Resultados de la búsqueda
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A revised estimate of short-term yield for the mackerel icefish (Champsocephalus gunnari) off Heard Island based on a trawl survey in 1998
population. Unlike the previous 3 years, the Age 2 cohort in 1998 is very weak and is expected to contribute ... in 1999 and 2000. While the abundances of icefish are lower in 1998 than in 1997, the Age 3 and Age 4 ... little to the biomass in subsequent years. If recruitment to Age 2 in 1999 is also weak then the fishery ...
Meeting Document : WG-FSA-98/54 : Autor(es): A. Constable and D. Williams (Australia)
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Precio del Pescado: Análisis del comercio mundial de austromerluza negra (Dissostichus eleginoides) y de austromerluza antártica (Dissostichus mawsoni)
44% from 2007 to 2012 with an overall decrease in traded volume. The USA accounted for 54% of total ... % from 2007 to 2012 with an overall decrease in traded volume. Initial summary analyses reveal a strong ... relationship between supply and demand within international markets, as well as the influence of country ... trade of toothfish over the six-year analysis period. The average price ($/kg) of imports increased by ...
Meeting Document : CCAMLR-XXXIII/BG/14 Rev. 2 : Autor(es): Secretariat
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Population assessment of Patagonian toothfish in the north of Subarea 48.4 – 2010 update
Abstract: The target tagging rate of 5 fish per tonne was exceeded by both vessels, with 232 D ... is consistent with the theory that the bulk of the biomass is dominated by a small number of cohorts ... . CASAL estimates a large recruitment event in early the early 1990s and faster growth rates than those ... 48.4 are very similar to that from the previous season with a B 0 of 1,123 t (compared to 1,127 t in ...
Meeting Document : WG-FSA-10/39 : Autor(es): J. Roberts and D. Agnew (UK)
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Development of environmental indices F1, F3 and F4
), automatic weather stations and satellite imagery is explored with reference to the CEMP sites at Edmonson ... Point (Terra Nova Bay, Ross Sea, Subarea 88.1) and Béchervaise Island (Mawson, Eastern Antarctica ...
Meeting Document : WG-EMM-00/27 : Autor(es): S. Olmastroni and S. Corsolini (Italy), K. Kerry and J. Clarke (Australia) and D. Ramm (CCAMLR Secretariat)
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IDENTIFICATION OF DATA QUALITY METRICS FOR TAGGING DATA SELECTION
to identify those metrics that are most informative with respect to the identification of good ... rates of recapture of tags released by the trip, and above-median tag recapture rates by the trip.A ... bootstrap analysis indicates that the range of data quality metrics associated with known good tagging data ...
Meeting Document : WG-SAM-09/19 : Autor(es): D.A.J. Middleton and A. Dunn (New Zealand)
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2006/07 season
lower recapture rate by non-New Zealand vessels, particularly in the early years. The reason for this is ... data for all vessels in all years were used, then the estimated initial biomass was higher (B0=110 130 ...
Meeting Document : WG-FSA-07/37 : Autor(es): A. Dunn and S.M. Hanchet (New Zealand)
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Population dynamics of wandering albatrosses Diomedea exulans at sub-Antarctic Marion Island: longline fishing and environmental influences
anthropogenic effects. The proportion of first-time breeders in the population was positively correlated with ... with Japanese pelagic longline fishing effort in the Southern Indian Ocean. Adult survival rates were ... significantly correlated with those recorded on neighbouring Possesion Island (Crozet Islands) but differed from ... rate of adult females was lower than that of males. Males who lost partners took 40% longer than ...
Meeting Document : WG-FSA-02/16 : Autor(es): D.C. Nel, P.G. Ryan and J. Cooper (South Africa)
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Progress report on the Korean exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2 in 2014/15
individuals with 131,992 kg. The research fishing using tags were conducted according to the CCAMLR CM, and ... sampling plankton was lost, and CTD equipment was damaged. It is judged to need measures for supplementing ...
Meeting Document : WG-SAM-15/35 : Autor(es): Delegation of the Republic of Korea
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Report of the South Georgia groundfish survey (Subarea 48.3) in January 2006
the FPRV Dorada. Sixty-three random trawls were undertaken, with 12.3 tonnes of mackerel icesfish ... the N and NE of South Georgia. Fish in spawning condition (Stage IV) were found at the eastern end of ... ), with Antarctomysis sp. (A. ohlini and A. maxima) and Themisto gaudichaudii the other main prey species ... made in association with both demersal and pelagic data and will help discriminate icefish from other ...
Meeting Document : WG-FSA-06/51 : Autor(es): M.A. Collins, C. Jones, J. Clark. S. Fielding, J. Slakowski, T. North, W. Reid and J. Watts (United Kingdom)
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Foraging patterns in the Antarctic shag (Phalacrocorax bransfieldensis) at Harmony Point, Antarctica
usually foraged once a day; females early in the morning and males when their partners returned to the ... reduce the extension of the foraging trips which in years of scarce food availability may no result in ...
Meeting Document : WG-EMM-04/22 : Autor(es): R. Casaux and A. Baroni (Argentina)