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1. Research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Division 58.4.1

   began in 2013 in data-poor fisheries. In the present report, catch, effort and biological data recorded ... by all effective vessels were analyzed for the improvement of stock assessment in the research blocks ... . Based on the result, the next three-season (2016-18) research plan in Division 58.4.1 is also presented ... reference area sizes. Although no toothfish fishery data along the shelf area in austral autumn – winter was ...

   Meeting Document : WG-SAM-15/05 : Автор(ы): Delegation of Japan

2. The toothfish fishery and tagging program in the Amundsen Sea region (SSRUs 882C–H) to 2016/17

   Abstract:  Fishing in the Amundsen Sea region (SSRUs 882C–H) has been managed through a research ... to carry out a reliable stock assessment of the toothfish stock in that area. In this report, we ... precautionary. In the 2016 and 2017 seasons, a total of 19 tagged fish (excluding within season recaptures) were ... recaptured in the research blocks in the South Amundsen Sea region, confirming the utility of the research ...

   Meeting Document : WG-FSA-17/39 : Автор(ы): S. Parker and S. Mormede

3. Measurements of differences in the target strength of Antarctic krill (Euphausia superba) swarms at 38 and 120 kHz

   Abstract:  Differences in the target strength of adult Antarctic krill (Euphausia Superba) at 38 ... and 120 kHz have been inferred from differences in the mean back-scattering strength of swarms ... simultaneously insonified at these two frequencies in studies off the South Orkneys and Elephant Island in March ... 1990. Krill in these areas varied in total length between 36 and 60mm. Backscattering strengths at 120 ...

   Meeting Document : WG-KRILL-90/28 : Автор(ы): I. Hampton (South Africa)

4. Characterisation of skate catches in the Ross Sea region

   Abstract:  The toothfish fishery in the Ross Sea region (CCAMLR Subareas 881 and 882) has been ... less). In this paper we summarise the current available fisheries and biological information for skates ... in the Ross Sea Region, including the data collected in the two “Year of the Skate” fishing seasons ... in 2008/09 and 2009/10. The composition of the skate catch by species is uncertain; it is estimated ...

   Meeting Document : WG-FSA-10/25 : Автор(ы): S. Mormede and A. Dunn (New Zealand)

5. Analysis of maturity of Antarctic toothfish in the Amundsen Sea

   (Dissostichus mawsoni) reproductive system, caught by the longliner in the Amundsen Sea in February 2006 and ... (57.1%) in 2006 and IV stages of maturity (83.3 %) in 2007 and testes – the IV stage (55%) in 2007. In ... 2007 the oocytes in the ovaries of 16.7% investigated fish has reached the completed maturation and ... definitive size 6484·10-6m, therefore, Antarctic toothfish was ready to spawn in the Amundsen Sea in March ...

   Meeting Document : WG-FSA-10/50 : Автор(ы): S.V. Piyanova and A.F. Petrov (Russia)

6. Predicting changes in the Antarctic krill Euphausia superba population at South Georgia

   Abstract:  Variability in the Southern Ocean is frequently reflected in changes in the abundance ... nature and consequences of changes in krill population dynamics that accompany l1uctuations in its ... the abundance and population structure of krill in 1998 and the consequences for predators. Consistent ... with model predictions, in 1998 there was a serial change in krill population structure, low krill ...

   Meeting Document : WG-EMM-99/37 : Автор(ы): K. Reid, K.E. Barlow, J.P. Croxall and R.I. Taylor (UnitedKingdom)

7. A RISK ASSESSMENT TO ADVISE ON STRATEGIES FOR SUBDIVIDING A PRECAUTIONARY CATCH LIMIT AMONG SMALL-SCALE MANAGEMENT UNITS DURING STAGE 1 OF THE STAGED DEVELOPMENT OF THE KRILL FISHERY IN SUBAREAS 48.1, 48.2, AND 48.3.

   the precautionary krill catch limit among SSMUs in Area 48. Our methodological approach follows ... directly from specifications made by the WG-SAM and the WG-EMM. We predict that the tradeoffs inherent in ... operate in pelagic SSMUs. Up to harvest rates of 0.5 x γ, this subdivision is unlikely to reduce predator ... populations to 75% or less of the abundances that might occur in the absence of fishing; the risks of such ...

   Meeting Document : WG-EMM-08/30 : Автор(ы): G.M. Watters, J.T. Hinke (USA) and S. Hill (United Kingdom)

8. Analysis of the diet of Champsocephalus gunnari in Subarea 48.3, Dr E. Holmberg survey, February 1995

   Abstract:  About 1300 stomach contents of the icefish Champsocepha1us gunnari caught in the ... Subarea 48.3 in February 1995, were analyzed using the frequency of occurrence (%) method. Krill ... %), followed in importance by the mysid Thysanoessa sp. (35%) and krill (24%). The picture around SG was found ... to be similar to that observed in the E. Holmberg survey in February/March 1994: common levels of ...

   Meeting Document : WG-FSA-95/36 : Автор(ы): Marschoff, E., Barrera-Oro, E., Casaux, R.

9. Entanglement in man-made debris of Antarctic fur seals at Bird Island, South Georgia

   Abstract:  The incidence of entanglement in man-made debris by Antarctic fur seals (Arctocephalus ... their collars removed. This represents a reduction of 88% in the number of entangled seals reported in ... comparison to the same time period in 1988/89. Possible causes suggested for this observed reduction in ... entanglement include a reduction in fishing activity in the South Georgia area, a decrease in the amount of ...

   Meeting Document : CCAMLR-X/BG/05 : Автор(ы): Delegation of UK

10. Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and South Orkneys

    around the coasts of the South Shetland and South Orkney Islands. Krill catches in these zones are shown ... to have a consistent pattern in Subarea 48.1 but an unpredictable distribution in Subarea 48.2 ... , probably as a result of more variable hydrographic conditions. About 50% of the catch in Subarea 48.1 from ... December to March was taken within 40 km of the coast, and 90% within 80 km in all years 1988-1990. In 1987 ...

    Meeting Document : WG-KRILL-92/19 : Автор(ы): D.J. Agnew (Secretariat)

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