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1. Improvements to the multiple-frequency method for in situ target strength measurements

   echosounders (Demer et al., J. Acoust. Soc. Am. 105(4) 2359:2376 (1999)]. The multiple-frequency method ... controlled test tank experiments using 38 and 120 kHz split-beam transducers and a 200 kHz single-beam ...

   Meeting Document : WG-EMM-99/38 : Автор(ы): D.A. Demer (USA) and M.A. Soule (South Africa)

2. Preliminary examination of otolith microchemistry to determine stock structure in Antarctic toothfish (Dissostichus mawsoni) between SSRU 88.1C and 88.2H

     stocks among these regions. For the elements (Mg, Al and Sr) spatial variation in otolith chemistry was ... . However, given these analyses only included adults, further investigations using a larger sample base of ...

   Meeting Document : WG-SAM-14/33 : Автор(ы): R. Tana, B.J. Hicks, C. Pilditch and S.M. Hanchet (New Zealand)

3. Characterising the preferred at-sea habitats used by chinstrap penguins and the fishery for Antarctic krill: slow-flowing, nearshore waters over shallow bathymetry

   Abstract:  We show that the preferred habitat models developed by Warwick-Evans et al. (2017) for ... to 150 m) oceanographic flows derived from a high resolution oceanographic model developed using NEMO ... canyons occur near to a number of preferred krill fishing locations, suggesting that these canyons ... how krill movement can satisfy the demands of both predators and the fishery across a range of spatial ...

   Meeting Document : WG-EMM-17/34 : Автор(ы): P.N. Trathan, V. Warwick-Evans, J. Hinke, E.F. Young, A.P.B. Carneiro, M.P. Dias, K. Kovacs, O.R. Godø and M. Santos

4. Bioregionalisation and spatial ecosystem processes in the Ross Sea region

   . networks of Marine Protected Areas, or MPAs). In 2008 CCAMLR utilized a circumpolar-scale ... ‘bioregionalisation’ to identify areas within which MPA designation should be considered as a matter of high priority ... 2009 the CCAMLR Scientific Committee agreed a series of milestones to achieve a representative network ... Ross Sea region. To this end, in June 2009 New Zealand hosted a Ross Sea Region Bioregionalisation and ...

   Meeting Document : WG-EMM-10/30 : Автор(ы): B.R. Sharp, S.J. Parker, M.H. Pinkerton (New Zealand) (lead authors) also B.B. Breen, V. Cummings, A. Dunn (New Zealand), S.M. Grant (United Kingdom), S.M. Hanchet, H.J.R. Keys (New Zealand), S.J. Lockhart (USA), P. O’B. Lyver, R.L. O’Driscoll, M.J.M. Williams, P.R. Wilson (New Zealand)

5. The winter distribution of Adélie and chinstrap penguins from two breeding colonies in the South Shetland Islands of Antarctica

   only other record of a chinstrap penguin’s winter migration reported by Wilson et al. (1998). Three ... penguins from a breeding site in Admiralty Bay, King George Island (62° 10’ S, 58° 30’ W) were instrumented ... ). All five chinstrap penguins were tracked for a minimum of three months each, while one bird was ... summer may have vastly different migratory behaviors in winter. This may be a strategy evolved to avoid ...

   Meeting Document : WG-EMM-02/55 : Автор(ы): S.G. Trivelpiece and W.Z. Trivelpiece (USA)

6. SPATIAL DISTRIBUTION AND AGE STRUCTURE OF THE ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA, ANTARCTICA

   assess the availability of habitat for Antarctic toothfish a benthic habitat map of the Ross Sea was ... created based on the habitat mapping scheme developed by Greene et al. (1999). Fish age data from the long ...

   Meeting Document : WG-FSA-08/18 : Автор(ы): C.M. Brooks and J.R. Ashford (USA)

7. Draft integrated stock assessment for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2

   best available estimates of model parameters, the use of abundance estimates from a random stratified ... ) updated maturity-at-age parameters, and (6) a simplification of the longline selectivity functions. All ... model runs were conducted with the CASAL version 2.30-2012-03-21 rev. 4648 that was agreed on by WG-SAM ... -14. The updated assessment model leads to a smaller estimate of the virgin spawning stock biomass B 0 ...

   Meeting Document : WG-FSA-2019/32 : Автор(ы): P. Ziegler

8. Proportional recruitment indices of Antarctic krill from Japanese fisheries data in Subareas 48.1, 48.2 and 48.3 during 1980 through 1997

   R1 and R2 in Subarea 48.1 generally showed similar trends to Siegel et al. (1 998)'s values ... Siegel et al. (1 998)'s values. This may be due to the net selectivity and/or incomplete coverage of ...

   Meeting Document : WG-EMM-98/33 : Автор(ы): S. Kawaguchi, T. Ichii and M. Naganobu (Japan)

9. Ocean acidification and the Southern Ocean

   their projected trajectory. Aragonite is a form of calcium carbonate essential to shell forming ... organisms such as the pteropods that form the base of much of the Southern Ocean food chain. Orr et al (2005 ...

   Meeting Document : CCAMLR-XXIX/BG/24 : Автор(ы): ASOC Observer

10. Downward adjustments to local catch limits for the krill fishery in Subarea 48.1

    refer to a catch limit that applies to a group of SSMUs (gSSMU), and the work presented here is based on ... adjustments to local catch limits as one component of a larger strategy for feedback management (FBM) of the ... krill fishery in Subarea 48.1 (see Watters et al. 2016).  Our proposal to make downward adjustments is ... founded on 1) a model that quantifies the survival and recruitment rates needed to maintain resilient ...

    Meeting Document : WG-EMM-16/46 : Автор(ы): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries

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