Resultados de la búsqueda
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Fitting a von Bertalanffy growth model to length-at-age data accounting for length-dependent fishing selectivity and length-stratified sub-sampling of length frequency samples
both age and measure for length there are two potential response-biased sampling processes when length ... extends previous work to general nonlinear models and combines two response-biased sampling processes ... Patagonian toothfish (Dissostichus eleginoides) given a known selectivity function. Author(s): S.G. Candy ... is the response and age is the predictor variable. These sample processes are (i) the actual fishing ...
Meeting Document : WG-FSA-SAM-05/13 : Autor(es): S.G. Candy (Australia)
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Depth distribution and spawning pattern of Dissostichus eleginoides over the winter period in Subarea 48.3
spawning between the two areas. There may be two (or more) spawning periods during the winter, with the ... larger spawning period being late July and August. Author(s): D.J. Agnew, K. Kerkieta, L. Heaps, C ... seasons, suggesting movement of animals both up and down slope at particular times of year. Months with a ...
Meeting Document : WG-FSA-98/58 : Autor(es): D.J. Agnew, K. Kerkieta, L. Heaps, C. Jones, J. Pearce and A. Watson (United Kingdom)
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Quantitative stock survey and some biological and morphometric characteristics of the deep-sea red crab Geryon quinquedens off south west Africa
Abstract: In order to assess the abundance of the red crab Geryon quinquedens, two otter-trawl ... densities occurred at depths of 472-849 m, whereas unusually high concentrations were encountered during two ... oxygen and tolerates a temperature range of more than 7°C. Author(s): C.J. De B. Beyers and C.G. Wilke ...
Meeting Document : WS-CRAB-93/22 : Autor(es): C.J. De B. Beyers and C.G. Wilke (South Africa)
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Annual Report from SCAR to CCAMLR
potential interest to CCAMLR as well as areas where the two organizations are already cooperating. Annual ... Brazil. SCAR hopes to continue to explore with CCAMLR areas where the two organisations can work together ... in mutually beneficial ways. For further details see www.scar.org Author(s): Submitted by SCAR Title ... work on climate change communications, which will be a significant activity over the next year. The ...
Meeting Document : CCAMLR-XXX/BG/15 : Autor(es): Submitted by SCAR
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Update on the conservation status, distribution and priorities for albatrosses and petrels in the CCAMLR area
distribution in the CCAMLR area are still uncertain or showed declines during the last two decades, and two ... jurisdictional waters and the high seas. Author(s): Submitted by the ACAP Secretariat Title: Update on the ...
Meeting Document : SC-CAMLR-XXXVII/BG/10 : Autor(es): Submitted by the ACAP Secretariat
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Growth and Natural Mortality of Yellowfin Notothenia Patagonotothen guntheri shagensis from Shag Rocks Shelf
exploitation were 2.5 years and 12.5 cm, respectively. Author(s): V.I. Shlibanov (USSR) Title: Growth and ... Abstract: Regularities of growth are established from the data of age determinations and analysis ... six various methods ranged from 0.63 to 1.06. With mean value of M, age and length at optimum ...
Meeting Document : WG-FSA-89/18 : Autor(es): V.I. Shlibanov (USSR)
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Can the chemistry of otolith nuclei determine population structure of Patagonian toothfish Dissostichus eleginoides?
population heterogeneity not previously detected, suggesting the possibility of more than one South American ... population; and also suggested some South American-caught fish had moved from South Georgia. Author(s ...
Meeting Document : WG-FSA-06/P2 : Autor(es): Ashford, J.R., A.I. Arkhipkin and C.M. Jones
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Variation in foraging effort by lactating Antarctic fur seals: response to simulated increased foraging costs
increased foraging costs during lactation. One group of mothers (n = 5, treatment) was fitted with ... of the individual dives, the treatment group made more shorter, shallower (Author(s): Walker, T.R ...
Meeting Document : WG-EMM-97/08 : Autor(es): Walker, T.R., McCafferty, D.J., Boyd, I.L.
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Squalus acanthias – a new species in the Antarctic ichthyofauna (Division 58.5.1)
duly described. Squalus acanthias is believed to be one of the most widespread shark species in the ... suggest natural enlargement of the range of this ecologically plastic species. Author(s): Pshenichnov ...
Meeting Document : WG-FSA-96/14 : Autor(es): Pshenichnov, L.K.
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On the estimation of some demographic parameters for Adelie penguins
breeding may be deferred one year if conditions are poor. A Bayesian approach for estimation of the model ... discussions on the likely levels of measurement error in the observational data. Author(s): Thomson, R.B ... factors of lower adult survival rates in the year of first breeding, and the possibility that such ...
Meeting Document : WG-EMM-95/42 : Autor(es): Thomson, R.B., Butterworth, D.S.