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1. An update on the ageing of Antarctic toothfish, Dissostichus mawsoni, from East Antarctica and the Amundsen Sea

   %). Sister pairs of Antarctic toothfish otoliths were also prepared, one using the ‘bake and embed’ method ... each method. The values of IAPE and CV were acceptable between the two methods of preparation for ... vessel in Subarea 88.2 in the 2014-2015 season and in Division 58.4.1 in the 2015-2016 season, were aged ... sampling areas in East Antarctica and the Amundsen Sea. Author(s):  G. Nowara, B. Farmer, T. Barnes, P ...

   Meeting Document : WG-FSA-17/15 : Автор(ы): G. Nowara, B. Farmer, T. Barnes, P. Ziegler and D. Welsford

2. First increment validation of Patagonian toothfish (Dissostichus eleginoides) from Heard Island

   one opaque and one translucent increment is formed each year on the sectioned face of sagittal ... Abstract:  Patagonian toothfish, (Dissostichus eleginoides) have traditionally been aged assuming ... routinely ageing D. eleginoides, resulting in differences of ageing data presented. One area that was ... previously aged samples from the Heard and Macquarie Islands fisheries. These data suggest that the protocol ...

   Meeting Document : WG-FSA-05/61 : Автор(ы): K. Krusic-Golub, C. Green and R. Williams (Australia)

3. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2006/07

   management of the SSRUs within the two subareas was changed for the 2006 season as part of a 3-year ... Shelf in 1999 and 2001), these year classes are not seen in large numbers in later years in the fishery ... years in Subarea 88.1 and for five years in Subarea 88.2. This report summarises the large amount of ... SSRUs in the two subareas except for 881D and 882C have now been fished. The 2007 D. mawsoni catch was ...

   Meeting Document : WG-FSA-07/28 : Автор(ы): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)

4. Measurements of sound-speed and density contrasts of Antarctic krill (Euphausia superba) on board RV Kaiyo Maru

   -density contrasts between the animal and the surrounding water are required. Sound-speed and mass-density ... target strength and its directivity of krill were calculated using the stochastic DWBA model. Author(s ...

   Meeting Document : WG-EMM-08/56 Rev. 1 : Автор(ы): Y. Takao, H. Yasuma, R. Matsukura, K. Amakasu and M. Naganobu (Japan)

5. Updated description of Patagonian toothfish (Dissostichus eleginoides) tagging and ageing programs in Division 58.5.2, 1997–2015

   previous maximum age estimate of 42 years. These data have been used to develop age length keys and a ... expanded to include 6 vessels, 5 operating exclusively longline, and one dual purpose longliner/trawler. To ... consistently above 80% since 2012. Vessels have also explored new fishing grounds over recent seasons ... the 2009/10-2013/14 seasons. These samples have detected fish as old as 51 years, increasing the ...

   Meeting Document : WG-FSA-15/55 : Автор(ы): D.C. Welsford, B. Farmer, T.D. Lamb, C. Péron, E. Woodcock and P.E. Ziegler (Australia)

6. Spatial distribution and swarm characteristics of Antarctic krill around the South Shetland Islands

   markedly higher than the other two years. Meanwhile, much more swarms (1055) were detected in February 2018 ... 2013, March 2015, January 2016 and February 2018 around South Shetland Islands. The swarm ... as swarms in a patchy fashion and the mean krill densities in December 2013 and February 2018 were ... than the other three years. The results also indicated that more krill swarms located at deeper water ...

   Meeting Document : WG-EMM-18/42 : Автор(ы): X. Yu, X. Wang and X. Zhao

7. Age determination of Antarctic krill using size, fluorescence, and image analysis techniques

   methods indicate 6 year classes for adult krill. Correspondence between the ages determined by the two ... techniques is generally within one year. The animals were also analyzed by a computerized image analysis ... constructed to relate the image analysis parameters to age approached 90% for the ages defined by length ... frequency, and 52% for physiological age. Author(s):  M.S. Berman, A.L. McVey and G. Ettershank (USA) Title ...

   Meeting Document : SC-CAMLR-VI/BG/48 : Автор(ы): M.S. Berman, A.L. McVey and G. Ettershank (USA)

8. Seabird mortality in the Patagonian toothfish longline fishery around the Prince Edward Islands, 1996–2000

   measures and a progressive movement farther away from the islands over the years. We estimate that the ... , Unregulated and Unreported (IUU) fishing. Independent fishery observers accompanied all but two sanctioned ... years, could have resulted in close to 7000 seabird mortalities and could have had significant impacts ... was mainly due to high levels of IUU fishing during 1996/97. Author(s):  D.C. Nel, P.G. Ryan and B.P ...

   Meeting Document : WG-FSA-01/8 : Автор(ы): D.C. Nel, P.G. Ryan and B.P. Watkins (South Africa)

9. A CHARACTERISATION OF THE TOOTHFISH FISHERY IN SUBAREAS 88.1 AND 88.2 FROM 1997–98 TO 2007–08

   -year experiment (SC-CAMLR-XXIV). One of the aims of the experiment was to simplify the administration ... 2001), these year classes are not seen in large numbers in later years in the fishery. So at this stage ... there is no evidence for strong variation in year class strength in the fishery. Author(s):  M.L ... eleven years in Subarea 88.1 and for six years in Subarea 88.2. This report summarises the large amount ...

   Meeting Document : WG-FSA-08/22 : Автор(ы): M.L. Stevenson, S.M. Hanchet and A. Dunn (New Zealand)

10. Do Adélie penguin fledgling weights provide an index of prey availability?

    Abstract:  We examine fledgling weights measured over 11 years at Béchervaise Island in relation ... to two assumed proxies of prey availability: breeding success and foraging trip duration. Concordance ... between the two proxies was apparent when considering guard stage foraging trip durations but this was not ... . The concerns raised by Williams and Croxall (1990) that fledgling weight may increase with an ...

    Meeting Document : WG-EMM-05/21 : Автор(ы): L. Emmerson, C. Southwell and J. Clarke (Australia)

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