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

   zooplankton. They have schooling behaviour that gives rise to very large swarms and a patchy dis- tribution ... ) may reduce this problem, but such analyses yield climatologies rather than synoptic pictures of dis ... valuable resource (Nicol et al., 2011); and (iii) the species is associated with sea-ice for its early ... ) and relatively long lived (up to 7 years), can swim fast and maintain their position in the ocean, unlike ... of each method of sampling krill, i.e. with nets (for historical time series, demographic information ... with sea-ice and diet. Whether this reflects ‘subpopulations’ with regionally specific life cycles is ...

   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)

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

   simulation of releases by box over multiple years. The model performed as expected with test situations ... years. The model performed as expected with test situations. It produced a near-perfect estimate ... , so the dis- tance across a box following the contour (approxi- mated by a straight line ... , arbitrary scale) M od el le d N (n um be r o f t ag s di st rib ut ed to e ac h bo ... 000 M od el le d N (n um be r o f t ag s di st rib ut ed to e ac h bo x) 400 ... mortality. In step 2, the expected number of tagged fish that would have died of natural mortality ...

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

3. Assessing the power to detect systematic change in Adélie penguin foraging trip duration

   as a covariate to explain between-year variation in trip duration increased the power to detect change ... as a covariate to explain between-year variation in trip duration increased the power to detect change ... Paper Title:  Assessing the power to detect systematic change in Adélie penguin foraging trip ... duration Abstract / Description:  Models of variability in Adélie penguin foraging trip durations were ... and post- impact year means, then post prey y− is normally dis- tributed with mean δ and variance ... trip durations were constructed and fitted to data collected at Béchervaise Island over a 12-year ... of 5%. The strategy of including ice cover as a covariate to explain between-year variation in trip duration ... of variation in penguin foraging trip dura- tion and the use of a 12-year dataset from Adélie penguins ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 201–215 : Author(s): Southwell, C., J. Clarke and L.M. Emmerson

4. Breeding numbers and success of Eudyptes penguins at Marion Island, and the influence of mass and time of arrival of adults

   chrysolophus) over 26 years, as there was also for eastern rockhopper (E. chrysocome filholi) over 22 years ... at study colonies of macaroni penguins (Eudyptes chrysolophus) over 26 years, as there was also for eastern ... rockhopper (E. chrysocome filholi) over 22 years, suggesting that overwintering conditions may influence ... because they are dis- crete and of relatively small size, enabling accurate counts to be undertaken from ... (Pachyptila belcheri and P. desolata) have substantial overlap in their diets while breeding, but have dis ... chrysolophus) over 26 years, as there was also for eastern rockhopper (E. chrysocome filholi) over 22 years ... of Environmental Affairs and Tourism Private Bag X2 Rogge Bay 8012, South Africa R.J.M. Crawford, J. Cooper ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 175–190 : Author(s): Crawford, R.J.M., B.M. Dyer, J. Cooper and L.G. Underhill

5. The use of patent databases to predict trends in the krill fishery

   of, the patented tech- nology for 20 years (IP Australia, 2010); similar provisions apply in other countries ... ) there was an increasing trend in the later years for non-traditional fishing nations to be involved (iv) the majority ... trend in the later years for patents directed at using krill for medical purposes. This paper ... by most patent active countries, in year groups. 0 10 20 30 40 50 60 70 1976-1986 1987-1998 1999 ... / Description:  The fishery for Antarctic krill (Euphausia superba) caught 210 000 tonnes in 2009/10 with ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 135–144 : Author(s): Foster, J., S. Nicol and S. Kawaguchi

6. A study of Patagonian toothfish (Dissostichus eleginoides) post-tagging survivorship in Subarea 48.3

   percentage of animals in poor condition died. The Argos Helena also had a rela- tively low survival rate ... 94 Isla Santa Clara 16 100 Viking Bay 12 92 pa rt ia l f or fi sh .c on di tio n 0 5 10 ... l f or fi sh .c on di tio n 0 5 10 fish.condition 1g oo d 2a ve ra ge 3p oo r fish.length.cm ... 1000 1200 1400 1600 -2 -1 0 1 2 3 P ar tia l f or fi sh c on di tio n Fish condition Fish ... . Toothfish were kept in tanks with seawater replacement for at least 12 hours after tagging. On one vessel ... , fish with a variety of injuries were selected to see if this affected recovery. In the final analysis ... , 396 animals were included, with an overall survivorship of 90%. Smaller animals and animals in better ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 279–289 : Author(s): Agnew, D.J., J. Moir Clark, P.A. McCarthy, M. Unwin, M. Ward, L. Jones, G. Breedt, S. Du Plessis, J. Van Heerdon and G. Moreno

7. Abundance, size and maturity of krill (Euphausia superba) in the krill fishing ground of Subarea 48.1 during the 1990/91 austral summer

   expected until early February 1991. As for maturity stages of krill, spawning krill (modal body length 49 ... been lower than expected until early February 1991. As for maturity stages of krill, spawning krill ... the mean were calculated from: CL(di) = ± t (Ni -1,0.05)~Var(di) where di = mean density for i-th zone ... of the biomass were given by: Var(Bi) = A/Var(di), CL(Bi) = ± t(Ni -1,0.05)~Var(Bi) 188 where Bi ... 342 g/m2 in 21 January 1988). Later in this season (late February to early March) krill biomass ... early February 1991. As for maturity stages of kriU, spawning krill (modal body length 49 mm) were ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 183–199 : Author(s): Ichii, T., H. Ishii and M. Naganobu

8. By-catch, growth and feeding of Antarctic juvenile fish taken in krill (Euphausia superba Dana) fisheries in the South Georgia area, in 1992

   and early life history relevant to monitoring year-class strength and recruitment. In: Selected Scientif ... of juvenile fish. eastern shore of the islands (Everson et al., 1991). Their results also show ... of the fishing fleets of other countries becomes available. Unfortunately, we could not use the arithmetic ... indicated that they had been spawned the previous year (in May and June, according to Burchett et al ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 129–142 : Author(s): Pakhomov, E.A. and S.A. Pankratov

9. Foraging behaviour and reproductive success in chinstrap penguins: the effects of transmitter attachment

   method with which to monitor foraging trip duration in penguins by the CCAMLR (Commission ... on: (i) the effects of radio transmitter attachment on nest attendance, foraging trip duration, nest failure ... between trip durations obtained by applying the transmitters to one or both members of a breeding pair ... trip duration in penguins by the CCAMLR (Commission for the Conservation of the Antarctic Marine Living ... test) showed that fewer trips were made during the early brood period than both the mid- and late ... with Transmitters Early Brooding: Trip 13.4 14.7 14.6 17.1 (6.0, 99) (4.7, 16) (6.0, 16) (9.6, 15) Visit ... with which to monitor foraging trip duration in penguins by the CCAMLR (Commission for the Conservation ... on: (i) the effects of radio transmitter attachment on nest attendance, foraging trip duration, nest failure ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 291–303 : Author(s): Croll, D.A., J.L. Bengtson, P.L. Boveng, M.E. Goebel and J.K. Jansen

10. An assessment of toothfish in Subarea 48.3 using CASAL

    size. In the early years (1985–1995) only fleet-based measurements were available, and these were ... –1 (n = 329, maxi- mum time at liberty = 5.5 years). The probability of both tags being lost was therefore ... to the early and later CPUE series are shown. The fit to the early CPUE data is especially poor. This is also ... , with no strong or weak cohorts moving through the data – espe- cially not in the later years. However ...

    Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 65–95 : Author(s): Hillary, R.M., G.P. Kirkwood and D.J. Agnew

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