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

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  1. Revised estimates of the biological parameters for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea

    Abstract:  This report updates the estimates of the biological parameters for Antarctic toothfish ... (Dissostichus mawsoni) in the Ross Sea (Subareas 88.1 and SSRUs 88.2A–B). We present revised estimates of the ... -data for plausible estimates of the steepness parameter of the stock-recruitment relationship and ... recruitment variability of Antarctic toothfish. Author(s):  A. Dunn, P.L. Horn and S.M. Hanchet (New Zealand ...

    Meeting Document : WG-FSA-SAM-06/08 : Auteur(s): A. Dunn, P.L. Horn and S.M. Hanchet (New Zealand)

  2. The recent decline in recruitment of Gobionotothen gibberifrons in the South Shetland Islands (CCAMLR Subarea 48.1)

    Abstract:  Commercial exploitation of fish stocks around Elephant Island and the lower South ... Shetland Islands ceased after the 1989/90 season. One of the larger and most abundant species in the area ... perturbations on a fish stock by recruitment failure as one of them. Data from the 1980’s and 1990’s (1983, 1985 ... recruitment of G. gibberifrons was normal. Recruitment began to decline substantially at the turn to the 2000 ...

    Meeting Document : WG-FSA-12/20 : Auteur(s): K.-H. Kock (Germany) and C.D. Jones (USA)

  3. Stock structure of Antarctic toothfish in Statistical Area 88 and implications for assessment and management

    Abstract:  We review the stock structure of Antarctic toothfish in Statistical Area 88 with the ... aim of characterising the likely stock boundaries relative to stock assessments. We include ... complex of SSRU 88.2H. Key information needs to further understand stock structure include characterising ... the movement patterns and linkages of Antarctic toothfish in the 80–120 cm size range, throughout the ...

    Meeting Document : WG-SAM-14/26 : Auteur(s): S.J. Parker, S.M. Hanchet and P.L. Horn (New Zealand)

  4. A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2014 random stratified trawl survey

    vicinity of Heard Island during June 2014. This paper provides a preliminary assessment of mackerel icefish ... population structure, abundance and yield for the area of Division 58.5.2 to the west of 79° 20’ E using ... standard CCAMLR methods. A pattern of multiple year classes being present simultaneously in the population ... projected. These projections indicate that catches of 309t in the 2014/15 season and 275t in the 2015/16 ...

    Meeting Document : WG-FSA-14/44 : Auteur(s): D.C. Welsford (Australia)

  5. A biomass estimate of Antarctic krill (Euphausia superba) at the Balleny Islands

    Abstract:  The biomass of Antarctic krill (Euphausia superba) at the Balleny Islands, Antarctica ... data processing followed the recommendations of CCAMLR SG-ASAM.  Two parameterisations of the krill ... acoustic target strength model were used.  The first parameterisation assumed a vertical orientation of ... (coefficient of variation, CV = 0.37), whereas biomass using θ=N(-20,28) was 13.75 kilotonnes (CV = 0.14).  The ...

    Meeting Document : WG-EMM-15/17 Rev. 1 : Auteur(s): M.J. Cox (Australia), Y. Ladroit, P. Escobar-Flores and R.L. O’Driscoll (New Zealand)

  6. An updated assessment of unicorn icefish (Channichthys rhinoceratus) in Division 58.5.2, based on results from the 2015 random stratified trawl survey

    May 2015. Recent work which is presented here has allowed for many of the biological parameters of ... provides both short (2 years) and long term (20 years) projections of unicorn icefish structure, abundance ... and yield for the area of Division 58.5.2 to the west of 79°20’ E using standard CCAMLR methods. Short ... term projections (20 year) indicate sustainable yield of 1663 t. Author(s):  D. Maschette and J. Dell ...

    Meeting Document : WG-FSA-15/50 : Auteur(s): D. Maschette and J. Dell (Australia)

  7. A description of current metrics and methods used in providing advice to the Scientific Committee on setting catch limits and assessing research plans in research blocks in exploratory fisheries and closed areas

    Abstract:  In recent years there have been a number of changes in the criteria, metrics and ... application of methods used in setting research catch limits in research blocks as well as assessing progress ... in research plans. This has resulted in some confusion in the application of methods and the intended ... purpose of the metrics included in the summary table presented to the Scientific Committee that includes ...

    Meeting Document : WG-SAM-16/18 Rev. 1 : Auteur(s): CCAMLR Secretariat

  8. Progress report of the CEMP camera network in Subarea 48.1

    Abstract:  We provide a brief update on the progress of our project “Establishing a CEMP Camera ... project is now running, with 53 time-lapse cameras installed throughout Subarea 48.1. Installation of ... of pre-existing cameras at some sites enabled validation studies to be completed and partial network ... coverage of breeding chronology and success estimates for 2015/16.  We were also able to develop methods ...

    Meeting Document : WG-EMM-16/58 : Auteur(s): J. Hinke, G. Watters, M. Santos, M. Korczak-Abshire, G. Milinevsky, A. Barbos, C. Southwell and L. Emmerson

  9. Proposal for the extension of research block 48.6_2

    Abstract:  Research block 48.6_2 is set in a limited part of the large-scale ridge which runs from ... accordingly they leave substantial amount of CL unfished in the research block because of limited spatial ... range and the low CPUE there. To enhance utilization of CL for stock assessment there, we would like to ... propose the extension of 48.6_2 in the near future(WG-SAM-16/08). Author(s):  T. Namba, T. Ichii and T ...

    Meeting Document : WG-SAM-17/09 : Auteur(s): T. Namba, T. Ichii and T. Okuda

  10. A preliminary survey on breeding population of Adélie penguins at Cape Hallett in the Ross Sea region, Antarctica

    Abstract:  To develop a long-term ecological research program at a breeding site of Adélie ... out a preliminary survey on the population size and foraging trips of penguins at Cape Hallett. All ... aerial images using an unmanned aerial vehicle (UAV). The Cape Hallett colony was composed of ... approximately 700 sub-colonies occupied by 53,450 pairs of Adélie penguins in 2016. The foraging area of the ...

    Meeting Document : WG-EMM-17/06 : Auteur(s): J.-H. Kim, H. Chung, W.Y. Lee, J.-W. Jung, M.C. Park, H.C. Shin and J.H. Kim

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

 

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