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1. Preliminary analyses in support of the CEMP Review Workshop: power analyses

   Abstract:  A series of power (sensitivity) analyses of CEMP indices was made using the DOS-based ... change over the range –10% to +10% of a mean survey value. Each run of MONITOR involved the calculation ... of power for 3 survey scenarios and 3 alpha levels (0.05, 0.10 and 0.20). The 3 surveys scenarios ... were chosen to represent time series data from annual surveys conducted annually over periods of 5, 10 ...

   Meeting Document : WG-EMM-03/26 : Author(s): Secretariat

2. A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on recent survey results

   vicinity of Heard Island during April-May 2011. This paper provides a preliminary assessment of mackerel ... icefish population structure, abundance and yield for the area of Division 58.5.2 to the west of 79 o 20 ... ’ E using standard CCAMLR methods. A pattern of 5 year classes being present simultaneously in the ... population, which was first detected in 2011, has persisted, however a large cohort of fish, estimated to be ...

   Meeting Document : WG-FSA-12/26 : Author(s): D.C. Welsford (Australia)

3. Preliminary tag-recapture based population assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 48.4

   Abstract:  The biomass of Antarctic toothfish (D. mawsoni) in CCAMLR subarea 48.4 is estimated ... from tagging returns to average 1109 tonnes since 2010, with a five-year (2015-2019) average biomass of ... 1187 tonnes. Applying the CCAMLR agreed precautionary assumption of average biomass across the time ... series and harvest rate of γ = 0.038, implies a 2019/20 yield of 45 tonnes using the 5-year average ...

   Meeting Document : WG-FSA-2019/27 : Author(s): T. Earl and A. Riley

4. Proposal to commission an independent review of the Secretariat’s data management systems

   Abstract:  Abstract The Secretariat manages a comprehensive, detailed set of independent or ... related databases which support the work of the Commission and give effect to Article XX of the CAMLR ... Convention. Since the establishment of CCAMLR 28 years ago, there has been no formal, in-depth audit of the ... the merits of an independent review of the Secretariat’s data management systems Author(s ...

   Meeting Document : CCAMLR-XXIX/13 : Author(s): Secretariat

5. Activity, seasonal site fidelity, and movements of Type-C killer whales between the Ross Sea, Antarctica and New Zealand

   between the Ross Sea and New Zealand, but also emphasises the urgent need to re-evaluate the profile of ... , TCKW have been identified as one of the two top predator species in the Ross Sea most likely to be ... TCKW may use small-scale areas in this highly productive ecosystem intensely for a period of days to ... dives while in Terra Nova Bay (100-455 m) than on the northbound journey. A preliminary analysis of ...

   Meeting Document : WG-EMM-15/52 : Author(s): R. Eisert (New Zealand), G. Lauriano, S. Panigada (Italy), E.N. Ovsyanikova, I.N. Visser, P.H. Ensor, R.J.C. Currey, B.R. Sharp and M.H. Pinkerton (New Zealand)

6. Trophic niche of the Antarctic toothfish caught in SSRU 88.3 as inferred from fatty acids and stable isotopes

   Abstract:  To highlight ontogenetic and geographical variability in resource utilization of ... of toothfish and their potential prey (bycatch and stomach contents), captured in fisheries in the ... Ocean sector of the Antarctica during 2012–2017. We found significant differences in size distributions ... of regional toothfish stocks, demonstrating an ontogenetic movement into deeper water from shelf ...

   Meeting Document : WG-FSA-18/21 : Author(s): C.-K. Kang, S.-G. Choi, H.Y. Kang, Y.-J. Lee, S. Chung and D.H. An

7. Ecological games in space and time: the distribution and abundance of Antarctic krill and penguins

   Abstract:  The distribution and abundance of organisms are affected by behaviors, such as habitat ... , environmental conditions, and the biology of the species involved. Although extensive theoretical work has ... explored predator–prey dynamics, these models have not considered the impact of behavioral plasticity and ... of a spatial, dynamic ecological game between predators and prey using a life-history perspective. As ...

   Meeting Document : WG-EMM-03/33 : Author(s): S.H. Alonzo, P.V. Switzer and M. Mangel (USA)

8. Can trace element signatures in the otoliths of Dissostichus eleginoides record capture size?

   Abstract:  The elemental structure of growth increments in the otoliths of fish reflects the ... composition of water passing across the gills: as a result, elemental signatures can potentially be used to ... reconstruct the environmental history experienced by fish. To test whether the otolith elemental signatures of ... from the outer edges (which are laid down during the interval leading to capture) of otoliths taken ...

   Meeting Document : WG-FSA-03/88 : Author(s): J.R. Ashford and C.M. Jones (USA)

9. The Future of Antarctica Forum: distinguishing climate change impacts from other impacts in the Antarctic Peninsula

   Abstract:  The paper reports on the outcomes of the first Future of Antarctica Forum that ... representatives from the tourism and fishing industries, all of whom actively engaged in these discussions and ... of continued monitoring of the sensitive Antarctic Peninsula region and challenged Oceanites, because ... of its Antarctic Site Inventory project’s 22-year history monitoring this region, to ‘ distinguish ...

   Meeting Document : CCAMLR-XXXV/BG/14 : Author(s): Submitted by Oceanites, Inc.

10. Experimental acoustic survey of icefish resources in Subarea 48.3, 2005

    Abstract:  This report describes the activities and preliminary results of the research carried ... behalf of UK authorities. Survey Objectives The primary objectives of the proposed survey were to ... distribution of icefish. • Assess precision of AUDOS estimates of crab density. Secondary survey objectives ... were to: • ‘Ground-truth ‘ AUDOS estimates of crab density using comparisons with bottom trawls ...

    Meeting Document : WG-FSA-05/79 : Author(s): M. Belchier, M. Collins (United Kingdom), R. O’Driscoll (New Zealand), S. Clarke and W. Reid (United Kingdom)

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