Résultats de la recherche
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Behaviour of Dissostichus eleginoides fitted with archival tags at Heard Island: preliminary results
Abstract: Thirty nine Dissostichus eleginoides were released in the vicinity of Heard Island ... carrying archival tags in April 2002. Since then seven have been recaptured and the depth and temperature ... data they recorded is analysed here. Most of the fish had periods of active vertical movement ... alternating with periods of relative inactivity, loosely correlated with moon phase. The direction of vertical ...
Meeting Document : WG-FSA-02/60 : Auteur(s): R. Williams and T. Lamb (Australia)
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CCAMLR conservation measures: alternative approaches for fishery measures
Abstract: Conservation measures are an integral part of the Convention and are used for managing ... Antarctic marine living resources. Over the 17 years of their existence, conservation measures have grown in ... number and complexity, from two measures adopted at CCAMLR-III to 61 measures in force in 2000/01. The ... majority of the conservation measures adopted by the Commission deal with the management of fisheries, and ...
Meeting Document : CCAMLR-XX/20 Rev. 1 : Auteur(s): Secretariat
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Preliminary study on reproduction in Champsocephalus gunnari from Subarea 48.3, Dr Eduardo Holmberg survey, February/March 1994
Abstract: A preliminary histological analysis on the ovarian development in Champsocephalus ... described for other species. A gonad maturation scale was elaborated and adapted to the macroscopic scale ... commonly used. Oocytary resorption processes were observed during ovarian maturation. In some cases the ... ovaries presented few atretic oocytes; in others a generalized regression was found. In the southwest ...
Meeting Document : WG-FSA-94/28 : Auteur(s): G.J. Macchi and E.R. Barrera-Oro (Argentina)
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Biology and harvesting of Dissostichus eleginoides around Kerguelen Island (Division 58.5.1)
Abstract: Dissostichus eleginoides is becoming an increasingly important species in the fisheries ... of the Southern Ocean. In Division 58.5.1, a directed trawl fishery has been in operation since 1984 ... /85 and has expanded in the deep western sector of the Kerguelen shelf. This fishery harvests the sub ... -adult/adult part of the stock. Fishing effort and corresponding catches are very variable from one year ...
Meeting Document : WG-FSA-91/09 : Auteur(s): G. Duhamel (France)
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CEMP 2018/19 data and updated spatial analysis of Area 48
Abstract: This paper reports on the CCAMLR Ecosystem Monitoring Program (CEMP) data submissions ... for the 2018/19 monitoring season detailed by site and species, and includes an update to the Combined ... Standardised Index (CSI) analysis from 2018 for Area 48. The CSI analysis is a method used to examine spatial ... patterns of inter-annual variability of the response by krill-dependent predators to changes in the ...
Meeting Document : WG-EMM-2019/04 : Auteur(s): CCAMLR Secretariat
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SUMMARY OF VME NOTIFICATIONS MADE UNDER CONSERVATION MEASURES 22-06 AND 22-07
Abstract: The requirements for notifying encounters, and potential encounters with vulnerable ... -07 in the case of encounters with potential VMEs during the course of bottom fishing, and under CM 22 ... -06 in other cases such as during research surveys. Notifications are held in the Secretariat’s VME ... registry. Since 2008, the Secretariat has received a total of 32 notifications of encounters with VMEs ...
Meeting Document : WG-EMM-11/07 : Auteur(s): Secretariat
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A comparative morphometric analysis of sagittal otoliths of three icefishes (Channichthyidae) in Antarctic waters
Abstract: In the present study a comparative morphometric analysis of sagittal otoliths was ... the continental shelf and slope around Elephant Island (Subarea 48.1) and the South Orkney Islands ... differences between the left and right sagittae in BSDs, a univariate and multivariate ANOVA and MANOVA were ... from the 20 harmonics analyzed were homoscedastic and normal, and showed very low level of correlation ...
Meeting Document : WG-FSA-18/47 : Auteur(s): G. Plaza, C. Rodríguez-Valentino and P.M. Arana
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Report on fish by-catch during research fishing activities in Division 58.4.4b between 2008 and 2018
inform bycatch mitigation measures” of the ongoing research plan on Patagonian toothfish (Dissostichus ... composition in number and biomass during the period 2008-2018 to investigate the inter-annual variations in ... bycatch patterns, spatial distribution and biological parameters of the main bycatch species. Macrourus ... spp., Antimora rostrata and skates (mostly Amblyraja taaf) were the three dominant species caught as ...
Meeting Document : WG-FSA-2019/53 : Auteur(s): C. Péron, C. Chazeau, N. Gasco and F. Massiot-Granier
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Conceptual model of Antarctic epi- and mesopelagic fish
Abstract: The Convention for the Conservation of Antarctic Marine Living Resources (CCAMLR) is ... currently considering plausible models of the Southern Ocean ecosystem within the Working Group on Ecosystem ... Monitoring and Management (WG-EMM). Epi- and mesopelagic fish are key components in the oceanic (deep water ... ) marine ecosystem throughout the CCAMLR area. While not in most cases the object of commercial fisheries ...
Meeting Document : WG-EMM-04/58 : Auteur(s): R. Williams (Australia)
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Report of activities performed under support of CCAMLR Scientific Scholarship in 2019
Abstract: A list of events attended by the Scholarship holder for 2019 with the support of the ... CCAMLR Scientific Scholarship is presented. The types of work that have been completed and the knowledge ... that is planned to be acquired during the visit to the Mentor are presented. Author(s): I. Slypko ...
Meeting Document : SC-CAMLR-38/BG/23 : Auteur(s): I. Slypko