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1. Factors that may influence the accuracy of abundance estimates from CCAMLR tag-recapture programs for Dissostichus spp. and best practice for addressing bias

   cases, examples of at-sea or model-based approaches are available from established Dissostichus spp. tag ... Paper Title:  Factors that may influence the accuracy of abundance estimates from CCAMLR tag ... Lincoln-Petersen equation, the simplest form of an abundance estimator using tag-recapture data, was used ... -recapture programs to reduce these biases. Estimates of post-capture mortality, tag-detection rates and ... spp. are also summarised. In nearly all cases, examples of at-sea or model-based approaches are ... : (i) initial capture, tagging and release of fish (ii) the period while tagged fish are at liberty ... of the centralised database at the CCAMLR Secretariat (CCAMLR Secretariat, 2011; Dunn and Middleton ... program while tagged fish are at liberty and their impact on parameters of the Lincoln-Petersen equation ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 63–72 : Autor(es): Welsford, D.C. and P.E. Ziegler

2. Geographical differences in the condition, reproductive development, sex ratio and length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Subarea 88.1)

   length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR ... Subarea 88.1) Abstract / Description:  A number of morphological and reproductive measurements made ... to 2004/05 fishing seasons on board the autoliner San Aotea II have been analysed. Results of this ... study indicate measurable differences in a number of indices from toothfish found on the Ross shelf ... . mawsoni suggesting that 50% of Fenaughty 30 the population of both sexes is mature at 100 cm TL ... the southern samples remains consistently at a lower level than that of the northern ones until at ... between at least these two broadly defined areas. The predominance of sexually mature fish in the north ... vitellogenesis means that sexually mature female fish will have ovaries with yolked oocytes at all times of the ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 27–45 : Autor(es): Fenaughty, J.M

3. Analysis of trends in Japanese krill fishery CPUE data, and its possible use as a krill abundance index

   Paper Title:  Analysis of trends in Japanese krill fishery CPUE data, and its possible use as a ... Japanese krill fishery for the 1980/81 to 2003/04 fishing seasons were analysed. For a number of ... definitions of effort and catch-per-unit-effort (CPUE), variables were modelled using linear mixed models in ... order to obtain time series of predicted intra- and interannual trends of standardised fishery indices ... stable trend, with a slight increasing trend at the beginning of the fi shing season, but there is ... rm that CPD and/or CPT as an index of density saturates at higher density levels. However, the ... the early days of the fi shery; a variation range of only 1.6 at most. TTPD varied up to 13-fold ... of 150, and declined beyond this point. Zero values (CPT, CPD and CPTT) were observed at 160 CPST ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 1–28 : Autor(es): Kawaguchi, S., S. Candy, S. Nicol, K. Taki and M. Naganobu

4. Indices of prey availability near the Seal Island CEMP site: 1990 to 1996

   surveys each year were subsampled to include the foraging range of predators breeding at Seal Island ... Paper Title:  Indices of prey availability near the Seal Island CEMP site: 1990 to 1996 Abstract ... / Description:  Four indices of prey availability are calculated from surveys conducted in the vicinity of the ... Seal Island CEMP site during the austral summers of 1990 to 1996. The indices are measures of average ... to include the foraging range of predators breeding at Seal Island. Indices derived from these data ... composition at a spatial scale of tens of kilometres. Survey designs, including station positions and ... 100 m. This was assumed to be the foraging space of krill predators that breed at Seal Island ... and 1993) or hull-mounted at 5 m depth (1994 to 1996), were passed to a Indices of Prey ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 37–45 : Autor(es): Hewitt, R.P., G. Watters and D.A. Demer

5. Biogeographic patterns of benthic invertebrate megafauna on shelf areas within the Southern Ocean Atlantic sector

   Paper Title:  Biogeographic patterns of benthic invertebrate megafauna on shelf areas within the ... Southern Ocean Atlantic sector Abstract / Description:  Bioregionalisation of Antarctic and Southern Ocean ... shelf communities ideally incorporates a range of data on physical, environmental and biological ... properties. Analysis of the benthic invertebrate megafaunal assemblages of shelf habitats within the Atlantic ... meet and mix in this region. Evident at smaller spatial scales are the effects of disturbance regimes ... . Knowledge of spatial character- istics of Antarctic benthic assemblages at fine- and meso-scales can also ... Figure 2(a). Sampling at the South Orkney Islands was carried out in March 1999, and consisted of 64 ... area of sampled seabed at each station was determined by the latitude/longitude coordinates taken ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 167–192 : Autor(es): Lockhart, S.J. and C.D. Jones

6. A declining trend in the abundance of Notothenia rossii marmorata and Notothenia gibberifrons observed in fjords in two sites in the South Shetland Islands

   Paper Title:  A declining trend in the abundance of Notothenia rossii marmorata and Notothenia ... trend observed in the abundance of Notothenia rossii marmorata and Notothenia gibberifrons in fjords in ... as significant. The material for the current study was obtained with trammel nets at Potter Cove ... , King George/25 de Mayo I., over a period of eight years from 1983 to 1990 and in waters around Half ... principios de los afios 80. 1. INTRODUCTION At the Eighth Meeting of the Scientific Committee the ... from 5 to 35m. Since sampling was not aimed at monitoring the abundance of fjord-fish, fishing effort ... individuals were mainly juvenile, with a limited number of adults. This catch composition, found at a water ... . Figure 3 shows the yearly total catches of N. rossii marmorata and N. gibberifrons at Potter Cove ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 263–274 : Autor(es): Barrera-Oro, E. and E. Marschoff

7. Distribution characteristics of krill aggregations in the fishing ground off Coronation Island in the 1989/90 season

   catchability rates of the trawls used at different times in the life of the fishery. File:  04-Kasatkina-and ... Paper Title:  Distribution characteristics of krill aggregations in the fishing ground off ... Coronation Island in the 1989/90 season Abstract / Description:  Distributional characteristics of krill ... biological condition of krill and the performance of the fishery. Investigations were carried out from ... trawls used at different times in the life of the fishery. Resume Les caracteristiques de la ... . Relative error of mean catch per hour of trawling is ; (iilQlhr) = ± le (aQ + at] 1ft - - ~ Il\ where ... per haul; ~ = mathematical expectation of catch per haul; at = standard deviation of the duration ... was calculated at P = 0.116. Catch per hour of trawling increased to rn(Q/hr) = 7.5 tonnes. Catch per ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 49–73 : Autor(es): Kasatkina, S.M. and V.I. Latogursky

8. Preliminary model of krill fishery behaviour in Subarea 48.1

   Paper Title:  Preliminary model of krill fishery behaviour in Subarea 48.1 Abstract / Description ... :  A simple model of the behaviour of the krill fishery in FAO Statistical Subarea 48.1 (South Shetland ... Islands and Antarctic Peninsula) is described. Parameters of the model are calculated from Chilean fishery ... data over the period 1989 to 1992. The distribution of catches predicted by the model, which is ... at present. However, in this scenario, the catch would be more concentrated in foraging areas of ... currently at least three-times lower than estimates of predator consumption in the same area (Agnew, 1992 ... predators on these islands, is also shown in Table 2. The effect of the high CPUE at Elephant Island can ... CCAMLR Science, Vol. 1: 71-79 PRELIMINARY MODEL OF ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 71–79 : Autor(es): Agnew, D.J. and V.H. Marín

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

   continental shelf out to the edge of the shelf break at about 600–800 m depth). The focus is on D. mawsoni ... Paper Title:  Distribution and relative abundance of Antarctic toothfish (Dissostichus mawsoni) on ... the Ross Sea shelf Abstract / Description:  This paper summarises knowledge of the distribution and ... relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf (defined here as the ... out to the edge of the shelf break at about 600–800 m depth). The focus is on D. mawsoni catches from ... et al., 2008). There have also been a large number of studies looking at aspects of Antarctic ... abundance of D. mawsoni on the Ross Sea shelf Sea (e.g. Ainley and Siniff, 2009; Ainley et al., 2009). At ... defined as the continental shelf out to the edge of the shelf break at about 600–800 m depth (mainly ...

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

10. Selectivity of standard Polish commercial trawl codends on Antarctic fishing grounds

    icefish and bumphead notothenia. The solution to the problem of ensuring selectivity of codends at a ... Paper Title:  Selectivity of standard Polish commercial trawl codends on Antarctic fishing grounds ... Abstract / Description:  Selectivity studies were carried out for two types of steelon codends used in ... commercial fishery, with a nominal mesh size A = 80 mm and A = 100 mm, made of double twines with a thickness ... notothenia. 3. The solution to the problem of ensuring selectivity of codends at a sufficiently good level ... codend were carried out in the upper part of the codend at a distance of not more than 2 m from the ... , at a preliminary tension of the mesh with a force of 4 kg. The size of mesh size was calculated as ... species analyzed should be present in the haul in a quantity of at least 3% of total haul weight, • the ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 107-142 : Autor(es): Zaucha, J.

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