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1. Models of tag shedding for double tagging as a function of time at liberty and approximate solutions for the single tagging model in CASAL

   that fish that have shed both tags cannot be detected and therefore do not contribute to the data but ... models. It is recommended that CASAL be modified to correctly handle double-tagged releases and at the ... combined with a sensitivity analysis that varies the KW constant rate parameter in CASAL assessments ... Abstract:  The model of tag shedding implicit in CASAL is that of Kirkwood and Walker (KW) (1984 ...

   Meeting Document : WG-SAM-11/12 : Автор(ы): S.G. Candy (Australia)

2. Distribution and relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf

   in relative abundance of these subadult fish could be detected. It is recommended that CCAMLR ... potential predators, and thus where any ecosystem effects would be most likely to occur. The shelf catch has ... , with some evidence for an ontogenetic migration from east to west as they grow. From the fisheries data ... the fishery. Nevertheless, it would seem prudent to have a monitoring system in place so that changes ... so that changes in relative abundance of these sub- adult fish could be detected. It is recommended ... most likely to occur. It should be noted that a paper providing a more com- prehensive analysis of the ... that most catches were taken at a depth of 800–900 m. Most fishing was carried out in 2007, with ... suggests that D. mawsoni are strongly associated with a particular depth range and therefore have a ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 33–51 : Автор(ы): Hanchet, S.M., S. Mormede and A. Dunn

3. Foraging areas of black-browed and grey-headed albatrosses breeding on Macquarie Island in relation to marine protected areas

   -order predators, there is a paucity of data that can be used to evaluate their efficacy in achieving ... Southern Ocean by examining the foraging areas of black-browed and grey-headed albatrosses that were ... Exclusion Zone around Macquarie Island. In contrast, grey-headed albatrosses (T. chrysostoma) spent on only ...

   Meeting Document : WG-FSA-04/49 : Автор(ы): A. Terauds, R. Gales, G.B. Baker and R. Alderman (Australia)

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

   ) and upwards in a low-density box, so that they tended to be retained in high-density boxes. The model ... allows simulation of releases by box over multiple years. The model performed as expected with test ... and/or fishing effort; by ‘ideal’, it is meant that either tagging or fishing effort was in direct ... indicated that the Petersen estimator produced an underestimate of true population size. Although this paper ... that they tended to be retained in high-density boxes. The model allows simulation of releases by box ... - mated by a straight line for this purpose) needed to be sufficiently small that toothfish would have a ... in that year 40 W 43 3 0' W 48 0 0' W M an ag em en t A re a A (W es t S ha ... released in that and earlier years Fi gu re 1 : D is tr ib ut io n of t ag a nd r el ea se ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 47–63 : Автор(ы): Agnew, D.J., G.P. Kirkwood, J. Pearce and J. Clark

5. ANTARCTIC TOOTHFISH STOCK ASSESSMENT IN DIVISION 58.4.1 ON THE BASIS OF CATCH AND CPUE DATA

   of carrying capacity for this stock is found to be about 29000 t. Initial stock biomass is estimated ... this division (e.g. Agnew et al., 2008), the assessment was intended to be independent of estimates of ... production models, current stock biomass in this division is estimated as about 12000 t, while the estimate ... as 19000 t. Author(s):  D. Vasilyev, K. Shust, A. Petrov, V. Tatarnikov and I. Istomin (Russia) Title ...

   Meeting Document : WG-FSA-09/14 Rev. 1 : Автор(ы): D. Vasilyev, K. Shust, A. Petrov, V. Tatarnikov and I. Istomin (Russia)

6. e-cc-xvii-a5.pdf

   ... commented that this should be taken up on a national level by Members in accordance with the harmonised ... that the bonds will be forfeited. The total value of these bonds is estimated at A$2.1 million. Court ... ). Argentina advised that administrative actions had been taken with respect to the following three vessels ... their approach which could be used by other Members as a model. It suggested that a harmonised tariff application/pdf attached to:SCOI-98

   Meeting Report : SCOI-98

7. BEACH DEBRIS SURVEY AT CAPE SHIRREFF, LIVINGSTON ISLAND, DURING THE ANTARCTIC SEASON 1996/97

   produced on board can be stored, with the respective compartments with the international colour for plastic ... international ports, especially in those with an adequate infrastructure to receive that kind of waste ... beaches of Cape Shirrefl Livingston Island, South Shetland Islands, where a total of 1 609 articles with a ... plastic pieces to avoid that tllis material may enter the CEMP Site during storms and windy weather. As it ...

   Meeting Document : CCAMLR-XVI/BG/35 : Автор(ы): Delegation of Chile

8. Evaluation of de la Mare’s composite standardised index for generating a simple time-series summary of many long-term datasets on Antarctic predators: consequences of missing values and criteria for inclusion of predator parameters

   found that, for inclusion in the index, parameters should be positively correlated with all other ... for determining the correlation coefficients. These criteria need to be accepted with caution. Further ... parameters present in that year. In this respect, the robustness of the index is dependent on that subset of ... parameters being representative of all the parameters for that year. Clearly, this will depend on how ...

   Meeting Document : WG-EMM-98/45 : Автор(ы): A. Constable (Australia)

9. Research plan for toothfish in Divisions 58.4.4a and 58.4.4b by Shinsei Maru No. 3 in 2012/13

   of 20 % achievable from Petersen biomass estimates may be achieved within three years with an annual ... . However, it should be noted that one of the reasons for small number of recaptured fish and decreased CPUE ... overestimated, while that using CPUE comparison may be underestimated. We propose to continue the mark-recapture ... of ≥ 5 fish / ton will be conducted. The comparison test with the experimental gear, which consists ...

   Meeting Document : WG-SAM-12/17 : Автор(ы): Delegation of Japan

10. Preliminary tag-recapture based population assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 48.4

    from tagging returns to average 1109 tonnes since 2010, with a five-year (2015-2019) average biomass of ... as being part of a much larger stock that extends south into Subarea 48.2, 48.6 and possibly 48.5 ... estimate of the local biomass.   Author(s):  T. Earl and A. Riley Title:  Preliminary tag-recapture based ...

    Meeting Document : WG-FSA-2019/27 : Автор(ы): T. Earl and A. Riley

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