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1. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2005/06

   nine years in Subarea 88.1 and for five years in Subarea 88.2 with a large amount of data collected on ... toothfish and the associated bycatch. All SSRUs in the two subareas except for 881D and 882C have now been ... combined catch limit of 3451 t. The subarea catch limit was almost reached in both Subarea 88.1 and 88.2 ... catch limit being slightly exceeded in the 2006 season. Concentration of effort within a smaller spatial ...

   Meeting Document : WG-FSA-06/29 : Автор(ы): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)

2. Oceanological factors affecting formation of mackerel icefish aggregations in the South Georgia area during different seasons of the year

   Abstract:  In wintering period icefish do not form aggregations, is feeding inactively and ... disperse at the depths more than 250 m within rather narrow temperature range (1.6-1,7ºC). In this period ... the water temperature is a limiting factor restricting fish distribution. In spring-summer icefish are ... feeding at the water temperature from 0.0ºC to 1.9ºC in the South Georgia area and to 2.0ºC near Shag ...

   Meeting Document : WG-FSA-05/76 : Автор(ы): Zh.A. Frolkina (Russia)

3. ASSESSMENT OF PATAGONIAN TOOTHFISH POPULATION IN THE NORTH OF SUBAREA 48.4 USING DATA FROM A FOUR-YEAR TAGGING EXPERIMENT

   Abstract:  1. The bycatch TAC of 12 tonnes of macrourids was reached in 2008/09 triggering the ... in 2008/09, slightly under the target of 375 for the full 75 tonnes of catch; 3. There were 29 D ... . eleginoides tag returns in 2008/09, bringing the total from all seasons up to 54 tag recaptures; 4. A total of ... 12 D. mawsoni and 269 rajids were tagged in all seasons combined though none were recaptured; 5 ...

   Meeting Document : WG-FSA-09/17 : Автор(ы): J. Roberts and D.J. Agnew (United Kingdom)

4. Variation in echosounder calibration with temperature and some possible implications for acoustic surveys of krill biomass

   krill surveys, and exhibits acceptable temporal stability in system gain settings. Between Antarctic ... seasons, this echo-sounder has additionally been calibrated in temperate European waters and, under these ... conditions, calibrated gain settings differ markedly from those applied in the Antarctic, even after ... appropriate adjustments for differences in sound speed between locations have been made. Here we present ...

   Meeting Document : WG-EMM-97/52 : Автор(ы): Watkins, J.L., Woodroffe, P., Brierley, A.S., Goss, C.

5. Krill (Euphausia superba) distribution in relation to water movement and phytoplankton distribution off the northern South Shetland Islands

   Abstract:  The waters in the vicinity of the South Shetland Islands and Elephant Island were ... biomass of krill in the 1990/91 austral summer. Main krill concentrations occurred in the shelf waters ... frequently occur), have elucidated the occurrence of convergent complex eddies in these shelf waters. (Note ... is that one buoy traveled all the way to South Georgia and has been being trapped in a winter fishing ...

   Meeting Document : WG-KRILL-91/22 : Автор(ы): Delegation of Japan

6. Distribution and size-age composition of Antarctic krill in the South Orkney Islands region (CCAMLR Subarea 48.2)

   (Euphausia superba) in commercial catches by Russian trawler ' Maxim Starostin ' in the South ... Orkney region (Subarea 48.2). The fishery operations were conducted between January and March in 2008 ... in anomalous cold 2009/2010 season significant proportion of krill of cohort 2+ skipped spawning ... . Individuals of Antarctic krill in age 1+ were absent in catches in both 2008/2009 and 2009/2010 seasons ...

   Meeting Document : WG-EMM-10/16 : Автор(ы): D.O. Sologub and A.V. Remeslo (Russia)

7. Revised diet composition and feeding strategy of Antarctic toothfish, Dissostichus mawsoni in SSRU 58.4.1.C-a for the 2012/2013 Korean exploratory longline fishery

   Abstract:  Stocks of Dissostichus mawsoni in Division 58.4.1 were vulnerable with a big range of ... about 1,000-2,000 t per SSRU in Division 58.4.1. However, there is not enough data and information to ... toothfish, Dissostichus mawsoni in SSRU 58.4.1.C-a as a part of Korean research plan for the exploratory ... longline fishery for Dissostichus spp. in SSRUs of 58.4.1 C and E during 2012/2013 season.  This study was ...

   Meeting Document : WG-FSA-13/43 : Автор(ы): I. Yeon, Y.J. Kwon, S.G. Choi, K.J. Seok, D.W. Lee, J.M. Jeong, S.J. Ye, H.J. Kim and G.W. Baeck (Republic of Korea)

8. Research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Division 58.4.2

   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 58.4.2 is also presented ... to be more progressed in SSRU 58.4.2A. Understanding of the resource structure through clarification ...

   Meeting Document : WG-SAM-15/04 : Автор(ы): Delegation of Japan

9. Progress towards an assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 882C–H for the years 2002–03 to 2015–16 using a two-area model

   Antarctic toothfish (Dissostichus mawsoni) in the Amundsen Sea region, defined here as SSRUs 88.2C–H. The ... models were first developed for the region in 2014 and refined in 2015. Results showed the need to ... collect mark-recapture data in the South to help inform the estimation of biomass in the South. We present ... research plan. The assessment models were fit to the proportions-at-age in the catch and the mark-recapture ...

   Meeting Document : WG-FSA-16/44 : Автор(ы): S. Mormede, K. Large and S. Hanchet

10. Proposal for a winter longline survey of Antarctic toothfish in the northern region of Subareas 88.1 and 88.2

    up in the spring, may provide access to a productive pagophilic ecosystem for feeding as well as a ... patterns may be influenced by changes in sea ice or circulation patterns that affect observed recruitment ... productivity of the stock assumed in the stock assessment. 3) Biological characteristics of the northern ... . Evidence to date found no change in these characteristics in June, suggesting sampling later in the ...

    Meeting Document : WG-FSA-18/40 : Автор(ы): Delegation of New Zealand

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