Résultats de la recherche
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Course of fisheries in the Lena Bank area (Division 58.4.4) in the season of 1990-91
Abstract: In the season of 1990/1991, fishing operations in subarea 58.4.4. (Lena Bank) wer4e ... made 971 t of grey rockcod Notothenia squamifrons and 29 t of Patagonian toothfish Dissostichus ... it is necessary to update the relevant documents. The size-age composition of catches did not suffer ... significant changes. The mean fish age made 7.0 years. Interannual fluctuations in size-age composition of ...
Meeting Document : WG-FSA-94/07 : Auteur(s): A.K. Zaitsev (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
Abstract: Following on from the apparent failure to satisfactorily assess the status of the C ... , dominated in recent years by the 1987 year class (1 year olds in 1988), was quite robust, despite the use of ... various combinations of survey and cpue indices for tuning. According to the VPA the population in 1991/92 ... was composed of a large proportion of 5 year olds, which was not observed during the survey on ...
Meeting Document : WG-FSA-92/27 : Auteur(s): G. Parkes (United Kingdom)
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Assessment of the Dissostichus eleginoides stock in Subarea 48.3 for the 1990/91 season and calculation of TAC for the 1991/92 season
Abstract: Shnyute’s generalised cohort analysis of size composition in catches was used to ... estimate the Dissostichus eleginoides stock in Area 48.3. This made it possible to ignore the hypothesis of ... equilibrium in the stock and to examine the dynamics of its abundance and biomass. At the start of the 1990/91 ... optimal results, fishing operations should be conducted at a level of F0.1. In accordance with such a ...
Meeting Document : WG-FSA-91/24 : Auteur(s): P.S. Gasiukov, R.S. Dorovskikh and K.V. Shust (USSR)
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Brief report on results of experimental harvest regime for the exploratory fishery for crab in the area of the South Orkney Islands (CCAMLR Subarea 48.2) during the 2009/10 season
Abstract: From March, 23 till April, 1, 2010 during the cruise of the Russian crabber vessel ... " Tamango " in CCAMLR zone, the searching operations were carried out in the area of the ... statistical subarea 48.2. Judging by insignificant catch crabs, state of benthic fauna and very small fish by ... -catch in traps, one can assume that highly expressed seasonality is present in vital activity of benthos ...
Meeting Document : WG-FSA-10/44 : Auteur(s): Yu.V. Korzun and S.E. Anosov (Ukraine)
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Proposal to continue the time series of research surveys to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea in 2013
Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... endorsed a proposal to carry out this work once the fishery had closed at the end of the 2011/12 season ... meeting of WG-SAM (Hanchet al. 2012). In this paper we provide a proposal to continue this time series ... . The objectives of this second survey of the time series are as follows: (i) To carry out the second of ...
Meeting Document : WG-SAM-12/28 : Auteur(s): S.M. Hanchet, S. Mormede, S.J. Parker and A. Dunn (New Zealand)
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The demersal fish communities of the shelf and slope of South Georgia and Shag Rocks (CCAMLR Subarea 48.3)
Abstract: Analysis of catch data from a deepwater trawl survey conducted at South Georgia and ... . The demersal fish assemblage found on the shelf to depths of around 400m is dominated by notothenids ... and is comprised largely of species endemic to the Southern Ocean and Scotia Sea. At increasing depths ... (400-600m) diversity increases with the presence of many benthopelagic species including Stomiiformes ...
Meeting Document : WG-FSA-14/26 : Auteur(s): S. Gregory, M.A. Collins and M. Belchier (United Kingdom)
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Some aspects of spatial–temporal variability of hydrodynamic water circulation and krill distribution in the Scotia Sea
Abstract: The authors considered the inter-annual variability of krill transport factors in the ... Scotia Sea analysing data from available meso-scale surveys covered the Scotia Sea. The subject of ... of water masses (kg / m 3) and krill biomass (g / m3) transporting across the survey area. Obtained ... estimates were compared with those from CCAMLR 2000 Survey. It was shown that the presence or absence of ...
Meeting Document : WG-EMM-16/39 : Auteur(s): S.M. Kasatkina and V.N. Shnar
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The effect of abiotic factors on the reproduction of seabirds on the Argentine Islands
the Ukrainian Antarctic station "Academik Vernadsky". The most numerous breeding colony of ... among the newborn penguins on the Galindez Is caused by starvation. The number of residential nests ... decreased almost three times. Underwater surveys conducted by us in this period in the area of Galindez Is ... witness about the presence of large amount of krill, which wasn’t available for all the species of sea ...
Meeting Document : WG-EMM-16/59 : Auteur(s): І.V. Dykyy
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ANALYSIS OF VARIABILITY OF KRILL SIZE AND FISH BY-CATCH IN JAPANESE KRILL FISHERY BASED ON SCIENTIFIC OBSERVER DATA
Abstract: To investigate spatio-temporal variability of krill body length and number of bycatch ... hierarchical Bayesian model. The model was composed of multistage cluster units (i.e., years, subarea, vessels ... variability of krill population structure and a difficulty in predicting krill population dynamics. Variances ... of krill length and bycatch fish number by sampling stages were calculated by the multistage sampling ...
Meeting Document : WG-EMM-11/39 : Auteur(s): T. Okuda and M. Kiyota (Japan)
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Summary and update of tagging of Patagonian toothfish at Heard and Macquarie Islands
Macquarie Islands are presented, along with a summary of results since the beginning of the programme ... . Results from the programme of archival tagging of toothfish are also presented. Author(s): Delegation of ... Australia Title: Summary and update of tagging of Patagonian toothfish at Heard and Macquarie Islands ...
Meeting Document : WG-FSA-03/70 : Auteur(s): Delegation of Australia