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1. An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands using CASAL

   representative of the main plateau, where juvenile fish are found, but are of relatively low intensity in effort ... . The annual surveys are spatially representative of the main plateau, where juvenile fish are found ... of the main plateau, where juvenile fish are found, but are of relatively low intensity in effort compared ... age-1 annual recruitment, R0), CVR, was found in sensitivity trials to be largely determined ... within strata that cover the main plateau where juvenile fish are found (Nowara and Lamb, 2007; SC ... replaced here with –log{π(p)} = 0. This is because the estimate of recruitment variability was found ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 1–34 : Author(s): Candy, S.G and A.J. Constable

2. The survivorship of rays discarded from the South Georgia longline fishery

   M. Endicott and D.J. Agnew Renewable Resources Assessment Group Imperial College, Royal School of Mines ... of skate by-catch in the longline fi shery around South Georgia. Although Francis and Smith (2002) found ... the experimental period. 1. 100% expected death after release: • The skate is found to be dead within the 12 ... mortality after release: • The skate is found to be alive at the twelfth hour of observation ... sea surface by the Chilean fishing vessel Isla Sofía in May and June 2003 during the toothfish fishing ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 155–164 : Author(s): Endicott, M. and D.J. Agnew

3. Measurements of differences in the target strength of Antarctic krill (Euphausia superba) swarms at 38 kHz and 120 kHz

   76 RS Ajricana, a 78-m research stem-trawler of the Sea Fisheries Research Institute, Cape Town ... found in discrete swarms which were clearly recorded to at least 200 m on both sounders (e.g., Figures ... be explained by possible experimental error, and which was therefore attributed to real differences ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 75–86 : Author(s): Hampton, I.

4. An assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank (CCAMLR Division 58.4.3b) based on fine-scale catch and effort data

   to the square-root of sample size, and sample sizes themselves can be found in Table 2. results Fishery ... : 251–406. Tukey, J.W. 1977. Exploratory Data Analysis. Addison- Wesley, Reading, Massachusetts. van ... fine-scale catch and effort data held by CCAMLR for BANZARE Bank, as well as descriptive analyses of ... biological data submitted by scientific observers on board vessels in the fishery. Results of a Leslie ... species in catches in one ground for the first time. Incomplete reporting of biological information for by ... -catch species by on-board scientific observers was noted, limiting meaningful analysis of patterns in by ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 55–78 : Author(s): McKinlay, J.P., D.C. Welsford, A.J. Constable and G.B. Nowara

5. Experimental evaluation of the effectiveness of weighting regimes in reducing seabird by-catch in the longline toothfish fishery around South Georgia

   , School of Mines Prince Consort Road London SW7 2BP, United Kingdom A.D. Black Marine Resources ... , operators have found it difficult to fully comply with the line-weighting regime specified in Conservation ... or bricks) spaced at very short intervals. By contrast, in 1998 the weighting regime used by most vessels ... it was found that the high number of feeding attempts made it impossible to accurately record the outcome ... seabird by-catch in the longline toothfish fishery around South Georgia Abstract / Description:  A series ... used. Therefore to minimise seabird by-catch, line-weighting regimes of at least 8.5 kg at 40 m ... intervals should be used. Results suggested that seabird by-catch on lines using effective weighting regimes ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 119–131 : Author(s): Agnew, D.J., A.D. Black, J.P. Croxall and G.B. Parkes

6. Is the attempt to estimate the biomass of Antarctic fish from a multi-species survey appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited

   Fisheries Science Center National Marine Fisheries Service National Oceanic and Atmospheric Administration ... N. rossii were found in low abundance, rarely exceeding 50 kg/30 min over most of the South Georgia shelf ... ). Similar patterns of abundance were found during scientifi c surveys conducted in 1991, 1992, 1994, 1997 ... /76 and again in 1977/78 (Figures 2b and 2c). This concentration was found to be fairly stable over ... was one of the first conservation measures adopted by CCAMLR. Fish biomass within a CCAMLR subarea or ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 141–153 : Author(s): Kock, K.-H., M. Belchier and C.D. Jones

7. Some comments on the procedure for testing estimators of krill abundance which utilise survey data

   Town, Rondebosch 7700, South Africa Sea Fisheries Research Institute, Private Bag X2, Roggebaai 8012 ... ) The results for this two-parameter version of the model can be found in the column headed: 'Model ... spatial correlation by placing krill swarms at random within larger aggregation features termed ... 1981 FIBEX survey by MV SA Agulhas. However, evidence of model misspecification remains. Further work ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 191–205 : Author(s): Butterworth, D.S., D.L. Borchers and D.G.M. Miller

8. A simple approach for calculating the potential yield of krill from biomass survey results

   . * Department of Applied Mathematics, University of Cape Town, Rondebosch 7700, South Africa ** Renewable ... for M, the multiplicative factors required to modify the values of A reported below can be found by a simple deterministic ... 0.2. (ix) Repeat steps (iii) to (viii) a large number of times (1 000 simulations was found ... of A until one is found which yields the result P = 0.1. This A value is the result required. [For reasons ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 207–217 : Author(s): Butterworth, D.S., A.E. Punt and M. Basson

9. Possible effects of different levels of krill fishing on predators – some initial modelling attempts

   Department of Applied Mathematics, University of Cape Town Rondebosch 7700. South Africa R.B. Thonnson ... Department of Zoology, University of Cape Town Rondebosch 7700, South Africa Abstract An initial ... , equation (3) is subsuming them into the natural mortality of krill used again with Ny replaced byRY, i.e ... suggested by the Joint Meeting of CCAMLR's Working Group on Krill (WG-Krill) and Working Group for the ... as functions of krill abundance, by considering a krill dynamics model incorporating recruitment ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 79–97 : Author(s): Butterworth, D.S. and R.B. Thomson

10. Fitting Euphausia superba into Southern Ocean food-web models: a review of data sources and their limitations

    when scalingup food-web models and their parameterisations, either from individual to schooling krill ... to schooling krill, or from one region to another. ... zooplankton. They have schooling behaviour that gives rise to very large swarms and a patchy dis- tribution ... and their parameterisations, either from individual to schooling krill, or from one region to another. 221 Fitting ... , 2008). They have also been found in the diets of benthic predators (Dearborn et al., 1991; Main ... : small habitat Volume but sometimes kr ill  found in  swarm densi ties Fig. 2 CCAMLR Surveys (Table ...

    Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 219–245 : Author(s): A. Atkinson, S. Nicol, S. Kawaguchi, E. Pakhomov, L. Quetin, R. Ross, S. Hill, C. Reiss, V. Siegel, G. Tarling (submitted to the 2008 Joint CCAMLR-IWC Workshop)

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