstract:  Antarctic krill (Euphausia superba) is the key species of the Antarctic marine ... oceanographic conditions have been an age-old recurrent problem and many papers have been published on the ... the entire Antarctic Ocean. To clarify the relationship between krill distribution of krill and ...

   Meeting Document : WG-EMM-08/32 : Autor(es): M. Naganobu, T. Kitamura and K. Hasunuma (Japan)

9. Results from the random stratified trawl surveys to estimate distribution and abundance of Dissostichus eleginoides and Champsocephalus gunnari in the Heard Island region (Division 58.5.2) for 2010 and 2011

   2011 on the RV Southern Champion, adding to the time series of annual surveys in Division 58.5.2 that ... the September 2010 survey were used in the stock assessment as they provided valuable additional ... the average catch for the previous four years (2006-2009).  Catches of C. gunnari were very low, with ... the 2011 catch, at less than 0.5 t, 15% of the earlier four year average, and the 2010 catch being 60 ...

   Meeting Document : WG-FSA-11/23 : Autor(es): G.B. Nowara, S.G. Candy and T. Lamb (Australia)

10. The use of electronic monitoring camera system for the toothfish fishery in CCAMLR Subarea 48.3: a study case to help CCAMLR

    reviewers watching the video footage. No significant differences were found in the number of all species of ... Abstract:  Sampling methods to determine the composition and nature of the catch of the longlining ... CCAMLR observers deployed on the fishing fleet. The collection of this data is important for the ... assessment and management of the fishery. This independent estimation of the total catch in the fishery ...

    Meeting Document : WG-FSA-14/27 : Autor(es): R.A. Benedet (United Kingdom)

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