Resultados de la búsqueda
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Pygoscelis penguin census in the Vernadsky Antarctic station area
region of research are gentoo penguin, which has formed 14 separate colonies with about 13320 of breeding ... formed 8 nesting colonies with 5300 nesting pairs and 800 immature penguins. Inside of the Adelie penguin ...
Meeting Document : SC-CAMLR-XXXVII/BG/06 : Autor(es): V.M. Smagol, A.O. Dzhulay, I.V. Dykyy, G.P. Milinevsky and E.O. Dykyy
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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 : Autor(es): S.G. Candy (Australia)
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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 : Autor(es): A. Russo, M. Azzali, E. Biffi, G. Lanciani and E. Paschine (Italy)
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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 : Autor(es): K. Shust, V. Senioukov, P. Gasiukov and A. Kozlov (Russia)
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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 : Autor(es): J.P. McKinlay and C.J. Southwell (Australia)
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Results of study of the oogenesis characteristics of Antarctic toothfish (Dissostichus mawsoni Norman 1937) (Nototheniidae) from Subareas 88.1 and 88.2 (Ross Sea)
Antarctic toothfish during the fishing period the individuals with gonads of the III late stage of maturity ... large oocytes of the nearest spawning season with average diameter 1000- 1200?10-6 m have composed 5.4 ...
Meeting Document : WG-FSA-07/49 : Autor(es): S. V. Piyanova and A.F. Petrov (Russia)
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Distribution and ecology of Chaenocephalus aceratus (Channichthyidae) around South Georgia and Shag Rocks (Southern Ocean).
that growth was fast in the first five years with males and females attaining lengths at first spawning ... of 440 mm TL and 520 mm TL. The diet was comprised of fish and crustaceans, with an ontogenetic shift ...
Meeting Document : WG-FSA-07/P5 : Autor(es): W.D.K Reid, S. Clarke, M.A. Collins and M. Belchier. (Polar Biol., 30 (12): 1523–1533 (2007))
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Breeding numbers and success of Eudyptes penguins at Marion Island, and the influence of arrival of adults
significantly correlated with mass of chicks at fledging. For both species, mass on arrival of males was ... significantly correlated with that of females. Although both species had low weights on arrival after the El ...
Meeting Document : WG-EMM-05/38 : Autor(es): R.J.M. Crawford, J. Cooper, B.M. Dyer and L.G. Underhill (South Africa)
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Counts of surface-nesting seabirds breeding at Prince Edward Island, summer 2001/02
albatrosses Diomedea exulans (Vulnerable) has increased significantly, making Prince Edward Island equal with ... are unclear, but for macaroni penguins may be partly a consequence of competition for space with the ...
Meeting Document : WG-EMM-03/9 : Autor(es): P.G. Ryan, J. Cooper, B.M. Dyer, L.G. Underhill,R.J.M. Crawford and M.N Bester (South Africa)
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Krill length frequency distribution in Subarea 48.3 in January–April 1988 in relation to sources of its origin
Current and Weddell Scotia Sea water flow. It is shown, that small krill with the mode of about 33 mm is ... distance of about 30-60 miles, beyond boundary zone occurs larger krill with the mode of about 49 mm. Krill ...
Meeting Document : WG-EMM-03/40 : Autor(es): F.F. Litvinov, V.N. Shnar, A.V. Zimin and V.V. Lidvanov (Russia)