Résultats de la recherche
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Tagging larger toothfish, methods and equipment
underpinned by a tag and recapture programme, based on Antarctic toothfish Dissostichus mawsoni. The tagging ... details a number of methods and presents plans of some equipment used by New Zealand vessels operated by ...
Meeting Document : WG-FSA-07/36 : Auteur(s): J.M. Fenaughty (New Zealand)
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Project of a software catalog of skeletal elements from Antarctic fish species, including some identification facilities
by bioenzyme and compared with the aim to provide a computer supported identification system ... by a simple tool to compare the same skeletal elements of different species. In the database most of ... ) are represented by pictures, otoliths and vertebrae included. Furthermore cooperation with other ...
Meeting Document : WG-FSA-05/35 : Auteur(s): J. von Busekist, M. Vacchi and G. Albertelli (Italy)
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How fast do demersal longlines sink?
and are important in efforts to minimise seabird by-catch in longline fisheries. We measured sink ... rates in still water of longlines made by Fiskevegn, the world’s leading manufacturer of demersal ... 18 cm/second for Silver lines of the same diameter. Samples of lines set by hand in still water sank ...
Meeting Document : WG-FSA-02/25 : Auteur(s): G. Robertson (Australia), E. Moe, R. Haugen (Norway) and B. Wienecke (Australia)
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Longterm monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)
approach introduced by de la Mare (1994a). The high interannual variability of krill recruitment is ... confirmed by the present analysis. Results are compared for one (R1) and two year old (R2) age classes ... . Statistically significant fluctuations in krill density over the period 1977 to 1994 are also confirmed by this ...
Meeting Document : WG-EMM-96/45 : Auteur(s): de la Mare, W., Loeb, V., Siegel, V.
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Projet de mesure de conservation pour une aire marine protégée dans l'Antarctique de l'Est
been under consideration by the Commission since 2012. This paper presents a revised conservation ... measure articulating changes, including feedback provided by members, which continue to improve the ... proposal. The paper provides greater clarity on the proposal by explaining how existing conservation ...
Meeting Document : CCAMLR-XXXVI/17 : Auteur(s): Delegations of Australia, the European Union and its Member States
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CEMP 2018/19 data and updated spatial analysis of Area 48
for the 2018/19 monitoring season detailed by site and species, and includes an update to the Combined ... patterns of inter-annual variability of the response by krill-dependent predators to changes in the ... ecosystem between sites by Subarea, suggesting CEMP data are tracking similar processes. Author(s): CCAMLR ...
Meeting Document : WG-EMM-2019/04 : Auteur(s): CCAMLR Secretariat
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The brief review of the AtlantNIRO’s investigations of living marine resources: whales, krill and fish, in the Atlantic sector of the Antarctic
population dynamics. Using information collected by whalers, the world krill fishery was commenced by the ... studies in the ASA an enormous primary database was collected by AtlantNIRO and VNIRO. Investigations of ... Antarctic fish were started by RV "Academik Knipovitch" in 1967. The main purpose of the ...
Meeting Document : WG-EMM-04/30 : Auteur(s): F. Litvinov, D. Tormosov, Zh. Frolkina (Russia)
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Scientific observations in CCAMLR fisheries – past, present and future
catch and effort data supplied by vessels, the collection of data by scientifically qualified observers ... management purposes. The Scheme of International Scientific Observation, adopted by CCAMLR in 1992, is ... aspects falling covered by the CCAMLR System of Inspection. Under the Scheme observers are deployed under ...
Meeting Document : WG-FSA-04/64 : Auteur(s): Secretariat
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ADDING CATCH AT AGE AND SURVEY DATA TO THE 48.3 TOOTHFISH CASAL ASSESSMENT
suggested by WG-FSA-2007 are implemented. Fits to the survey length frequencies are good for recent surveys ... but in the past some cohorts have been missed by the survey. Fits to the survey CPUE are generally not ... strength are made by the new model, but there is uncertainty about the estimates of recent cohorts made ... using short runs of catch-at-age data and the catchability being estimated by the survey. Estimates of ...
Meeting Document : WG-SAM-09/13 : Auteur(s): D.J. Agnew and M. Belchier (United Kingdom)
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Marine debris collected at Cape Shirreff, Livingston Island, during the Antarctic season 1993/94
prepared by the CCAMLR Secretariat, a survey to develop a complete collection of marine debris and heavy ... suffered by the ship "Capitan Alcazar". Once analyzed the marjne debris we realized that it was ... composed by 1.754 objects collected from 36 beaches, with a total of 284.29 kg. As in previous studies on ... beach litter from the area, it was mainly composed by plastic and synthetic fibres (92%), metal (3.5 ...
Meeting Document : CCAMLR-XIII/BG/17 : Auteur(s): Delegation of Chile