Resultados de la búsqueda
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Age-length key for Champsocephalus gunnari from Subarea 48.3, Dr Eduardo Holmberg survey, February/March 1994
Rocks, a large concentration of fish belonging to age groups 2 (90%) and 3 (10%) was found. The length ... and, the mean lengths of age groups 1-2. Such correspondence was also obtained for age group 3 when ...
Meeting Document : WG-FSA-94/11 : Autor(es): E. Barrera-Oro, E. Marschoff and R. Casaux (Argentina)
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A RE-ANALYSIS AND UPDATE OF THE ANTARCTIC KRILL BIOMASS IN THE SOUTH SHETLAND ISLANDS, THROUGH 2011
based data show that 2011 was a year of good recruitment, following two years of low recruitment. Krill ... -based estimates of krill density and recruitment are recalculated for the years 1996 through 2011 ...
Meeting Document : WG-EMM-11/26 : Autor(es): A. Cossio, C. Reiss and R. Driscoll (USA)
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Antarctic krill, Euphausia superba Dana, demography studies in the seas of Sodruzhestvo and Cosmonauts (Indian Ocean sector of Antarctica)
, duration of E.superba life cycle somewhat exceeds 5 years in the Sea of Cosmonauts and 6 years in the Sea ... of Sodruzhestvo. E.superba growth rate ranges from 0.126- 0.133 mm per day in the first year 0f life ... to 0.028-0.041 mm per day in the fifth year under condition that E.superba grows 180 days per year ...
Meeting Document : WG-KRILL-93/45 : Autor(es): E.A. Pakhomov (Ukraine)
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Notes on the use of virtual population analysis for stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1990/91 and 1991/92 seasons
, dominated in recent years by the 1987 year class (1 year olds in 1988), was quite robust, despite the use of ... Falklands Protector in January 1992. Breakdown in the credibility of the VPA results in most recent years is ... was composed of a large proportion of 5 year olds, which was not observed during the survey on ...
Meeting Document : WG-FSA-92/27 : Autor(es): G. Parkes (United Kingdom)
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Progress report for the third year of the research fishery for Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan and South Africa: 2013–2015.
first 2.5 years is reported. Between December 2012 and April 2015 a total of 291 Dissostichus ... previous seasons. To date for the first three years of the research project biological data have been ... Abstract: A multi-year research plan as outlined in CM 41-04 (2012, 2013 & 2014) was ... : Progress report for the third year of the research fishery for Dissostichus spp. in Subarea 48.6 being ...
Meeting Document : WG-SAM-15/50 : Autor(es): R.W. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa)
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Domain 1 MPA designation process: data sharing and future enhanced work
Abstract: During the last years, a large amount of information was gathered and shared in one ... for other countries to develop their own analyses. During these years a solid foundation of ...
Meeting Document : WG-EMM-16/73 : Autor(es): M. Santos, A. Capurro and C.A. Cárdenas
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Modifications to the Generalised Yield Model in 2004, version GYM501E.EXE
error does not affect the assessments undertaken in recent years. This paper presents the nature of the ... recruitment age and greater. This calculation needed to be made general to allow for many years younger than ... fish at the nominated ‘recruitment age’ (age 4 for toothfish) in each year. The first year in the time ... . This was coded specifically for the case of surveys observing fish of ages one year younger than the ...
Meeting Document : WG-FSA-04/91 : Autor(es): A.J. Constable (Australia)
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Interannual variability of polynya extent in the Antarctic Ocean
are trending like a pulse wave. In the whole Antarctic Ocean, peak years of polynyas extent are in the ... 1981/82 (from July 1981 to June 1982), 1991/92 and 1995/96. In the Antarctic Peninsula area, peak years ...
Meeting Document : WG-EMM-01/34 : Autor(es): M. Naganobu and K. Segawa (Japan)
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Analysis of the diet of Champsocephalus gunnari in Subarea 48.3, Dr E. Holmberg survey, February 1995
empty stomachs (also at Shag Rocks), close to the values reported for years of krill scarcity. While no ... somewhat below the historical years of high abundance, but above than in 1994. Author(s): Marschoff, E ...
Meeting Document : WG-FSA-95/36 : Autor(es): Marschoff, E., Barrera-Oro, E., Casaux, R.
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Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and South Orkneys
December to March was taken within 40 km of the coast, and 90% within 80 km in all years 1988-1990. In 1987 ... the literature are used to show that for some years, at distances of between 20 and 60 km from ...
Meeting Document : WG-KRILL-92/19 : Autor(es): D.J. Agnew (Secretariat)