Résultats de la recherche
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Relationship between Antarctic krill (Euphausia superba) variability and westerly fluctuations and ozone depletion in the Antarctic Peninsula area
; = 0.57) and 2-year-old krill (r = 0.69) with a level of significance of 5%. In addition, the strength of ... summer season resulted in high krill recruitment in 1987/1988, 1990/1991, and 1994/1995, while the years ... Abstract: An assessment of the environmental processes influencing variability in the recruitment ... and density of Antarctic krill (Euphausia superba) is important, as variability in krill stocks ...
Meeting Document : WG-EMM-99/52 : Auteur(s): M. Naganobu, K. Kutsuwada, Y. Sasai and T. Taguchi (Japan) and V. Siegel (Germany)
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Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in the lower South Shetland Islands derived from a long-term monitoring program (1983–2006) at Potter Cover
twenty four years, and at Harmony Cove, Nelson Island, in the austral summers from 2001 to 2003. The ... abundance of N. rossii showed an increase in years 2002-2003, whereas G. gibberifrons was absent in the ... decline in trammel net catches of fjord fishes of the species Notothenia rossii and Gobionotothen ... gibberifrons in relation to the non commercially fished Notothenia coriiceps, which was previously reported for ...
Meeting Document : WG-FSA-06/25 : Auteur(s): E.R. Barrera-Oro and E.R. Marschoff (Argentina)
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Revision of biological and population parameters for Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a comprehensive survey of fishing grounds and recruitment areas in the region
the identification of Ground B as the most important area for 7 to 8 year old fish in the Heard Island ... originally estimated and that, in recent years, there has been an influx of a large number of young fish ... Abstract: Based on a survey of Dissostichus eleginoides in the Heard Island region in April 1999 ... and information from an observer program on the commercial fishery begun in 1997, this paper aims (i ...
Meeting Document : WG-FSA-99/68 : Auteur(s): A.J. Constable, R. Williams, T. Lamb and E. van Wijk (Australia)
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Decadal trends in the South Georgia demersal fish assemblage
research hauls conducted in depths < 350m during 19 research random stratified trawl surveys carried out ... appeared to be linked to habitat type. Low diversity in species was seen consistently over the Shag Rocks ... shelf. There was no detectable change in species composition across the region over three decades. Eight ... species from two families, the Notoheniidae and the Channichthyidae dominated the survey biomass in all ...
Meeting Document : WG-FSA-13/26 : Auteur(s): M. Belchier (United Kingdom)
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Some data pertaining to the distribution of Antarctic toothfish juveniles (Dissostichus mawsoni) in the Indian sector of the Antarctic
Abstract: Available in YugNIRO data concerning distribution of Antarctic toothfish juveniles in ... the Indian Sector of the Antarctic are used in the paper. In the summer period of the southern ... hemisphere (January–March) juveniles of D. mawsoni with size from 4–9 to 30–75 cm were regularly registered ... in catches of bottom and pelagic midwater trawls in all the studied continental seas from 12 to 144°E ...
Meeting Document : WG-FSA-97/19 : Auteur(s): Roshchin, E.A.
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2005/06
nine years in Subarea 88.1 and for five years in Subarea 88.2 with a large amount of data collected on ... toothfish and the associated bycatch. All SSRUs in the two subareas except for 881D and 882C have now been ... combined catch limit of 3451 t. The subarea catch limit was almost reached in both Subarea 88.1 and 88.2 ... -year experiment (SC-CAMLR-XXIV). One of the aims of the experiment was to simplify the administration ...
Meeting Document : WG-FSA-06/29 : Auteur(s): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)
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Report on assessment and avoidance of incidental mortality in the Convention Area 1998/99
and related activities undertaken by Australia in the Convention Area during the year to 30 June 1999 ... . Author(s): Delegation of Australia Title: Report on assessment and avoidance of incidental mortality in ...
Meeting Document : CCAMLR-XVIII/BG/31 : Auteur(s): Delegation of Australia
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Report on the assessment and avoidance of incidental mortality in the Convention Area 1997/98
related activities undertaken by Australia in the Convention Area during the year to 30 June 1998. Author ... in the Convention Area 1997/98 Approval: Approved ...
Meeting Document : CCAMLR-XVII/BG/11 : Auteur(s): Delegation of Australia
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The state of exploited fish stocks in the Atlantic sector of the Southern Ocean
first peak years 1969-71 which yielded about 500,000 tonnes in 2 seasons around South Georgia. Since ... Abstract: Finfish have been harvested in the Atlantic sector of the Southern Ocean since the end ... of the 1960s mainly by the Soviet Union. Notothenia rossii marmorata,vas the target species in the ... tonnes in 1976/77-1977/78, 1982/83-1983/84 and 1986/87-1987/88. N. rossii marmorata is the species most ...
Meeting Document : SC-CAMLR-VIII/BG/18 : Auteur(s): Delegation of Federal Republic of Germany
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ANALYSIS OF VARIABILITY OF KRILL SIZE AND FISH BY-CATCH IN JAPANESE KRILL FISHERY BASED ON SCIENTIFIC OBSERVER DATA
, and haul) based on a state-space model, which can separate biological process error in the population ... dynamics from observation error caused by the fishery activity and individual observation. In both krill ... , subareas, and vessels. The potent interaction effect between year and subarea suggests large spatiotemporal ... variability of krill population structure and a difficulty in predicting krill population dynamics. Variances ...
Meeting Document : WG-EMM-11/39 : Auteur(s): T. Okuda and M. Kiyota (Japan)