Résultats de la recherche
-
Comparative analysis of the results of determination of reproductive ability of Antarctic toothfish in the Subarea 88.3
Dissostichus mawsoni caught in the Bellingshausen Sea in 2011- 2012 seasons are presented. Morphological ... the Bellingshausen Sea the Antarctic toothfish had deferred reproductive ability compared with other ... subareas of the Pacific Antarctic studied previously, it was detected a low share of females with the ... ovaries at the stage of vitelligenous growth of oocytes (diameter 1.41-1.61 mm), and males with maturing ...
Meeting Document : WG-FSA-12/32 : Auteur(s): S.V. Piyanova, A.F. Petrov and A.V. Presnyakov (Russia)
-
Continuation in the 2015/16 season of the research plan initiated in 2012/13 for stocks of Dissostichus spp. in Divisions 58.4.1 and 58.4.2
Abstract: In the 2012/13 fishing season Spain began implementing a multi-annual Research Plan for ... : depletion and tagging. In 2014/15 the vessel was unable to conduct the proposed research experience due to ... problems with a blade of the propeller, During the season 2015/16 is intended to make the same proposed ... research with some minor changes, always subject to the ice conditions, fulfilling Spain's commitment ...
Meeting Document : WG-SAM-15/02 : Auteur(s): Delegation of Spain
-
On interim distribution of the trigger level in the fishery for Euphausia superba in Statistical Subareas 48.1, 48.2, 48.3 and 48.4
Abstract: Taking into account the practice and current state of krill fishery in Area 48, Ukraine ... proposed to upgrade the Conservation Measure 51-07 in order to redistribute the trigger level of catch in ... establishing season limitations of close to shore fishery. New revision will still enable to follow the ... precaution conservation principles of the Convention and in the same time will not inflict an economic damage ...
Meeting Document : WG-EMM-16/56 : Auteur(s): G. Milinevskyi and K. Demianenko
-
Sensitivities in the assessment of the Patagonian toothfish (D. eleginoides) in Subareas 48.3 and 48.4 to truncation of tagging data
Abstract: The assessment of toothfish in CCAMLR subarea 48.3 currently uses the first four years ... of tag recaptures post release as input data, whereas the assessment in subarea 48.4 uses all ... available recapture data (excluding in-year recaptures). A theoretical analysis of the use of data from ... introduce bias into the assessment. Sensitivity tests on both stocks show that this bias occurs in practice ...
Meeting Document : WG-SAM-17/35 : Auteur(s): T. Earl
-
Report on 2017 Activities of the Southern Ocean Observing System (SOOS), relevant to the work of CCAMLR
Abstract: The Southern Ocean Observing System (SOOS) has developed a number of networks and ... products of importance to the work of CCAMLR. Through this paper, SOOS seeks to update SC-CCAMLR on this ... . SOOS encourages CCAMLR delegates to communicate with, and be involved in the SOOS regional networks ... contribute directly to the Database of Upcoming Expeditions to the Southern Ocean to facilitate international ...
Meeting Document : SC-CAMLR-XXXVI/BG/14 : Auteur(s): Submitted by SCOR
-
The krill maturity cycle: a conceptual description of the seasonal cycle in Antarctic krill
Abstract: A long term study on the maturity cycle of Antarctic krill was conducted in a research ... temperature and food conditions, and the succession of female maturity stages and intermoult periods were ... there were differences in length of the cycle and intermoult periods between the experimental conditions ... describing seasonal cycle of krill physiology which provides a framework for future studies and highlight the ...
Meeting Document : WG-EMM-06/23 : Auteur(s): S. Kawaguchi, T. Yoshida, L. Finley, P. Cramp and S. Nicol (Australia)
-
Report on the effectiveness of integrated weight (fast sinking) longlines in reducing the mortality of white-chinned petrels and sooty shearwaters in autoline longline fisheries
Abstract: The difference in the number of white-chinned petrels (Procellaria aequinoctialis) and ... examined in the New Zealand ling (Genypterus blacodes) autoline longline fishery. The experiments were ... conducted in the seabird breeding seasons (October/November) of 2002 and 2003 on F/V’s Janas and Avro ... the seabird species occurring in Divisions and Subareas where night setting exemption currently ...
Meeting Document : WG-FSA-04/72 : Auteur(s): G. Robertson (Australia), N. Smith (New Zealand), B. Wienecke and S. Candy (Australia)
-
Design of the Italian acoustic survey in the Ross Sea
Abstract: The paper submits the design of the acoustic survey that should be carried out in the ... next Italian expedition to the Ross Sea (2002), for eventual changes, improvements and suggestions ... . Author(s): M. Azzali and A. Sala (Italy) Title: Design of the Italian acoustic survey in the Ross Sea ...
Meeting Document : WG-EMM-01/64 : Auteur(s): M. Azzali and A. Sala (Italy)
-
Cross-sectional structure and validation of the timing of annulus formation in otoliths of the Antarctic fish Notothenia coriiceps Richardson (Nototheniidae)
Abstract: To validate the timing of annuli in otoliths of immature Notothenia coriiceps ... (SEM) techniques were used to examine the structure of sectioned otoliths. Six growth regions were ... identified in the otolith sections and micro-increments were also evident. The timing of growth and annual ... techniques were shown to correspond, supporting the hypothesis that annuli visible by using light microscopy ...
Meeting Document : WG-FSA-93/6 Rev. 1 : Auteur(s): J.R. Ashford and M.G. White (United Kingdom)
-
On assessing the size of the humped rockcod stock (Notothenia gibberifrons) in Subarea 48.3
Abstract: An adaptive approach was used to assess the Notothenia gibberifrons stock in Area 48.3 ... . It is demonstrated that when tuning the VPA using abundance indices from trawl surveys it is ... imperative to estimate the catchability coefficient. This parameter was equal to 0.326 to 0.635. An adaptive ... approach in this case involved using a target function in the form of the sum of square deviations in ...
Meeting Document : WG-FSA-91/26 : Auteur(s): P.S. Gasiukov (USSR)