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Комиссия по сохранению морских живых ресурсов Антарктики

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  • Two spouses mentioned on Blantyre Telegraph article (2018-2020) raised an animal together for 20-30 years

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

    Paper Title:  Can we use discriminant function analysis to sex penguins prior to calculating an ... , morphometric characteristics have separate distributions for males and females, and these often overlap. Whilst ... certain proportion of birds. Two overlapping normal distributions are used to show that there is a ... difference between the real mean characteristic for a sex, and the apparent mean derived by sexing the birds ... characteristics (such as the CEMP characteristic AI, "weight on arrival") have separate distributions for males ... to combine males and females for the calculation of an index. This paper evaluates the suggestion ... characteristicistics in order to monitor body weight. From now on, then, I make reference only to an undescribed ... acceptable for all practical purposes. This means that the insistence on completely accurate sexing is not ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 259–272 : Автор(ы): Agnew, D.J.

  2. Towards an assessment of the stock of the ommastrephid squid Martialia hyadesi in the Scotia Sea: data from predators

    . Martialia probably has a life span of two years and a circumpolar distribution but its biology and ecology ... Abstract:  Cephalopod fisheries world-wide mainly target species from two families, Loliginidae ... and Ommastrephidae. Fisheries for the latter have been characterised by dramatically fluctuating ... squid is an important component of the diet of several species of albatross and the southern elephant ...

    Meeting Document : SC-CAMLR-IX/BG/13 : Автор(ы): Delegation of United Kingdom

  3. An updated information of the Japanese krill fishery in the Antarctic

    of two different type of operation. Operated areas in 1983/84 and 1984/85 seasons were illustrated ... and three historical main fishing grounds were identified. Author(s):  Y. Shimadzu (Japan) Title:  An ...

    Meeting Document : WS-KCPUE-85/05 : Автор(ы): Y. Shimadzu (Japan)

  4. Biomass of krill in Division 58.4.2 and an estimation of precautionary yield, including a subdivision of the precautionary catch limit along the 55ºE longitude

    Biomass of krill in Division 58.4.2 and an estimation of precautionary yield, including ...

    Meeting Document : SC-CAMLR-XXVI/07 : Автор(ы): Delegation of Australia

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

    Abstract:  In sexually dimorphic species, morphometric parameters have separate distributions for ... sex of individuals, it is only able to correctly sex a certain proportion of birds. Two overlapping ... normal distributions are used to show that there is a difference between the real mean parameter for a ... . Combining all data for both sexes is considered as a procedure for avoiding the necessity of sex ...

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

  6. An attempt to derive a composite index of abundance from acoustic surveys and fishery data

    composite index of krill abundance (SC-CCAMLR-VIII, 1989) were derived for two surveys from these data sets ... distribution of fishing effort in the Chilean krill fishery indicate an area of high krill density wrapping ... end of the island. Author(s):  R.P. Hewitt (USA), V. Marín (Chile) and D. Demer (USA) Title:  An ...

    Meeting Document : WG-Krill-94/14 : Автор(ы): R.P. Hewitt (USA), V. Marín (Chile) and D. Demer (USA)

  7. An analysis of temporal variability in abundance, diversity and growth rates in the coastal ichthyoplankton assemblage of South Georgia (sub-Antarctic)

    fish diversity and abundance. Larvae of twenty two species, representing nine families, were identified ... ) and C. gunnari (Channichthyidae), dominated abundance in all years. Significant seasonal and ... significantly correlated with local SST or primary productivity.  Estimates of larval growth are provided for 5 ... there has been little change in growth rate for the main species over the last three decades. Author(s ...

    Meeting Document : WG-FSA-12/33 : Автор(ы): M. Belchier and J. Lawson (United Kingdom)

  8. An index of per capita recruitment

    Paper Title:  An index of per capita recruitment Abstract / Description:  An index of per capita ... reproductive success and the factors postulated to affect it. The formulation of PCR is based on the ... assumptions that: (i) post-recruit mortality does not vary over age or between years; (ii) 100% of age-l ... years, and when all age-l animals spawn. These conclusions are insensitive to changes in the shape of ... appearing as a large mode at 20 to 30 mm length and in subsequent years as progressively longer length ... for Ml and c, and a is set to 0.0, PCR underestimates R/S by an average of approximately 30 ... years except for the moderate year class of 1990/91. The non-linear transformation of R1 to PCR ... converted to a series of PCR indices for Antarctic krill. DERIVATION OF AN INDEX OF PCR The PCR index ...

    Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 179–196 : Автор(ы): Hewitt, R

  9. An updated descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 and 88.2 up to 2005/06

    data for non-New Zealand vessels for the 2005-06 season for the first time. However, tag data were ... still only available for about half of the non-New Zealand vessels for 2003-04. A reported total of 10 ... and 25 recaptured. Tagging rates by area over the past three years have been in the same proportion as ... release data. Two fish tagged and recaptured in the fishery have moved over 200 km, but the majority (> ...

    Meeting Document : WG-FSA-06/34 : Автор(ы): A. Dunn and S.M. Hanchet (New Zealand)

  10. Habituation to an acoustic harassment device (AHD) by killer whales depredating demersal longlines

    activation and 30 phases during which the AHD was turned off. Two multi-exposed killer whale social units ... :  Habituation to an acoustic harassment device (AHD) by killer whales depredating demersal longlines Approval ...

    Meeting Document : WG-FSA-14/P04 : Автор(ы): P. Tixier, N. Gasco, G. Duhamel and C. Guinet

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