Résultats de la recherche

1. An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) in Division 58.5.2 using CASAL

   datasets and to the choices of parameters used in both the stock assessment and projections. It is ... Division 58.5.2. It updates the model used at WG-FSA in 2006 using data from the 2007 season as well as ... 2006 data not available for WG-FSA in 2006. It also includes the following refinements: (i) estimation ... of the coefficient of variation (CV) for length given age, (ii) use of non-informative priors for ...

   Meeting Document : WG-FSA-07/53 Rev. 1 : Auteur(s): S.G. Candy and A.J. Constable (Australia)

2. Upward adjustments to local catch limits for the krill fishery in Subarea 48.1

   the gSSMUs defined in another compilation of vignettes (AERD 2016a, pp. 3-13).  We propose upward ... greater than one. We advocate real-life testing of the ideas proposed here to prove the concept; in ... adjustments to local catch limits for the krill fishery in Subarea 48.1.  We use the term local catch limit to ... refer to a catch limit that applies to a group of SSMUs (gSSMU), and the work presented here is based on ...

   Meeting Document : WG-EMM-16/47 : Auteur(s): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries

3. Ukrainian complex marine expeditions in the Southern Ocean

   measuring systems, and this is one of the most prominent examples of public-private partnership in Antarctic ... research. In particular, during the marine expedition, continuous monitoring of the physical and chemical ... -term monitoring of the spread of polluting chemicals in coastal ecosystems, as well as prediction of ... zones of increased biological productivity in the CAMLR Convention Area. Author(s):  E. Dykyi, V ...

   Meeting Document : WG-EMM-2019/62 : Auteur(s): E. Dykyi, V. Komorin and A. Fedchuk

4. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region to 2018/19

   in the number of tags recaptures in 2018 and 2019; (ii) two years of additional fishing as the ... (MCMC) diagnostics suggested no evidence of non-convergence in the key biomass parameters. Patterns of ... residuals in the age-frequency proportions suggested some evidence of either strong and weak year class ... (Dissostichus mawsoni) in the Ross Sea region (Subareas 88.1 and SSRUs 88.2A-B) is updated and revised using the ...

   Meeting Document : WG-FSA-2019/08 : Auteur(s): A. Dunn

5. Gentoo penguin (Pygoscelis papua) population winter/summer behaviour and CEMP time-lapse cameras validation at Galindez Island in the 2018/19 season

   station (Galindez Island), GAI CEMP site, provided daily observations of 15 gentoo nests chosen in the ... during 2018-19 season. The detailed observation of bird arrival, nesting, hatch and crèche has been ... provided in two colonies at GAI CEMP site at Galindez Island nearby the Vernadsky station. We inform on the ... results of visual survey of penguin population and penguin count. During the 2018/19 season biologist ...

   Meeting Document : SC-CAMLR-38/BG/13 : Auteur(s): Delegation of Ukraine

6. Finfish distribution and abundance in Subareas 48.1 and 48.2, 2016–2018. Research proposal for the second year

   Abstract:  According to the experience gained in the first phase of the research and observations ... made by WG-SAM-16, a new proposal is provided to determine the distribution and abundance of fish in ... in each stratum depth. With the data obtained in each subarea, the density of fish resources will be ... determined using the Delta method. Additionally, in a delimited sector north of Elephant Island, the catch ...

   Meeting Document : WG-FSA-16/31 : Auteur(s): Delegation of Chile

7. Monitoring Antarctic toothfish (D. mawsoni) recruitment in the southern Ross Sea

   survey monitoring the recruitment of Antarctic toothfish (Dissotichus mawsoni) in the southern Ross Sea ... was started in 2012. The first year established the feasibility of carrying out a random stratified ... data show the appearance of a strong year class in 2012 which progressed through each year to 2017 and ... the appearance of a second strong year class in 2016. Although the changes in age frequency were ...

   Meeting Document : WG-FSA-17/57 : Auteur(s): S.M. Hanchet, S. Mormede, S. Parker, K. Large, A. Dunn and B. Sharp

8. Has climate change promoted genetic fragmentation in the ice-dependent fish Pleuragramma antarcticum?

   anti-clockwise Coastal Current, than in the opposite direction. Reduced level of gene flow along the ... in the central region of the western AP for two consecutive years, all suggest that this sea-ice ... pelagic life cycle and plays a major trophic role in the coastal Antarctic marine ecosystem. A previous ... genetic study investigated the population structure of this species, but used mitochondrial DNA sequencing ...

   Meeting Document : WG-FSA-13/67 : Auteur(s): C. Agostini, T. Patarnello (Italy), J. Ashford, J. Torres (USA) and L. Zane (Italy)

9. Recent information relevant to squid resources in the Convention Area

   adjacent to the Convention Area, with a catch in excess of 12,000 tonnes. Recent improvements in processing ... Frontal Zone are presented in SC/CAMLR/BG/??. Author(s):  Delegation of the United Kingdom Title:  Recent ... waters. Although regulations for fishing of squid in nearby waters provide a useful model framework ... , management of a Martialia fishery by CCAMLR would require a better understanding of the distribution and ...

   Meeting Document : SC-CAMLR-XIV/BG/22 Rev. 1 : Auteur(s): Delegation of the United Kingdom

10. Improvements to the multiple-frequency method for in situ target strength measurements

    to improve the accuracy and precision of in-situ target strength (TS) measurements using split-beam ... integer multiples of each other. In this study, the method itself was improved by: 1) optimizing the ... improves the rejection of unresolvable and constructively interfering target multiples by combining ... accuracy and precision of the angular and range measurements of the individual frequency detections; 2 ...

    Meeting Document : WG-EMM-99/38 : Auteur(s): D.A. Demer (USA) and M.A. Soule (South Africa)

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