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1. 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 : Auteur(s): E.F. Melvin and M. Wainstein (USA)

2. 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 : Auteur(s): R.A. Phillips, C. Ridley, N. Harrison (United Kindom), K. Reid (Secretariat), G.N. Tuck (Australia) and P.J.A. Pugh (United Kingdom)

3. 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 : Auteur(s): Delegation of the United Kingdom

4. 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 : Auteur(s): Watkins, J.L., Woodroffe, P., Brierley, A.S., Goss, C.

5. 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 : Auteur(s): K.S. Rivera (USA)

6. 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 : Auteur(s): S.J. McNeill, K.J. Barton and P.O’B. Lyver (New Zealand)

7. An exact time of release and recapture stock assessment model applied to Macquarie Island Patagonian toothfish (Dissostichus eleginoides)

   length. It assumes a maximum age or length above which a fish is no longer available to the gear. Each ... Abstract:  This paper presents an assessment of the harvested population of Patagonian toothfish ... at Macquarie Island based on data from a tag-recapture experiment initiated during the 1995/96 ... , catches, recaptures, natural mortality, and annual net recruitment are used to assess the population of ...

   Meeting Document : WG-FSA-00/43 : Auteur(s): G. Tuck, W. de la Mare, W. Hearn, R. Williams, A. Smith, X. He and A. Constable (Australia)

8. GROUNDFISH SURVEY IN CCAMLR SUB-AREA 48.3 IN APRIL 2008 WITH PRELIMINARY ASSESSMENT OF MACKEREL ICEFISH

   Abstract:  In April 2008 the UK undertook a bottom trawl survey of CCAMLR Sub-Area 48.3 on the FV ... Sil, with 70 bottom trawls undertaken giving good geographic coverage. Using 10 strata and the updated ... sea-floor areas and adjusting this for the low headline height of the UK trawl (see CCAMLR WG-FSA ... (2003), the biomass of mackerel icefish was estimated to be 80,426 tonnes, with a lower 1-sided 95% CI ...

   Meeting Document : WG-FSA-08/28 : Auteur(s): M.A. Collins, R.E. Mitchell, C.E. Main, J. Lawson, J. Watts, J. Slakowski, L. Featherstone and O. Rzewuski (UK)

9. Chiller killers – first steps towards identifying krill pathogens

   importance as components of the global food chain, and krill are no exception to this with very few studies ... Abstract:  Antarctic Krill (Euphausia superba) is a ‘keystone species’ in the Southern Ocean ... providing the main source of food for many taxa high in the food chain such as baleen whales, penguins and ... remains a deficit area with little to nothing known about infection dynamics. Over the past century the ...

   Meeting Document : WG-EMM-15/23 : Auteur(s): K. Bateman, R. Hicks, G. Tarling, M. Soeffker and G. Stentiford (United Kingdom)

10. Line weights of constant mass (and sink rates) for Spanish-rig Patagonian toothfish longline vessels

    kg weights at 40 m intervals on longlines to minimise interactions with seabirds. The weights are ... collections of rocks enclosed in netting bags. The netting bags abrade on the seabed, rocks are lost and ... hydrodynamic than their rocks counterparts and require no maintenance. An experiment was conducted on a ... chartered Spanish-rig longline vessel to determine the statistical relationship in sink rates of longlines ...

    Meeting Document : WG-FSA-07/15 : Auteur(s): G. Robertson (Australia), C.A. Moreno, E. Gutiérrez (Chile), S.G. Candy (Australia), E.F. Melvin (USA) and J.P. Seco Pon (Argentina)

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