Résultats de la recherche

1. Depletion experiment of Dissostichus eleginoides stock in the south of South Georgia Island (Antarctica)

   Abstract:  Ten hauling for Dissostichus eleginoides were performed from the 11lth to the 21 of ... projected to 3244.8 nm2, obtaining an estimated biomass of 937.8 ton. Due to statistical limitations of ... given by the vessel were confirmed with information obtained from an automatic position system (ARGOS ... these data, another analisis based in the density (Kg/nm2) on the fished area was used. The positions ...

   Meeting Document : WG-FSA-94/31 : Auteur(s): P. Rubilar, C.A. Moreno (Chile) and J. Ashford (United Kingdom)

2. Estimating Antarctic krill density from multi-beam observations using distance sampling methods

   multi-beam sonars.  Here I highlight a recently published analysis technique- an adaptation of distance ... sampling theory- that provides a general means for estimating krill density and biomass from vertically ... oriented multi-beam echo-sounder data.  I describe an extension to this approach that may, subject to the ... Abstract:  The Scientific Committee has requested SG-ASAM to provide advice on the collection and ...

   Meeting Document : SG-ASAM-12/05 : Auteur(s): M.J. Cox (Australia)

3. Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)

   that the modes represented year classes and that one translucent zone is formed annually in otoliths of ... the otoliths of D. mawsoni appears to be a valid method for determining the age of this species ... , sagittal otoliths were examined from D. mawsoni that had been injected with oxytetracycline some years ... juvenile D. mawsoni. Mean fish lengths at ages 0.5, 1.5, 2.5, and 3.5 years were estimated to be 14, 28, 37 ...

   Meeting Document : WG-FSA-02/33 : Auteur(s): P.L. Horn, C.P. Sutton (New Zealand) and A.L. DeVries (USA)

4. Developing conceptual models of elements of the Antarctic marine ecosystem: Antarctic krill (Euphausia superba)

   Abstract:  A simple generalised conceptual life history model for Antarctic krill is developed ... as an evolved product of interactions between the species and its environment. In particular, the ... based on observations and data from the literature. The model attempts to take into account the observed ... model focuses on the different forces that act on the larval and adult stages. Author(s):  S. Nicol and ...

   Meeting Document : WG-EMM-04/50 : Auteur(s): S. Nicol and S. Kawaguchi (Australia)

5. Support to CCAMLR to identify and deter illegal, unreported and unregulated (IUU) fishing activities that undermine the objective of the CAMLR Convention – Interim Report 2019

   Abstract:  In 2018 EU provided a further grant of €50 000 to support to CCAMLR to identify and ... Approved Document Release Consent:  No Delegation responsibility for releasing documents:  CCAMLR ...

   Meeting Document : CCAMLR-38/BG/05 : Auteur(s): INTERPOL and CCAMLR Secretariat

6. Uncertainty in reported geographical distribution and weight of krill catches from Norwegian krill fishing vessels operating continuous fishing systems

   . Experiments on board ‘Saga Sea’ showed that there is an average delay of approximately 9 minutes between the ... are difficult to retrace, and therefore, in order to get an idea about the uncertainty in reported ... average values of ca. 18 hours for low catch rates to ca. 3 hours for high catch rates. The deviance in ... :  Content Approved Document Release Consent:  No Delegation responsibility for releasing documents:  CCAMLR ...

   Meeting Document : WG-EMM-18/22 : Auteur(s): G. Skaret, T. Knutsen, F. Grebstad and O.A. Bergstad

7. Measurements of differences in the target strength of Antarctic krill (Euphausia superba) swarms at 38 and 120 kHz

   simultaneously insonified at these two frequencies in studies off the South Orkneys and Elephant Island in March ... in average target strength at these two frequencies. The results are in good agreement with recent ... experimental work on the target strength of encaged E. Superba at 38 and 120 kHz but are in major conflict with ...

   Meeting Document : WG-KRILL-90/28 : Auteur(s): I. Hampton (South Africa)

8. Towards a validation of ageing in mackerel icefish (Champsocephalus gunnari) – can we estimate age more accurately?

   older than 3 or 4 years were aged. These differences could not be reconciled at the end of the exchange ... . A second age determination workshop on mackerel icefish to improve the accuracy of age determination ... was agreed upon at the last meeting of the ‘Working Group on Fish Stock Assessment’. Our report ... briefly summarizes the state of knowledge on age determination in mackerel icefish and assesses the ...

   Meeting Document : WG-FSA-05/23 : Auteur(s): K.-H. Kock (Germany) and Zh.A. Frolkina (Russia)

9. Proposition visant à désigner comme zone spéciale destinée à l'étude scientifique une zone marine nouvellement exposée, adjacente au glacier de l’île du Pin (sous-zone 88.3)

   newly-exposed marine area adjacent to Pine Island Glacier (Subarea 88.3) as a Special Area for ... Scientific Study Microsoft Word File:  e-cc-38-20.docx Approval:  Approved Secretariat Workflow Status ... :  Content Approved Document Release Consent:  Yes Delegation responsibility for releasing documents ...

   Meeting Document : CCAMLR-38/20 : Auteur(s): Delegation of the European Union and its Member States

10. Otolith chemistry reveals local population structure of Antarctic toothfish (Dissostichus mawsoni) within the CCAMLR Subarea 48.6

    Abstract:  Antarctic toothfish Dissostichus mawsoni is an important fish species with ecological ... subarea 48.6 is one of an important fishing zone, however, the local population structure of D. mawsoni is ... in Sr·Ca-1, Mg·Ca-1 and Ba·Ca-1 for the otolith of D. mawsoni were examined between three blocks. The ... responsibility for releasing documents:  China ...

    Meeting Document : WG-FSA-18/75 : Auteur(s): L. Wei, G.P. Zhu, S. Somhlaba, X.Y. Yu and M. Duan

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