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1. Fishing for structure; can we describe normal patterns in toothfish fishing operations using catch and effort data?

   toothfish in CCAMLR fisheries and link those steps to the variables recorded as part of the CCAMLR catch and ... and their use in identifying erroneous data. The analyses show that many of the useful metrics that ... are needed to control for the influence of multiple variables before we interpret patterns in the data ... Abstract:  We describe the typical steps involved in demersal longline fishing operations for ...

   Meeting Document : WG-FSA-16/36 : Author(s): J.M. Fenaughty and K. Large

2. An exact time of release and recapture stock assessment model applied to Macquarie Island Patagonian toothfish (Dissostichus eleginoides)

   released fish is assigned a length of time in the available population according to its estimated release ... Abstract:  This paper presents an assessment of the harvested population of Patagonian toothfish ... , catches, recaptures, natural mortality, and annual net recruitment are used to assess the population of ... one of the main fishing regions of Macquarie Island: Aurora Trough. The pre-tagging abundance is ...

   Meeting Document : WG-FSA-00/43 : Author(s): G. Tuck, W. de la Mare, W. Hearn, R. Williams, A. Smith, X. He and A. Constable (Australia)

3. A draft MPA Report for the East Antarctica Planning Domain

   guidelines adopted by SC-CAMLR in 2012.  This report provides a synthesis of the scientific information ... ) description of the planning domain, (2) identification of MPA locations in the planning domain, (3) four ... highlighted areas for inclusion in EARSMPA, (4) historical activities, (5) assessment of the MPA(s) and the ... effects of activities, (6) assessment and management of threats, (7) limits on activities permitted in the ...

   Meeting Document : WG-EMM-14/48 : Author(s): A. Constable (Australia), P. Koubbi (France), J. Melbourne-Thomas, M. Sumner, S. Jacob and M. Guest (Australia)

4. Progress report on the Weddell Sea Research Program Stage II

   Abstract:  Results of longline survey on Antarctic toothfish in the Weddell Sea (Stage II) are ... presented in the paper. Options I and II of the survey were carried out from February 10 to February 22 ... , 2014. A total of 34 longlines were set: the Option I – 10+20 and the Option II – 4 at the depths ... average. As a result of the Research program Stage II the entire measured biomass of the Antarctic ...

   Meeting Document : WG-FSA-14/03 Rev. 2 : Author(s): A.F. Petrov, I.I. Gordeev, S.V. Pianova and E. F. Uryupova (Russia)

5. SOME FIELD MATERIALS ON AREA AND SEASON OF ANTARCTIC TOOTHFISH SPAWNING

   to select locations and periods of Antarctic toothfish mass spawning in some areas of the Pacific ... Ocean and Indian Ocean sectors of the Antarctic. In the Ross Sea area the most probable areas are the ... Abstract:  On the results of some field materials collected from 2002 till 2008, on the basis of ... Pacific Antarctic Ridge and the Amundsen Ridge in the Amundsen Sea area. In the Cooperation Sea area the ...

   Meeting Document : WG-FSA-08/14 : Author(s): V. Prutko (Ukraine)

6. Proposal to reposition the boundary between CCAMLR statistical Subareas 58.6 and 58.7

   fishery statistics reported for Subarea 58.7 reflects only part of the fishery in the South African EEZ ... use for management of the fisheries in these two Subareas. We propose that the boundary between ... Abstract:  Subareas 58.6 and 58.7 are closed to fishing outside of the Exclusive Economic Zones ... , whereas statistics for Subarea 58.6 reflects data for the fisheries in the French EEZ at the Crozet ...

   Meeting Document : WG-SAM-15/51 : Author(s): R.W. Leslie (South Africa) and G. Duhamel (France)

7. At-sea distribution and prey selection of Antarctic petrels and commercial fisheries

   the non-breeding season. In a second step, we described the length frequency distribution of Antarctic ... like seabirds. In the Southern Ocean, there is an extensive fishery for Antarctic krill Euphausia ... the ones breeding far away and that disperse during the non- overlap between the distribution of the ... Antarctic krill fisheries and the distribution of a krill dependent seabird, the Antarctic petrel ...

   Meeting Document : WG-EMM-16/P15 : Author(s): S. Descamps, A. Tarroux, Y. Cherel, K. Delord, O.R. Godø, A. Kato, B.A. Krafft, S.-H. Lorentsen, Y. Ropert-Coudert, G. Skaret and Ø. Varpe

8. Using tag-recapture data to estimate catchability of a series of random stratified trawl surveys

   Heard Island and McDonald Islands (HIMI) in Division 58.5.2, a prior for catchability q of the random ... address potential bias in the estimation of q and conclude that the potential bias that may arise from ... fishing selectivity cannot be corrected for given the available data.   In the absence of an unbiased ... used for abundance estimates from trawl surveys in a toothfish stock assessment. The bounds of such as ...

   Meeting Document : WG-SAM-15/34 : Author(s): W. de la Mare, P. Ziegler and D. Welsford (Australia)

9. Extinction risk of Antarctic and sub-Antarctic colonies of Pygoscelid penguins under climate change context

   different colonies around Antarctica. In this study, the extinction risk of Adélie, Chinstrap and Gentoo ... Abstract:  Several studies have emphasized the variable abundance of Pygoscelid penguins from ... penguins was evaluated in order to identify the most endangered colonies under present-day and future ... structure and the response of population dynamics of each colony to exogenous perturbations. The ...

   Meeting Document : WG-EMM-2019/74 : Author(s): M. Huerta and S.A. Estay

10. An evaluation of reduced target strength estimates reported for krill (Euphausia superba)

    assumptions made in calculating target strength. Whether the results of these papers are valid is critically ... ) density dependent effects; and 3) compounding of diel effects. The possible bias in the calculations of ... there is 8-12 db of possible error in the calculations. This is most if not all of the difference cited ... on the same experiment and report new calculations of the target strength of krill (Euphausia superba ...

    Meeting Document : WG-KRILL-90/13 : Author(s): M.C. Macaulay (USA)

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