Résultats de la recherche

1. 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)

2. 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

3. 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

4. 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)

5. 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)

6. 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

7. 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

8. Estimating density and biomass of Antarctic krill around South Sheltland Islands using the 2-dB difference method

   integration (SHAPES module within that software for swarm identification) based on data from a transect-based ... estimated using an acoustics survey. Acoustic data were collected with 38 and 120 kHz from April 13 to 24 in ... in 2016 than those in 2017. Author(s):  S.-G. Choi, K. Lee and D. An Title:  Estimating density and ... responsibility for releasing documents:  Korea, Republic of ...

   Meeting Document : WG-EMM-17/08 : Auteur(s): S.-G. Choi, K. Lee and D. An

9. A review of conversion factors used in CCAMLR toothfish fisheries

   submitted to the CDS should be based on a conversion of the ‘green weight’ for each haul in the C2 data to a ... as an apparent long-term trend in the most commonly reported conversion factors. This variability ... reconciliation between the reported catch for a vessel and the weight of product reported in a catch document ... paper reviews the data available on conversion factor in the C2 and Observer data as well as the factors ...

   Meeting Document : WG-FSA-15/02 : Auteur(s): CCAMLR Secretariat

10. Standing stock biomass of eight species of finfish around Elephant Island and the lower South Shetland Islands (Subarea 48.1) from the 1998 US AMLR bottom trawl survey

    Lepidonotothen squamifrons. Estimates of total stock biomass only were computed for two additional species ... bottom trawl surveys in March, 1998 of the two major regions of the South Shetland Islands: Elephant ... total stock biomass and spawning stock biomass were computed for six species: Champsocephalus gunnari ... : Lepidonotothen larseni and Notothenia rossii. Biomass was estimated for both regions separately, and combined as ...

    Meeting Document : WG-FSA-98/17 : Auteur(s): C.D. Jones (USA), K.-H. Kock and S. Wilhelms (Germany)

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