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1. Comparing two and three frequency dB window identification techniques for estimating Antarctic krill density

   Abstract:  Three surveys of acoustic data from around South Georgia, collected using a four ... model. A Bland-Altman analysis with a pre-set nominal cut-off of ≤5 gm-2 bias between methods identified ...

   Meeting Document : SG-ASAM-18/01 : Author(s): S. Fielding

2. Predator trophic hotspots in the Indian sector of the subantarctic Southern Ocean: how do they overlap with marine protected areas?

   that the trophic hotspots constitute a network connected by the Antarctic Circumpolar Current (ACC ... ) through a bottom up effect. When mapped on jurisdictions, this network of hotspots appears to be only ... , A. Baudena, C. Cotté, C. Bost, C. Guinet, H. Weimerskirch, M.A. Hindell, P. Koubbi and F. d’Ovidio ...

   Meeting Document : WS-SM-18/07 : Author(s): M. O’Toole, S. Sergi, A. Baudena, C. Cotté, C. Bost, C. Guinet, H. Weimerskirch, M.A. Hindell, P. Koubbi and F. d’Ovidio

3. Krill Spill: An opportunistic approach to collecting penguin diet and krill length data

   Abstract:  Over time there has been a general decline in the collection of penguin diet ... of the methods. A pilot study was conducted at Esperanza Station for the 2017/18 season to consider ... the standard diet sampling procedures. Author(s):  E. Grilly, M. Santos, K. Reid and A. Silvestro ...

   Meeting Document : WG-EMM-18/45 : Author(s): E. Grilly, M. Santos, K. Reid and A. Silvestro

4. Analysis of gear loss by fishing vessels in the CCAMLR Convention Area as contribution to the marine debris program

   a significant variation in the reporting rates between CCAMLR fisheries. When gear was reported lost ... there was a higher proportion of gear loss in areas where interactions with sea-ice are more likely. To ... data on gear loss and for the C2 form to have a clearer definition of ‘hooks lost attached to sections ...

   Meeting Document : WG-FSA-18/17 : Author(s): CCAMLR Secretariat

5. DEVELOPMENT OF EFFECTIVE MITIGATION TO REDUCE SEABIRD MORTALITY IN THE ICEFISH (CHAMPSOCEPHALUS GUNNARI) TRAWL FISHERY IN SUBAREA 48.3

    Subarea 48.3 became a concern in the late 1990s. At this time there was little knowledge on how to ...  mitigate such mortality. As an interim measures a vessel specific 20‐bird mortality threshold was ...  introduced for Subarea 48.3 in 2001. This provided a strong commercial incentive for industry to develop ...  several measures, including net‐binding and net weighting. Net binding has proved to be a highly effective ...

   Meeting Document : WG-IMAF-09/15 : Author(s): B. Sullivan (BirdLife International), J. Clark (United Kingdom), K. Reid (Secretariat) and E. Reid (BirdLife International)

6. Mercury concentrations of five species of Antarctic fish collected from CCAMLR Subareas 88.1 and 88.2

   positive trends with depth for D. eleginoides and C. dewitti, and with area for A. rostrata. Mercury levels ... by a lower rate of mercury assimilation and/or a higher rate of mercury elimination by D. mawsoni ... . Author(s):  S.M. Hanchet, D.M. Tracey, A. Dunn, P.L. Horn and N. Smith (New Zealand) Title:  Mercury ...

   Meeting Document : WG-FSA-07/24 : Author(s): S.M. Hanchet, D.M. Tracey, A. Dunn, P.L. Horn and N. Smith (New Zealand)

7. Identification and speciation of Antarctic skates

   the Antarctic shelf and slope is a species distinct from B. eatonii from the Kerguelen Plateau (the ... type locality), and is a new and undescribed species, and should be provisionally referred to as ... of thorns around the eyes and on the scapular appeared to be a reliable character to distinguish ... species in the Ross Sea. A field key for identification of Ross Sea skates is provided. Author(s):  P.J ...

   Meeting Document : WG-FSA-07/27 : Author(s): P.J. Smith, C.D. Roberts, A.L. Stewart, M. McVeagh and C.D. Struthers (New Zealand)

8. On possible influence of continuous krill fishing technology with the use of ‘air-bubbling suspension system’ on ecosystem elements

   location, fishing effort, etc.), the trawl design and fishing method should be considered as a constituent ... processing technology, including waste recovery, may become a constituent part of fishery influence on ... is compared with a conventional fishing method. It was shown that not only hydrobionts, which are in ... (seals, fish, for instance), though not fished by trawl, can be exposed to ecological pressing at a ...

   Meeting Document : WG-EMM-06/27 : Author(s): S.M. Kasatkina and V.A. Sushin (Russia)

9. Variation in echosounder calibration with temperature and some possible implications for acoustic surveys of krill biomass

   Abstract:  Accurate estimation of krill biomass by acoustic techniques is dependant upon a number ... 2.0 °C) than in European waters (7.3 °C), and a similar trend was detected at 38 kHz. If European ... ensure that echo-sounders are calibrated at a location as close as possible to the area in which surveys ... are to be conducted. In addition, the implications of temperature variation across a survey area for ...

   Meeting Document : WG-EMM-97/52 : Author(s): Watkins, J.L., Woodroffe, P., Brierley, A.S., Goss, C.

10. Swimming speed and allocation of time during the dive cycle of Antarctic fur seals

    swimming speeds within individuals were between 1 and 2.5 ms-1. This represented a narrower range of speed ... descent and ascent phases of dives with a reduction in speed near the bottom of the dive, when the seals ... were assumed to be feeding on krill. Surface interval increased as a curvilinear function of dive ... predicted by a model (Houston & Carbone, Behav. Ecol., 3, 255-265) which suggested that the metabolic ...

    Meeting Document : WG-EMM-95/25 : Author(s): Bevan, R.M., Boyd, I.L., Reid, K.

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