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1. Direct ageing of Antarctic krill (Euphausia superba) – potential utility of eyestalk sections for age determination

   ) and fall on the line for two and three year old krill. If validated, the technique should allow the ... Abstract:  We outline a method for the direct determination of age in Antarctic krill (Euphausia ... endocuticle layer of the eyestalks and gastric mill in decapod crustaceans. Here we report on a preliminary ... Antarctic Division and examined using the methods outlined in (Kilada et al. 2012). Two analyses are ...

   Meeting Document : WG-EMM-15/45 : Autor(es): C. Reiss (USA), R. Kilada (Canada) and S. Kawaguchi (Australia)

2. Ecosystem modelling for the Antarctic krill fishery

   the Antarctic ecosystem. This species serves as prey for many organisms in the ecosystem and has also ... been the target of an small industrial fishery since the mid 1970s. New quotas have recently been set ... but there is concern that the reduction in krill biomass due tome fishery may have impacts on other ... krill predators such as penguins, seals and whales. In order to evaluate the effects of krill fishing on ...

   Meeting Document : WG-EMM-01/65 : Autor(es): T. Antezana, J. Cornejo, E. Bredesen, P. Faundez (Chile), A.W. Trites and T. Pitcher (Canada)

3. Are penguins and seals in competition for Antarctic krill at South Georgia?

   1989 and 2000. Foraging ranges of the two species showed considerable overlap in both years but the ... consumers of Antarctic krill. In recent years the population of fur seals has increased whereas that of ... macaroni penguins has declined. Both species feed on krill of similar size ranges, dive to similar depths ... greater competition for the prey of macaroni penguins leading to the decline in their population. We use a ...

   Meeting Document : WG-EMM-01/22 : Autor(es): K.E. Barlow, I.L. Boyd, J.P. Croxall, I.J. Staniland, K. Reid and A.S. Brierley (United Kingdom)

4. Development of methods relevant to feedback management (FBM) for the krill fishery

   Abstract:  The primary objective for this project is to develop knowledge on the marine ... environment essential for the implementation of a Feed-Back Management (FBM) system. In terms of FBM, Marine ... . Thus, data supporting FBM as an integral part of the broader management strategies of the krill ... fisheries within Domain 1 are critical if the fishery is to be managed by an empirical understanding of ...

   Meeting Document : WG-EMM-18/08 : Autor(es): B.A. Krafft, A. Lowther, G. Macaulay, M. Chierici, M. Biuw, A. Renner, T.A. Klevjer, R. Øyerhamn, C.A. Cárdenas, J. Arata, A. Makhado, C. Reiss and O.A. Bergstad

5. Draft MPA Report for the South Orkney Islands, Subarea 48.2; Part of CCAMLR MPA Planning Domain 1, Western Peninsula – South Scotia Arc

   plans and research and monitoring plans for CCAMLR MPAs. We develop a worked example of the management ... plan, research and monitoring plan and threats analysis for the South Orkney Islands southern shelf MPA ... which falls within CCAMLR MPA Planning Domain 1. We suggest that this CCAMLR MPA Report for the South ... Orkney Islands could form the basis for the MPA Report for CCAMLR MPA Planning Domain 1. We propose that ...

   Meeting Document : WG-EMM-13/10 : Autor(es): P. Trathan and S. Grant (United Kingdom)

6. CONDITIONING SMOM USING THE AGREED CALENDAR OF OBSERVED CHANGES IN PREDATOR AND KRILL ABUNDANCE: A FURTHER STEP IN THE DEVELOPMENT OF A MANAGEMENT PROCEDURE FOR KRILL FISHERIES IN AREA 48

   reference observations for Area 48 (the SAM calendar). Results are presented for two implementations of SMOM ... , one with the time series of krill abundance fixed on input, and the other incorporating an explicit ... agreeing the relative plausibilities (weights) for the different operating models. An outline of suggested ... -predator-fishery dynamics described in an accompanying paper is conditioned using the WG-SAM set of ...

   Meeting Document : WG-EMM-08/44 : Autor(es): É.E. Plagányi and D.S. Butterworth (South Africa)

7. Are penguins and seals in competition for Antarctic krill at South Georgia?

   1989 and 2000. Foraging ranges of the two species showed considerable overlap in both years but the ... population during their breeding season. For explaining the opposing population trends of the two species ... , respectively, the main mammal and bird consumers of Antarctic krill (Euphausia superba). In recent years the ... population of fur seals has increased whereas that of macaroni penguins has declined. Both species feed on ...

   Meeting Document : WG-EMM-02/22 : Autor(es): K.E. Barlow, I.L. Boyd, J.P. Croxall, K. Reid, U.J. Staniland and A.S. Brierley (United Kingdom)

8. Integrated weight longlines: potential for reduction of skate by catch in demersal longline fisheries

   weight longlines (IW) in a demersal longline fishery for effects on skate bycatch. Trials took place on ... Abstract:  We analyzed data collected during 2005 seabird mitigation experiments on integrated ... two vessels targeting Pacific cod (Gadus macrocephalus) over a five-month period in the Bering Sea ... , Alaska, USA. The skate catch rate was 11% lower on the IW gear compared to unweighted gear. Location ...

   Meeting Document : WG-FSA-07/51 : Autor(es): K. Dietrich and E. Melvin (USA)

9. Fishing of the Patagonian toothfish (Dissostichus eleginoides) by the Chilean fleet (1991/92) in the Subarea 48.3 (South Georgia Island) and proposed TAC for the 1991/1993 season

   biological sampling carried out on board the vessels operating in the region were used for the analysis. From ... between 7 832 and 8 210 tonnes. On the basis of these results, the proposed TAC for the 1992/93 season in ... Georgia Island). From the end of December 1991 until the closing of the fishery on the 10th March 1992 ... , the fleet caught around 80% of the TAC set for this subarea. The catch and effort data and the ...

   Meeting Document : WG-FSA-92/24 : Autor(es): P.A. Espina, M.A. Araya and V.V. Meniconi (Chile)

10. Habitat suitability for the VME Ptilocrinus amezianeae over the Kerguelen Plateau

    habitat using BRT (Boosted Regression Trees) and an iterative approach to identify areas on the Kerguelen ... protection on the Skiff Bank, and two additional areas, one in the northeastern Kerguelen Plateau and the ... other on William’s Ridge. Author(s):  M. Eléaume, A. Martin, L.G. Hemery, C. Chazeau, J. Blettery and N ... . Améziane Title:  Habitat suitability for the VME Ptilocrinus amezianeae over the Kerguelen Plateau ...

    Meeting Document : WG-EMM-2019/73 Rev. 1 : Autor(es): M. Eléaume, A. Martin, L.G. Hemery, C. Chazeau, J. Blettery and N. Améziane

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