Resultados de la búsqueda
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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 ... biomass were seen across survey years. Species counts were highly variable across the shelf region and ... 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 ...
Meeting Document : WG-FSA-13/26 : Autor(es): 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 : Autor(es): 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 ... catch limit being slightly exceeded in the 2006 season. Concentration of effort within a smaller spatial ...
Meeting Document : WG-FSA-06/29 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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
hierarchical Bayesian model. The model was composed of multistage cluster units (i.e., years, subarea, vessels ... , 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 ... length and bycatch fish number, the parameters estimated by MCMC showed the variation among years ...
Meeting Document : WG-EMM-11/39 : Autor(es): T. Okuda and M. Kiyota (Japan)
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Relationships of Antarctic krill (Euphausia superba Dana) variability with westerlies fluctuations and ozone depletion in the Antarctic Peninsula area
long-term relationship between Antarctic krill recruitment in the Antarctic Peninsula area and sea ... -level pressure gradients across Drake Passage during 1982-1993. The years with high pressure gradients ... meaning strong westerly winds coincided with good levels of krill recruitment in 1981182 (austral summer ... season), 1987/88 and 1990/91, while the years of extremely low values meaning weak westerly winds ...
Meeting Document : WS-AREA 48-98/5 : Autor(es): M. Naganobu, K. Kutsuwada, Y. Sasai and S. Taguchi (Japan)
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Research plan to assess the stock status of Dissostichus spp. in Subarea 48.2
limited to 80 tonnes of Dissostichus spp. in 2013/14. The notification was submitted on 30 April 2013 and ... the stock status of Dissostichus spp. in Subarea 48.2, starting in 2013/14. Research fishing will be ... in accordance with Conservation Measure 24-01 (paragraph 3). Author(s): Submitted by the Secretariat ... on behalf of Ukraine Title: Research plan to assess the stock status of Dissostichus spp. in Subarea ...
Meeting Document : WG-SAM-13/15 : Autor(es): Submitted by the Secretariat on behalf of Ukraine
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Report on assessment and avoidance of incidental mortality in the Convention Area 1995/96
during the year to 30 June 1996 related to the assessment and avoidance of incidental mortality due to ... Abstract: This paper summarises the activities undertaken by Australia in the Convention Area ... incidental mortality in the Convention Area 1995/96 Approval: Approved ...
Meeting Document : CCAMLR-XV/BG/28 : Autor(es): Australia