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1. CCAMLR TAGGING PROGRAM

   Abstract:  In 2008 WG-FSA recommended that the Secretariat undertake to identify the tagging event ... details for all tags recovered (WG-FSA 2008 paragraph 3.55). The Secretariat has been able to verify the ... proportion of the tags that can now be linked to tagging events in exploratory fisheries (Table 1). The ... recapture linkage rate for rajids has been lower than for toothfish in Subareas 88.1 and 88.2. The linking ...

   Meeting Document : WG-SAM-09/04 : Autor(es): Secretariat

2. Echo integration in low signal to noise regimes: methods of noise estimation and removal

   Abstract:  The results of acoustic surveys, especially in low signal-to-noise regimes, are ... sensitive to the method used to exclude the contribution of background noise from the acoustic data. The use ... of thresholds to reject weak signals during data collection is inappropriate because the noise ... contribution to the above-threshold-signal cannot later be removed in post processing. The only solution is to ...

   Meeting Document : WG-EMM-97/74 : Autor(es): Higginbottom, I., Pauly, T.

3. Towards a new method for age determination in Antarctic krill, and evidence that krill shrink under natural conditions

   individuals may be shrinking in the field during winter. If krill shrink during the winter, conclusions ... reached by length-frequency analysis may be unreliable. In this study, the correlation between the body ... -length and the crystalline cone number of the compound eye was examined. Samples collected in the late ... laboratory population, it appears that when krill shrink, the crystalline cone number remains relatively ...

   Meeting Document : WG-Krill-94/17 : Autor(es): W. de la Mare (Australia)

4. Towards an ecological risk assessment of krill fishing in East Antarctica (CCAMLR Divisions 58.4.1 and 58.4.2)

   Abstract:  With the recommencement of commercial krill (Euphausia superba) fishing in CCAMLR ... Divisions 58.4.1 and 58.4.2, off the coast of East Antarctica, Australia is adapting the risk assessment ... framework used in Area 48 to assess the risks involved in any redevelopment of a krill fishery and evaluate ... whether the current management procedure has a high likelihood of achieving CCAMLR’s objectives in this ...

   Meeting Document : WG-EMM-17/20 : Autor(es): N. Kelly, M. Cox, L. Emmerson, S. Kawaguchi, B. Raymond, C. Southwell and D. Welsford

5. Habitat preferences of Adélie and chinstrap penguins during pre-moult

   Abstract:  In order to understand and mitigate for the potential impacts of anthropogenic ... disturbance on marine predators it is fundamental to gain insight into the drivers behind the temporal ... ) devices to track Adélie and chinstrap penguins breeding on the South Orkney Islands during the pre-moult ... phase of the annual cycle. We show that Adélie penguins have an affinity to forage and moult on sea-ice ...

   Meeting Document : WG-EMM-18/P12 : Autor(es): V. Warwick-Evans, M. Santos and P.N. Trathan

6. Length-at-age juvenile Patagonian toothfish Dissostichus eleginoides

   Abstract:  The fishery for Patagonian toothfish is one of the most valuable in the CCAMLR Area ... . Age based models are used to assess the status of the stocks of this species. Although age can be ... estimated using otoliths it has proven difficult for these to be validated. During a recent trawl survey the ... length density of juvenile toothfish in the catches had a clearly defined polymodal distribution. The age ...

   Meeting Document : WG-FSA-01/16 : Autor(es): J. Ashford (USA), I. Everson (UK), C. Jones and S. Bobko (USA)

7. ANTARCTIC KRILL AND CLIMATE CHANGE

   on the impact of climate change and increasing fisheries on Antarctic krill and Antarctic ecosystems ... , and possible repercussions for resource management. The workshop was organised by the Institute of ... Marine Resources and Ecosystem Studies (IMARES) in the Netherlands, and funded by the European Commission ... and the Dutch government. The scientific evaluation focused on major agents of climate change, such as ...

   Meeting Document : WG-EMM-11/16 : Autor(es): H. Flores (Netherlands), A.S. Atkinson (UK), E. Bravo Rebolledo (Netherlands), V. Cirelli (Argentina), J. Cuzin-Roudy (France), S. Fielding (UK), J.A. van Franeker (Netherlands), J.J. Groeneveld (Netherlands), M. Haraldsson (Sweden), S. Kawaguchi (Australia), B.A. Krafft (Norway), A. Lombana (USA), E. Marschoff (Argentina), B. Meyer (Germany), G. Milinevsky (Ukraine), S. Nicol (Australia), E.A. Pakhomov (Canada), A.P. Van de Putte (Belgium), C. Reiss (USA), E. Rombolá (Argentina), K. Schmidt (UK

8. Foraging areas of black-browed and grey-headed albatrosses breeding on Macquarie Island in relation to marine protected areas

   this purpose. 2. We assessed the effectiveness of a network of MPAs around Macquarie Island in the ... Southern Ocean by examining the foraging areas of black-browed and grey-headed albatrosses that were ... breeding on the Island. 3. During late incubation and brood periods over 90% of time spent foraging by ... black-browed albatrosses Thalassarche melanophrys was contained within MPAs, principally the Economic ...

   Meeting Document : WG-FSA-04/49 : Autor(es): A. Terauds, R. Gales, G.B. Baker and R. Alderman (Australia)

9. Identifying marine protected areas (MPAs) in data-poor regions to conserve biodiversity and to monitor ecosystem change: an Antarctic case study

   Abstract:  The World Summit on Sustainable Development implementation plan requires, by 2012, a ... representative system of marine protected areas (RSMPA) for the purposes of long-term conservation of marine ... inadvertant failure while giving science the time and resources to provide better knowledge.  A staged process ... is needed for identifying areas in data-poor regions that would enable the objectives to be achieved ...

   Meeting Document : WS-MPA-11/05 : Autor(es): A.J. Constable, B. Raymond, S. Doust, D. Welsford (Australia), P. Koubbi (France) and A.L. Post (Australia)

10. Annual variation in breeding biology of gentoo penguins, (Pygoscelis papua) at Bird Island, South Georgia

    Abstract:  The breeding biology of the gentoo penguin, Pygoscelis papua, was studied over a three ... later in 1987, when the breeding population decreased markedly. Factors involved in the timing of ... 14.5 days or less. The incubation period was 35 days and the laying interval, between the two eggs, 3.3 ... supply and chick growth. Chicks left the colony for the first time between 75 and 85 days of age. The ...

    Meeting Document : WG-CEMP-90/38 : Autor(es): T.D. Williams (United Kingdom)

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