Search results
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Assessment of the status of the Champsocephalus gunnari stock in the South Georgia area for the 1990/91 season and TAC calculations for the 1991/92 season
. Values of catch/effort by age group and by year of fishing were used in conjunction with abundance ... indices from trawl surveys in tuning the VPA. The C. gunnari stock at the start of the 1990/91 season is ... estimated at 184 thousand tonnes. Calculation of TAC was carded out keeping in mind the change to the ... fishing regime brought about by a change in mesh size (90 mm). A TAC of 59.4 thousand tonnes for C ...
Meeting Document : WG-FSA-91/27 : Author(s): P.S. Gasiukov (USSR)
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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 : Author(s): A.K. Zaitsev (Ukraine)
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Establishing an Intersessional Correspondence Group (ICG) to consider approaches for appropriately integrating climate change into the work of the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR)
of the greatest challenges facing the Southern Ocean, the Commission has yet to consider the issue of ... way. Australia proposes the establishment of an Intersessional Correspondence Group to initiate and ... sustain a process for appropriately integrating climate change into the work of the Commission. Australia ... also proposes that the Commission adopt Terms of Reference for the Intersessional Correspondence Group ...
Meeting Document : CCAMLR-XXXIV/31 : Author(s): Delegations of Australia and Norway
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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 : Author(s): І.V. Dykyy
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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 : Author(s): P.S. Gasiukov, R.S. Dorovskikh and K.V. Shust (USSR)
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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 : Author(s): S.M. Kasatkina and V.N. Shnar
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Using tag-recapture data to estimate catchability of a series of random stratified trawl surveys
Abstract: For the 2014 assessment of Patagonian toothfish (Dissostichus eleginoides) around the ... Heard Island and McDonald Islands (HIMI) in Division 58.5.2, a prior for catchability q of the random ... stratified trawl survey (RSTS) was estimated by comparing abundance estimates of the survey with abundance ... address potential bias in the estimation of q and conclude that the potential bias that may arise from ...
Meeting Document : WG-SAM-15/34 : Author(s): W. de la Mare, P. Ziegler and D. Welsford (Australia)
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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 : Author(s): G. Parkes (United Kingdom)
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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 : Author(s): Yu.V. Korzun and S.E. Anosov (Ukraine)
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Progress report on the scientific data compilation and analyses in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica)
Abstract: At the CCAMLR meeting in 2012, the Commission welcomed the offer of Germany to take the ... Ministry of Food, Agriculture and Consumer Protection tasked the Alfred Wegener Institute, Helmholtz Centre ... . Germany intends to update the Scientific Committee on the actual state of our project, particularly on the ... main proceeds of a national data workshop held in Bremerhaven early September 2013. The main objectives ...
Meeting Document : SC-CAMLR-XXXII/BG/07 : Author(s): Delegation of Germany