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  1. Breeding numbers and success of Eudyptes penguins at Marion Island, and the influence of arrival of adults

    the proportions of birds breeding. For both species the time of arrival of females for breeding ... of birds breeding. For both species the time of arrival of females for breeding, and for Rockhopper ...

    Meeting Document : WG-EMM-05/38 : Author(s): R.J.M. Crawford, J. Cooper, B.M. Dyer and L.G. Underhill (South Africa)

  2. Scientific requirements for an orderly development of the krill fishery

    of these requirements is also provided. The paper recommends that in keeping with the precautionary ... krill fishery: (i) Undertake krill stock surveys in areas with no precautionary catch limits in order to ... catch limits is in place. (iv) Develop a program to monitor and observe krill catch and by-catch, with ...

    Meeting Document : WG-EMM-07/23 : Author(s): A. Constable, G. Slocum and S. Nicol (Australia)

  3. Comparison of estimators of effective sample size for catch-at-age and catch-at-length data using simulated data from the Dirichlet-multinomial Distribution

    (D-M) distribution with marginal class probabilities generated using a simple age-structured model ... heterogeneity with another of the haul-level methods giving similar estimates. The year-level methods gave very ... inaccurate estimates of this ESS when process error variance was set to zero with relative mean square error ...

    Meeting Document : WG-SAM-07/7 : Author(s): S.G. Candy (Australia)

  4. Relationships between distribution of two euphausiid species and oceanographic characteristics in the Ross Sea (January–February 2000)

    investigated, and vertical sections with krill swarms weight and sea temperature are reported. Results indicate ... the Ross Ice Shelf region until the zone close to the shelf break, with some presence in the open ... , while Euphausia superba was relatively abundant. The two species had a very limited, but with relatively ...

    Meeting Document : WG-EMM-02/38 : Author(s): A. Russo, M. Azzali, E. Biffi, G. Lanciani and E. Paschine (Italy)

  5. On the state of Champsocephalus gunnari stock in Subarea 48.3 and methods of its assessment

    comparison of results of stock assessment based on bottom trawl surveys (1984-1997) with the total catch ... icefish concentrations reaches 40-50 m;- at scientific trawlings the use of trawls with mesh less than 80 ... ;- catchability of a "slower" small-mesh bottom trawl with the best will of researches is not 1.0;- as a ...

    Meeting Document : WG-FSA-00/45 : Author(s): K. Shust, V. Senioukov, P. Gasiukov and A. Kozlov (Russia)

  6. SEASONAL ESTIMATION OF ABUNDANCE BY BOOTSTRAPPING INEXACT RESEARCH DATA (SEABIRD): A METHOD FOR ASSESSING ABUNDANCE AND UNCERTAINTY FROM HISTORICAL COUNT DATA USING ADELIE PENGUINS AS A CASE STUDY

    being presented in a specified format congruent with CCAMLR databases designed to store historical ... associated with combining diverse data collected in a variety of ways over many decades. Of particular ... uncertainty associated with historical counts be faithfully incorporated and preserved, and methods have been ...

    Meeting Document : WG-EMM-PSW-08/11 : Author(s): J.P. McKinlay and C.J. Southwell (Australia)

  7. The use of morphometric parameters for the determination of sex of Adelie penguins

    of morphometric parameters was examined for breeding birds of known sex at Bechervaise Island near Mawson Station ... , Antarctica (latitude 67°36’S, longitude 62°53’E). It was found that 89 % of birds could be correctly sexed ... . The sex of juvenile birds (identified by their white chins) cannot be determined by this method ... of variation. Further, it should be applied only to breeding birds. The probability of correctly identifying ...

    Meeting Document : WG-CEMP-91/5 Rev. 1 : Author(s): K.R. Kerry, D.J. Agnew, J.R. Clarke and G.D. Else (Australia)

  8. Alternative method of the age composition assessment on the basis of surveys length data using mixture distributions

    comparison of this method and the method by de la Mare for length series, estimated with Aitchison’s method ... tested on the length series obtained with the bootstrap method on the basis of the above mentioned ...

    Meeting Document : WG-FSA-05/78 : Author(s): P. Gasyukov (Russia)

  9. The three-frequency method for classifying the species and assessing the size of two euphausiids (Euphausia superba and Euphausia crystallorophias)

    acoustic estimates of euphausiid lengths, derived from the fluid sphere model, are compared with lengths ... January/February 2000. The results are compared with those obtained from the standard method. Author(s ...

    Meeting Document : WG-EMM-02/37 : Author(s): M. Azzali, G. Lanciani and I. Leonori (Italy)

  10. REPORT ON A RANDOM STRATIFIED TRAWL SURVEY TO ESTIMATE DISTRIBUTION AND ABUNDANCE OF DISSOSTICHUS ELEGINOIDES AND CHAMPSOCEPHALUS GUNNARI IN THE HEARD ISLAND REGION (DIVISION 58.5.2) FOR 2008 AND 2009

    generally reduced from the previous year’s survey, with the catch of toothfish being one third of that for ... than that of 2008, with the catches of toothfish and icefish being four and five times higher ...

    Meeting Document : WG-FSA-09/34 : Author(s): G.B. Nowara (Australia)

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