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Commission pour la conservation de la faune et la flore marines de l'Antarctique

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

    Abstract:  The Scientific Committee has requested advice on the feasibility of conducting a ... the amount of survey effort required to achieve a target level of precision using a stratified random ... sample design and results from the FIBEX and AMLR surveys. These calculations suggest that approximately ...

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

  2. Diving patterns and processes in epipelagic and benthic foraging sub-Antarctic seabirds

    Abstract:  We contrast the depth, duration and pattern of diving in the epipelagic-foraging Gentoo ... Penguin (Pygoscelis papua) and the benthic-foraging Blue-eyed Shag (Phalacrocorax atriceps). The daily ...

    Meeting Document : WG-CEMP-91/19 : Auteur(s): T.D. Williams, J.P. Croxall (United Kingdom), Y. Naito and A. Kato (Japan)

  3. Preliminary Results of a Bottom Trawl Survey Around Elephant Island in October and December 1987

    Chaenocephalus aceratus, Notothenia gibberifrons and N. neglecta at least since February 1985. In N. rossii the ... proportion of larger (= older) fish in the catches increased. Composition of the catches of C. gunnari ... shelf areas of the Peninsula region. Author(s):  K.-H. Kock (FRG) Title:  Preliminary Results of a ...

    Meeting Document : WG-FSA-88/31 : Auteur(s): K.-H. Kock (FRG)

  4. New photo-identification catalogues from Crozet and Kerguelen Islands

    Abstract:  Depredation is observed in many places within the convention area and is an increasing ... concern for fishery. Killer whale and sperm whales are the two odontocetes species mainly responsible for ... this issue. One of the key point to understand the process of depredation is to use photo ...

    Meeting Document : WG-FSA-15/71 : Auteur(s): P. Tixier, N. Gasco and C. Guinet (France)

  5. Longline fishing at Tristan da Cunha: impact on seabirds

    Abstract:  Tristan da Cunha and Gough Islands in the central South Atlantic Ocean support globally ... lines during the day, only one bird (a Great Sheawater Puffinus gravis) was killed (mortality rate 0.001 ... birds per 1000 hooks). By comparison, the pelagic fishery for tuna, which exceeds demersal fishing ... breeding at the islands. Stricter regulations are required for pelagic vessels, including routine placing ...

    Meeting Document : WG-FSA-00/13 : Auteur(s): N. Glass, I. Lavarello, J.P. Glass and P.G. Ryan (South Africa)

  6. Introducing Casal2 for toothfish stock assessments

    Abstract:  The Casal2 software implements an updated generalised age-structured marine population ... model that allows more flexibility in specifying the population dynamics, parameter estimation, and ... Initial comparisons of CASAL and Casal2 show that these programs provide the same stochastic results, and ... on their stock assessments and / or on simulation data. Any issues should be registered through the ...

    Meeting Document : WG-SAM-18/14 : Auteur(s): S. Mormede

  7. Development of a generic operating model framework for data collection, assessment method and management strategy evaluations

    enable to evaluate data collection protocols, assessment methods and management strategies. The model ... the FLR framework and will incorporate links to external assessments programs such as CASAL. The model ... framework will have a number of modules representing the fish population dynamics, harvest by fishing fleets ...

    Meeting Document : WG-FSA-11/20 : Auteur(s): P. Ziegler (Australia)

  8. Preliminary assessment of mackerel icefish, Champsocephalus gunnari, in Subarea 48.3 using a length based population dynamics modelv

    Abstract:  A length-based projection model is used to estimate catch limits for the 2011/12 ... fishing season for Champsocephalus gunnari in CCAMLR sub area 48.3. The model is initialised using ... estimated numbers at length derived from survey length density and biomass density data, removing the need ... of the harvest control rule ensuring 75% escapement after a two year projection period yielded a ...

    Meeting Document : WG-FSA-11/30 Rev. 1 : Auteur(s): R.E. Mitchell and S.M. Martin (United Kingdom)

  9. Development of a generic operating model framework for data collection, assessment method and management strategy evaluations

    enable to evaluate data collection protocols, assessment methods and management strategies. The model ... the FLR framework and will incorporate links to external assessments programs such as CASAL. The model ... framework will have a number of modules representing the fish population dynamics, harvest by fishing fleets ...

    Meeting Document : WG-SAM-11/13 : Auteur(s): P.E. Ziegler (Australia)

  10. PRELIMINARY ASSESSMENT OF TOOTHFISH IN SUBAREA 48.3

    Abstract:  1. 2009 data have been incorporated in to the catch-at-age based CASAL model for ... toothfish in Subarea 48.3. 2. Fits to the survey data are good for the early 2000s, particularly 2004 to ... 2006. Fits to the catch at age data are good, except for 2009 where large numbers of age 7 and age 9 ...

    Meeting Document : WG-FSA-09/28 Rev. 1 : Auteur(s): D.J. Agnew and T. Peatman (United Kingdom)

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E-mail: ccamlr [at] ccamlr [dot] org
Téléphone: +61 3 6210 1111
Fax: +61 3 6224 8744
Adresse: 181 Macquarie Street, Hobart, 7000, Tasmania, Australia

 

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  • WG-SAM-2025
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