Résultats de la recherche
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Proposal to modify Conservation Measure 24-02 regarding the use of a streamer line
Abstract: The activities of the CCAMLR to minimize incidental mortality of seabirds in the course ... of longline fishing or longline fishing research in the Convention Area are carried out by means of ... : a) use a streamer line and b) control of the longline weighting rate. Currently, according to CM 24 ... paragraph 2,3 and 4). Thus, the use of a streamer line becomes meaningless for any vessels using longline ...
Meeting Document : SC-CAMLR-XXXVI/BG/23 : Auteur(s): Delegation of the Russian Federation
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Proposed continuation of a multi-Member longline survey on Antarctic toothfish (Dissostichus mawsoni) in Statistical Subarea 48.6 in 2018/19 by Japan and South Africa
various demographic parameters of Antarctic toothfish (Dissostichus mawsoni) in the Subarea 48.6 in 2018 ... area to better understand stock structure, movement patterns and improve estimation of population ... characteristics and thereby contribute to the development of spatial population models and assessments in support ... of management advice. Additional outcomes of the research include documenting relative abundance of ...
Meeting Document : WG-SAM-18/04 : Auteur(s): Delegations of Japan and South Africa
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Second progress report of the CEMP Special Fund overwinter penguin tracking project
Abstract: We provide a 2 nd update on the progress of our project “Tracking the overwinter ... habitat use of krill-dependent predators from Subarea 48.1”. The project was initiated with support from ... the CEMP Special Fund in 2015/16. Of 150 tags purchased in 2016, all have been deployed and the data ... collection phase has recently concluded. As of 28 May 2018, the last viable tags had ceased transmitting and ...
Meeting Document : WG-EMM-18/24 : Auteur(s): J. Hinke, G. Watters, M. Santos, M. Korczak-Abshire and G. Milinevsky
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Stock status and population assessment of the Antarctic starry skate (Amblyraja georgiana) in Subarea 48.3
Deficient” by IUCN (Endicott & Kyne 2009) and is one of the main by-catch species in the longline ... . Using ten years of tag-recapture data collected around South Georgia, a comprehensive analysis of data ... Georgia and Shag Rocks was undertaken. The outcomes of this study narrowed some of the existing knowledge ... Antarctic starry skates, and provide a preliminary stock assessment, showing that the current level of by ...
Meeting Document : WG-FSA-18/27 : Auteur(s): M. Söffker, N.D. Walker, M. Belchier and J. Ellis
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Progress report of Chilean research on albatross ecology and conservation
Abstract: Two species of albatross breed in Chile, namely Thalassarche melanophrys and T ... two different management regimes. This fact and the article XI of the CCAMLR Convention, suggests the ... need of harmonizing conservation measures in both areas. In this progress report we describe the main ... outcome of two research programs that are currently underway, which aim to establish if the effect of the ...
Meeting Document : WG-FSA-02/18 : Auteur(s): J. Arata and C.A. Moreno (Chile)
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Preliminary announcement of ‘Workshop on Krill Culturing Techniques’
techniques’ at Port of Nagoya Public Aquarium, Japan, in September 2002. Port of Nagoya Public Aquarium ... . Developing techniques of culturing krill in large number is thought to be a major break through for further ... understanding of krill biology. However, these achievements are not effectively gathered to provide a standard ... methodology. The aim of the workshop is to share the knowledge to date about the methodology of krill ...
Meeting Document : WG-EMM-01/37 : Auteur(s): Delegation of Japan
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Revision of the fishery–foraging overlap model
Abstract: The fishery-foraging model of Agnew and Phegan (1995) was reviewed by the Working Group ... was related to the total amount of krill removed from the foraging area during December to March. The ... Secretariat was tasked with the revision of the model, including modifications to the model in terms of both ... adjustments to temporal aspects of the underlying model and changes in the form of the index of overlap. The ...
Meeting Document : WG-EMM-98/05 : Auteur(s): Secretariat
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ANTARCTIC TOOTHFISH STOCK ASSESSMENT IN DIVISION 58.4.1 ON THE BASIS OF CATCH AND CPUE DATA
Abstract: An attempt to use reported catch and CPUE data based on data of observers in the ... assessment of Antarctic toothfish stock in Division 58.4.1 is made. Unlike some previous results obtained for ... this division (e.g. Agnew et al., 2008), the assessment was intended to be independent of estimates of ... toothfish stock biomass in the Ross Sea. As a result of implementation of an age-structured and a dynamic ...
Meeting Document : WG-FSA-09/14 Rev. 1 : Auteur(s): D. Vasilyev, K. Shust, A. Petrov, V. Tatarnikov and I. Istomin (Russia)
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Population dynamics of black-browed and grey-headed albatrosses Diomedea melanophris and D. chrysostoma at Bird Island, South Georgia
Abstract: Population dynamics of Black-browed and Grey-headed Albatrosses were studied at Bird ... Albatross colonies decreased, at an average rate of 1.8% per annum. Although the total Black-browed ... Albatross population increased (at 0.8% pa.), 14 of the 23 colonies (including both study colonies ... ) decreased. Black-browed Albatrosses follow an annual breeding cycle, with over 80% of birds successful in ...
Meeting Document : SC-CAMLR-XII/BG/21 : Auteur(s): Delegation of United Kingdom
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Growth and Natural Mortality of Yellowfin Notothenia Patagonotothen guntheri shagensis from Shag Rocks Shelf
Abstract: Regularities of growth are established from the data of age determinations and analysis ... of yellowfin notothenia length-weight composition, mathematical description of length-weight ... dependence and parameters of Bertalanffy equation are given. Natural mortality coefficient, M, calculated by ... six various methods ranged from 0.63 to 1.06. With mean value of M, age and length at optimum ...
Meeting Document : WG-FSA-89/18 : Auteur(s): V.I. Shlibanov (USSR)