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

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  1. Is our attempt to estimate biomass of Antarctic fish from a multi-species survey appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited

    this species was one of the first conservation measures CCAMLR adopted in 1985. Fish biomass within a ... CCAMLR Subarea or part of a subarea is commonly estimated targeting a number of species including N ... violated in the case of N. rossii which shows an abundance which is extremely skewed in that a large ... acoustic survey combined with a number of identification hauls might be the most promising approach to ...

    Meeting Document : WG-FSA-03/12 : Auteur(s): K.-H. Kock (Germany), M. Belchier (United Kingdom) and C.D. Jones (USA)

  2. Preliminary results of a feeding trial on the blue-eyed shag Phalacrocorax atriceps

    Abstract:  Local fish species were used to feed a captive blue-eyed shag Phalacrocorax atriceps ... otolith-lengths. The shag produced a total of 16 pellets, with a frequency of 1 every 2.5 days. It ... ingested willingly a mean ration equivalent to 31% of its mass, which is a higher energy requirement than ... -Oro and P. Silva (Argentina) Title:  Preliminary results of a feeding trial on the blue-eyed shag ...

    Meeting Document : WG-CEMP-94/29 : Auteur(s): R. Casaux, M. Favero, E. Barrera-Oro and P. Silva (Argentina)

  3. Towards a Minimum Realistic Model for investigating trophic relationships between Antarctic toothfish and demersal fish in the Ross Sea, Antarctica

    Abstract:  We report on progress towards developing a Minimum Realistic Model for investigating ... in the Ross Sea, Antarctica. These demersal fish are known to form a part (in some cases a ... substantial part) of the diet of Antarctic toothfish of a size commonly taken by the Ross Sea fishery and are ... and toothfish. A Minimum Realistic Model is the most appropriate modeling approach to investigate what ...

    Meeting Document : WG-SAM-10/21 : Auteur(s): M.H. Pinkerton, S. Mormede and S.M. Hanchet (New Zealand)

  4. A review of methodologies aimed at avoiding and/or mitigating incidental catch of protected seabirds.

    fisheries interactions have been released in a variety of local, national and international media. Recent ... published reviews in the field of bycatch mitigation have typically had a species or fishing method focus ... . This report presents the results of the seabird component of a global review of mitigation methods ... influencing the appropriateness and effectiveness of a mitigation device include the fishery, vessel, location ...

    Meeting Document : WG-FSA-05/P8 : Auteur(s): Bull, L.

  5. A method for inferring movement rates of fish from mark–recapture data

    time is known. The simplest approach is to make a frequency plot of the distance between each release ... being able to allow a much richer description of movement than is available with the frequency of ... distances approach. In addition, it also provides a way to generate a movement model that is parameterized ... , which includes uncertainty that can readily be integrated into a population simulation. If the goal of ...

    Meeting Document : WG-FSA-05/66 : Auteur(s): C. Wilcox (Australia)

  6. Longline sink rates on a bottom autoline vessel in New Zealand: draft

    Abstract:  Longline sink rates were investigated using Time Depth Recorders on a bottom autoline ... a method of accelerating line sink rate and thus avoiding incidental capture of seabirds. A new ... the middle of an unweighted longline of this design sinks to 10m in a mean time of 63.0 seconds (n ... = 11, c.v. 16.7%), compared with the start of the longline which takes a mean time 31.1 seconds (n = 11 ...

    Meeting Document : WG-FSA-98/51 : Auteur(s): N.W. McL. Smith (New Zealand)

  7. A CHARACTERISATION OF THE TOOTHFISH FISHERY IN SUBAREAS 88.1 AND 88.2 FROM 1997–98 TO 2007–08

    catch was the fourth highest on record with a total of 2666 t against a combined catch limit of 3207 t ... . The management of the SSRUs within the two subareas was changed for the 2006 season as part of a 3 ... season, primarily as a result of the ice conditions. The length frequency data from the Ross Sea fishery ... overall length frequency distribution, and no evidence for a reduction in fish length in any SSRU over ...

    Meeting Document : WG-FSA-08/22 : Auteur(s): M.L. Stevenson, S.M. Hanchet and A. Dunn (New Zealand)

  8. Further development of a spatially explicit population dynamics operating model for Antarctic toothfish in the Ross Sea region

    model for Antarctic toothfish over the entire Ross Sea region, for a medium scale spatial resolution ... (189 spatial cells) covering the Ross Sea region. The model was developed as a generalised Bayesian ... population dynamics model implemented using the Spatial Population Model software (SPM), and a single sex age ... also recommend a survey of the assumed spawning grounds during winter, and the controlled collection of ...

    Meeting Document : WG-SAM-13/35 : Auteur(s): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)

  9. Key considerations for planning a large-scale krill survey

    ) might also play a role in the future management of the krill fishery. Such surveys provide an indication ... scientific working groups. We identify the key components of a large-scale survey and the key technical and ... resource issues that must be addressed. We suggest that CCAMLR’s working groups should establish a process ... important in the future management of the krill fishery. The design of the CCAMLR 2000 survey might be a ...

    Meeting Document : WG-EMM-15/27 : Auteur(s): S. Hill, J. Watkins (United Kingdom), O.R. Godø (Norway), S. Kawaguchi (Australia), D. Kinzey, C. Reiss (USA), V. Siegel (Germany), P. Trathan (United Kingdom) and G. Watters (USA)

  10. Scientific contribution to the 2016 review of Conservation Measure 51-07: Part 1 – rationale, method and data for a risk assessment framework for distributing the krill trigger level

    undertaken to further develop a risk assessment approach to spatially subdivide the trigger level through an ... overall risk of localised effects on predators can also be calculated for a known or nominated ... critical times.  This paper provides the first part of a contribution to the required review of CM51-07 in ... 2016 and provides a risk assessment method for distributing the trigger level to reduce the risk of ...

    Meeting Document : WG-FSA-16/47 Rev. 1 : Auteur(s): A. Constable (on behalf of the e-group on CM 51-07 WG-EMM review)

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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-EMM-2025
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