Résultats de la recherche
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Experimental acoustic survey of icefish resources in Subarea 48.3, 2005
Abstract: This report describes the activities and preliminary results of the research carried ... out during January 2005 onboard the FPRV ‘Dorada’ by British Antarctic Survey (BAS) Scientists on ... behalf of UK authorities. Survey Objectives The primary objectives of the proposed survey were to ... : • Refine methods for estimating icefish biomass using acoustics. • Examine temporal changes in the vertical ...
Meeting Document : WG-FSA-05/79 : Auteur(s): M. Belchier, M. Collins (United Kingdom), R. O’Driscoll (New Zealand), S. Clarke and W. Reid (United Kingdom)
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Interdiction de prélèvement des ailerons de requins capturés dans la zone de la Convention de la CCAMLR
Abstract: 1. In 2006, CCAMLR adopted Conservation Measure 32-18 on the conservation of sharks ... . The measure prohibits “directed fishing on shark species in the Convention Area…” and calls for the ... live release of incidentally-caught sharks where possible. The measure is, however, silent on the ... practice of shark finning should incidental catches of sharks occur. The delegations of Brazil, Chile ...
Meeting Document : CCAMLR-XXXIII/20 : Auteur(s): Delegations of Brazil, Chile, European Union and the USA
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Modifications proposées à la mesure de conservation 10-05 pour élargir les possibilités de participation des Parties non contractantes au système CCAMLR de documentation des captures à l'égard des captures saisies ou confisquées
CCAMLR’s consideration. The proposed amendments broaden the scope of how Non-Contracting Parties (NCPs) may ... participate in the Catch Documentation Scheme (CDS), where they have seized or confiscated Dissostichus spp ... . catch. The amendments are based on the options presented by Australia at CCAMLR XXXIV (2015) and ... incorporate the recommendation of the e-CDS Workshop regarding the issuing of SVDCDs on behalf of NCPs ...
Meeting Document : CCAMLR-XXXV/17 : Auteur(s): Delegation of Australia
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Conceptual model of icefish (Champsocephalus gunnari)
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). The icefish, Champsocephalus gunnari, is one of the key components in the ... subantarctic marine ecosystem in the Scotia Sea and northern Kerguelen Plateau areas, as well as supporting ...
Meeting Document : WG-EMM-04/59 : Auteur(s): R. Williams (Australia)
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Blue-eyed shags as indicators of changes in ittora fish populations
Abstract: The use of Shag’s pellets as an appropriate technique to monitor the abundance of ... littoral fish populations is presented for consideration of the CCAMLR Ecosystem Monitoring Program Working ... Group. The effectiveness of the method is based on the very good agreement found between the fish ... species identified by the examinations of otoliths present in regurgitated cast and those regularly ...
Meeting Document : WG-CEMP-93/25 Rev. 1 : Auteur(s): R. Casaux and E. Barrera-Oro (Argentina)
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Broadbandwidth total target strength measurements of Antarctic krill (Euphausia superba) from reverberation in a cavity
= 31.6 mm; standard deviation = 6.6 mm), at the Cape Shirreff field station, Livingston Island ... of seawater (0.6??temperature??3.6 °C). Between each pulse, the krill moved within the fixed-boundary ... -tank and the modulated reverberations were sensed bi-statically with three omnidirectional receivers ... . At each center frequency (fc), the coherent energy in 200-pulse ensembles identified sound scattered ...
Meeting Document : WG-EMM-02/49 : Auteur(s): D.A. Demer and S. G. Conti (USA)
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Characteristics of krill aggregations in 48.4 subdivision during January–February 2000
type in relation to water mass structure and dynamics. The distributional features and physical ... characteristics of some 2400 krill swarms detected and sized acoustically in the study area have been described ... been made an analysis of krill biomass horizontal and vertical distributions in the study area in ... relation to characteristics of the aggregations recorded. The effect of spatial distribution of krill ...
Meeting Document : WG-EMM-01/42 : Auteur(s): S.M. Kasatkina, A.P. Malyshko, V.N.Shnar and O.A. Berezhinskiy (Russia)
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A simulation study of krill fishing by an individual Japanese trawler (SC-CAMLR-VI/BG/37)
Abstract: A model is set up for the operation (which includes both searching and fishing) of a ... whose parameters are determined primarily from the scientific FIBEX surveys. Output from the model of ... the operation is compared with (and partially tuned to) statistics for a sample of data from the ... than in the model. Two ad hoc model modifications are introduced to eliminate this inconsistency ...
Meeting Document : WS-KCPUE-89/04 : Auteur(s): D.S. Butterworth (South Africa)
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A simulation study of krill fishing by an individual JAPANESE trawler
Abstract: A model is set up for the operation (which includes both searching and fishing) of a ... whose parameters are determined primarily from the scientific FIBEX surveys. Output from the model of ... the operation is compared with (and partially tuned to) statistics for a sample of data from the ... than in the model. Two ad hoc model modifications are introduced to eliminate this inconsistency ...
Meeting Document : SC-CAMLR-VII/BG/37 : Auteur(s): D.S. Butterworth (Invited Expert)
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A simulation study of krill fishing by an individual Japanese trawler
/ Description: A model is set up for the operation (which includes both searching and fishing) of a Japanese ... parameters are determined primarily from the scientific FIBEX surveys. Output from the model of the operation ... is compared with (and partially tuned to) statistics for a sample of data from the commercial fishery ... . A major inconsistency is found: haul times are a factor of 4-5 times greater in reality than in the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 1–108 : Auteur(s): Butterworth, D.S.