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1. Distribution of mackerel icefish (Champsocephalus gunnari) (Channichthyidae) around South Georgia at various stages of its life cycle

   . During this period C. gunnari undertakes diurnal vertical migrations into pelagic waters, being found ... in the Shag Rocks area (Frolkina, 2001). The eastern group differs signifi cantly from the western group ... (excluding the spawning period). At that time the two groups mix. In general, the largest fi sh ... , 2001). For reasons as yet unknown, this could be linked to an absence of fi sh migration from ... fish were found to be distributed throughout the water column at all times of the day, but they also ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 49–69 : Author(s): Frolkina, Zh.A

2. An iterative model to construct an age/length key to assess the age composition of a new fishery for Dissostichus eleginoides in Chilean waters

   estimation of age composition of catch requires that age/length data and random length frequency have been ... could be biased. By using an iteration algorithm it is possible to overcome this limitation. The age ... composition of catch for Dissostichus eleginoides was obtained with the application of a single age/length key ... that age distribution derived from the model is not significantly different from the one obtained by ... estimation of age composition of catch requires that age/length data and random length frequency have been ... could be biased. By using an iteration algorithm it is possible to overcome this limitation. The age ... composition of catch for Dissostichus eZeginoides was obtained with the application of a single age/length ... that age distribution derived from the model is not significantly different from the one obtained by ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 11–20 : Author(s): Robotham, V. H. and Z. Young U.

3. Distribution, morphology and ecology of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) in the Ross Sea region

   (M. caml) and 4.1–4.3 (M. whitsoni), consistent with one or both of these species being a main prey ... of these species being a main prey of Antarctic toothfish. ... ) and 4.1–4.3 (M. whitsoni), consistent with one or both of these species being a main prey of Antarctic ... toothfish. Pinkerton et al. 38 al., 2012a). These studies probably represent a mix- ture of the two ... Bertalanffy growth curves for the mix- ture of Macrourus spp. from Marriott et al. (2006) seemed inconsistent ... , freezing and rethawing. Macrourus caml (females, at least) were relatively stout, being about 20% heavier ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 37–61 : Author(s): Pinkerton, M.H., P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown

4. Differentiation of independent populations of Antarctic krill

   circulation. On the basis of the review, it is suggested that there is probably one composite population of E ... -populations is expected to correspond with the number of quasi-stationary cyclonic water circulations. At ... present, at least six stable cyclonic water circulations can be found and at least two or three of them ... may be habitats of independent krill sub-populations. A proposal is given for future studies into ... that in the Southern Ocean there is only one cyclonic circulation with its centre in the Weddell ... with five pairs of pleopods without setae). It is assumed that this path of development corresponds ... Weddell Drift, Le. is a part of the circulation in the Weddell Sea. It will be recalled that there are ... three of them may be habitats of independent krill populations. The possibility that conditions for ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 275-281 : Author(s): USSR

5. 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)

   than 120 cm TL with very few fish recorded as being less than 100 cm. The southern sample differs ... , the imbalance being most evident in the 2000/01 and 2003/04 seasons. Over all seasons, however, males ... limited data col- lected during April and May of the 2000/01 and 2001/02 seasons. Fish condition ... in the north took place in March 2001, March and December 2002, February and December 2003, December 2004 ... . Dissostichus mawsoni samples from the northern part of the Ross Sea showed that this component of the ... with the southern group (in which the distribution was multimodal), showed a consistent and ...

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

6. Demographic characteristics of the Adélie penguin population on Béchervaise Island after 12 years of study

   was commenced in 2001; this paper presents results of these analyses and extends the initial demographic ... from 1990/91 to 2001/02. The Adélie penguin colony on this island consists of approximately 2 000 ... and 2001/02. Thus individuals initially tagged at Béchervaise Island and later found breeding on other ... period (mid-November) were determined for each of the breeding seasons from 1990/91 to 2001/02. Counts ... /decline rates of the Adélie penguin population at Béchervaise Island were found to be more sensitive to ... parameters. Results are discussed in comparison with data from a declining Adélie penguin population in the ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 53–74 : Author(s): Clarke, J., L.M. Emmerson, A. Townsend and K.R. Kerry

7. Sexing of adult Adélie penguins by discriminant analysis of morphometric measurements

   been determined earlier by means of observing the birds' breeding behaviour (first incubation ... incubation shift). It was found that the combination of flipper breadth, bill depth and length of the middle ... are very useful but during the breeding season they can be applied only after egg-laying. In many ... studies it would be necessary to know the sex of penguins on their arrival at the breeding colony. A ... "Standard of Birds' Measurements" proposed by Baldwin et al. (1931) with some modifications suggested by ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 543–549 : Author(s): Scolaro, J.A., Z.B. Stanganelli, H. Gallelli and D.F. Vergani

8. Preliminary model of krill fishery behaviour in Subarea 48.1

   between krill fishing vessels and krill swarms, with one of the objectives being to investigate indices ... restricted to the four months December to March, compares favourably with the historical distribution of ... Elephant Islands. The model predicts that the management option of closing the zones around Livingston and ... Elephant Islands in alternate years would result in an average yearly catch similar to that at present ... . However, in this scenario, the catch would be more concentrated in foraging areas of land-based predators ...

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

9. Some thoughts on precautionary measures for the krill fishery

   on the potential yield model developed by the CCAMLR Scientific Committee's Working Group on Krill (WG-Krill ... indication of how much krill is being taken from 'fine-scale rectangles', half a degree of latitude ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 1–11 : Author(s): Everson, I. and W.K. de la Mare

10. Integrating Count Effort by Seasonally Correcting Animal Population Estimates (ICESCAPE): a method for estimating abundance and its uncertainty from count data using Adélie penguins as a case study

    in detection, availability or sampling fractions being other than unity. However, despite the need ... and so are less often obtained. This difficulty is now being addressed through technical develop- ments ... , 2008). Patterns in availability will vary depending on the popula- tion unit being counted (adults ... of the breeding population unless adjusted for availability bias, with the mag- nitude of bias being dependent ... animal count data to a common reference point of breeding chronology for species with a complex temporal ... Population Estimates) is a suite of routines that implements a general abundance estimator accounting for ... reported measures of uncertainty associated with originally published counts are propagated through to the ... -specific estimates to be aggregated to achieve region-scale population estimates. By way of illustration ...

    Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 213–227 : Author(s): McKinlay, J., C. Southwell and R. Trebilco

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