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1. Quantifying uncertainty in the Chapman mark-recapture estimate of abundance

   estimate biomass in the initial stage of developing an assessment. This short paper describes the use of ... the R package tagr to obtain Petersen / Chapman estimates of abundance. The package implements a non ... WG-FSA encourage Members to provide estimates of uncertainty associated with indicative biomass ... . Welsford (Australia) Title:  Quantifying uncertainty in the Chapman mark-recapture estimate of abundance ...

   Meeting Document : WG-FSA-15/49 : Autor(es): P. Burch (Australia), S. Parker (New Zealand) and D. Welsford (Australia)

2. Preliminary insights of Antarctic toothfish sub-adults life-history traits from the southern Weddell Sea (Subarea 48.5)

   Abstract:  A few sub-adults of the Antarctic toothfish (Dissostichus mawsoni) were collected by ... -Larsen Ice Shelf. In this document we report first data on individual age, gonad stage of maturity and ... were immature, showing an age range of 10-13 years. Main prey consisted of Antarctic silverfish and ... daggertooth. Author(s):  M. La Mesa, F. Donato and E. Riginella Title:  Preliminary insights of Antarctic ...

   Meeting Document : WG-FSA-18/06 : Autor(es): M. La Mesa, F. Donato and E. Riginella

3. Report on recent French catches of sea pens (Pennatulacea) in Lena Bank (CCAMLR sector 58.4.4b)

   Abstract:  Important catches of sea pens (Pennatulacea, NTW) in the 58.4.4b sector (Lena bank ... ) have been reported during the CCAMLR SAM Working Group 2018 (see WG-SAM-18/31 "Annual report of ... delegations). Detail of French catches, with abundances and weights are provided here (Tab.1). Data and ... includes the exhaustive collection of the organisms caught by the longlines (see WG-EMM-17/09). This report ...

   Meeting Document : WG-FSA-18/23 : Autor(es): A. Martin, J. Blettery and M. Eléaume

4. Research program to examine the life- cycle and resource potential of Dissostichus spp. in the Special Research Zone within the Ross Sea region marine protected area (RSRMPA) in 2019–2027

   potential for Dissostichus spp. in Ross Sea. This paper presents the   research program in the frame of the ... Abstract:  Russian Federation is going to continue investigation  of life –cycle and resource ... Zone during 2019- 2027 or the first reference period for existence of the RSRMPA.   This program ... vessel from other CCAMLR members. Author(s):  Delegation of the Russian Federation Title:  Research ...

   Meeting Document : WG-SAM-2019/17 : Autor(es): Delegation of the Russian Federation

5. Annual migrations of pelagic fish stocks into a krill hotspot

   Abstract:  We report here on the existence of seasonal fish migrations into a krill hotspot ... from krill on a single frequency. Trawl catches in the area during 2019 gave high densities of mackerel ... frequency response may be similar to that of krill at the commonly used frequencies of 38 and 120 kHz ... . Author(s):  T. Klevjer Title:  Annual migrations of pelagic fish stocks into a krill hotspot Approval ...

   Meeting Document : WG-EMM-2019/33 : Autor(es): T. Klevjer

6. Summary of incidental mortality associated with fishing activities collected in scientific observer and vessel data during the 2019 season

   Abstract:  This paper summarises data collected by Scheme of International Scientific Observation ... observers and vessels, of incidental interactions between fishing vessels, seabirds and marine mammals ... seal morality event which occurred at the end of the 2018 season. Incidental mortality numbers for ... number of birds killed is 103. Author(s):  CCAMLR Secretariat Title:  Summary of incidental mortality ...

   Meeting Document : WG-FSA-2019/16 Rev. 2 : Autor(es): CCAMLR Secretariat

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

   Abstract:  Commercial fisheries may impact marine ecosystems and affect populations of predators ... superba that is projected to increase further. Comparing distribution and prey selection of fishing ... 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 : Autor(es): 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. OPERATION PATTERN OF A JAPANESE COMMERCIAL KRILL FISHING VESSEL IN THE ANTARCTIC OCEAN

   Abstract:  This paper describes the general operation pattern of F/V Fukuei-Maru to help ... understand the actual condition of fishing and processing Antarctic krill in Japanese commercial trawl ... fishery. Special attention is paid to the calculation of green weight and conversion factors. Author(s ... ):  F. Matsumoto and M. Suito (Japan) Title:  OPERATION PATTERN OF A JAPANESE COMMERCIAL KRILL FISHING ...

   Meeting Document : WG-EMM-11/29 : Autor(es): F. Matsumoto and M. Suito (Japan)

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

   use of CCAMLR data for D. eleginoides in Subarea 48.3 collected in the seasons 1992/93 and from 1994 ... from 1993/94 because of a mismatch in Flag State which presently occurs between the length and catch ... extended the existing time series of catch-weighted length frequencies for D. eleginoides in Subarea 48.3 ... an overlap of seasons. However there is a systematic difference in the overall number of fish ...

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

10. A single-area stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea for the 2004/05 season

    ). A range of model sensitivities were examined, with the base case assuming the Ross Sea fishery as a ... evidence of non-convergence, particular in the declining right-hand limb of the fishing selectivity ... this would have little impact on the estimates of key model parameters and yield estimates. MCMC ... estimates of initial (equilibrium) spawning stock abundance (B0) were 69 400 t (95% credible intervals 47 ...

    Meeting Document : WG-FSA-05/33 : Autor(es): A. Dunn, D.J. Gilbert and S.M. Hanchet (New Zealand)

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