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Комиссия по сохранению морских живых ресурсов Антарктики

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  1. ИНФОРМАЦИЯ О НЕЗАКОННОМ ПРОМЫСЛЕ В СТАТИСТИЧЕСКОМ РАЙОНЕ 58 ОЦЕНКА НЕЗАКОННОГО ПРОМЫСЛА ВО ФРАНЦУЗСКИХ ВОДАХ ВОКРУГ ОСТРОВОВ КЕРГЕЛЕН И КРОЗЕ ОТЧЕТ О НАБЛЮДЕНИЯХ И ИНСПЕКЦИЯХ В ЗОНЕ АНТКОМ СЕЗОН 2010/11 г. (1 ИЮЛЯ 2010 г. – 15 АВГУСТА 2011 г.)

    ). Surveillance of these EEZs is undertaken jointly by France and Australia under a bilateral cooperation ... now protected. While there may be a faint possibility of short forays being made into the area, it is ... Convention Area in international waters.  The combined effects of a rise in the price of diesel and a drop in ... pronounced, a fresh upsurge in IUU activities is now being observed in the Convention Area. The increase in ...

    Meeting Document : CCAMLR-XXX/34 : Автор(ы): Délégation française

  2. Preliminary assessment models of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2005/06 season

    in a similar, though slightly higher, estimate of initial and current biomass as the 2005 base case ... modifying the estimates from the models, suggesting that the new data had a similar pattern to that of ... ‘all vessels’ tagging data resulted in a much more optimistic assessment, but was due to the increased ... a more optimistic estimate of B0. However, as the changes in growth, length-weight, and M all imply ...

    Meeting Document : WG-FSA-SAM-06/11 : Автор(ы): Dunn, A. & Hanchet, S.M.

  3. Modelling the predator–prey interactions of krill, baleen whales and seals in the Antarctic ecosystem

    summarized briefly, and the central role played by krill emphasized. The background to the hypothesis of a ... trends without the need for recourse to environmental change hypotheses. A model is developed including ... /Indian and Pacific sectors in view of the much larger past harvests in former. A reference case and five ... crabeater seals seemingly playing an important role and constituting a particular priority for improved ...

    Meeting Document : WG-EMM-05/34 : Автор(ы): M. Mori and D.S. Butterworth (South Africa)

  4. Developing integrated assessments for Dissostichus eleginoides based on the CCAMLR precautionary approach

    Abstract:  This paper describes a possible method for implementing the precautionary approach in ... assessments of Dissostichus stocks when a number of different datasets are being integrated for estimating ... this paper but the methodology is laid out in such a way that alternative software solutions could be ... third step is to use the GYM to undertake a number of projection trials, determining the median pre ...

    Meeting Document : WG-FSA-SAM-05/16 : Автор(ы): I. Ball and A.J. Constable (Australia)

  5. Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia

    tag placements and recapture effort, on bias in the Petersen estimate. It does so by constructing a ... encountered a high CPUE box and upwards in a low CPUE box so that they were retained in high CPUE boxes. The ... model incorporates the facility for releases by box over a number of years. The model performed as ... expected with test situations. It produced a near-perfect estimate of stock size when there was an ideal ...

    Meeting Document : WG-FSA-SAM-05/6 Rev. 1 : Автор(ы): D.J. Agnew, G.P. Kirkwood, J. Pearce and J. Clark (United Kingdom)

  6. An ecosystem-based approach to management: using individual behaviour to predict the indirect effects of Antarctic krill fisheries on penguin foraging

    have indirect effects on other species in a community. Although ecosystem approaches to management are ... becoming increasingly prevalent, they require a fuller understanding of how individual behaviour determines ... conditions on these interactions. In this study, we extended a behavioural model used previously to ... , this also leads to a prediction of decreased penguin survival and reproduction. Krill behaviour is ...

    Meeting Document : WG-EMM-03/34 : Автор(ы): S.H. Alonzo, P.V. Switzer and M. Mangel (USA)

  7. Coordinating approaches to incidental mortality arising from fisheries

    . CCAMLR has developed a comprehensive system for mitigation of seabird incidental mortality, but ... application of approaches to minimise by-catch needs to be consistent where possible across non-target taxa. A ... that need to be addressed based on a preliminary evaluation of risks. This would facilitate agreement ... on a program of work. Such an approach could provide the basis for a comprehensive and integrated ...

    Meeting Document : WG-FSA-03/71 : Автор(ы): A.J. Constable, C. Davies, A.T. Williamson, R. Williams and E. van Wijk (Australia)

  8. Ecosystem modelling for the Antarctic krill fishery

    Abstract:  Euphausia superba Dana (Antarctic Krill) has been recognized as a key forage species in ... well as competitors for a common resource. In this context we aim to investigate whether the krill ... fishery and the top predators are competing for krill biomass. This is a cooperative pilot project led by ... University of Concepcion, Chile with the Fisheries Centre at University of British Columbia, Canada. In a ...

    Meeting Document : WG-EMM-01/65 : Автор(ы): T. Antezana, J. Cornejo, E. Bredesen, P. Faundez (Chile), A.W. Trites and T. Pitcher (Canada)

  9. Trends in mean lengths and selectivities for Dissostichus eleginoides taken by longliners in Subarea 48.3

    Abstract:  At its last meeting, WG-FSA noted a declining trend in the mean lengths of toothfish ... also that this trend was halted in 2000. A GLM analysis of these data shows that both area and depth ... . The combined effects of these findings were examined in a set of preliminary analyses of length ... there was a consistent tendency for fish over 90-100 cm to have a lower relative selectivity than ...

    Meeting Document : WG-FSA-01/48 : Автор(ы): G.P. Kirkwood and D.J. Agnew (United Kingdom)

  10. Preliminary analysis of seabird by-catch using CCAMLR observer data

    birds (9.4%). Data conformed most closely to a Delta distribution (many zero values and log-normal ... distribution of non-zero values) and were analysed using two Generalised Linear Models, a binomial model for ... presence/absence of seabird catches and a Gamma model for the magnitude of non-zero catches. Sparsity of ... data precluded analysis of seabirds at a taxon level more detailed than albatrosses and petrels ...

    Meeting Document : WG-FSA-99/28 : Автор(ы): D.J. Agnew and J.P. Croxall (United Kingdom)

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E-mail: ccamlr [at] ccamlr [dot] org
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