Résultats de la recherche
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Examination of the CCAMLR toothfish GLM
Abstract: Various elements of the Generalized Linear Model (GLM) used to standardise toothfish ... of 1992-1993 prosecuted by Russian vessels and the winter fishery of 1995 onwards prosecuted by other ... nationalities, coupled with the existence of the experimental fishery in 1994, lead us to suggest that future ... being no data for 1993, one of the most successful summer seasons. The relationship between CPUE and ...
Meeting Document : WG-FSA-98/35 : Auteur(s): G.P. Kirkwood and D.J. Agnew (United Kingdom)
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Preliminary assessment of toothfish in Subarea 48.3
Abstract: As with the 2009 assessment of Subarea 48.3, there is still uncertainty as to why there ... were high numbers of the 2001 cohort in commercial catches in 2009 onwards. It is likely that it is ... due to a combination of a strong 2001 cohort and a change in selectivity for the commercial fleet, but ... it has not been possible to determine the relative importance of each explanation. Median log-normal ...
Meeting Document : WG-FSA-11/33 Rev. 1 : Auteur(s): T. Peatman, R.E. Mitchell, G. Parkes and D.J. Agnew (United Kingdom)
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THE DIET OF THE ANTARCTIC TOOTHFISH IN THE ROSS SEA
Abstract: This brief review documents the species composition of prey consumed by the Antarctic ... by both frequency of occurrence and dry weight. P. antarcticum is 71% by occurrence and 89% by weight ... deep oceanic waters (60-70°S) north of the shelf break the diversity of pelagic and epipelagic fishes ... is low. Here the diet of D. mawsoni consists of relatively small squid of at least six different ...
Meeting Document : WG-EMM-09/16 : Auteur(s): J.T. Eastman and A.L. DeVries (USA)
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Effect of missing modes on calibration sphere target strengths (ICES CM 1996/b: 37, Fish Capture Committee)
Abstract: It has been suggested that modes of vibration of solid elastic spheres, such as those ... used in the calibration of echo sounder systems, can be affected by the manner of suspension. This ... hypothesis is investigated in the context of reported experimental calibration trials with the SIMRAD EK500 ... -diameter spheres composed of electrical grade copper and 33.2- and 38.1-mmdiameter spheres composed of ...
Meeting Document : WG-EMM-96/46 : Auteur(s): Foote, K.G.
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Reproduction in the Antarctic icefish Champsocephalus gunnari and its implications for fisheries management in the Atlantic sector of the Southern Ocean
Abstract: Available information on key reproductive parameters of Champsocephalus gunnari has ... been reviewed and discussed in the light of existing conservation measures. Length at first spawning is ... the other South Atlantic fishing grounds. Spawning activities of Champsocephalus gunnari and those of ... other exploited species could be best protected by the establishment of permanent closed fishing season ...
Meeting Document : SC-CAMLR-VIII/BG/16 : Auteur(s): Delegation of Federal Republic of Germany
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Spatial distribution of Champsocephalus gunnari size and age are related with depth
Abstract: The results of four fish surveys (EDUARDO L HOLMBERG 1994 to 1997) are analyzed to ... detect associations between the sizes of Champsocephalus gunnari (also age classes), Gobionotothen ... eleginoides and depth of catch, as well as among C. gunnari age classes. Except D. eleginoides median sizes of ... all species resulted significantly associated with depth, positively in the case of C. gunnari and N ...
Meeting Document : WG-FSA-97/45 : Auteur(s): Marschoff, E.R., Serra, J.A., Gonzalez, B., Calcagno, J.
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The state of exploited fish stocks in the Southern Ocean - a review
until the season 1989/90. About two thirds of the catches have been taken in the Atlantic Ocean sector ... Indian Ocean sector. The fishery is regulated under the auspices of the Convention on the ‘Conservation ... of Antarctic Marine Living Resources’ (CCAMLR) for rile whole Southern Ocean since 1982 and under ... most heavily affected by fishing are those of Notothenia rossii in both sectors, Notothenia squamifrons ...
Meeting Document : SC-CAMLR-X/BG/13 : Auteur(s): Delegation of Germany
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Quantitative assessment of benthic fauna and assemblages in the Heard Island and McDonald Islands region
quantitative insight into the distribution, abundance and species composition of macrobenthic invertebrate ... communities in the region. The areas sampled were selected for the purpose of comparing and reporting regional ... differences in faunal composition and consist of a number of seamounts and submarine plateaus. The ... macrobenthic invertebrate fauna of the region is moderate in diversity and, while many taxa are endemic, is ...
Meeting Document : WG-EMM-10/25 : Auteur(s): T. Hibberd, D.C. Welsford, A.J. Constable, K. Moore and S. Doust (Australia)
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Finfish research proposals for Subarea 48.6 by Koryo Maru 11 for 2012/13 (this is a revision of WG-SAM-12/12)
limited to Statistical Subarea 48.6. Preliminary assessments of Dissostichus spp. stocks in Subarea 48.6 ... north of 60°S (SSRUs 48.6A and 48.6G) and south of 60°S (SSRUs 48.6B, 48.6C, 48.6D and 48.6E) were ... analysis. The preliminary assessment indicates that the historic precautionary maximum catch limit of 200 ... tonnes of Dissostichus spp. for Subarea 48.6 north of 60°S is sustainable and precautionary, and suggests ...
Meeting Document : WG-FSA-12/30 : Auteur(s): C. Heiniken and R. Ball (South Africa)
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A revised assessment of Patagonian toothfish in Subarea 48.4
Abstract: The stocks of toothfish in Subarea 48.4 are currently divided, for assessment purposes ... , into northern and southern components. The northern component is assessed as a single species of D ... . eleginoides whilst the southern component is assessed as a combination of D. eleginoides and D. mawsoni. Both ... , covering the whole of the subarea, would be a more appropriate method for assessing the stocks than the ...
Meeting Document : WG-SAM-13/24 : Auteur(s): R. Scott (United Kingdom)