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1. Simulations to evaluate model performance for Antarctic toothfish stock assessment in the Amundsen Sea region

   shown promising results to date, with 8 interseason tags recaptured in the South area in 2016 and 12 ... (preliminary recaptures) in 2017. The aim of this paper is to ascertain when the Amundsen Sea region stock ... in estimates of biomass, the likely biases, and to set expectations for mark-recapture data for the ... models showed that using two independent models lead to higher estimates of biomass in the North and ...

   Meeting Document : WG-SAM-17/40 : Autor(es): S. Mormede and S. Parker

2. Characterisation of the toothfish fishery in the Ross Sea region (Subarea 88.1 and SSRUs 88.2A–B) through 2018/19

   Abstract:  This report summarises fishing catch and effort in the Ross Sea region (Subarea 88.1 ... the 2019 season. The implementation of the Ross Sea Region Marine Protected area in December of 2017 ... distributions showed no trends in the different management areas; interannual variability is likely driven by ... spatial patterns in fishing. The strongest time trend in the data is the change in the sex ratio over time ...

   Meeting Document : WG-FSA-2019/07 : Autor(es): J. Devine, S. Parker and A. Dunn

3. Entanglement of Antarctic fur seals (Arctocephalus gazella) in man made debris at Bird Island, South Georgia, during the 2006 winter and 2006/07 breeding season

   total of 41 winter entanglements were observed in the reporting period compared to 2 observed in the ... previous winter. This is the second highest winter total since records began in 1990 (the highest was in ... loop of rope similar to that shown in appendix three. Plastic packaging bands were the second most ... ) were involved in 56% of all entanglements in winter and 53% in the summer. Overall females made up the ...

   Meeting Document : SC-CAMLR-XXVI/BG/17 : Autor(es): Delegation of the United Kingdom

4. Preliminary analyses in support of the CEMP Review Workshop: serial correlations

   Abstract:  As part of the preliminary analyses undertaken in preparation for the CEMP Review ... Workshop, the Secretariat has documented serial correlation in time series of CEMP indices. The values ... input to the serial correlation analysis were the ‘transformed’ annual index values reported in WG-EMM ... -03/24. Serial correlation in biological indices occurred in 4, 10 and 33 % of the time series at ...

   Meeting Document : WG-EMM-03/27 : Autor(es): Secretariat

5. Relationship between Antarctic krill (Euphausia superba) variability and westerly fluctuations and ozone depletion in the Antarctic Peninsula area

   Abstract:  An assessment of the environmental processes influencing variability in the recruitment ... and density of Antarctic krill (Euphausia superba) is important, as variability in krill stocks ... affects the Antarctic marine ecosystem as a whole. We have assessed variability in krill recruitment and ... . We found a significant positive correlation between krill recruitment in the Antarctic Peninsula area ...

   Meeting Document : WG-EMM-99/52 : Autor(es): M. Naganobu, K. Kutsuwada, Y. Sasai and T. Taguchi (Japan) and V. Siegel (Germany)

6. SOUTHERN OCEAN SENTINEL: REPORT OF THE FIRST INTERNATIONAL WORKSHOP IN 2009

   held at the CCAMLR Headquarters in Hobart in April 2009. The conclusions of that workshop are provided ... presentations. A report of the workshop will be submitted to the Scientific Committee for its considerations in ... . This process will fill an important gap in current discussions on climate change impacts on marine ... ecosystems by the Intergovernmental Panel on Climate Change. It will also assist CCAMLR in addressing climate ...

   Meeting Document : WG-EMM-09/37 : Autor(es): A.J. Constable

7. Reproduction in Antarctic notothenioid fish - a review

   Abstract:  Abstract: Gonad maturation in Antarctic notothenioid fish is a biennial process ... gunnari in the Atlantic Ocean sector do not spawn each year. Gonadosomatic index (GSI) of females is 15–40 ... –20% of that of females. Length at first spawning may be from 55% of Lmax onwards, but in many species ... Zone are autumn/winter spawners, whereas in the High-Antarctic Zone more species spawn in summer and ...

   Meeting Document : SC-CAMLR-X/BG/12 : Autor(es): Delegation of Germany

8. Progress towards an assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 882C–H for the years 2002/03 to 2017/18 using a two-area model

   Antarctic toothfish (Dissostichus mawsoni) in the Amundsen Sea region, defined here as SSRUs 88.2C–H. The ... were first developed for the region in 2014 and refined in 2015 and 2016. Results showed the need to ... collect mark-recapture data in the South to inform the estimation of biomass in the South. Simulation work ... undertaken in 2017 showed that if tag recaptures continued in the south, and were spread among research ...

   Meeting Document : WG-FSA-18/37 : Autor(es): S. Mormede and S. Parker

9. Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Bird Island, South Georgia, during the 2003 winter and 2003/04 breeding season

   Abstract:  In the fourteenth consecutive winter of the survey at Bird Island, South Georgia, the ... classified as severe (71%). In contrast the sixteenth consecutive summer of reporting saw a decrease of 45 ... made in 1989. Severe injuries accounted for only a single entanglement during the summer. As in ... previous years, most individuals observed entangled in debris were juveniles (79% of winter and 55% of ...

   Meeting Document : SC-CAMLR-XXIII/BG/14 : Autor(es): Delegation of the United Kingdom

10. Shedding new light on the life cycle of mackerel icefish in the Southern Ocean

    Abstract:  Mackerel icefish (Champsocephalus gunnari) has a widespread distribution in the ... considerably between populations in the southern Scotia Arc and those living further to the north. Fish living ... in the north mature one year earlier than in the south. They have a much shorter life span and die ... in the north. Stocks have declined in most parts of the distributional range due to the impact of ...

    Meeting Document : WG-EMM-03/4 : Autor(es): K.-H. Kock (Germany) and I. Everson (United Kingdom)

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