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1. Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Bird Island, South Georgia during the 1997 winter and 1997/98 pup-rearing season

   . Only seven seals were observed entangled in the winter, a drop of 59% from 1996. Four of these records ... were from adult females, a much higher proportion than in previous years. The number of entanglements ... in the summer was the lowest recorded to date, being 52% lower than in 1996/97. The percentage of ... entanglements in packaging bands was higher than recent years in both summer and winter. Only one seal sustained ...

   Meeting Document : SC-CAMLR-XVII/BG/11 : Автор(ы): Delegation of the United Kingdom

2. Results of E.L. Holmberg 1995 fish survey in Subarea 48.3

   Abstract:  The survey comprised 48 bottom trawl hauls taken in subarea 48.3. About 80% of the ... hauls were intended as replicates of the position of hauls in the 1994 survey, allowing site by site ... and 1.0 miles from those in the previous survey. Mean densities were obtained considering the spatial ... aggregation of stations in a nested ANOVA model. An increase over last year's values was observed in the ...

   Meeting Document : WG-FSA-95/35 : Автор(ы): Marschoff, E., Madirolas, A., Balestrini, C., Tossonotto, G., Gonzalez, B., Calcagno, J.

3. Catch per unit effort data from the early years of commercial krill fishing operations in the Atlantic sector of the Antarctic

   Abstract:  Catch Per Unit Effort data are presented from krill fishing operations in CCAMLR ... in single years, between years on a Subarea and Area basis, and between oceanic and shelf regions ... observed in the years 1975/76 and 1980/81, wheras the lowest CPUE occurred in Subarea 48.3 in 1977/78. The ... expressed in this regard. Depending on the circumstances a CPUE index may seriously under- or overestimate ...

   Meeting Document : WG-EMM-97/22 : Автор(ы): Sushin, V., Siegel, V.

4. Tooth growth in male Antarctic fur seals (Arctocephalus gazella) from South Georgia: an indicator of long-term growth history

   in longitudinal sections of teeth. Mean age at death was 7∙69 ± 0∙07 years and this showed a small ... provided an indication of body growth, Tooth growth rate was lowest in seals which died early (age 4 years ... ) and increased with age at death. Changes in the growth pattern of teeth suggested that fur seals which ... became sexually mature early also died early. Tooth growth layers deposited in each calendar year were ...

   Meeting Document : WG-CEMP-93/11 : Автор(ы): I.L. Boyd and J.P. Roberts (United Kingdom)

5. Population change in gentoo penguins Pygoscelis papua at South Georgia: potential roles of adult survival, recruitment and deferred breeding

   Abstract:  Data on breeding population size and breeding success in gentoo penguins at Bird Island ... , South Georgia from 1977-1992 are used, in conjunction with empirical (and some hypothetical) data on ... survival and recruitment rates, to model the fluctuations in breeding populations, taking account of ... generally good agreement between observed and predicted breeding populations, except in four years, when ...

   Meeting Document : WG-CEMP-93/08 : Автор(ы): J.P. Croxall and P. Rothery (United Kingdom)

6. Notes on the use of virtual population analysis for stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1990/91 and 1991/92 seasons

   . gunnari population in Subarea 48.3 at WG-FSA-91 using VPA, attempts were made to re-work the analysis ... , dominated in recent years by the 1987 year class (1 year olds in 1988), was quite robust, despite the use of ... various combinations of survey and cpue indices for tuning. According to the VPA the population in 1991/92 ... Falklands Protector in January 1992. Breakdown in the credibility of the VPA results in most recent years is ...

   Meeting Document : WG-FSA-92/27 : Автор(ы): G. Parkes (United Kingdom)

7. Results of Phase I and II of the research program for toothfish fishery in Subarea 88.3 during the 2010/11–2011/12 seasons

   Abstract:  In 2011 and 2012 in Subarea 88.3 research fishing of toothfish has been conducted by ... Russia. In 2011 fishing was carried out by Russian longliner “Sparta” out and in 2012 it was longliner ... 2336 m. Total number of set hooks amounted 171096. In 2011 research fishing covered SSRU B, C and D ... , and in 2012 ice conditions were much worse and longlines were set only in SSRU C. Collected in ...

   Meeting Document : WG-SAM-12/05 : Автор(ы): A.F. Petrov, V.A. Tatarnikov, K.V. Shust, I.I. Gordeev, E.F. Kulish (Russia)

8. Potential modelling structures for a two-area stock assessment model for Antarctic toothfish (Dissostichus mawsoni) in the Amundsen Sea Region

   Abstract:  Two-area population models for Antarctic toothfish in the Amundsen Sea Region were ... developed further as current single area models did not fully explain the patterns in the observed data on ... , these models were limited to data collected in SSRU 88.2H as there were few data available to inform ... estimation of biomass in SSRUs 88.2C–G. Additional data resulting from a two-year research plan implemented ...

   Meeting Document : WG-SAM-15/49 : Автор(ы): S. Mormede, S.J. Parker, A. Dunn and S.M. Hanchet (New Zealand)

9. Revised research plan for the 2017/18 toothfish fishery in Division 58.4.4b by Japan and France

   Abstract:  Japan and France revised the next season’s (2017/18) research plan in research blocks ... -SAM meeting in 2017. We have used extracted data provided by the CCAMLR Secretariat on 27th July, 2017 ... . The estimated median stock size in block 58.4.4b_1 and 58.4.4b_2 was 1452.03 and 921.91, tonnes ... respectively, in Chapman method considering tags released in the last three years as effective for the biomass ...

   Meeting Document : WG-FSA-17/11 : Автор(ы): Delegations of Japan and France

10. A preliminary assessment and revised growth model of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2017 random stratified trawl survey

    Abstract:  The annual random stratified trawl survey was undertaken in Division 58.5.2 in the ... , abundance and yield in Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods (CMIX and ... growth model based on recent cohort progressions indicated an increase in size-at-age compared to the ... parameters resulted in only a small impact on yield.  Catches of 526 t in the 2017/18 season and 395 t in the ...

    Meeting Document : WG-FSA-17/22 : Автор(ы): D. Maschette, P. Burch, P. Yates and D. Welsford

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