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1. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–G for the years 2002–03 to 2010–11

   from all vessels led to a 20% increase in biomass. We believe that the SSRU 88.2C–G model provides a ... fish are caught and most of the effort has been concentrated. For our reference case we used a selected ... fishery led to a 10% increase of biomass, due to the low numbers of tags there, whilst including tag data ... better accounts for the age frequency structure of the north and south areas.   Author(s):  S. Mormede, A ...

   Meeting Document : WG-FSA-11/43 : Autor(es): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)

2. Estimating the biodiversity and distribution of the northern part of the Kerguelen Islands slope, shelf and shelf-break for ecoregionalisation: benthos and demersal fish

   limited areas. However, they collected numerous specimens and led to a first estimate of the local ... have already been studied, although a number of them are still to be sorted and studied. In 1987 and ... adults (Koubbi et al., 2001). More recently, the POKER I survey (2006), for demersal fish, POKER II (2010 ... ) for benthos and demersal fish, collected a large number of specimens on the Kerguelen island shelf ...

   Meeting Document : WS-MPA-11/09 : Autor(es): N. Améziane, M. Eléaume, P. Pruvost, G. Duhamel and Kerguelen group (France)

3. Performance metrics to index the spatial coverage of mark-recapture data

   important focus topic for WG-SAM (SC-CAMLR-XXXIV, 2015, para 3.83). This paper outlines developments towards ... statistics: (i) a single measure of the degree of spatial overlap between the release of tagged fish and ... subsequent fishing effort for tag recovery, labelled the tag spatial overlap (TSO) statistic and (ii) a ... -recapture data, labelled the tag spatial bias (TSB) statistic. We apply the method to a single case study ...

   Meeting Document : WG-SAM-16/13 : Autor(es): C. Marsh, A. Dunn and S. Mormede

4. Zooplankton target strength: volumetric or areal dependence?

   kHz and I MHz data were collected with a dual-beam sonar system and the 200 kHz data with a split-beam ... cylindrical radius). The theoretical models chosen for this comparison were two versions of a high-pass bent ... from similar experiments (Wiebe et al., 1990), and to the high-pass models, the regressions indicated ... that TS is proportional to the cross-sectional area of the animal. However, neither Wiebe et al. (1990 ...

   Meeting Document : WG-Krill-94/13 : Autor(es): D.A. Demer and L.V. Martin (USA)

5. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–H for the years 2002–03 to 2012–13

   the revised data selection method (R2), using a logistic selectivity for the northern fishery (R3 ... in 2010, 2011 and 2012 suggest a much lower biomass, and data from tags released from 2004 to 2009 ... suggest an intermediate biomass. The two models (R1 and R2) which estimate a higher biomass are those ... where the age data were more influential. However, these age data are not reliable because a single age ...

   Meeting Document : WG-FSA-13/52 : Autor(es): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)

6. Revised continuation proposal of multi-Member research on Patagonian toothfish (Dissostichus eleginoides) exploratory fishery in 2018/19 in Division 58.4.3a by France and Japan

   Abstract:  France and Japan revised a research plan to continue investigating the populations of ... , para. 3.121). France and Japan commonly notifies their intention to continue their exploratory ... achieve a robust stock assessment. We present here a proposal for the continuation of the research plan as ...

   Meeting Document : WG-FSA-18/61 : Autor(es): Delegations of France and Japan

7. Report on seabird by-catch outside the CCAMLR Convention Area recorded in the South African fisheries

   Seabirds to the north of the Convention Area and the request by IMAF, SC-CAMLR XXVII/15 (Para 4.3) to ... impact on these seabirds. A summary is provided of the recorded number of mortalities for each fishery ...

   Meeting Document : WG-IMAF-11/11 : Autor(es): C. Heineken and P. Mullins (South Africa)

8. Spatial aggregation of harvesting in Subarea 48.1, in particular during the summer and close to the coast

   ecological or CEMP monitoring in the vicinity. We pose a number of questions, answers to which we believe ...

   Meeting Document : WG-EMM-16/17 : Autor(es): P. Trathan and S. Hill

9. Development of an algorithm designed to assess observer data quality and performance

   observers in their logbooks. A first version of the algorithm was tested on four randomly selected longline ... fishery logbooks. In its current version the algorithm is able to detect and report invalid data formats ... , as well as value inconsistencies through a limited set of logical tests. For each logbook inspected ... , a text report indicating the locations of faulty entries, a set of figures to display length and ...

   Meeting Document : WG-SAM-13/40 : Autor(es): Secretariat

10. Estimation of the biomass of krill in Prydz Bay during January/February 1991 and February/March 1992 using echo integration

    break was in general not a region of relatively high krill abundance. The mean surface density of krill ... between 1981 and 1985 (Higginbottom et al. 1988). The biomass of krill in 3.5 milion km2 of the Prydz Bay ... species other than Euphausia superba in the survey areas (Williams et al. 1983; Ikeda et al. 1984,1986 ... ; Hosie et al. 1988) could not be determined. Author(s):  I. Higginbottom and T. Pauly (Australia) Title ...

    Meeting Document : WG-KRILL-92/23 : Autor(es): I. Higginbottom and T. Pauly (Australia)

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