Resultados de la búsqueda
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Analysis of changes in biomass of fish stocks in the South Georgia Area in 1976/77 – 1986/87
Abstract: The swept area method was used to estimate biomass density changes in the stocks of ... , Notothenia gibberifrons, and Notothenia rossii marmorata in the South Georgia area in the seasons of 1916/77 ... -1986/87. In most of the seasons analysed, the estimates covered a near-bottom layer in about 1/6 of the ... area of the island shelf. Assessment results point to considerable variations in fish biomass density ...
Meeting Document : WG-FSA-87/10 : Autor(es): M. Mucha and W. Ślósarczyk (Poland)
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Analysis of changes in biomass of fish stocks in the south Georgia Area in 1976/77 – 1986/87
Abstract: The swept area method was used to estimate biomass density changes in the stocks of ... , Notothenia gibberifrons, and Notothenia rossii marmorata in the South Georgia area in the seasons of 1976/77 ... -1986/87. In most of the seasons analysed, the estimates covered a near-bottom layer in about 1/6 of the ... area of the island shelf. Assessment results point to considerable variations in fish biomass density ...
Meeting Document : SC-CAMLR-VI/BG/40 : Autor(es): M. Mucha and W. Ślósarczyk (Poland)
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Diurnal changes of some biological characteristics of Euphausia superba Dana in swarms (westward of the South Orkney Islands, 24 March to 18 June 1990 - based on data reported by biologist-observer)
out during the working period of commercial trawler ‘Grigory Kovtun’ in the fishing area near the ... station consisted of series of catches by mean the usual commercial trawl (9-12 tows per every station ... of swarms. When diurnal migration are absent (particularly at most later season) the diurnal changes ... . superba from end March to June was observed in operation region. As may suppose, these changes are related ...
Meeting Document : WG-KRILL-92/09 : Autor(es): A.V. Vagin, R.R. Makarov and L.L. Menshenina (Russia)
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Learning about Antarctic krill from the fishery
understanding their biology to be able to make reliable predictions about the reaction of their populations to ... biology. The krill fishery is the largest fishery in the Southern Ocean, continuously operating since ... discussions to understand krill biology. In this paper, after a brief overview of krill fishery operation and ... krill biology, we examine how current data collection through the fishery operation could contribute to ...
Meeting Document : WG-EMM-07/P5 : Autor(es): S. Kawaguchi and S. Nicol (Australia)
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Learning about Antarctic krill from the fishery
understanding their biology to be able to make reliable predictions about the reaction of their populations to ... biology. The krill fishery is the largest fishery in the Southern Ocean, continuously operating since ... discussions to understand krill biology. In this paper, after a brief overview of krill fishery operation and ... krill biology, we examine how current data collection through the fishery operation could contribute to ...
Meeting Document : WG-EMM-06/24 : Autor(es): S. Kawaguchi and S. Nicol (Australia)
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Comparison of census methods for black-browed albatrosses breeding at the Ildefonso Archipelago, Chile
pairs of black-browed albatrosses bred at the Ildefonso archipelago. After the Falkland Islands/Malvinas ... the Ildefonso Archipelago, Chile, for > 90 years the population has never been censused using ... scientifically defendable methods. To estimate population size, and examine the accuracy and practicality of ... various census methods, the population was censused in the 2002/03 breeding season using a) ground-truthed ...
Meeting Document : WG-FSA-06/12 : Autor(es): G. Robertson, K. Lawton (Australia), C.A. Moreno (Chile), R. Kirkwood (Australia) and J. Valencia (Chile)
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ASOC evaluation of the CDS
Abstract: The trade in IUU toothfish continues two years after the adoption by CCAMLR of a Catch ... Documentation Scheme (CDS) for toothfish. Accurate and verifiable data is necessary for the CDS to successfully ... track the trade in toothfish, gather scientific data on the fishery, and close ports to IUU fish. ASOC ... is concerned that the CDS lacks a verification procedure, explicit actions to be taken upon discovery ...
Meeting Document : CCAMLR-XX/BG/20 : Autor(es): Submitted by ASOC
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ANTARCTIC PENINSULA DECADAL WINTER TEMPERATURE ANOMALIES AND ANTARCTIC KRILL VARIABILITY IN THE SOUTH ATLANTIC REGION: PRELIMINARY RESULTS
significantly to 0.4 when applying 1-year data shift (krill density after anomalies occurrence). The 3-8 year ... Abstract: The influence of the climate change on krill based Southern Ocean ecosystem is studied ... intensively last decade. To study the possible connections between Antarctic Peninsula regional climate ... warming and ecosystem changes the data of Antarctic krill density (KRILLBASE data) and of surface air ...
Meeting Document : WG-EMM-11/41 : Autor(es): G.P. Milinevsky, A.V. Grytsai and L.K. Pshenichnov (Ukraine)
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Preliminary assessment of Champsocephalus gunnari on the Heard Island Plateau (Division 58.5.2) based on a survey in May 2002
potentially enter the fishery towards the end of the season. Author(s): A.J. Constable, R. Williams and T ... 58.5.2 in the vicinity of Heard Island in May 2002 to provide the information for an assessment of yield ... in the 2002/2003 CCAMLR season. This paper provides a preliminary assessment of yield using the ... assessment methods of CCAMLR and discusses the implications of these results in relation to previous CCAMLR ...
Meeting Document : WG-FSA-02/47 : Autor(es): A.J. Constable, R. Williams and T. Lamb (Australia)
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Report of the UK Groundfish Survey at South Georgia (CCAMLR Subarea 48.3) in January/February 2019
of the two northern strata and at the western end of Shag Rocks, with one high catch recorded in the ... Abstract: The UK undertook a bottom trawl survey of CCAMLR sub-Area 48.3 on the FV Sil between ... the 27thth January and 5th February 2019. A total of 73 random and representative hauls were completed ... in 2017, but is comparable with the long term average. The highest catches were on the moraine banks ...
Meeting Document : WG-FSA-2019/20 : Autor(es): S. Gregory, P. Hollyman, T. Earl, A. Clement, J. Visagie, L. Featherstone and M. Belchier