Résultats de la recherche
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Diet composition of Champsocephalus gunnari in Subarea 48.3, Dr Eduardo Holmberg survey, February/ March 1994
Abstract: The diet composition of the icefish Champsocephalus gunnari caught in the Subarea 48.3 ... in February/March 1994 was analyzed using the frequency of occurrence (%) method. Krill (Euphausia ... Georgia, in parallel with the virtual absence of mysids and Thysanoessa spp.. Krill was available for fish ... particular spatial distribution of krill in the area in the period of study, but no previous data are ...
Meeting Document : WG-FSA-94/27 : Auteur(s): E. Barrera-Oro, R. Casaux and A. Roux (Argentina)
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Population assessment of Patagonian toothfish in Subarea 48.4
Abstract: This paper presents an update of the assessment of toothfish (Dissostichus spp.) in ... from the Petersen biomass estimates of Dissostichus spp. in the southern region and application of the ... development of the assessment of toothfish in Subarea 48.4 are considered. Author(s): R. Scott (United ... Subarea 48.4. The Subarea is divided into two management regions and assessed using a CASAL assessment of ...
Meeting Document : WG-FSA-12/36 : Auteur(s): R. Scott (United Kingdom)
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Changes to seabird avoidance regulations in Alaska demersal longline fisheries based on scientific research on effectiveness of mitigation measures
Washington Sea Grant Program (WSGP) on the effectiveness of seabird avoidance measures in the longline ... existing regulations for seabird avoidance measures required in the groundfish and halibut demersal ... longline fisheries off Alaska. One of the main recommendations is for the required use of paired streamer ... fisheries off Alaska. For complete details of the research, results, and recommendations, see the WSGP final ...
Meeting Document : WG-FSA-02/53 : Auteur(s): K.S. Rivera (USA)
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A review of conversion factors used in CCAMLR toothfish fisheries
reconciliation between the reported catch for a vessel and the weight of product reported in a catch document ... submitted to the CDS should be based on a conversion of the ‘green weight’ for each haul in the C2 data to a ... Abstract: The product to green-weight conversion factors used in the toothfish fishery are ... integral to the reporting of catches and reconciling those catches with data reported via the CDS. This ...
Meeting Document : WG-FSA-15/02 : Auteur(s): CCAMLR Secretariat
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A method to evaluate selection of Antarctic krill in towed fishing gears
the morphology of the species in quest and the shapes of the relevant mesh types, to predict the size ... understanding of the catching process of E. superba and the selective properties in different fishing gear ... Abstract: The pelagic trawlers involved in the fishery for Antarctic krill (Euphausia superba ... ) apply different trawl designs. Very little information exists on the size selectivity of E. superba ...
Meeting Document : WG-EMM-13/34 : Auteur(s): L.A. Krag, B. Herrmann (Denmark), S. Iversen, A. Engås, S. Nordrum and B.A. Krafft (Norway)
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Entanglement of Antarctic fur seals in marine debris at Cape Shirreff and San Telmo Islets, Livingston Island, Antarctica: 1988–1997
results indicate that 45% of the entanglement material found in a total of 20 individuals (nine subadult ... versus total population in the area per season is considered to be low, and never surpass percentages of ... reduce this type of occurrences, we propose: (1) the monitoring of entangled Antarctic fur seals in ... vessels operating in CCAMLR's regulated areas of the Southern Ocean, with further instruction of ...
Meeting Document : SC-CAMLR-XVI/BG/33 : Auteur(s): Delegation of Chile
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Results of E.L. Holmberg 1997 fish survey in Subarea 48.3
position of hauls in the previous cruises. Mean densities were obtained considering the spatial aggregation ... of stations in a nested ANOVA model. No significant changes in the mean densities of several species ... Abstract: The survey comprised 51 bottom trawl hauls taken in subarea 48.3. Of these, one was ... discarded due to net damage. About 80% of the hauls were taken in the shelf of South Georgia Islands (41 ...
Meeting Document : WG-FSA-97/47 : Auteur(s): Prenski, B., Calcagno, J., Marschoff, E.R., Gonzalez, B.
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Metabarcoding analysis of zooplankton collected from Division 58.4.1 in 2014/15 using NGS platform
biodiversity of zooplankton in the Indian Ocean of Antarctica, Division 58.4.1 in 2014/15. Compared with the ... environmental changes in the Antarctic Ocean ecosystem. We here applied the metabarcoding method to analyze the ... previous method, next generation sequencing (NGS) using Miseq platform produces the large amount of ... large-sized (>1 mm) and small-sized (< 1mm) fractions, respectively. Based on the low numbers of ...
Meeting Document : WG-EMM-16/33 : Auteur(s): Delegation of the Republic of Korea
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Detection of anti-brucella antibodies in Weddell seals (Leptonychotes weddellii) from Cape Shirreff, Antarctica
immunoassay: Compelisa®?(Veterinary Laboratories Agency, UK) and c-ELISA (FAO/IAEA, 1994). In five of the ... bacteria of the genus Brucella in L. weddellii and point out the necessity of complementary studies to know ... the etiology and their infection epidemiology in this region of the world. Author(s): O. Blank, P ... Abstract: A serological study was initiated to determine the presence of anti-Brucella antibodies ...
Meeting Document : WG-EMM-01/48 : Auteur(s): O. Blank, P. Retamal, P. Abalos and D. Torres (Chile)
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Preliminary model of krill fishery behaviour in Subarea 48.1
fishery in Subarea 48.1 and estimates the effort applied and the catch of krill in fine-scale squares ... March, compare favourably with the general distribution of catches in Subarea 48.1. A number of ... the management option of closing the zones around Livingston and Elephant Islands in alternate years ... Abstract: A simple deterministic model is described which models the behaviour of the krill ...
Meeting Document : WG-KRILL-93/14 : Auteur(s): D.J. Agnew (Secretariat)