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1. Krill population dynamics at South Georgia 1991–1997, based on data from predators and nets

   scientific nets from the same area over the summers of 1991-1997. In comparing the 5 years with both predator ... biomass in the following year. Similar recruitment failure in the same years is evident in krill ... ) of 3 predator species breeding at South Georgia and 12 weeks of sampling (n = 10 252 krill) from ... sampling the same overall krill population. Greatest similarity results from comparing net samples with ...

   Meeting Document : WS-AREA 48-98/15 : Автор(ы): K. Reid, J. Watkins, J. Croxall and E. Murphy (UK)

2. Acoustic estimates of krill abundance at South Georgia, 1981–1998

   north-eastern and north-western ends of South Georgia. In four of these years biomass was higher to the ... of the years between 1990 and 1998 it was possible to calculate separate biomass estimates for the ... fluctuated widely from year to year over this time, ranging from?2 to? 150 gm-2 (wet weight). The 1982, 1991 ...

   Meeting Document : WS-AREA 48-98/9 : Автор(ы): A.S. Brierley, J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson (UK)

3. The recent decline in recruitment of Gobionotothen gibberifrons in the South Shetland Islands (CCAMLR Subarea 48.1)

   extent Antarctic fish stocks recover from exploitation and how natural causes may add to man-made ... caused a number of years of very low recruitment around Elephant Island and the lower South Shetland ...

   Meeting Document : WG-FSA-12/20 : Автор(ы): K.-H. Kock (Germany) and C.D. Jones (USA)

4. Short note: time series of Drake Passage Oscillation Index (DPOI) from 1952 to 1988

   generally observed for around 3 years except 6 years between 1958 and 1964. Author(s):  M. Naganobu and K ... Abstract:  Naganobu et al. (1999) had assessed variability in krill recruitment and density with ... from 1952 to 1988. A time series of 3-month running mean suggested considerable seasonal variability of ... . A low DPOI less than 10 hPa appeared in 1967 and 1980. Intervals between the years of low DPOI were ...

   Meeting Document : WG-EMM-02/44 : Автор(ы): M. Naganobu and K. Kutsuwada (Japan)

5. Pup production and distribution of breeding Antarctic fur seals (Arctocephalus gazella) at South Georgia

   at the breeding grounds during the pupping period, together with corrections for the likelihood of a ... in the 1950s and 1960s. Increased population size has led to an expansion of the breeding range at ... sites were used to estimate the pup production of the population had 1990/91 been a typical year. Based ... ) if it had been an average year. The annual increase from 1976/17 to 1990/91 was 9.8% which shows that ...

   Meeting Document : WG-CEMP-92/39 : Автор(ы): I.L. Boyd (United Kingdom)

6. ANTARCTIC PENINSULA DECADAL WINTER TEMPERATURE ANOMALIES AND ANTARCTIC KRILL VARIABILITY IN THE SOUTH ATLANTIC REGION: PRELIMINARY RESULTS

   the oscillations with 3-8 year periods and a decadal oscillation with a period of about 16 years ... significantly to 0.4 when applying 1-year data shift (krill density after anomalies occurrence). The 3-8 year ... . Preliminary analysis of Antarctic krill density variations shows about 8-year variability as well. Correlation ...

   Meeting Document : WG-EMM-11/41 : Автор(ы): G.P. Milinevsky, A.V. Grytsai and L.K. Pshenichnov (Ukraine)

7. Preliminary assessment of Patagonian toothfish in Subarea 48.3

   outputs from the 2-fleet and 3-fleet assessments are very similar with the exception of the ... terminal assessment year continues to be estimated at around 54% of virgin biomass, consistent with the ... CCAMLR harvest control rule. The 3-fleet assessment model provides slightly improved fits to CPUE data ... recruitment.YCS estimates which differ markedly in 1990 but follow similar trends in all other years. Recruitment ...

   Meeting Document : WG-FSA-13/30 : Автор(ы): R. Scott (United Kingdom)

8. An 8-year cycle in krill biomass density inferred from acoustic surveys conducted in the vicinity of the South Shetland Islands during the austral summers of 1991/1992 through 2001/2002

   years and indications that ice cover in the winter of 2002 is seasonally early and extensive. Author(s ... , comparisons with the proportion of juvenile krill in simultaneous net samples suggest that the changes in ... biomass density are consistent with apparent changes in reproductive success. A truncated Fourier series ... fit to the biomass density time series is dominated by an 8-year cycle and predicts an increase in ...

   Meeting Document : WG-EMM-03/6 : Автор(ы): R.P. Hewitt, D.A. Demer and J.H. Emery (USA)

9. Changing status of three notothenioid fish at the South Shetland Islands (1983–2016) after impacts of the 1970–80s commercial fishery

   Abstract:  Owing to commercial fishing during the late 1970s/early 1980s, targeted notothenioid ... started in 1983. Our inshore results were consistent with those from offshore bottom trawl sampling in ... (3) a high abundance of N. coriiceps. Reasons for lack of recovery in G. gibberifrons remain obscure ... with trends reported in seabirds that feed on juveniles of these notothenioids: decrease in the areas ...

   Meeting Document : WG-FSA-17/P01 : Автор(ы): E. Barrera-Oro, E. Marschoff and D. Ainley

10. Scientific justification for a marine protected area designation around the Balleny Islands to protect ecosystem structure and function in the Ross Sea region, Antarctica: progress report

    can be aligned with both the CCAMLR ecosystem-wide conservation objectives and the values found in ... Article 3 of Annex V to the Protocol on Environmental Protection to the Antarctic Treaty. This paper’s ... includes the only known habitat in the region for juvenile toothfish, and perhaps also for early ... against unpredictable and potentially negative ecosystem impacts, consistent with the conservation mandate ...

    Meeting Document : SC-CAMLR-XXIV/BG/25 : Автор(ы): Delegation of New Zealand

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