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1. A preliminary assessment for mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2019 random stratified trawl survey

   in the 2019/20 season and 406 t in the 2020/21 season, respectively, satisfied the CCAMLR decision ... , abundance and yield in Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods (CMIX and ...

   Meeting Document : WG-FSA-2019/02 : Autor(es): D. Maschette, G. Nowara and D. Welsford

2. Effects of recruitment variability and natural mortality on Generalised Yield Model projections and the CCAMLR Decision Rules for Antarctic krill

   %, 20%, or 30% were added to the observed recruitment values. The CCAMLR "depletion" decision ... Peninsula were used as proxies for recruitment variability. Simulations were run for 21 years with either no ... below 20% of its unfished value, meeting the CCAMLR "depletion" decision rule for recruitment ... maintaining spawning biomasses above 20% of unfished biomass in more than 90% of the trials. As the values for ...

   Meeting Document : WG-EMM-12/26 : Autor(es): D. Kinzey, G. Watters and C. Reiss (USA)

3. Seasonal and interannual variability of krill, salp and other zooplankton populations in the northwest Antarctic Peninsula region: summer 2001 in relation to the Long-Term AMLR Data Set

   past 20 years. This resulted from large concentrations of Calanoides acutus, Metridia gerlachei and ... Island region during 18-30 January 2001 (Survey A, 101 stations) and 12 February-12 March 2001 (Survey D ... 1993 and 1998 salp years were not encountered. Length frequency distribution of the dominant aggregate ... preceded years with enhanced salp population size while curtailed budding periods preceded years with ...

   Meeting Document : WG-EMM-01/45 : Autor(es): V. Loeb (USA)

4. Broadbandwidth sound scattering and absorption from krill (Meganyctiphanes norvegica), Mysids (Praunus flexuousus and Neomysis integer) and shrimp (Crangon crangon)

   (Meganyctiphanes norvegica) over the acoustical bandwidth of 30 to 210 kHz and compared to similar scattering ... derived with the generic krill shape and scaled to animal length (L). This implies that crustacean target ... volume of the animal. Collectively, these results provide tools for improving the detection of krill and ...

   Meeting Document : WG-EMM-04/40 : Autor(es): S.G. Conti, D.A. Demer (USA) and A.S. Brierley (United Kingdom)

5. Near-shore acoustic surveys for Antarctic krill at South Georgia, January 2004

   observations from the past 20 years. A low density was perhaps not unexpected in line with recent cyclical ... were collected in seastate 6 with winds up to 30 knots and swells of approximately 2.5 m at survey ... patterns in density but may have been exacerbated by the presence of a large iceberg (40 miles by 30 miles ...

   Meeting Document : WG-EMM-04/35 : Autor(es): A.S. Brierley, P.N. Trathan, J. Poncet and A. Morton (United Kingdom)

6. Possible effects of different levels of fishing on krill on predators - some initial modelling attempts

   dynamics model incorporating recruitment fluctuations together with information on adult survival and ... , but computations based on this approach are deferred pending clarification of the Questions raised ...

   Meeting Document : WG-KRILL-93/43 : Autor(es): D.S. Butterworth and R.B. Thomson (South Africa)

7. ANALYSIS OF KRILL OBSERVER COVERAGE IN SUBAREA 48.3

   one season, and have been present on board for about 30% of the fishing season. They have achieved a ... efficient sampling proportion, at least for 48.3, should be >50% of vessels sampled each season, 20% of ... strategies should be pursued for at least 4 years before the Scientific Committee will have sufficient data ...

   Meeting Document : WG-EMM-09/25 : Autor(es): D.J. Agnew, P. Grove, T. Peatman, R. Burns and C. Edwards (United Kingdom)

8. Assessment of Patagonian toothfish (Dissostichus eleginoides) in Subarea 48.3

   recent years. Projections indicate that a constant catch of 2,420 tonnes in the 2020  and 2021 seasons ...

   Meeting Document : WG-FSA-2019/28 : Autor(es): T. Earl

9. THE RISKS OF NOT DECIDING TO ALLOCATE THE PRECAUTIONARY KRILL CATCH LIMIT AMONG SSMUS AND ALLOWING UNCONTROLLED EXPANSION OF THE KRILL FISHERY UP TO THE TRIGGER LEVEL

   ability to achieve the objectives specified in Article II, and ii) the current trigger level is not as ... allocation has met the "burden of proof" that would be required for decision making. Author(s ...

   Meeting Document : WG-EMM-09/12 : Autor(es): G.M. Watters (USA), S. Hill (United Kingdom), J.T. Hinke (USA) and P. Trathan (United Kingdom)

10. Season extensions in the longline fishery for Dissostichus eleginoides in Statistical Division 58.5.2

    for the periods between 15 and 30 April, and between 1 and 14 November, during 2013/14 and 2014/15 ... longline fishing season.  Subject to these conditions being met, the post-season is proposed to be extended ... to include the period between 15 and 30 November with day/night setting allowed.  Australia will ... continue to report to SC‑CAMLR each year concerning the progress and outcomes of each step-wise season ...

    Meeting Document : WG-FSA-15/48 : Autor(es): J. Barrington and T. Lamb (Australia)

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