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1. Results from the reduced groundfish survey conducted in CCAMLR Subarea 48.3 in January 2012

   between the 26-28th January 2012. This survey was not intended to be a full biomass survey so only 20 ... three size cohorts of fish identified including evidence of a new cohort of 2+ age fish (29-39cm). Catch ...

   Meeting Document : WG-FSA-12/37 : Автор(ы): J. Brown, S. Gregory, A. Stanworth, V. Carretero, G. Baker and M. Belchier (United Kingdom)

2. Diet and trophic niche of Macrourus spp. (Gadiformes, Macrouridae) in the Ross Sea region of the Southern Ocean

   carnivorous. Other important prey were copepods (especially for fish with total length less than 30 cm), krill ... fish (especially for fish less than 30 cm), whereas sex, fatness and bottom depth were not significant ... (including regurgitated stomach contents) from an undifferentiated mixture of 33 specimens of these species ... . Overall, amphipods were the dominant prey found in Macrourus spp. stomachs with an index of relative prey ...

   Meeting Document : WG-EMM-12/P03 : Автор(ы): M.H. Pinkerton, J. Forman, D.W. Stevens, S.J. Bury and J. Brown

3. Significant intra-annual variability in krill distribution and abundance at South Georgia revealed by multiple acoustic surveys during 2000/01

   designed to complement and extend an existing time series regularly maintained by the British Antarctic ... observations from previous years, krill density in the western box in the mid-season survey was less than that ... indices for top level predators to be compared to prey availability at more appropriate time-scales than ... March 2001 (late-season). The surveys were the first in a newly planned five-year series of observations ... - logical and oceanographic datasets), a new series of surveys was planned for the fi ve years 2000/01 to ... planned fi ve-year series of observations designed to complement and extend an existing time series ... survey strategy for the new fi ve-year series addresses these temporal shortcomings by including ... - season (to 34.7 g m-2). In a pattern that is consistent with observations from previous years, krill ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 71–82 : Автор(ы): Brierley, A.S., C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst

4. A comparison of acoustic targets at South Georgia and the South Orkney Islands during a season of profound krill scarcity

   density; for example one echo-integration interval contained 104 times the mean krill density. An ... conjunction with appropriate 120 kHz data to calculate krill density estimates for both survey areas. Krill ... with previously published density estimates krill densities in both regions were extremely low (1.7 and ... 10.7 gm-2 for Willis and Coronation Islands respectively). Gross regional differences in pelagic faunal ...

   Meeting Document : WG-EMM-95/75 : Автор(ы): Watkins, J.L., Brierley, A.S.

5. Some characteristics of krill transport in the Scotia Sea based on the Russian survey data

   within SSMU, nor with the total catch from the Scotia Sea for any fishing season during the latest 20 ... years. It is shown that total krill biomass of 3.392 mln.t. transported by water mass out three SSMUs is ... that krill transport estimates should be taken into consideration in the scheme for allocating the ...

   Meeting Document : WG-EMM-05/41 : Автор(ы): S.M. Kasatkina, V.N. Shnar and O.V. Berezhinsky (Russia)

6. Stomach contents of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea region in 2010 and a comparison with 2003

   two years. It is planned to carry out a more rigorous analysis of these data in the coming year ... items, of which 13 contained only digested prey, leaving 185 stomachs for analysis. The majority of ... whitsoni) dominated the diet occurring in 37% of stomachs and accounting for 45% by weight and 52% by IRI ... . De Witt’s icefish, eel-cods, and glacial squid were also important occurring in about 20% of stomachs ...

   Meeting Document : WG-FSA-10/22 : Автор(ы): D.W. Stevens, J. Forman and S. Hanchet (New Zealand)

7. Gonad analysis of Antarctic toothfish in Subareas 58.4 and 88.3

   total length (TL) categories of Antarctic toothfish displayed 80% for female in larger than TL 100 cm ... gonadosomatic index of the fish was 2.5 for the female, and 1.7 for male.  The hepatosomatic index of female ... testicular developmental stages demonstrated the highest proportion with 67.0% for the matuer stage, and ... categories and almost 100% for male in larger than TL 150 cm categories. Author(s):  J. Kim, S.-G. Choi, J ...

   Meeting Document : WG-FSA-17/09 : Автор(ы): J. Kim, S.-G. Choi, J. Lee, J. Lee and D. An

8. Decline of Antarctic fur seal (Arctocephalus gazella) population at SSSI No. 32, South Shetlands, Antarctica, during 1997/98: a discussion of possible causes

   performance. Hucke-Gaete et al. (1998) report that pup growth rates for 1997/98 season do not reflect an El ... Shetland archipelago. We compiled historical information for Cape Shirreff and San Telmo islets located on ... Shetland breeds. From 1991 onwards an ecosystem monitoring program started to develop and detailed ... season diferentially counting sex and age categories to assess total population. We present the up to ...

   Meeting Document : WG-EMM-98/17 : Автор(ы): R. Hucke-Gaete, D. Torres, A. Aguayo and V. Vallejos (Chile)

9. Vertical migrations of mackerel icefish (Champsocephalus gunnari) on the South Georgia shelf

   may be used for clarification of survey techniques used in stock assessment. For a number of years ... shelf (Parkes et al., 1989) challenge the rationale for round-the-clock trawling and call for ... migrations of mackerel icefish. The study used data from research vessels which had been fishing for ... commercial concentrations of C. gunnari in years of high abundance of the species (1982/83, 1983/84 and 1986 ... used in stock assessment. For a number of years scientists of AtlantNIRO have been conducting trawl ... to the surface layers than to the bottom layers. An echo sounder was used to search for fish ... improving trawl survey techniques for C. gunnari stock assessment. For a number of years scientists of ... rationale for round-the-clock trawling and call for clarification of the techniques used. The objective of ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 3–14 : Автор(ы): Frolkina, J.A. and V.I. Shlibanov

10. Natural mortality rates of the Antarctic krill Euphausia superba Dana in the Indian sector of the Southern Ocean

    Abstract:  Data on the size and age composition of Euphausia superba were collected in the ... , during the maturation period, to 1.17 and 3.22 during the first and last years of life, respectively ...

    Meeting Document : WG-KRILL-93/44 : Автор(ы): E.A. Pakhomov (Ukraine)

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