Résultats de la recherche
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AMLR Hydroacoustic Survey System Description of Methods, A Case Study
blocks of area and finally a total estimate of abundance and statistical confidence limits about the ... block estimates and the total biomass in the surveyed area. The process depends on: 1) a calibrated ... , towed hydroacoustic system; 2) real-time analysis of data; and 3) using a structured database which ... Survey System Description of Methods, A Case Study Approval: Approved ...
Meeting Document : WG-KRILL-89/10 : Auteur(s): M.C. Macaulay (USA)
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Results of the research fishing activities conducted by Chile in Management A of Subarea 48.3 from 2005–2008: the importance of conserving the big older fishes
Abstract: This research makes a contribution to the Agenda Item 8 of the WG-FSA. (Biology ... Dissostichus eleginoides (TOP) from the Area management A (subarea 48.3), after 4 year of closure (2004 to 2008 ... fish caught, at a mean rate of approximately 1 kg per year/per individual. This result suggests that ... conducted by Chile in Management A of Subarea 48.3 from 2005–2008: the importance of conserving the big ...
Meeting Document : WG-FSA-10/35 : Auteur(s): C.A. Moreno and P. Rubilar (Chile)
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Expanding Antarctic seabird monitoring in east Antarctica using a remote camera network: potential use for monitoring for feedback management
monitor using traditional methods. Remotely-operating time-lapse cameras offer a tool for cost-effective ... made at sub-optimal times, and (5) through a network of cameras, quantify spatio-temporal variation in ... these parameters. By establishing a network of cameras at seabird breeding colonies across east ... Antarctica using a remote camera network: potential use for monitoring for feedback management Approval ...
Meeting Document : WG-EMM-14/27 : Auteur(s): C. Southwell and L. Emmerson (Australia)
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Recommendations from a cross-sector workshop on krill fishing and conservation in the Scotia Sea and Antarctic Peninsula region
Abstract: In June 2014, the ICED programme, the British Antarctic Survey and WWF co-hosted a two ... workshop. There is broad cross-sector commitment to maintaining a healthy ecosystem and support for ... . This accord could be strengthened by articulating a clear research and development strategy to support ... from a cross-sector workshop on krill fishing and conservation in the Scotia Sea and Antarctic ...
Meeting Document : WG-EMM-14/12 : Auteur(s): S. Hill, R. Cavanagh, R. Downie, C. Knowland and S. Grant (United Kingdom)
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PiNT – a tool for renaming observer photographs at sea
deployments, it is crucial to develop a common naming convention that allows to keep track of where, when, and ... on which vessel a picture was taken by whom, together with basic information on the picture content ... development of a tool in Excel. Author(s): N. Gasco, C. Chazeau, P. Tixier (France), C. Heinecken (South ... Africa), J. Clark and M. Soeffker (United Kingdom) Title: PiNT – a tool for renaming observer ...
Meeting Document : WG-FSA-15/76 : Auteur(s): N. Gasco, C. Chazeau, P. Tixier (France), C. Heinecken (South Africa), J. Clark and M. Soeffker (United Kingdom)
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Independent reviews of CCAMLR stock assessments – a discussion paper
Abstract: In 2013 the Commission endorsed the Scientific Committee’s recommendation to develop a ... on this topic and supporting the Scientific Committee in their development of a procedure ... as a mechanism for transparency of the stock assessment process, particularly if reports of such ... Article II. Author(s): Delegation of the USA Title: Independent reviews of CCAMLR stock assessments – a ...
Meeting Document : SC-CAMLR-XXXV/BG/20 : Auteur(s): Delegation of the USA
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A single-area stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in SSRU 88.2E for the 2004/05 season
Abstract: This report outlines a Bayesian sex and age structured population stock assessment ... catch removals were modelled as a single fishery. Model fits to the data were adequate, with the tag ... maturity ogive, there was a significant biomass of mature, but ‘invulnerable’ fish in the projection period ... calculated as 218 t. Author(s): A. Dunn, D.J. Gilbert and S.M. Hanchet (New Zealand) Title: A single-area ...
Meeting Document : WG-FSA-05/31 : Auteur(s): A. Dunn, D.J. Gilbert and S.M. Hanchet (New Zealand)
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Preliminary assessment of mackerel icefish, Champsocephalus gunnari, on the Heard Island Plateau (Division 58.5.2) based on a survey in April–May 2003
Abstract: A preliminary assessment of yield of Champsocephalus gunnari for Heard Island Plateau ... (Division 58.5.2) was undertaken using the standard CCAMLR methods, based on the result of a randomly ... in recruitment, natural mortality and growth of these fish, combined with the need to maintain a ... steady yield if possible need to be explored further in the development of a management procedure that ...
Meeting Document : WG-FSA-03/32 : Auteur(s): A.J. Constable, C.R. Davies, R. Williams and T. Lamb (Australia)
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Preliminary assessment of Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a survey in May 2002
Abstract: A survey of Patagonian toothfish, Dissostichus eleginoides, was undertaken in Division ... -term annual yield in the 2002/2003 CCAMLR season and beyond. This paper provides a preliminary ... assessment of yield using the assessment methods of CCAMLR, a summary of which is presented here. The ... the remainder of the season. Thus, a revision of the assessment provided here is expected to be needed ...
Meeting Document : WG-FSA-02/70 : Auteur(s): A.J. Constable, R. Williams and T. Lamb (Australia)
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On influence of acoustic survey methodology improvement on krill biomass estimation. (A comparison of results of acoustic surveys based on single-frequency and double-frequency algorithms)
species identification realized by single-frequency and double-frequency algorithms could cause a marked ... difference in krill biomass estimates. A difference was more than 1.8 times in the case under consideration ... . Judging from significant differences in biomass estimates attributed to only introducing a new method of ... have a considerable influence on biomass estimates obtained. Therefore. it is expected that the ...
Meeting Document : WG-EMM-01/41 : Auteur(s): S.M. Kasatkina and A.P. Malyshko (Russia)