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1. Influence of the quality and quantity of data from a multi-year tagging program on bias and precision of biomass estimates from an integrated stock assessment – update

   and the resulting data should not be used in stock assessments with only few years of data available ... SSB0 and SSB status in the assessment year stabilized or were relatively small with a tag size-overlap ... . Biomass estimates generally improved with more and better quality tagging data, however important nuances ... emerged within this overall trend. The results show that in the early stages of the tagging program, a ...

   Meeting Document : WG-FSA-12/18 : Автор(ы): P.E. Ziegler (Australia)

2. Krill, salps and other dominant zooplankton taxa in the Elephant Island area during the 1997 austral summer

   /95. These occurred after a relatively early 1996 spawning season that theoretically should have ... larval survival and recruitment even when krill spawning is relatively early. Salp abundance values ... , resulted from massive population growth during summer. This bloom, as those in previous "salp years ... ", followed a winter with relatively low sea-ice development. The other zooplankton collected ...

   Meeting Document : WG-EMM-97/33 : Автор(ы): Puglise, K., Outram, D., Loeb, V.

3. Environmental variability and the behavioural dynamics of Antarctic fur seals in the South Atlantic

   to link variability in predator performance with specific measurements of oceanographic variability ... gazella) over 15 years at the island of South Georgia in relation to major indices of southern hemisphere ... climate variation. Fur seal foraging trip duration was transformed into a normally distributed index of ... combination with ENSO or sea ice indices. Lagged cross-correlations showed that the ENSO and sea ice indices ...

   Meeting Document : WS-AREA 48-98/16 : Автор(ы): I.L. Boyd (UK)

4. Variation in reproductive performance of seabirds and seals at South Georgia, 1976–1986 and its implications for southern ocean monitoring studies

   success, foraging trip duration and offspring growth rate. 1977-78 and 1983-84 were summers of ... Island are not synchronised with those at South Georgia. They correlate best (and especially for ... Chinstraps, which suffered badly in 1980-81 and 1982-83) with the date of ice break-out in late spring ... . Detailed comparisons between normal and abnormal years are made of a range of parameters of albatross ...

   Meeting Document : SC-CAMLR-VI/BG/15 : Автор(ы): J.P. Croxall, T.S. McCann, P.A. Prince and P. Rothery (United Kingdom)

5. Variation or reproductive performance of seabirds and seals at South Georgia, 1976–1986 and its implication for Southern Ocean monitoring studies

   success, foraging trip duration and offspring growth rate. 1977-78 and 1983-84 were summers of ... Island are not synchronised with those at South Georgia. They correlate best (and especially for ... Chinstraps, which suffered badly in 1980-81 and 1982-83) with the date of ice break-out in late spring ... . Detailed comparisons between normal and abnormal years are made 'of a range of parameters of albatross ...

   Meeting Document : WG-CEMP-87/13 : Автор(ы): J.P. Croxall, T.S. McCann, P.A. Prince and P. Rothery (United Kingdom)

6. Effects of different harvesting strategies on the stock of Antarctic icefish Champsocephalus gunnari around South Georgia

   years after a good recruitment,- pulse fishing at an interval of 3 years with no fishing in between;- a ... fishing mortality (F0.1, Fmax, 2xFmax),- harvesting contantly at 50%F0.1 with an increase of F 3 or 6 ... of the incoming year class. An increaseof F, however, should not occur before 4 years after a good ... Champsocephalus gunnari have been simulated for a period of 30 years. These were- diffierent levels of constant ...

   Meeting Document : SC-CAMLR-VIII/BG/47 : Автор(ы): Delegation of Federal Republic of Germany

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 2019

   year. Catches of skates were similar to those of the last three years, which have been higher than ... Abstract:  During late March to early April 2019, the annual random stratified trawl survey (RSTS ... ) around Heard Island and McDonald Islands (HIMI) was conducted in CCAMLR Division 58.5.2, with the ... design and the duration of the hauls were similar to recent surveys, but with a new set of randomly ...

   Meeting Document : WG-FSA-2019/03 : Автор(ы): G.B. Nowara, T.D. Lamb and P. Ziegler

8. Hook loss in CCAMLR exploratory fisheries

   hook loss data was provided by 21 of the 34 vessel/fishery reports with an estimated 317920 hooks lost ... Abstract:  The development of methods to estimate unaccounted fishing mortality from lost fishing ... lines requires an estimate of the number of lost hooks that are attached to sections of line. In 2011 ... attached to sections of lines.  In 2012 15 of the 26 vessel/fishery reports provided non-zero data with an ...

   Meeting Document : WG-FSA-12/65 : Автор(ы): Secretariat

9. Changes in the foraging range of Adélie penguins as the breeding season progresses

   season of Adélie penguins nesting at Béchervaise Island on the Mawson coast of Eastern Antarctica. A ... consistently used as access to the sea during incubation. 3. Kernel analyses showed that penguins foraged most ... with the changing requirements of adults and chicks. However, increases in range as the chick rearing ... period progresses are also consistent with prey depletion and intraspecific competition. 5. Projection of ...

   Meeting Document : WG-EMM-04/57 : Автор(ы): J. Clarke and L. Emmerson (Australia)

10. REPORT OF THE UK GROUNDFISH SURVEY AT SOUTH GEORGIA (CCAMLR SUB-AREA 48.3) IN JANUARY 2009

    assumed to be 3+. Very few juvenile fish were observed except in the south eastern sector of the South ... )) was 31,753 t with a lower 1-sided CI at 18,904 t. Catches of icefish across the region were dominated ... Georgia shelf. Icefish diet was dominated by the amphipod, Themisto gaudichaudii with very low levels of ...

    Meeting Document : WG-FSA-09/09 : Автор(ы): M. Belchier, R.E. Mitchell, M.A. Collins, L. Kenny, M. Taylor, J. Nelson and L. Featherstone (United Kingdom)

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