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

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  1. Preliminary results from the first year of a three-year survey into the connectivity of toothfish species in Subareas 48.2 and 48.4

    Author(s):  K. Olsson, M. Belchier and M. Söffker Title:  Preliminary results from the first year ... of a three-year survey into the connectivity of toothfish species in Subareas 48.2 and 48.4 Approval ... :  Approved Secretariat Workflow Status:  Content Approved Delegation responsibility for releasing documents ...

    Meeting Document : WG-SAM-17/34 : Auteur(s): K. Olsson, M. Belchier and M. Söffker

  2. Preliminary results from the first year of a three-year survey into the connectivity of toothfish species in Subareas 48.2 and 48.4

    Author(s):  K. Olsson, M. Belchier and M. Söffker Title:  Preliminary results from the first year ... of a three-year survey into the connectivity of toothfish species in Subareas 48.2 and 48.4 Approval ... :  Approved Secretariat Workflow Status:  Content Approved Delegation responsibility for releasing documents ...

    Meeting Document : WG-FSA-17/46 : Auteur(s): K. Olsson, M. Belchier and M. Söffker

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

    Protected Area (SPA) completed. This year the CEP approved several plans and it was noted that two (ASPA ... the Committee for Environmental Protection (CEP-VI) under the Madrid Protocol. The most important ... (with those organizations) to seek a common approach as to how special protection for species in the ... marine environment could be achieved and how proposals under the Protocol for designating Specially ...

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

  4. Effects of recruitment variability and natural mortality on Generalised Yield Model projections and the CCAMLR Decision Rules for Antarctic krill

    %, 20%, or 30% were added to the observed recruitment values. The CCAMLR "depletion" decision ... below 20% of its unfished value, meeting the CCAMLR "depletion" decision rule for recruitment ... maintaining spawning biomasses above 20% of unfished biomass in more than 90% of the trials. As the values for ... Peninsula were used as proxies for recruitment variability. Simulations were run for 21 years with either no ...

    Meeting Document : WG-EMM-12/26 : Auteur(s): D. Kinzey, G. Watters and C. Reiss (USA)

  5. Report on fishing effort and seabird interactions during the season extension trials in the longline fishery for Patagonian toothfish (Dissostichus eleginoides) in Statistical Division 58.5.2

    for the pre-season and two post season extension trials were comparable to that during the existing ... fishery for Patagonian toothfish (Dissostichus eleginoides) in Statistical Division 58.5.2 started as a ... add season extensions from 15-30 April and 15 September- 31 October to the core season. In 2015 ... , CCAMLR XXXIV (para. 5.68) endorsed new pre-season (1-14 April) and post-season (15-30 November) season ...

    Meeting Document : WG-FSA-2019/31 : Auteur(s): P. Ziegler, T. Lamb, S. Wotherspoon and J. Dell

  6. Preliminary assessment of long-term yield of Patagonian toothfish (Dissostichus eleginoides) for the Heard Island region (CCAMLR Division 58.5.2) based on a random stratified trawl survey in June 2005

    58.5.2 in the vicinity of Heard Island in June 2005 to provide the information for an assessment of short ... for the area of Division 58.5.2 to the west of 79°20’ E using standard CCAMLR methods. It also ... function for the future projections based on full selection of adult fish, and (iv) consequence of reducing ... long-term yield of Patagonian toothfish (Dissostichus eleginoides) for the Heard Island region (CCAMLR ...

    Meeting Document : WG-FSA-05/30 : Auteur(s): A.J. Constable, T. Lamb and R. Williams (Australia)

  7. Best practice seabird by-catch mitigation for Spanish-rig longline vessels with emphasis on line weighting regimes

    between weights on longlines (30 m, 40 m and 50 m) and mass of the weights (4 kg, 6 kg and 8 kg) on sink ... mitigation for Spanish-rig longline vessels with emphasis on line weighting regimes Approval:  Approved ... throughout the southern hemisphere and has been the source of a large number of seabird fatalities. An ... priority because Spanish system gear, while fast to deeper depths (10-20 m), is slow to clear surface ...

    Meeting Document : WG-FSA-06/22 : Auteur(s): G. Robertson (Australia), C.A. Moreno (Chile), B. Wienecke (Australia), P. Gandini (Argentina), G. McPherson (Australia) and J.-P. Seco Pon (Argentina)

  8. Report on fishing effort and seabird interactions during the season extension trials in the longline fishery for Dissostichus eleginoides in Statistical Division 58.5.2

    Abstract:  CCAMLR XXXIV (para. 5.68) endorsed new pre-season (1-14 April) and post-season (15-30 ... November) trial season extensions, in addition to existing pre-season (15-30 April) and post-season (1-14 ... periods 1-14 November 2016, 15-30 November 2016, 1-14 April 2017 and 15-30 April 2017. This report ... trials in the longline fishery for Dissostichus eleginoides in Statistical Division 58.5.2 Approval ...

    Meeting Document : WG-FSA-17/20 : Auteur(s): T. Lamb

  9. Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia

    , depressing CPUE by up to 20%. Sperm whales have been more frequently encountered in recent years, occurring ... and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia ... consistent with no obvious pattern between months. Both species demonstrate an east to west migration ... without the presence of cetaceans, accounting for other determinants of toothfish CPUE through a ...

    Meeting Document : WG-FSA-10/P06 : Auteur(s): J. Moir Clark and D.J. Agnew

  10. Estimation of natural mortality using catch-at-age and aged mark-recapture data: a simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation

    -recapture data were generated for 12 years of fishing. Two alternative estimation models were programmed in ... . The model based on a new mortality equation (CCODE model) uses an ODE with constant within-year catch ... the age-structured population for each fishing year by annual recursive use of difference equations ... (ODE) for within-year population dynamics. The difference in the models derives from differences in ...

    Meeting Document : WG-SAM-10/11 Rev. 1 : Auteur(s): S.G. Candy (Australia)

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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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