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1. Preliminary study on the breedings of chinstrap and gentoo penguins at Barton Peninsula, King George Island

   following years. Some suggestion for the further research in this rookery are also mentioned. Author(s):  H ... CCAMLR standard method. A total of 96 nests for chinstraps and 121 nests for gentoos were monitored to ... . December and 25, December respectively for gentoos and chinstraps. The number of chicks per nest which were ... raised successfully to the creche stage was used as a measure of breeding success. Of the whole nests ...

   Meeting Document : WG-CEMP-93/23 : Autor(es): H.-C. Shin and S. Kim (Republic of Korea)

2. Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Bird Island, South Georgia during the 1998 winter and 1998/99 pup-rearing season

   highest total of 1988/89. Overall occurrence of entanglement in summer and winter is still down by 80-90 ... Georgia for the ninth consecutive winter (1998) and eleventh consecutive summer (1998/99) are reported ... here. The number of seals observed entangled in the winter (13) represented an 86 % increase on the ... 1997 winter total and an 87 % decrease on the highest previous total (1992). The proportion of animals ...

   Meeting Document : SC-CAMLR-XVIII/BG/05 : Autor(es): Delegation of the United Kingdom

3. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2013–14

   of the fishery – the reason for this is unclear. There has been a slight reduction in mean age in ... biological aspects and catch of Antarctic toothfish up to an including the 2014 season. In 2014, the Ross Sea ... . As in recent years, the remaining catches came mainly from SSRUs 88.1C, 88.1J, and 88.2H ... 12 years with a slight decline in the past two years. Length frequency distributions of Antarctic ...

   Meeting Document : WG-FSA-14/52 : Autor(es): M. Stevenson, S. Hanchet, S. Mormede and A. Dunn (New Zealand)

4. Fishing and conservation in southern waters

   . The former Soviet Union has been the most important fishing nation, taking 80-90 % of the entire catch ... and the Kerguelen Islands. After 15 years of exploitation, most fish stocks have been heavily depleted ... . The krill catch from the Southern Ocean has been 4.9 million tonnes to date. More than 90 % of this ... catch originated from the Atlantic sector. 50- 90 % is taken from the foraging range of land-based ...

   Meeting Document : SC-CAMLR-XII/BG/11 : Autor(es): Delegation of Germany

5. Long-term changes in the size composition of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, after the 1978–1980 fishery in the area

   Abstract:  Fish samples collected through an overall period of 24 years at Potter Cove after the ... 1986/7 and the duration of the inshore phase of the species, which is known to last for 6-7 years. In ... impact of the fishery in the area in 1978-80, allowed the comparison of the variations in mean annual ... reported for the period 1983- 1991/2 is consistent with the increase in mean size observed between 1983 and ...

   Meeting Document : WG-FSA-07/52 : Autor(es): E.R. Marschoff, E.R. Barrera-Oro and N.S. Alescio (Argentina)

6. 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

   growth model based on recent cohort progressions indicated an increase in size-at-age compared to the ... vicinity of Heard Island and the McDonald Islands during April 2017. This paper provides an updated growth ... model and a preliminary assessment for mackerel icefish (Champsocephalus gunnari) population structure ... , abundance and yield in Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods (CMIX and ...

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

7. Distribution, morphology, growth, reproduction, diet and trophic position of two species of grenadier (Macrourus whitsoni and M. caml) in the Ross Sea region of the Southern Ocean (CCAMLR Subareas 88.1 and 88.2)

   least 27 years; in M. caml, full size is attained at about 15–20 years of age and they can live in ... different growth rates; M. whitsoni approaches full size at about 10–15 years of age and can live to at ... age than in female M. caml (length at maturity 52/46 cm TL; age at maturity 16/13 y for M. whitsoni ... samples led to an estimated trophic level of 4.4 for M. caml and 4.1–4.2 for M. whitsoni. Author(s):  M.H ...

   Meeting Document : WG-FSA-12/54 Rev. 1 : Autor(es): M.H. Pinkerton, P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown (New Zealand)

8. TARGET STRENGTH STUDIES ON ANTARCTIC SILVERFISH (PLEURAGRAMMA ANTARCTICUM) IN THE ROSS SEA

   Antarctic Silverfish, ranging in length from 90 to 210 mm, by means of an underwater framework with a ... study may influence the result. For example, some authors suggested that freezing the fish reduce the ... over-all backscatter of 30% (Sun et al. 1985), others that TS measurements on living fish ex situ would ... place (Ona, 1990), making comparisons difficult. For those reasons theoretical models have been thought ...

   Meeting Document : SG-ASAM-09/10 : Autor(es): M. Azzali, I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi (Italy)

9. Size variations associated with abundance changes in juvenile Notothenia rossii observed at Potter Cove, South Shetland Islands, since the end of the fishery in the area

   design to obtain variance components and expected values. An increase and then a decrease in the expected ... interpreted as a consequence of a significant reduction in the influx of the youngest age classes into inshore ... strongly associated with the last significant catches of fin-fish in the Subarea 48.1 in 1979/80 and could ... . gibberifrons relative to N. neglecta indicate low levels, similar to those already reported for the last three ...

   Meeting Document : WG-FSA-91/13 : Autor(es): E. Marschoff and E. Barrera-Oro (Argentina)

10. Tendencias de la biomasa de Dissostichus eleginoides (Smitt, 1898) en la Subarea 48.3 (1992–1997)

    the catch at age data. The model was tunned by the standarized CPUE. For this last process GLlM was ... actually (1997) very close to the 20% of the initial (1992) spawning biomass. An aproximation of the future ... split years 1992 to 1997, was estimated using the Sequential Population Analysis (SPA) model based in ... used and for the aplication of SPA the non-lineal function of Solver in Excel was used. The results ...

    Meeting Document : WG-FSA-97/43 : Autor(es): Moreno, C.A., Rubilar, P.S., Zuleta, A., Young, Z.

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