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1. The annual random stratified trawl survey in the waters of Heard Island (Division 58.5.2) to estimate the abundance of Dissostichus eleginoides and Champsocephalus gunnari for 2015

   of 2014 and two and a half times that of the long-term average for the survey. The C. gunnari catch ... this year meant that 333 sets of otoliths were collected for L. squamifrons,   499 for C. rhinoceratus ... 2015, with the completion of 163 stations, an additional five stations compared with previous surveys ... . The extra five hauls were part of a redesign of the survey on the main trawl ground which consisted of ...

   Meeting Document : WG-FSA-15/11 : Автор(ы): G.B. Nowara, T.D. Lamb and D.C. Welsford (Australia)

2. Marine Ecosystem Assessment for the Southern Ocean (MEASO)

   held in Hobart in early April 2018 (http://www.measo2018.aq/). The conference provided an opportunity ... from the field programmes are also being summarised, based on an open, international survey of ... researchers.  For this survey, an indication of where and when national research programmes have conducted ... Abstract:  A first Marine Ecosystem Assessment for the Southern Ocean (MEASO) is under development ...

   Meeting Document : SC-CAMLR-XXXVII/BG/22 : Автор(ы): A. Constable, J. Melbourne-Thomas, R. Trebilco and M. Brasier

3. DEVELOPMENT OF RECOVERY PLANS FOR DEPLETED TOOTHFISH STOCKS IN THE INDIAN OCEAN SECTOR OF THE SOUTHERN OCEAN

   years and then two years later. The surveys should have only low catches in order to not impede recovery ... recovery strategy for Patagonian toothfish on Ob and Lena Banks. Author(s):  D.C. Welsford, A.J. Constable ... Abstract:  Stocks of Dissostichus mawsoni on BANZARE Bank (Division 58.4.3b) and D. eleginoides on ... and commercial fishing and it is likely that they are depleted below the threshold for CCAMLR ...

   Meeting Document : WG-FSA-09/44 : Автор(ы): D.C. Welsford, A.J. Constable and J.P. McKinlay (Australia)

4. Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground

   programmed in R, based on alternative ordinary differential equations (ODE) for within-year population ... of the properties of these two models for estimation of M used simulation. In application to the data ... were obtained using proportions-at-length and fishery and year specific age length keys (ALKs) for ... the model was or was not conditioned on the total numbers caught in each year. Author(s):  S. Candy, D ...

   Meeting Document : WG-FSA-10/41 : Автор(ы): S. Candy, D. Welsford, T. Lamb, J. Verdouw and J. Hutchins (Australia)

5. 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 : Автор(ы): C. Reiss (USA), R. Kilada (Canada) and S. Kawaguchi (Australia)

6. 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 : Автор(ы): T. Antezana, J. Cornejo, E. Bredesen, P. Faundez (Chile), A.W. Trites and T. Pitcher (Canada)

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 ... 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 : Автор(ы): K.E. Barlow, I.L. Boyd, J.P. Croxall, I.J. Staniland, K. Reid and A.S. Brierley (United Kingdom)

8. 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 : Автор(ы): 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

9. 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 : Автор(ы): P. Trathan and S. Grant (United Kingdom)

10. 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 : Автор(ы): É.E. Plagányi and D.S. Butterworth (South Africa)

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