Résultats de la recherche
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Effects of different harvesting strategies on the mackerel icefish Champsocephalus gunnari around South Georgia
Paper Title: Effects of different harvesting strategies on the mackerel icefish Champsocephalus ... gunnari around South Georgia Abstract / Description: The effects of a number of harvesting strategies on ... the mackerel icefish (Champsocephalus gunnari) have been simulated for a period of 30 years. These ... partial recruitment. For the projections, recruitment was assumed to follow the historical pattern. Pulse ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 77–100 : Auteur(s): Köster, F.W. and K.-H. Kock
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Assessment of krill biomass in fishing grounds using the data on fishing intensity and hydroacoustic method
beginning of the fishery. Application of the statistical method for assessment of the initial krill biomass ... Abstract: The paper contains a description of the statistical method used for assessment of the ... fishing intensity based on actual fishing effort and estimating the initial krill biomass prior to ... may be realistic provided that the conditions exist, which permit to determine the catchability of the ...
Meeting Document : SC-CAMLR-VIII/BG/10 : Auteur(s): USSR
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Features of chronology and breeding success of Pygoscelis papua and Pygoscelis adeliae penguins in the Wilhelm Archipelago (CCAMLR Subarea 48.1)
of the Wilhelm Archipelago. It was observed that at the beginning of the ХХІ century the nesting ... Abstract: We aim to investigate the qualitative changes in the habitats of two most common ... species penguin populations in the Wilhelm Archipelago Pygoscelis papua (gentoo) and Pygoscelis adeliae ... (Adelie) penguins in the CCAMLR Subarea 48.1 under the impact of climate changes and krill fishery. To ...
Meeting Document : WG-EMM-18/P13 : Auteur(s): I.V. Dykyy, G.P. Milinevsky, O.L. Savitsky, D.G. Lutsenko, P.B. Khoetsky, M.F. Veselsky, V.M. Smagol, A.O. Dzhulay, J.V. Tsaryk, K.M. Nazaruk, A.T. Zatushevsky, A.O. Simon and M.A. Telipska
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Assessment of fishing intensity of krill in Subarea 48.2 during the season of 1989/90
beginning of each month over entire area of vessels operation. In the fishing grounds where most number of ... Abstract: The research performed was aimed at assessment of fishing fleet impact upon krill ... population during the months (December-March), being critical to dependent species. The results of fishing ... intensity estimation are presented on the basis of haul to haul commercial statistics for Russian fleet ...
Meeting Document : WG-EMM-97/51 : Auteur(s): Ivanova, V.I., Sushin, V.A., Kasatkina, S.M.
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Foraging behaviour and reproductive success in chinstrap penguins: the effects of transmitter attachment
Paper Title: Foraging behaviour and reproductive success in chinstrap penguins: the effects of ... transmitter attachment Abstract / Description: The use of radio telemetry has been accepted as a standard ... method with which to monitor foraging trip duration in penguins by the CCAMLR (Commission for the ... Conservation of the Antarctic Marine Living Resources) Ecosystem Monitoring Program (CEMP). This paper reports ... observations. Nest failure rate was calculated as the number of nests which had failed by the end of ... ) at the beginning of the observation period were used as a control group. No transmitters were ... group that contained chicks (Le., nests that failed were excluded) for the beginning and conclusion of ... : AND THE REPRODUCTIVE EFFECTS OF WG-CEMP-91/33 SUCCESS IN TRANSMITTER D.A. CroU, IL ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 291–303 : Auteur(s): Croll, D.A., J.L. Bengtson, P.L. Boveng, M.E. Goebel and J.K. Jansen
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Estimation of tag-loss rates for tagged fish in the Patagonian toothfish (Dissostichus eleginoides) fisheries at Heard Island and McDonald Islands in Division 58.5.2
Abstract: Tag-loss or tag-shedding rates for tagged fish in the Patagonian toothfish ... estimated following the method proposed by Adam & Kirkwood (2001). Tag-loss rates were generally low ... fish. With an initial tag-loss proportion of 2.8% and ongoing tag-loss rate of 0.056 in the longline ... . The parameter of annual tag-loss rate in CASAL’s single-tag model was approximated, for a maximum time ...
Meeting Document : WG-FSA-17/21 : Auteur(s): P. Ziegler
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Relationships of Antarctic krill (Euphausia superba Dana) variability with westerlies fluctuations and ozone depletion in the Antarctic Peninsula area
that the mean of krill stock densities after the 1984/85 decreased drastically as compared with that ... Abstract: The assessment of environmental processes controlling variability of Antarctic krill ... (Euphausia superba) is an important subject to clarify the Antarctic marine ecosystem. We have assessed ... long-term relationship between Antarctic krill recruitment in the Antarctic Peninsula area and sea ...
Meeting Document : WS-AREA 48-98/5 : Auteur(s): M. Naganobu, K. Kutsuwada, Y. Sasai and S. Taguchi (Japan)
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Biomass, abundance and distribution of fish in the Kerguelen Islands EEZ (CCAMLR Statistical Division 58.5.1)
Paper Title: Biomass, abundance and distribution of fish in the Kerguelen Islands EEZ (CCAMLR ... conducted from September to October 2006 in the northern part of the Kerguelen Plateau (CCAMLR Statistical ... Division 58.5.1). The swept-area method was used in the depth range from 100 to 1 000 m with 207 random ... stratified stations. Estimates of biomass and abundance were produced for eight commercial species. The total ... 1987 and 1988 (SKALP surveys; see Duhamel, 1993a), nearly 20 years after the beginning of fish- ery ... the setup of a controlled fishery and the beginning of a French interest in the fish- ery. However ... that the POKER 2006 survey sampled the size range of the stocks in the area after the selectivity of ... after the POKER 2006 survey) for three increasing depth ranges (500–1 000, 1 000– 1 500 and >1 500 m ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 1–32 : Auteur(s): Duhamel, G. and M. Hautecoeur
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Dynamics of Notothenia rossii rossii size-age structure on the Kerguelen Islands shelf
catches and in some years (1981-1985) fisheries were based practically on recruitment. After the closure ... of the specialised fishery in 1985 and after the marbled rockcod by-catch at other fisheries was ... Abstract: Basing on materials of research expeditions and fishing cruises to the Kerguelen ... Islands shelf in the period from 1970 to 1991, dynamics of size- age structure of marbled rockcod ...
Meeting Document : WG-FSA-94/04 : Auteur(s): P.B. Tankevich (Ukraine)
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PROPOSED CHANGES TO THE SCIENTIFIC OBSERVERS MANUAL
sections are included at the end of this document which require endorsement from the Working Group. These ... Abstract: The Secretariat has made changes to the Observers Manual to reflect the current advice ... from the Scientific Committee and its Working Groups. These changes are presented as an annotated Table ... of Contents, with a full track-change version of the Manual provided as an appendix. Two additional ...
Meeting Document : TASO-09/04 : Auteur(s): Secretariat