Résultats de la recherche

1. Descriptive analysis of the Antarctic toothfish (Dissostichus mawsoni) tagging scheme in the Ross Sea for the years 1997/98 to 2003/04

   liberty for 2–3 years have averaged 5– 7 cm per year, which is consistent with growth rates predicted from ... two years, when tagging has been part of the Conservation Measure, New Zealand vessels have tagged ... analysis of the Antarctic toothfish (Dissostichus mawsoni) tagging scheme in the Ross Sea for the years ... since 2001 is presented for the first time. Tag-release and tag-recapture data are presented for both ...

   Meeting Document : WG-FSA-SAM-05/10 : Auteur(s): A. Dunn, S.M. Hanchet and K. Maxwell (New Zealand)

2. Proposed continuation of a multi-Member longline survey on Antarctic toothfish (Dissostichus mawsoni) in Statistical Subarea 48.6 in 2019/20 by Japan, South Africa and Spain

   proposal for 2019/20 season is presented to ensure continuity of previous research activities. Data and ... biomass estimation and for stock linkage studies, and collecting information on distribution, and life ... 2013 to enhance data collection and analysis in the subarea 48.6. From the last season (2018/19) Spain ... techniques, pop-up tags and genetic analysis will provide the basis for the development of spatial population ...

   Meeting Document : WG-SAM-2019/13 Rev. 1 : Auteur(s): Delegations of Japan, South Africa and Spain

3. Preliminary evaluation of two feedback management strategies for the krill fishery in Subareas 48.1–48.3

   of the Convention. Management strategies for the krill fishery are currently comprised of an overall ... evaluation of two feedback management strategies for the krill fishery in Subareas 48.1–48.3 Microsoft Word ... for the krill fishery will compromise the Commission’s ability to achieve the objectives in Article II ... statically distributed among SSMUs in proportion to catches taken during 2009-2016, we found that the two ...

   Meeting Document : SC-CAMLR-XXXVII/BG/12 : Auteur(s): Delegation of the USA

4. Results of the Spanish exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2 in the two previous seasons

   second year of Spanish research experience and ongoing research plan presented in WG-SAM- 14/12 and WG ... during the last two fishing seasons is presented.    A prospective estimation of the local biomass (B LOC ... Biomass in the entire SSRUs, as well as an estimation of the Biomass in SSRU 58.4.1H using the mark ... :  Results of the Spanish exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2 ...

   Meeting Document : WG-FSA-14/35 : Auteur(s): R. Sarralde, L.J. López-Abellán and S. Barreiro (Spain)

5. The three-frequency method for classifying the species and assessing the size of two euphausiids (Euphausia superba and Euphausia crystallorophias)

   Abstract:  In this paper an acoustic method for identifying two euphausiid species and estimating ... their length is described. The approach is in fact an outgrowth from both the fluid sphere and Bayes ... echo-integrations, made simultaneously either at two or at three frequency, and of the results of net ... samplings, the thresholds and the decision criteria to recognize the two species are established. Next the ...

   Meeting Document : WG-EMM-02/37 : Auteur(s): M. Azzali, G. Lanciani and I. Leonori (Italy)

6. Preliminary investigations into a two-area stock assessment model for Antarctic toothfish (Dissostichus mawsoni) in the Amundsen Sea Region

   present the preliminary development of a two-area stock assessment model. A two-area model is a method for ... the acquisition of additional data to provide an index of abundance for the southern ASR be given a ... investigations into a two-area stock assessment model for Antarctic toothfish (Dissostichus mawsoni) in the ... status for Antarctic toothfish in the Amundsen Sea Region (ASR- Subarea 88.2 SSRUs 88.2C-H) and ...

   Meeting Document : WG-FSA-14/57 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)

7. Identification of marine Important Bird and Biodiversity Areas for penguins in South Shetland and South Orkney Islands: a comparison of two different approaches

   ; • We show, for the first time, that maps of predicted distributions based on habitat suitability models ... penguins, based on tracking data (when available) and habitat modelling, which can contribute to an ... , and 2) revision of parameters for the kernel analysis (the smoothing factor and the utilization ... can be used with a high degree of confidence to identify marine IBAs for penguins; • The results ...

   Meeting Document : WG-EMM-17/35 : Auteur(s): M.P. Dias, A.P.B. Carneiro, V. Warwick-Evans, C. Harris, K. Lorenz, P. Trathan

8. A TALE OF TWO ISLANDS: CONTRASTING FORTUNES FOR SUBANTARCTIC SKUAS AT THE PRINCE EDWARD ISLANDS

   , continuing an apparent decrease in this species at Marion Island since the 1980s. There is no evidence that ... petrels. Author(s):  P.G. Ryan, P.A. Whittington and R.J.M. Crawford Title:  A TALE OF TWO ISLANDS ... : CONTRASTING FORTUNES FOR SUBANTARCTIC SKUAS AT THE PRINCE EDWARD ISLANDS Approval:  Approved ... Edward Island compared to only 22% on Marion Island where penguins are more important. The numbers of ...

   Meeting Document : WG-EMM-10/P3 : Auteur(s): P.G. Ryan, P.A. Whittington and R.J.M. Crawford

9. A tale of two islands: contrasting fortunes for sub-Antarctic skuas at the Prince Edward Islands

   . Crawford Title:  A tale of two islands: contrasting fortunes for sub-Antarctic skuas at the Prince Edward ... , continuing an apparent decrease in this species at Marion Island since the 1980s. There is no evidence that ... Prince Edward Island compared to only 22% on Marion Island where penguins are more important. The numbers ... coverage in 2008, whereas the number of skua nests on Marion Island was barely half that counted in 2001 ...

   Meeting Document : WG-EMM-10/P03 : Auteur(s): P.G. Ryan, P.A. Whittington and R.J.M. Crawford

10. Comparing two and three frequency dB window identification techniques for estimating Antarctic krill density

    of krill targets was carried out using different permutations of two and three-frequency windows ... . Density was estimated, from identified krill targets, using the 120 kHz data and an acoustic scattering ... ) three-frequency window. Author(s):  S. Fielding Title:  Comparing two and three frequency dB window ... identification techniques for estimating Antarctic krill density Approval:  Approved Secretariat Workflow Status ...

    Meeting Document : SG-ASAM-18/01 : Auteur(s): S. Fielding

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