Résultats de la recherche
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UPDATED KRILL RECRUITMENT DATA FOR THE ELEPHANT ISLAND REGION OF THE SOUTH SHETLAND ISLANDS, ANTARCTICA; 2002-2008
Abstract: The proportional krill recruitment index is updated from 2002 to present using data ... from the US AMLR surveys around Elephant Island, Antarctica. Proportional recruitment indices were ... derived from the CMIX procedure, and were also derived as a proportion of the <30 mm length class for ... , with low recruitment occurring during the intervening years. Significant differences in the ...
Meeting Document : WG-EMM-08/41 : Auteur(s): C. Reiss (USA)
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PRELIMINARY ASSESSMENT OF MACKEREL ICEFISH, CHAMPSOCEPHALUS GUNNARI, IN THE VICINITY OF HEARD ISLAND AND MCDONALD ISLANDS (DIVISION 58.5.2), BASED ON A SURVEY IN JULY 2008, USING THE GENERALISED YIELD MODEL
58.5.2 in the vicinity of Heard Island in July 2008 to provide the information for an assessment of short ... -term annual yield in the 2008/2009 CCAMLR season. This paper provides a preliminary assessment of yield ... for the area of Division 58.5.2 to the west of 79o 20’ E using standard CCAMLR methods. The strong ... year class detected in last year’s survey is now fully recruited as the 2+ cohort, and dominates the ...
Meeting Document : WG-FSA-08/56 : Auteur(s): D.C. Welsford (Australia)
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A methodological proposal to monitor changes in coastal fish populations by the analysis of pellets of the blue-eyed shag Phalacrocorax atriceps
. The methodology considered is based in the analysis of regurgitated pellets of the blue-eyed shag ... Phalacrocorax atriceps. The fundaments of the proposal as well as the methods tested and the steps followed are ... changes in coastal fish populations by the analysis of pellets of the blue-eyed shag Phalacrocorax ...
Meeting Document : WG-EMM-95/84 : Auteur(s): Barrera-Oro, E., Casaux, R.
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Report of an examination of the acoustic data from RV Eduardo L. Holmberg collected during the FIBEX study
Abstract: Data from the Eduardo L Holmberg FIBEX survey have been re-examined for incorporation ... into the BIOMASS Database in the approved standardised format. The results indicate the krill were ... concentrated to the western end of the South Orkney Islands. Density values are consistent with those from ... : Report of an examination of the acoustic data from RV Eduardo L. Holmberg collected during the FIBEX ...
Meeting Document : WG-KRILL-93/20 : Auteur(s): I. Everson (United Kingdom) and A.O. Madirolas (Argentina)
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The gentoo penguin as a candidate species for the CCAMLR Ecosystem Monitoring Program
Island, South Georgia and at the South Shetland Islands (both within Integrated Study Regions (ISR’s) of ... the CCAMLR Ecosystem Monitoring Programme (CEMP)), we suggest (and provide a full bibliography of ... supporting literature) that the Gentoo penguin meets the specified criteria qualifying species for inclusion ... in the CEMP. The extensive dependence of this species in these ISR’s on Euphausia superba, (including ...
Meeting Document : WG-CEMP-90/14 : Auteur(s): J.P. Croxall and T.D. Williams (United Kingdom)
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Proposal for the adoption of interim krill management measures for application until the implementation of a long term conservation strategy
Abstract: Based on the need of implementing interim measures for krill management before an ... in the interim period. Specific measures are proposed, consisting in the control of catches by means ... of the difference between availabilities and a minimum value. Variation of the minima will provide ... several equilibrium points depicting the relationship between population increase and population size ...
Meeting Document : WG-CSD-87/16 : Auteur(s): Delegation of Argentina
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Results of krill fishery in Subarea 48.2 in the 2009 season based on data of the Russian vessel Maxim Starostin
Abstract: Results of Russian krill fishery in the area 48.2 in the season of 2009 (March ... – beginning of June) on the cruise data of trawler “ Maxim Starostin ” are discussed in the paper. The vessel ... used the continuous fishing method. 21 trawlings with the total duration of 1113,5 hours were carried ... hydrometeorological and ice conditions are given in the paper. Author(s): S.Yu. Gulyugin, V.E. Polonskiy and S.M ...
Meeting Document : WG-EMM-10/08 : Auteur(s): S.Yu. Gulyugin, V.E. Polonskiy and S.M. Kasatkina (Russia)
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The demersal fish communities of the shelf and slope of South Georgia and Shag Rocks (CCAMLR Subarea 48.3)
. The demersal fish assemblage found on the shelf to depths of around 400m is dominated by notothenids ... and is comprised largely of species endemic to the Southern Ocean and Scotia Sea. At increasing depths ... (400-600m) diversity increases with the presence of many benthopelagic species including Stomiiformes ... , Aulopiformes and Zoarcids. At the greatest depths sampled the demersal fish community is dominated by ...
Meeting Document : WG-FSA-14/26 : Auteur(s): S. Gregory, M.A. Collins and M. Belchier (United Kingdom)
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Developing the risk assessment framework for the Antarctic krill fishery in Area 48
Abstract: Recognising that CM 51-07 is scheduled to lapse at the end of the 2020/2021 fishing ... season, we outline a plan of work to engage with the CCAMLR community to move towards refining the krill ... risk assessment framework. WG-EMM has previously offered advice about how the risk assessment might be ... improved for the future. We therefore indicate key areas for community engagement to help develop the next ...
Meeting Document : WS-SM-18/04 : Auteur(s): P. Trathan, V. Warwick-Evans, E. Young, S. Thorpe, E. Murphy, N. Kelly, S. Kawaguchi and D. Welsford
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A simulation approach to the evaluation of recruitment surveys for D. eleginoides for the Heard Island Plateau region (Division 58.5.2)
Abstract: Assessments of long-term sustainable yield using the Generalised Yield Model (GYM) and ... the setting of total allowable catches (TAC) for Patagonian Toothfish, Dissostichus eleginoides, for ... the Heard Island Plateau region (Division 58.5.2) are based on data obtained from annual random ... . Evaluation of both the current RSTS design for Division 58.5.2 and some options for future modifications of ...
Meeting Document : WG-FSA-04/74 : Auteur(s): S.G. Candy, C.R. Davies and A.J. Constable (Australia)