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Комиссия по сохранению морских живых ресурсов Антарктики

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Результаты поиска

  1. Variations in food composition and feeding intensity of mackerel icefish (Champsocephalus gunnari) at South Georgia

    Abstract:  The diet composition and feeding intensity of mackerel icefish (Champsocephalus gunnari ... ) around Shag Rocks and the mainland of South Georgia was investigated in January/February 1985, January ... of krill and Themisto in the diet items varied considerably between the three seasons, whereas the ... proportion of mysids in the diet remained fairly constant. krill is obviously the prefered diet. In years of ...

    Meeting Document : WG-FSA-92/26 : Автор(ы): K.-H. Kock (Germany), I. Everson (United Kingdom), S. Wilhelms (Germany), S. Campbell (United Kingdom), J. Szlakowski (Poland), G. Parkes (United Kingdom), Z. Cielniaszek (Poland) and C. Goss (United Kingdom)

  2. Can we use discriminant function analysis to sex penguins prior to calculating an index of a morphometric parameter?

    sex of individuals, it is only able to correctly sex a certain proportion of birds. Two overlapping ... functions are able to correctly determine the sex of birds with greater than 80% success the difference ... . Combining all data for both sexes is considered as a procedure for avoiding the necessity of sex ... determination, but uncertainty in sex ratios can lead to considerable Type I and Type II errors. Lack of ...

    Meeting Document : WG-CEMP-92/11 : Автор(ы): D.J. Agnew (Secretariat)

  3. Some comments on the procedure for testing estimators of krill abundance which utilise survey data

    Abstract:  Since krill distributional data do show evidence of spatial correlation, estimators of ... performance in practice. Such studies require a simple method for computer generation of krill distribution ... " models of krill distribution are considered. These achieve overall spatial correlation by placing ... encouraging improvement in fits to the distribution of inter-swarm distances observed on the 1981FIBEX survey ...

    Meeting Document : WG-KRILL-91/21 : Автор(ы): D.S. Butterworth, D.L. Borchers and D.G.M. Miller (South Africa)

  4. Further development of the fishery plans

    /6). Each Fishery Plan draws together the history of management measures and fishery requirements ... Secretariat undertook a major re-organisation and re-construction of the database which holds the time series ... of information used in the Fishery Plans. This information includes: • management measures and ... fishery requirements reported in the ‘Schedule of Conservation Measures in Force’; • other management ...

    Meeting Document : WG-FSA-SAM-04/04 : Автор(ы): Secretariat

  5. Antarctic krill populations in the outflow region of the north-western Weddell Sea

    March 2013. The aim of the survey was to study the zooplankton composition and krill abundance and ... distribution in the outflow region of the Weddell Sea. Due to severe pack-ice conditions, more than half of the ... was below the longterm average of the area. New one-year-old recruits were scarce, the stock was ... dominated by two and three year old krill. Spawning occurred late and numbers of gravid females and larvae ...

    Meeting Document : WG-EMM-13/24 : Автор(ы): V. Siegel (European Union)

  6. Observations of penguins in the waters off South Orkney Islands, 2011–2013

    Abstract:  In this study, we introduce the initial results from three seasons (2011-2013) of ... transect lines during five consecutive days within late January and early February. Three species of ... average number of penguins observed per hour increased from year to year, with 7.8 ind/hour in 2011, 32.8 ... the differences in study design, density of prey resources and relevant physical factors. This study ...

    Meeting Document : WG-EMM-13/35 : Автор(ы): B.A. Krafft, G. Skaret (Norway) and P. Trathan (United Kingdom)

  7. Progress report for the third year of the research fishery for Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan and South Africa: 2013–2015.

    participated in the research project in each of the three fishing seasons and the progress achieved during the ... first 2.5 years is reported. Between December 2012 and April 2015 a total of 291 Dissostichus ... eleganoides and 3273 D. mawsoni were tagged and released, and a total of 10 and 49 tagged D. eleganoides and D ... the southern half of Subarea 48.6 already in the current season, more than total number for all ...

    Meeting Document : WG-SAM-15/50 : Автор(ы): R.W. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa)

  8. Hydrological conditions and characteristics of icefish (Channichthyidae) distribution on the South Georgia shelf in 1986/87

    Paper Title:  Hydrological conditions and characteristics of icefish (Channichthyidae ... ) distribution on the South Georgia shelf in 1986/87 Abstract / Description:  Some characteristics of spatial and ... temporal variability of the distribution of icefish (Channichthyidae) on the South Georgia shelf in ... relation to environmental conditions have been revealed from summaries and analyses of hydrographic ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 3–14 : Автор(ы): Shnar, V.N. and V.I. Shlibanov

  9. Predicting distribution and relative abundance of mid-trophic level organisms using oceanographic parameters and acoustic backscatter

    Abstract:  Data on the distribution and abundance of mid-trophic level organisms (MTLOs) in the ... mesopelagic zones, using sea surface temperature, time of day (day/night) and depth. The resulting models ... predicted backscatter reasonably well in the Pacific sector of the SO, and in an independent dataset in the ... Indian sector of the SO. Our predictive models may provide a tool for inferring abundance and ...

    Meeting Document : WG-EMM-18/P07 : Автор(ы): P.C. Escobar-Flores, R.L. O’Driscoll and J.C. Montgomery

  10. Habitat preferences of Adélie and chinstrap penguins during pre-moult

    Abstract:  In order to understand and mitigate for the potential impacts of anthropogenic ... phase of the annual cycle. We show that Adélie penguins have an affinity to forage and moult on sea-ice ... to moult. However, habitat models aimed to predict the preferred foraging habitats of penguins during ... understand the distribution and foraging behaviour of penguins during certain stages of the life-cycle, and ...

    Meeting Document : WG-EMM-18/P12 : Автор(ы): V. Warwick-Evans, M. Santos and P.N. Trathan

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