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1. Spectra analysis of Drake Passage Oscillation Index (DPOI) from 1952 to 2003, Antarctica

   Abstract:  An assessment of the environmental processes influencing variability in the recruitment ... , Argentina, and Base Esperanza, at the tip of the Antarctic Peninsula, sea ice cover and chlorophyll-a in the ... and density of Antarctic krill (Euphausia superba DANA) is important as variability in krill stocks ... affects the Antarctic marine ecosystem as a whole. Naganobu et al. (1999) had assessed variability in ...

   Meeting Document : WG-EMM-04/46 : Author(s): M. Naganobu and K. Kutsuwada (Japan)

2. Density and biomass of Antarctic krill around South Shetland Islands using by 2-dB difference method

   krill (4.9 to 12.0 dB) and fish (-4.0 to-0.2 dB). The distributions and mean Sv of krill aggregations ... of the South Shetland Islands. The mean length/height ratio of krill aggregations in the west of the South ... (-4.0 to -0.2 dB). The distributions and mean Sv of krill aggregations in the Elephant Island ... Islands. The mean length/height ratio of krill aggregations in the west of the South Shetland Islands ...

   Meeting Document : SG-ASAM-17/04 : Author(s): S.-G. Choi, K. Lee and D. An

3. Predicting distribution and relative abundance of mid-trophic level organisms using oceanographic parameters and acoustic backscatter

   Abstract:  Data on the distribution and abundance of mid-trophic level organisms (MTLOs) in the ... predicted backscatter reasonably well in the Pacific sector of the SO, and in an independent dataset in the ... distribution of MTLOs in other parts of the SO. Author(s):  P.C. Escobar-Flores, R.L. O’Driscoll and J.C ... proxy for MTLO abundance in the epi- and mesopelagic zones. Boosted regression trees and generalised ...

   Meeting Document : WG-EMM-18/P07 : Author(s): P.C. Escobar-Flores, R.L. O’Driscoll and J.C. Montgomery

4. Otolith elemental signatures reveal habitat shift of Electrona carlsbergi

   the biological data in 1990s, however, the habitat shift of this species was still unclear. The ... waters of sub-Antarctic zone and spend the first year of life in this region. Those individuals move ... to test habitat shift and life history processes of fish species in the Southern Ocean. Moreover ... which circumpolar distributed between the warm waters of the subtropical confluence zone and the ...

   Meeting Document : WG-FSA-17/65 : Author(s): L. Wei and G.P. Zhu

5. LENGTH-BASED ASSESSMENT FOR MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARI) IN SUB-AREA 48.3

   accurate identification of age cohorts from the survey data. In this paper we describe a length‐based ... the survey data which, in conjunction with the bootstrapped survey biomass data, yields an estimate of ... ) in sub‐area 48.3 employs the CMIX and GYM packages, which derives population numbers‐at‐age and ... approach that removes the problem of cohort determination. A stratified bootstrap technique (consistent ...

   Meeting Document : WG-FSA-09/27 : Author(s): R.M. Hillary (Australia), C.T.T. Edwards, R.E. Mitchel and D.J. Agnew (United Kingdom)

6. A representative system of CCAMLR MPAs: taking stock and moving forward

   Abstract:  The adoption of the Ross Sea MPA in 2016 marked "the end of the beginning" of ... establishing a representative system of MPAs in the Convention Area. This paper provides an overview of the ... progress made by CCAMLR toward establishing a representative system of MPAs in the Southern Ocean ... realises the potential of MPAs to enhance science and governance in Antarctica, including with respect to ...

   Meeting Document : CCAMLR-XXXVI/BG/25 Rev. 2 : Author(s): Submitted by ASOC

7. Coastal weather drives foraging behaviour of chinstrap penguins, Pygoscelis antarctica

   supports them. In the southwest Atlantic sector of the Southern Ocean, Antarctic krill (Euphausia superba ... coastal downwelling and changes in the at-sea habitat usage of chinstrap penguins (Pygoscelis antarctica ... indicators because their performance is presumed to be linked to the overall function of the ecosystem that ... the ecosystem in an adaptive framework for sustainably managing krill catch levels, performance ...

   Meeting Document : WG-EMM-18/P14 : Author(s): A.D. Lowther, P. Trathan, A. Tarroux, C. Lydersen and K.M. Kovacs

8. A review of methodologies aimed at avoiding and/or mitigating incidental catch of protected seabirds.

   published reviews in the field of bycatch mitigation have typically had a species or fishing method focus ... management of offal and discards are recommended as the most effect measure to reducing seabird bycatch in ... fisheries interactions have been released in a variety of local, national and international media. Recent ... . This report presents the results of the seabird component of a global review of mitigation methods ...

   Meeting Document : WG-FSA-05/P8 : Author(s): Bull, L.

9. DEVELOPMENT OF A METHODOLOGY FOR DATA QUALITY ASSESSMENT

   these data can best be used.The quality of tag data is hard to assess. A methodology is developed to use data ... that is fitted in an assessment model.The data quality measures illustrate sometimes substantial variation ... a trip should be used in an assessment, and can also guide how these data can best be used.The quality ... model.The data quality measures illustrate sometimes substantial variation in the quality of particular data ...

   Meeting Document : WG-SAM-08/13 : Author(s): D.A.J. Middleton and A. Dunn (New Zealand)

10. Dietary segregation of krill-eating South Georgia seabirds

    ranges. selectivity by predators, or differences in escape responses of krill. For the krill-eating ... Abstract:  The diets of six of the main seabird species (two petrels, two albatrosses, two ... period in 1986. For five species, Antarctic krill Euphausia superba was the main food (39-98% by mass ... . The size of the krill taken was similar between seabird species, although there were small but ...

    Meeting Document : WG-EMM-97/15 : Author(s): Prince, P.A., Croxall, J.P., Reid, K.

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