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1. A comparative morphometric analysis of sagittal otoliths of three icefishes (Channichthyidae) in Antarctic waters

   Abstract:  In the present study a comparative morphometric analysis of sagittal otoliths was ... the continental shelf and slope around Elephant Island (Subarea 48.1) and the South Orkney Islands ... differences between the left and right sagittae in BSDs, a univariate and multivariate ANOVA and MANOVA were ... from the 20 harmonics analyzed were homoscedastic and normal, and showed very low level of correlation ...

   Meeting Document : WG-FSA-18/47 : Автор(ы): G. Plaza, C. Rodríguez-Valentino and P.M. Arana

2. Report on fish by-catch during research fishing activities in Division 58.4.4b between 2008 and 2018

   inform bycatch mitigation measures” of the ongoing research plan on Patagonian toothfish (Dissostichus ... composition in number and biomass during the period 2008-2018 to investigate the inter-annual variations in ... bycatch patterns, spatial distribution and biological parameters of the main bycatch species. Macrourus ... spp., Antimora rostrata and skates (mostly Amblyraja taaf) were the three dominant species caught as ...

   Meeting Document : WG-FSA-2019/53 : Автор(ы): C. Péron, C. Chazeau, N. Gasco and F. Massiot-Granier

3. Tooth growth in male Antarctic fur seals (Arctocephalus gazella) from South Georgia: an indicator of long-term growth history

   but significant increase through the period when samples were collected (l972/73–1988/89). There were ... ) and increased with age at death. Changes in the growth pattern of teeth suggested that fur seals which ... compared with the expected layer depth based on a linear relationship between layer depth and age at which ... each layer was deposited. There was significant variation in the depth of tooth growth layers deposited ...

   Meeting Document : WG-CEMP-93/11 : Автор(ы): I.L. Boyd and J.P. Roberts (United Kingdom)

4. Empirically-driven feedback management incorporating multi-scale risk assessment and an experimental framework to facilitate adaptive improvement

   merit in terms of the utility of available data. However, none currently offers a holistic solution in ... their own right.  In 2017, the Scientific Committee encouraged coordination among the various approaches ... seeks to demonstrate the practicality of its implementation that could provide CCAMLR with a “dress ... Document Release Consent:  No Delegation responsibility for releasing documents:  Norway ...

   Meeting Document : WG-EMM-2019/18 : Автор(ы): A.D. Lowther, B. Krafft, O.R. Godø, C. Cardenas, X. Zhao and O.A. Bergstad

5. Seabird avoidance measures for small Alaskan longline vessels

   , the current requirement for small vessels using fixed gear of a single streamer line with no mandatory ... Abstract:  Given the lack of information on appropriate seabird avoidance measures for small ... Alaskan longline vessels, we determined the “2-m access window”, or the distance astern that longline ... (> 26 to 55 feet) using two gear types: snap-on gear and fixed gear. We also determined the ...

   Meeting Document : WG-FSA-05/36 : Автор(ы): E.F. Melvin and M. Wainstein (USA)

6. INGESTION OF FISHING GEAR AND ENTANGLEMENTS OF SEABIRDS: IMPLICATIONS FOR MONITORING AND MANAGEMENT

   of a 16 year dataset collected at Bird Island indicated that the amount of gear found in association ... -headed albatross was from squid and not longline fisheries, and mistaken for natural prey rather than the ... higher in giant petrels and wandering albatross than black-browed albatross, and no grey-headed albatross ... was affected. The index of wandering albatross gear abundance showed two peaks, the most recent ...

   Meeting Document : WG-IMAF-09/10 : Автор(ы): R.A. Phillips, C. Ridley, N. Harrison (United Kindom), K. Reid (Secretariat), G.N. Tuck (Australia) and P.J.A. Pugh (United Kingdom)

7. Beached marine debris surveys and incidences of seabird/marine mammal entanglements and hydrocarbon soiling at Bird Island and King Edward Point, South Georgia, and Signy Island, South Orkneys, 2009/10

   previous years, and for the first time we also report data collected at King Edward Point, South Georgia ... (November 2009 to March 2010). Plastic and longline fishing line were the most commonly observed items (in ... varying quantities) at Bird Island, and the majority of items collected at Signy Island were either ... with seabird colonies at Bird Island, with the highest number (97 items; 65%) associated with wandering ...

   Meeting Document : SC-CAMLR-XXIX/BG/10 : Автор(ы): Delegation of the United Kingdom

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

   calibration parameters were to be employed on survey around South Georgia, and no account were taken of the ... of factors including, fundamentally, accurate echo-sounder calibration. The Simrad EK500 scientific ... conditions, calibrated gain settings differ markedly from those applied in the Antarctic, even after ... transducer gains were detected at both 38 and 120 kHz between calibrations conducted at the two locations. At ...

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

9. Changes to seabird avoidance regulations in Alaska demersal longline fisheries based on scientific research on effectiveness of mitigation measures

   Abstract:  The North Pacific Fishery Management Council (Council) recommended changes to the ... existing regulations for seabird avoidance measures required in the groundfish and halibut demersal ... longline fisheries off Alaska. One of the main recommendations is for the required use of paired streamer ... lines on larger vessels. Changes were based on research results from a two-year study conducted by the ...

   Meeting Document : WG-FSA-02/53 : Автор(ы): K.S. Rivera (USA)

10. Semi-automated software to count and validate Adélie penguin colonies from aerial photographs

    Adélie penguins, there is no reason why the present approach could not be used for census counts of other ... of nesting Adélie penguins (Pygoscelis adeliae), on aerial photographs of the Ross Sea sector of ... Antarctica. The software is written in MATLAB ®, is freely available and is deployed to users as a graphical ... , which is slow, and highly-dependent on the skill of the operator. The basis of the semi-automated ...

    Meeting Document : WG-EMM-14/54 : Автор(ы): S.J. McNeill, K.J. Barton and P.O’B. Lyver (New Zealand)

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