Résultats de la recherche
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An updated assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity and extension taking commercial catch-at-length data into account
available over the past year. This leads to an improved picture of resource status compared to a year ... Abstract: The CPUE-based Age-Structured Production Model (ASPM) assessment of this resource by ... are at variance with the observed length frequency distributions for the fishery. It is important that ... important consequences for the assessments of other populations of toothfish in the CCAMLR region. Author(s ...
Meeting Document : WG-FSA-02/76 : Auteur(s): A. Brandão, D.S. Butterworth, B.P. Watkins and L. Staverees (South Africa)
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Emperor penguins – vulnerable to projected rates of warming and sea-ice loss; an international collaboration to inform species-related conservation decision-making and conservation planning
Abstract: An international group of scientists, from the United Kingdom, Australia, Finland ... data and having experience of working with emperor penguins have formed an international collaboration ... to review the dependence and vulnerability of emperor penguins to ongoing and projected climate ... implications for species-related conservation decision-making and conservation planning. Author(s ...
Meeting Document : SC-CAMLR-38/BG/10 : Auteur(s): Delegations of the United Kingdom, Australia, France, Germany, SCAR and ASOC
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An Apparent Decrease in the Prevalence of “Ross Sea Killer Whales” in the Southern Ross Sea
-effort of scientific fishing for toothfish in McMurdo Sound, we suggest and review evidence that the ... , Antarctic ecosystem; the type-C is referred to as “Ross Sea [RS] killer whale”. Herein, we review data on ... large Antarctic toothfish (Dissostichus mawsoni), as the review herein demonstrates. On the basis of sea ... very abundant penguin, seal and whale components, loss of the toothfish option for Ross Sea killer ...
Meeting Document : WG-EMM-09/P01 : Auteur(s): D.G. Ainley, G. Ballard and S. Olmastroni
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A first attempt at an assessment of the Patagonian toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands EEZ
Abstract: The history of the fishery for Patagonian toothfish in the Prince Edward Islands EEZ is ... trend. Application of a simple age-structured production model provides robust indication that the ... suggest that the annual TAC should be reduced to at most about 400 tonnes. Implications for surveillance ... ) Title: A first attempt at an assessment of the Patagonian toothfish (Dissostichus eleginoides) resource ...
Meeting Document : WG-FSA-01/54 : Auteur(s): A. Brandão, B.P. Watkins, D.S. Butterworth and D.G.M. Miller (South Africa)
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Influence of tag numbers, size of tagged fish, duration of the tagging program, and auxiliary data on bias and precision of an integrated stock assessment
estimate annual recruitment and year class strengths. (3) For a simulated lightly fished stock, CASAL ... Abstract: Using a modeling framework for toothfish population dynamics, fishing and data ... numbers were important particularly in the early stages of an exploratory fishery to ensure some ... recaptures and maximise the likelihood of a robust assessment. (2) Using catch-at-age data instead of catch ...
Meeting Document : WG-SAM-12/24 : Auteur(s): P.E. Ziegler (Australia)
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Report of an examination of the acoustic data from RV Eduardo L. Holmberg collected during the FIBEX study
Abstract: Data from the Eduardo L Holmberg FIBEX survey have been re-examined for incorporation ... : Report of an examination of the acoustic data from RV Eduardo L. Holmberg collected during the FIBEX ...
Meeting Document : WG-KRILL-93/20 : Auteur(s): I. Everson (United Kingdom) and A.O. Madirolas (Argentina)
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An evaluation of the performance of the CCAMLR mackerel icefish (Champsocephalus gunnari) harvest control rule as applied within CCAMLR Subarea 48.3
harvest control rule for the mackerel icefish (Champsocephalus gunnari) in Subarea 48.3 are described. The ... review indicates that the approach is providing consistent, precautionary estimates of future biomass and ... having an almost negligible impact on the stock. Author(s): C. Darby, T. Earl and H. Peat (United ... Kingdom) Title: An evaluation of the performance of the CCAMLR mackerel icefish (Champsocephalus gunnari ...
Meeting Document : WG-SAM-13/31 Rev. 1 : Auteur(s): C. Darby, T. Earl and H. Peat (United Kingdom)
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Progress toward an agreement on the conservation of albatrosses and petrels
Author(s): Delegation of Australia Title: Progress toward an agreement on the conservation of ... Consent: Yes Delegation responsibility for releasing documents: CCAMLR Secretariat ...
Meeting Document : SC-CAMLR-XXI/BG/20 : Auteur(s): Delegation of Australia
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Progress toward an Agreement on the Conservation of Albatrosses and Petrels
Author(s): Delegation of Australia Title: Progress toward an Agreement on the Conservation of ... Consent: Yes Delegation responsibility for releasing documents: CCAMLR Secretariat ...
Meeting Document : SC-CAMLR-XX/BG/20 : Auteur(s): Delegation of Australia
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Data from recent trawl surveys in the vicinity of Heard Island and McDonald Islands (Division 58.5.2), reveal an unusual cohort structure in the mackerel icefish (Champsocephalus gunnari) population
population dynamics of this species, and to provide a basis for an assessment of short-term annual yield in ... population, leading to a situation that is unusual for this region, with four or five successive year classes ... the 2011/2012 CCAMLR season. This paper provides a preliminary assessment of yield for the area of ... Division 58.5.2 to the west of 79o 20’ E using standard CCAMLR methods. A predicted in 2010, the strong 4 ...
Meeting Document : WG-FSA-11/22 : Auteur(s): D.C. Welsford (Australia)