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1. Preliminary assessment of genetic diversity in bycatch-caught darkbelly skate (Bathyraja meridionalis) from South Georgia

   lead to the conclusion that our South Georgia samples were likely to be B. meridionalis but further ... South Georgia Approval:  Approved Secretariat Workflow Status:  Content Approved Document Release ...

   Meeting Document : WG-FSA-2019/19 : Автор(ы): S. Pérez-Espona, W.P. Goodall-Copestake, P. Hollyman and M. Belchier

2. Natural mortality rate in the mackerel icefish (Champsocephalus gunnari) around South Georgia

   INTRODUCTION In age-structured models of fish population dynamics, total mortality (Z) can be estimated ... of harvesting, when by definition F will be zero, Z will equate to M so that a good estimate can be ... ), although that paper proposes a value of 0.55) and 0.35 (from SC-CAMLR, 1988) should be used. The ... examines in detail the information from which survivorship in the unfished stock can be estimated in ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 245–257 : Автор(ы): Everson, I

3. Report on attendance at the Sixth Meeting of the Committee for Environmental Protection Under the Madrid Protocol

   marine environment could be achieved and how proposals under the Protocol for designating Specially ... Protected Species in the Antarctic marine environment could be addressed”. However, the CEP did not agree to ... procedures to be used and asked its Intersessional Contact Group (ICG) to consider the following sentence ... of this Annex, no native marine species shall be designated as a Specially Protected Species without ...

   Meeting Document : CCAMLR-XXII/BG/11 : Автор(ы): Chair of the CCAMLR Scientific Committee

4. A method for inferring movement rates of fish from mark–recapture data

   , which includes uncertainty that can readily be integrated into a population simulation. If the goal of ... simpler approaches that might be useful. For instance, one alternative would be to ask how much time is ... unmarked fish in that location. Clearly this may be related to the distance from the release point, but ...

   Meeting Document : WG-FSA-05/66 : Автор(ы): C. Wilcox (Australia)

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

   is needed for identifying areas in data-poor regions that would enable the objectives to be achieved ... identify the scale and placement of MPAs, aiming to be the minimum spatial requirements that would satisfy ... .  Four other areas are identified specifically for their benthic values.  These areas would need to be ... managed to maintain these values but we would expect them to be refined over time as more knowledge ...

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

6. THE RISKS OF NOT DECIDING TO ALLOCATE THE PRECAUTIONARY KRILL CATCH LIMIT AMONG SSMUS AND ALLOWING UNCONTROLLED EXPANSION OF THE KRILL FISHERY UP TO THE TRIGGER LEVEL

   might be incurred by not deciding on such an allocation (i.e., a risk assessment of status quo ... management) be undertaken. We used the same methods applied by the WG-EMM in 2008, including averaging ... until a feedback approach to management of the krill fishery can be implemented; ii) agree a new trigger ... allocation has met the "burden of proof" that would be required for decision making. Author(s ...

   Meeting Document : WG-EMM-09/12 : Автор(ы): G.M. Watters (USA), S. Hill (United Kingdom), J.T. Hinke (USA) and P. Trathan (United Kingdom)

7. Escapement of elephant seal prey in the Heard Island fishery for Dissostichus eleginoides

   could be reliably identified as being from toothfish. There appeared to be three pairs among the seven ... is unclear given the small number of otoliths that are of sufficient quality to be identified ... 2-6 years are likely to be vulnerable, to some extent, to predation by Elephant seals. The ...

   Meeting Document : WG-EMM-97/42 : Автор(ы): Slip, D., Constable, A.J., de la Mare, W.K., Williams, R.

8. Review of the use of survey data and length-at-age models in the assessment of Dissostichus eleginoides in the vicinity of Heard Island and McDonald Islands (Division 58.5.2)

   cohorts assumed to be represented in the length density data. Assuming survey design produces unbiased ... estimates of length density, we suggest that best estimates of cohort abundance will be achieved when ... abundance of cohorts present in any survey year such as could be derived through an age length key, and ... estimates were found to be most sensitive to the estimated recruitment series interacting with the estimate ...

   Meeting Document : WG-FSA-SAM-06/15 : Автор(ы): D.C. Welsford, A.J. Constable and G.B. Nowara (Australia)

9. Developing research on Antarctic krill to facilitate the development and updating of feedback management procedures

   Abstract:  Antarctic krill fisheries have the potential to be in the top 10 fisheries of the world ... types of data that can be realistically obtained and monitored on the productivity of the ecosystem and ... (www.iced.ac.uk).  Here we report on planned and proposed ICED activities that are relevant to krill that will be ... of interest to CCAMLR scientists and suggest that development of future joint activities would be of ...

   Meeting Document : WG-EMM-13/12 : Автор(ы): E.J. Murphy, R.D. Cavanagh (United Kingdom), A. Constable (Australia), E.H. Hofmann (USA), S.L. Hill, N.M. Johnston, P.N. Trathan and J.L. Watkins (United Kingdom)

10. Revised research plan for the 2013/14 exploratory longline fishery of Dissostichus spp. in Division 58.4.3a

    sizes turned out to be larger in many blocks and smaller in a few blocks over the data poor-fisheries ... this reason, we propose the mitigation rule so that 50% of lines are required to be separated by not ... less than 3 n miles from each other but the rest of lines can be set freely between the separated lines ... . In this way, over-concentration of catch and effort can be avoided while reducing the inconveniences ...

    Meeting Document : WG-FSA-13/40 : Автор(ы): Delegation of Japan

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