Résultats de la recherche
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Estimating confidence intervals for fish stock abundance estimates from trawl surveys
confidence bound appears to be more reliable than the upper. Author(s): W.K. de la Mare (Australia) Title ... deteriorates in cases where few of the hauls contain fish, and the coefficient of variation is high. The lower ...
Meeting Document : WG-FSA-93/20 : Auteur(s): W.K. de la Mare (Australia)
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A comparison of geostatistical and random sample survey analyses of Antarctic krill acoustic data
Abstract: Data from the acoustic surveys of MV SA "Aghulas" and FRV "Walter Herwig ... sampling theory. A further high-resolution geostatistical analysis of the MV SA "Aghulas" (ping ... show marked skewness in their histogram of density. Author(s): Murray, A.W.A. Title: A comparison of ...
Meeting Document : WG-EMM-95/76 : Auteur(s): Murray, A.W.A.
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Generalised Yield Model: User’s Manual and Specifications
. Author(s): A.J. Constable, A.T. Williamson and W.K. de la Mare (Australia) Title: Generalised Yield ...
Meeting Document : WG-FSA-02/62 : Auteur(s): A.J. Constable, A.T. Williamson and W.K. de la Mare (Australia)
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Do krill and salp compete? Contrary evidence from the krill fisheries
phenomena are discussed. Author(s): S. Kawaguchi (Japan), W.K. de la Mare (Australia), T. Ichii and M ... proportion of green krill in the catches was evident when both salps and krill were taken together. In the ... . However, no clear relationship was observed in the Elephant Island area. Possible reasons for these ...
Meeting Document : WS-AREA 48-98/4 Rev. 1 : Auteur(s): S. Kawaguchi (Japan), W.K. de la Mare (Australia), T. Ichii and M. Naganobu (Japan)
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Population dynamics of the wandering albatross (Diomedea exulans) on Macquarie Island and the effects of mortality from longline fishing
): William K. de la Mare and Knowles R. Kerry (Australia) Title: Population dynamics of the wandering ... increased from 17 in 1956 to a maximum of 97 in 1966, and then declined at an average rate of 8.1% per year ... emigration). The decline is correlated with the onset of large-scale fishing for tuna in the southern ... albatross is estimated. An annual number of longline hooks in the southern hemisphere tuna fishery of 41.6 ...
Meeting Document : WG-IMALF-94/07 : Auteur(s): William K. de la Mare and Knowles R. Kerry (Australia)
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Testing the performance of a recompiled version of CMIX to decompose length-density distributions of Patagonian toothfish (Dissostichus eleginoides)
Dissostichus eleginoides Author(s): T.D. Lamb, W.K. de la Mare, A.J. Constable and C.R. Davies (Australia ... differences in the minimisation routines of the recompiled version. We conclude that the small differences ...
Meeting Document : WG-FSA-04/65 : Auteur(s): T.D. Lamb, W.K. de la Mare, A.J. Constable and C.R. Davies (Australia)
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Verification of the CMIX procedure on species with known age-length keys
surveys using the method of W.K. de la Mare (1994) is a conventional procedure in the WG-EMM and WG-FSA ... practice. Verification of the method was made on the materials on the Baltic cod collected in the ICES ... out by research vessels of Russia and other countries were used. It has been shown that divergence in ...
Meeting Document : WG-FSA-SAM 03/5 : Auteur(s): P. Gasiukov (Russia)
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A comparison between the estimated density of krill from an acoustic survey with that obtained by scientific nets on the same survey
., Higginbottom, I., Hosie, G., de la Mare, W.K., Nicol, S. Title: A comparison between the estimated density of ... part of a hydroacoustic biomass survey for Antarctic krill in CCAMLR Division 58.4.1. The acoustic ... found between the two data sets. Several orders of magnitudes were seen in the range of variation ... , excluding sites where krill represented less than 90% of the catch. This reduction in variation was thus ...
Meeting Document : WG-EMM-97/43 : Auteur(s): Pauly, T., Higginbottom, I., Hosie, G., de la Mare, W.K., Nicol, S.
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Abundance of Patagonian toothfish (D. eleginoides) at Macquarie Island estimated from tagging studies during 1995/96 fishing season
(s): de la Mare, W., Williams, R. Title: Abundance of Patagonian toothfish (D. eleginoides) at ... obtained for the pre-fishing abundance of the population in the season of 996 000 fish. However, this is ...
Meeting Document : WG-FSA-96/39 : Auteur(s): de la Mare, W., Williams, R.
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Some considerations for the further development of statistical summaries of CEMP indices
. An approach to the further development of CEMP indices is outlined. Author(s): de la Mare, W.K ... -EMM for identifying anomalies in CEMP parameters is examined by means of simulation tests. The power ... values have appeared in the data. An alternative procedure, using baseline mean and variance estimates ...
Meeting Document : WG-EMM-Stats-97/07 : Auteur(s): de la Mare, W.K.