Résultats de la recherche
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IDENTIFICATION OF DATA QUALITY METRICS FOR TAGGING DATA SELECTION
quality metrics may be most powerful in distinguishing the trips considered to have good tagging data ... . These include metrics for taxonomic resolution in the observer data, goodness of fit of catch data to ... Benford's Law, and the variation in toothfish catch rates.This reduced set of data quality metrics ... could be helpful in the identification of trips which have similar data quality to the known “good data ...
Meeting Document : WG-SAM-09/19 : Auteur(s): D.A.J. Middleton and A. Dunn (New Zealand)
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Distribution and biology of grey notothen (Lepidonotothen squamifrons) around South Georgia and Shag Rocks (Southern Ocean) CCAMLR Subarea 48.3.
regulations in 1989 have meant it is now only caught in sub-area 48.3 during research surveys. Data collected ... distribution, size, maturity, and diet. Distribution was patchy with aggregations in specific ‘hotspots’ to the ... dominated by salps/tunicates, but with ontogenetic and depth variations in prey composition. Enhanced ... knowledge of L. squamifrons in this region will be valuable in future research on habitat and foodweb ...
Meeting Document : WG-FSA-12/34 : Auteur(s): S. Gregory, J. Brown and M. Belchier (United Kingdom)
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Première évaluation de la performance de la CCAMLR
with experience in relevant areas of science, fisheries management and legal matters. Report of the ... with its authors. The views and recommendations contained in the report do not necessarily reflect the ... views of the organisation, the Commission or its Members. Review responses At its meetings in 2008 and ... , SCAF and Scientific Committee) to address each of the recommendations in the Panel’s report. Addressing ...
Page : Site Section: The Organisation
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Review of fishery monitoring and forecast procedures
groups) in CCAMLR fisheries, including catches taken from small-scale research units and other management ... closed 68 fishing areas, and the total catches of Dissostichus in areas closed using the forecast model ... will operate in the future in the same way as it did in the period from which the data are used to make ... will be inaccurate. A range of management options are considered in response to a catch overrun. The ...
Meeting Document : WG-SAM-13/06 : Auteur(s): Secretariat
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CCAMLR protocol for krill biomass estimation
the B 0 workshop held in La Jolla, USA, in May 2000 (SC-CAMLR-XIX, Annex 4, Appendix G). A number of ... changes in assessing krill target strength (TS) and identifying acoustic targets have been introduced via ... ; Conti and Demer, 2005) that led to the re-analysis of the CCAMLR-2000 survey at a workshop held in ... Cambridge, UK, in June 2010 (SC-CAMLR-XXIX, Annex 5). There remains some ambiguity to the interpretation of ...
Meeting Document : SG-ASAM-16/02 : Auteur(s): S. Fielding, A. Cossio, M. Cox, C. Reiss and G. Skaret
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La règle de décision de la CCAMLR, ses qualités et ses faiblesses
Abstract: Scientific Committee has recognised that in order to maintain its leadership in ... by considering hypothetical, future changes in the fishery- stock interactions and the stock ... changes in the fishery- stock interactions. However, the robustness of the Decision Rule, to potential ... climate change induced variation in productivity, highlights a sensitivity that should be considered by ...
Meeting Document : SC-CAMLR-38/15 : Auteur(s): Delegation of the United Kingdom
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Stomach contents of the Antarctic toothfish (Dissostichus mawsoni) from the western Ross Sea, Antarctica
bottom longline in the western Ross Sea during the 2003 summer fishing (from Dec 2002 to Jun 2003) season ... were analysed. Fish sampled were caught in 770-1890 m depths and ranged between 72–212 cm in total ... species was Whitson’s grenadier (Macrourus whitsoni), which dominated the overall diet. In continental ... cephalopods predominated in the diet, while on oceanic seamounts M. whitsoni, violet cod (Antimora rostrata ...
Meeting Document : WG-FSA-04/31 : Auteur(s): D.W. Stevens (New Zealand)
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Revision of the fishery–foraging overlap model
on Ecosystem Monitoring and Management and its Subgroup on Statistics in 1997. The review found that ... the index calculated in that model did not directly measure overlap between penguin foraging demands ... and the krill fishery in waters around the South Shetland Islands and Antarctic Peninsula, but rather ... Secretariat was tasked with the revision of the model, including modifications to the model in terms of both ...
Meeting Document : WG-EMM-98/05 : Auteur(s): Secretariat
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Beach debris survey - Main Bay, Bird Island, South Georgia 1994/95
Abstract: The fifth year of survey of beach debris at Main Bay, Bird Island reported a 3-fold ... increase in overall debris levels (725 items reported in 1994/95 compared with 225 items in 1993/94 ... proportion in 1993/94). Of the 67% of debris occurring during the winter, 43 % occurred during July. Nylon ... line, comprising 80% of debris, was mainly identical to material used in the long-line fishery, as ...
Meeting Document : CCAMLR-XV/BG/04 : Auteur(s): Delegation of the United Kingdom
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Management of VMS information by the Secretariat concerning catches of Patagonian toothfish beyond the Convention Area
their markets, that VMS reports by vessels that capture toothfish be transmitted previously and in real ... proposes that when Contracting States voluntarily report the activities performed in waters beyond the ... CCAMLR data bases in a timely manner and made readily available for consultation by those State Parties ... . This is proposed to be carried out through a modification of Conservation Measure 10-04 (2007) in ...
Meeting Document : CCAMLR-XXIX/46 : Auteur(s): Delegation of Chile