Résultats de la recherche

1. Towards a strategic framework for assessing uncertainty in ecosystem dynamics models: objectives are sensitive too

   candidate feedback management approaches for the Antarctic krill fishery in the southern Drake Passage and ... advice each required values for 2,311 distinct inputs. In the absence of guidance about management ... reference points, the modellers provided advice in terms of 41 illustrative reference points intended to ... . There is a global need to develop strategic frameworks for assessing uncertainty in ecosystem dynamics ...

   Meeting Document : WG-EMM-12/20 Rev. 1 : Auteur(s): S. Hill and J. Matthews (United Kingdom)

2. An integrated stock assessment for the Heard Island and the McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2

   eleginoides) fishery at the Heard Island and the McDonald Islands in CCAMLR Division 58.5.2 with data until ... from 2014 (complete) and 2015 (partial), (c) an updated growth model, (d) changes in priors for survey ... stock biomass B 0 than that obtained in 2014, with an MCMC estimate of 87 077 tonnes (95% CI: 78 500-97 ... 547 tonnes). Estimated SSB status in 2015 was 0.64 (95% CI: 0.59-0.69). Using this model, a catch ...

   Meeting Document : WG-FSA-15/52 : Auteur(s): P. Ziegler and D. Welsford (Australia)

3. Preliminary acoustic results from the New Zealand IPY-CAML survey of the Ross Sea region in February-March 2008

   Ross Sea region in support of the International Polar Year Census of Antarctic Marine Life (IPY-CAML ... from viruses to pelagic and demersal fish and cephalopods in depths from the surface down to 3500 m ... antarcticum). Silverfish are a key link between plankton and the community of top predators in the shelf ... m depth and were sometimes present close to the bottom, where they were frequently caught in ...

   Meeting Document : SG-ASAM-09/05 : Auteur(s): R. O’Driscoll, G. Macaulay, S. Gauthier, M. Pinkerton and S. Hanchet (New Zealand)

4. Draft integrated stock assessment for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2

   eleginoides) fishery at Heard Island and McDonald Islands (HIMI) in CCAMLR Division 58.5.2 with catch until ... than that obtained in 2017, with an MCMC estimate of 70 519 tonnes (95% CI: 65 634- 76 626 tonnes). The ... predicted drop in SSB status by 2021, the time of the next stock assessment, was largely independent of the ... estimate recent trends in YCS, the 2021 assessment will inform any decision whether further catch ...

   Meeting Document : WG-FSA-2019/32 : Auteur(s): P. Ziegler

5. Initial development of operating models for testing management procedures for the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity

   pessimistic current status for the toothfish resource in the Prince Edward Islands are developed. These are ... severe depletion and utilising potential harvest from the resource, in circumstances where the resource ... ) resource in the Prince Edward Islands vicinity Approval:  Approved ...

   Meeting Document : WG-FSA-SAM-05/15 : Auteur(s): A. Brandão and D.S. Butterworth (South Africa)

6. A hydroacoustic survey of Antarctic krill populations in CCAMLR Division 58.4.1

   during January- March 1996 is presented in this paper. Key measurements to be taken during this survey ... precautionary catch limit on the krill fishery in Division 58.4.1. Author(s):  Nicol, S. Title:  A hydroacoustic ... survey of Antarctic krill populations in CCAMLR Division 58.4.1 Approval:  Approved ...

   Meeting Document : WG-EMM-95/43 : Auteur(s): Nicol, S.

7. Acoustic survey design to estimate krill biomass in Subareas 48.1, 48.2 and 48.3

   synoptic survey of krill biomass in Statistical Area 48. Example calculations are presented for estimating ... 1.25 ship-months of survey effort can provide an estimate of krill biomass in Subareas 48.1, 48. 2 and ... krill biomass in Subareas 48.1, 48.2 and 48.3 Approval:  Approved ...

   Meeting Document : WG-EMM-95/71 : Auteur(s): Hewitt, R.P., Watters, G.

8. Reproduction in the mackerel icefish (Champsocephalus gunnari) at South Georgia

   Abstract:  Sexual maturation in the Mackerel Icefish, Champsocephalus gunnari, was studied by ... macroscopic examination of gonads. Evidence in support of the hypothesis that a proportion of mature fish fail ... . Cielniaszek and J. Szlakowski (Poland) Title:  Reproduction in the mackerel icefish (Champsocephalus gunnari ...

   Meeting Document : WG-FSA-91/07 : Auteur(s): I. Everson (United Kingdom), K.-H. Kock (Germany), G. Parkes (United Kingdom), D. Cielniaszek and J. Szlakowski (Poland)

9. Nine years of tag-recapture in CCAMLR Statistical Subarea 48.3 – Part I: General data characterisation and analysis

   Patagonian toothfish (Dissostichus eleginoides) in Subarea 48.3. It describes the tagging procedure, the ... recapture data from Subarea 48.3 shows that the tagging programme is successful in providing substantial ... ) Title:  Nine years of tag-recapture in CCAMLR Statistical Subarea 48.3 – Part I: General data ...

   Meeting Document : WG-SAM-14/35 : Auteur(s): M. Soeffker, C. Darby and R.D. Scott (United Kingdom)

10. Progress report 1: Proposal for GEF (Global Environment Facility) funding to support capacity building in the GEF-eligible CCAMLR Members

    Abstract:  In 2014, the Scientific Committee endorsed a proposal from South Africa that the ... build capacity among GEF-eligible CCAMLR Member countries to strengthen their participation in CCAMLR ... (Global Environment Facility) funding to support capacity building in the GEF-eligible CCAMLR Members ...

    Meeting Document : WG-EMM-15/15 Rev. 1 : Auteur(s): CCAMLR Secretariat

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