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

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  1. Update on the analysis of fish by-catch in the krill fishery using data from the CCAMLR Scheme of Scientific Observation

    Abstract:  Data on fish bycatch in the krill fishery has been collected as part of the CCAMLR SISO ... from a total of 9303 hauls collected on 60 cruise involving 18 different vessels over the period 2010 ... -2014. This paper examines the frequency of occurrence, proportion by mass and length-frequency ... distribution of the fish taxa reported. The frequency of occurrence of fish for each vessel ranged from 0.1 to ...

    Meeting Document : WG-EMM-14/31 Rev. 1 : Auteur(s): Secretariat

  2. Scientific contribution to the 2016 review of Conservation Measure 51-07: Part 2 – outcomes from the application of the risk assessment framework for distributing the krill trigger level in Area 48

    Abstract:  This paper presents the outcomes from the application of the risk assessment framework ... for distributing the krill trigger level in Area 48, which was described in Part 1 of this work (WG ... -FSA-16/47). This second part has two additional components of work: (i) results of the analyses using ... the data within the risk assessment framework, and (ii) a discussion of the implications of this work ...

    Meeting Document : WG-FSA-16/48 Rev. 1 : Auteur(s): A. Constable (on behalf of the e-group on CM 51-07 WG-EMM review)

  3. IMPLEMENTATION OF THE SYSTEM OF INSPECTION AND OTHER CCAMLR COMPLIANCE-RELATED MEASURES IN 2009/10

    Abstract:  IMPLEMENTATION OF THE SYSTEM OF INSPECTION AND OTHER CCAMLR COMPLIANCE-RELATED MEASURES ... IN 2009/10 INTRODUCTION This paper summarises information on the implementation of the System of ... on the implementation of conservation measures related to fisheries management and the submission of ... data has been provided in CCAMLR-XXIX/BG/9, although details of some compliance-related aspects of ...

    Meeting Document : CCAMLR-XXIX/BG/07 : Auteur(s): Secretariat

  4. Modelling the consequences of Antarctic krill harvesting of Antarctic fur seals

    Abstract:  In terms of the convention governing the Commission for the Conservation of Antarctic ... should take the needs of the predators of krill into account in order to reduce the risk of deleterious ... an annual krill catch limit, which is expressed as a proportion (??= 0.116) of a survey biomass ... estimate. This approach takes the needs of predators into account in only a crude way by assuming that a ...

    Meeting Document : WG-EMM-01/66 : Auteur(s): R.B. Thomson, D.S. Butterworth (South Africa), I.L. Boyd and J.P. Croxall (United Kingdom)

  5. Length-age composition of icefish (Champsocephalus gunnari, perciformes, notothenioidei, Channichthyidae) from different locations of South Georgia Island subarea

    have been used to study length-age composition of Champsocephalus gunnari from different locations of ... South Georgia Island Subarea. An analysis of Ch.gunnari length-age groups spatial distribution over ... Eastern, Northern, Western, Southern Island Shelf and near Shag Rocks allowed for revealing similarity of ... Ch.gunnari length-age composition structure at early years of life for fish inhabiting areas to the south of ...

    Meeting Document : WG-FSA-00/32 : Auteur(s): Zh.A. Frolkina (Russia)

  6. Bias in the estimation of krill yield from using a deterministic formulation of the median unexploited spawning biomass

    , while the second is a generalised yield model. The decision rules relate to the effects of a specified ... long-term annual yield (γ) on (i) the probability of the spawning stock being reduced below a set ... proportion of SB0 during a projection run (probability of critical depletion) and (ii) the median status of ... the spawning stock (as a proportion of SB0) at the end of the projection run (level of escapement ...

    Meeting Document : WG-EMM-97/45 : Auteur(s): de la Mare, W.K., Constable, A.J.

  7. Revised estimates of yield for Electrona carlsbergi based on a generalised version of the CCAMLR krill yield model

    Abstract:  Traditional methods for estimating yield per recruit as a function of fishing mortality ... can result in inappropriate high estimates of yield that could lead to depletion of stocks because of ... widely varying recruitment patterns, overestimation of the abundance of the stock and age of the most ... probabilities of the stock of Electrona carlsbergi becoming depleted over a 20 year period. These projections ...

    Meeting Document : WG-FSA-94/21 : Auteur(s): A.J. Constable and W.K. de la Mare (Australia)

  8. ESTIMATION OF IUU CATCHES OF TOOTHFISH INSIDE THE CONVENTION AREA DURING THE 2009/10 FISHING SEASON

    Abstract:  ABSTRACT The paper presents an estimate of IUU catches of toothfish during the 2009/10 ... 2010 to take into account new information submitted in respect of two vessels fishing in Divisions ... 58.4.1 and 58.4.4a. Changes from version 1 are highlighted in bold. ESTIMATION OF IUU CATCHES OF ... prepared an estimate of IUU catches of Dissostichus spp. in the Convention Area for the 2009/10 season ...

    Meeting Document : WG-FSA-10/06 : Auteur(s): Secretariat

  9. Zonal structure of zooplankton communities in the Southern Ocean south of Australia: results from a 2150 km continuous plankton recorder transect

    Abstract:  The Southern Ocean south of Australia is oceanographically complex, being characterized ... by double branches of the Sub-Antarctic Front (SAF), Polar Front (PF) and Southern Antarctic ... Circumpolar Current (SACCF), in addition to the Southern Boundary (SB) of the ACC. From 25 February to 3 March ... and 66.36°S, crossing each of these frontal zones. Surface temperature, salinity, and fluorescence ...

    Meeting Document : WS-BSO-07/P6 : Auteur(s): Hunt, B.P.V. and G. Hosie

  10. Krill of the Ross Sea: distribution, abundance and demography of Euphausia superba and Euphausia crystallorophias during the Italian Antarctic expedition (January–February 2000)

    ) were analysed to obtain a general picture of the summer distribution pattern, abundance and demography ... of krill in the western Ross Sea (Antarctica). A midwater sampler-trawl (Hamburg Plankton Net) was ... used to collect zooplankton and fish larvae. Mean relative biomass of Antarctic krill Euphausia superba ... , in the area north of Continental Shelf, was 9.3 g/1000m3 of filtered water with a mean density of ...

    Meeting Document : WG-EMM-02/32 Text : Auteur(s): A. Sala, M. Azzali and A. Russo (Italy)

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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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