Resultados de la búsqueda
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Preliminary assessment of mackerel icefish, Champsocephalus gunnari, in the vicinity of Heard Island and McDonald Islands (Division 58.5.2), based on a survey in May–June 2006 using the Generalised Yield Model
Abstract: A survey of mackerel icefish, Champsocephalus gunnari, was undertaken in Division ... 58.5.2 in the vicinity of Heard Island in May-June 2006 to provide the information for an assessment of ... short-term annual yield in the 2006/2007 CCAMLR season. This paper provides a preliminary assessment of ... yield for the area of Division 58.5.2 to the west of 79°20’ E using standard CCAMLR methods. A lack of ...
Meeting Document : WG-FSA-06/43 Rev. 1 : Autor(es): D.C. Welsford (Australia)
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The applicability of international conservation instruments to the establishment of marine protected areas in Antarctica
, and thus include Antarctica within the scope of a worldwide system of marine protected areas. However ... or even impossible because of the area’s unique political situation and existing regimes. It is ... concluded that although direct application of other international conservation agreements is in most cases ... principles and requirements agreed under instruments with global purview. These include the formulation of ...
Meeting Document : WG-EMM-04/32 : Autor(es): S. Grant (United Kingdom)
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Review of biological characteristics of the Antarctic toothfish (Dissostichus mawsoni) and its distribution in Antarctic waters
Abstract: Results of published studies on the biology, biomass and distribution of the Antarctic ... toothfish (Dissostichus mawsoni) were reviewed. The review focused on those aspect of the species which are ... of importance for the assessment of its biomass and identification of its stocks. The trophodynamics ... of D. mawsoni are mentioned only in brief. Most published materials refer to studies conducted in the ...
Meeting Document : WG-FSA-98/37 : Autor(es): Secretariat
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THE ANALYSIS OF FEEDING ACTIVITY AND DIET COMPOSITION OF ANTARCTIC TOOTHFISH D. MAWSONI IN THE ROSS AND AMUNDSEN SEAS IN THE FISHING SEASON, 2006-2007
Abstract: The results of analysis of stomachs of Antarctic toothfish D. mawsoni caught by the ... December, 2006 to 3 March, 2007 are presented. The comparative analysis of diet composition of Antarctic ... toothfish in different small-scale research units (SSRU) of subareas 88.1 and 88.2 is given. The graphs of ... size composition of food objects of Antarctic toothfish and the same by-caught objects are shown ...
Meeting Document : WG-FSA-08/41 : Autor(es): N.V. Kokorin (Russia)
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Method for rapidly assessing spatial scale of interactions of fishing gear with habitats and Antarctic marine living resources
requested working groups consider how to report on these issues, which also form part of the review ... consideration. Here, we present (i) a method for automating these requirements irrespective of the data layers ... being used, and (ii) examples on how to report rapid assessments of interactions with ecological ... overall process for reporting on interactions of fishing with ecological features, (ii) an automated ...
Meeting Document : WG-FSA-15/62 Rev. 1 : Autor(es): A. Constable, M. Sumner, J. Melbourne-Thomas and D. Welsford (Australia)
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Preliminary standardised CPUE analysis of the New Zealand part of the toothfish fishery in CCAMLR Subarea 88.1, from 1988/89 to 2002/03
to 2003, in Subareas 88.1 and 88.2 in the region of the Ross Sea. A preliminary standardised analysis ... of toothfish CPUE (catch (kg) per baited hook per set) carried out last year compared three ... alternative toothfish CPUE analyses for the 1998 to 2002 seasons. The analysis of a data subset including only ... relatively poor fit to the data. The variables depth, soaktime, length of line, area, and season, entered the ...
Meeting Document : WG-FSA-03/43 : Autor(es): R.G. Blackwell and S.M. Hanchet (New Zealand)
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Subdivision of large CCAMLR Statistical Areas for the management of the krill fishery
Abstract: In this paper the boundaries of the CCAMLR statistical areas are examined for their ... relevance to the management of the krill fishery. A rationale for developing some new areas is developed ... based on data on krill distributions. The overall aim of the exercise was to reduce the large size of ... many of the existing statistical areas to the point where all areas where krill occur could be surveyed ...
Meeting Document : SC-CAMLR-XX/BG/24 : Autor(es): Delegation of Australia
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Distribution of krill as a fraction of Antarctic zooplankton within the South Sandwich Islands area in summer 2000
Abstract: The paper covers the-results of an acoustic estimation of distribution for krill and ... non-krill zooplankton within the area of South Sandwich Islands that has been obtained with multy ... . Distribution of acoustic characteristics for krill and non-krill fractions of antarctic zooplankton has been ... compared. It has been showed that within the field locations occupied by waters of the Weddell Sea and ...
Meeting Document : WG-EMM-00/50 : Autor(es): S.M. Kasatkina and A.P. Malyshko (Russia)
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Calculation of indices of sea-ice concentration using digital images from the National Snow and Ice Data Centre
Abstract: A method is described for calculating indices of sea ice distribution from digital data ... distributed by the National Snow and Ice Data Centre, Colorado, USA. Data consist of an image of the Antarctic ... , made up of 312x332 pixels, each having a dimension of 25x25km, for every day in the year. Primary data ... of the distance of sea ice from CEMP sites, the northerly position of the sea ice edge, and the ...
Meeting Document : WG-EMM-95/11 : Autor(es): Agnew, D.J.
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Natural mortality rates of the Antarctic krill Euphausia superba Dana in the Indian sector of the Southern Ocean
Abstract: Data on the size and age composition of Euphausia superba were collected in the ... Cooperation and Cosmonaut Seas from 1985 to 1990. The coefficients of instantaneous natural mortality of ... E.superba in the Indian sector of the Southern Ocean were calculated according to Alverson-Carney’s (1975 ... 0.59 and from 0.94 to 2.30, respectively. The estimation of the annual extinction rate of E. superba ...
Meeting Document : WG-KRILL-93/44 : Autor(es): E.A. Pakhomov (Ukraine)