Résultats de la recherche
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REPORT ON THE ABANDONED GILLNET RETRIEVAL OPERATION CONDUCTED BY AUSTRALIA IN CCAMLR STATISTICAL DIVISION 58.4.3B (BANZARE BANK)
gillnets as a fishing method to target toothfish in the Convention area. Estimating the impact of IUU ... fishing is hampered by a lack of data on the design, deployment, catch and bycatch rates of gill nets ... . This paper describes a gillnet found abandoned by Australian vessel patrolling BANZARE Bank ... (Statistical Division 58.4.3b), and the toothfish and bycatch found when a section of the gillnet was retrieved ...
Meeting Document : TASO-09/10 : Auteur(s): Snowdon, D., Hamill, J., McEachan, F., Welsford, D.
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Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic peninsula region
Abstract: A net sampling survey for krill was carried out by RV ‘Meteor’ along the Antarctic ... exceeded a factor of 35 times, while interannual variability between available surveys reached only a ... factor of 1.6 times. Krill mortality was calculated by linearized catch curve analysis and resulted a ... rate of Z=0.88 (1989/90) and Z=0.96 (1987/88). Production was estimated and resulted a P/B ratio of ...
Meeting Document : WG-KRILL-91/15 : Auteur(s): Delegation of Germany
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Outline proposal for geographic information services for CCAMLR
Abstract: This document outlines a proposal from the British Antarctic Survey (BAS) to provide a ... Geographical Information System (GIS) for CCAMLR. The proposal offers a web-based GIS that will provide state ... handling geographic information, and a phased handover of system development and maintenance to the ... experience in developing award-winning web-based GIS and spatial data access systems. The proposal offers a ...
Meeting Document : WG-EMM-12/70 : Auteur(s): Submitted by the Secretariat on behalf of Adrian Fox, British Antarctic Survey (United Kingdom)
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Report of the First Workshop on the Identification of Priority Areas for MPA Designation within Domain No. 1 (CCAMLR). Valparaiso 2012
, between 28 May and 1 June. At the workshop assisted delegates from 6 countries plus a number of NGOs and ... for conducting the analysis; a concerted list of conservation objectives to be included in the ... analyses; a review of existing and missing data; a definition of the cost-layer to be included; a ... was realized that some conservation objectives had a direct relationship with the feedback management ...
Meeting Document : WG-EMM-12/69
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Toothfish tagging programme around South Georgia, 2000
Abstract: A tagging programme for toothfish (Dissostichus eleginoides)w as undertaken around ... South Georgia during early 2000. Details of the programme are given. A total of 359 toothfish were ... tagged during a trawl survey on the Shag Rocks shelf and a further 135 were tagged on the continental ... fishermen operating in the region. Author(s): G. Pilling, I. Everson, D. Agnew, T. Daw, R. Forster, A ...
Meeting Document : WG-FSA-00/26 : Auteur(s): G. Pilling, I. Everson, D. Agnew, T. Daw, R. Forster, A. North and M. Purves (United Kingdom)
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ANALYSIS OF THE POTENTIAL FOR AN ASSESSMENT OF TOOTHFISH STOCKS IN DIVISIONS 58.4.1, 58.4.2
Abstract: Exploratory fisheries for Dissostichus spp. have been operating in these regions for a ... number of consecutive years with the tagging of toothfish a prerequisite for the legal fishery. This ... paper presents a detailed study of the catch and effort trends in Divisions 58.4.1 and 58.4.2 and a ... examines 4 assessment methods based on comparative CPUE trends, local depletions, a constant recruitment ...
Meeting Document : WG-SAM-08/04 : Auteur(s): D.J. Agnew, C. Edwards, R. Hillary, R. Mitchell (UK) and L.J. López Abellán (Spain)
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Identification of squid echoes in the south Atlantic
Abstract: During a research cruise of the British Antarctic Survey ship RRS James Clark Ross in ... February 1996, a substantial number of the ommastrephid squid, Martialia hyadesi, were caught in a pelagic ... gathered during this haul and a survey of the immediate vicinity, in order to characterise an acoustic ... , A., Watkins, J. Title: Identification of squid echoes in the south Atlantic Approval: Approved ...
Meeting Document : WG-EMM-97/26 : Auteur(s): Rodhouse, P., Goss, C., Brierley, A., Watkins, J.
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e-cc-xxi-a5-appIII.pdf
... , Seychelles, South Africa and the USA (Attachment A). 2. Discussions were based on the work undertaken by ... . Presentations were made by Mr I. Hay and Mr J. Davis (Australia) on a proposal for a centralised vessel ... Import Control Program and by Ms K. Dawson (USA) and Mr T. Pedersen (Secretariat) on a proposal for an ... electronic web-based CDS for Dissostichus spp. (CCAMLR-XXI/18 and BG/24). 5. A summary of the conclusions
application/pdf attached to:CDS Informal GroupMeeting Report : CDS Informal Group
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COMPARING CEMP INDICES TO INFORM FEEDBACK MANAGEMENT OF THE ANTARCTIC KRILL FISHERY
a recognized goal of the CCAMLR. We suggest that progress toward a feedback management approach can ... population can be assessed by measuring trends in the difference between the observed states of a “treatment ... ” and a “control” population. As the states of these monitored populations change relative to each other ... magnitude of impacts that are useful for a feedback management strategy. We use a simulation study to ...
Meeting Document : WG-EMM-11/25 : Auteur(s): J.T. Hinke and G.M. Watters (USA)
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Effects of orientation on acoustic scattering from Antarctic krill at 120 kHz
Abstract: Backscattering measurements of 14 live individual Antarctic krill (Euphausia superb a ... ) were made at a frequency of 120 kHz in a chilled insulated tank at the Long Marine Laboratory in Santa ... strengths determined from each echo. A method was developed for estimating the three-dimensional orientation ... as functions of orientation. Scattering models based on a simplified distorted-wave Born ...
Meeting Document : WG-EMM-99/42 : Auteur(s): D.E. McGehee (USA), R.L. O’Driscoll (New Zealand) and L.V. Martin Traykovski (USA)