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1. Discrimination of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) using otolith morphometrics

   fishery in the Ross Sea region is comprised of two species, rather than being solely Macrourus whitsoni ... , was recognised in 2010 with the identification of a new species, M. caml. Grenadier are the main by ... the abundance of toothfish reduces. In order to improve information on the spatial distribution, age ... otolith morphometrics Abstract / Description:  That the predominant by-catch of grenadier by the toothfish ... Grenadiers (Family Macrouridae) are taken as by-catch in many of the toothfish fisheries in the Southern ... (Stevenson et al., 2014). Grenadiers are also a major prey species of Ant- arctic toothfish in the region ... stomachs of Antarctic toothfish in the Ross Sea region were considered to be almost exclusively ... Year Census of Antarctic Marine Life (IPY- CAML) voyage in 2008 led to the identification of a new ...

   Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 15–28 : Autor(es): Pinkerton, M.H., C. Ó Maolagáin, J. Forman and P. Marriott

2. Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean.

   of antifreeze in the former species. Dissostichus eleginoides showed a resting stage in sexual ... latitudinal patterns in sexual maturity and size composition. The study indicates that the management of ... shallower banks (<1 000 m), while D. mawsoni was caught on deeper slopes (>1 500 m). Separation of the ... two species by depth may be related to physical intolerance to cooler temperatures because of the lack ... Antarctic coastal areas west of 90°E (mainly in Division 58.4.2). The mean GSIs of 6.52 for males and ... the lack of antifreeze in the former species. Dissostichus eleginoides showed a resting stage in ... over spe- cies identity in some areas, notably Elephant Island (Gon and Heemstra, 1990). One of the ... Plateau in the Indian Ocean, commenced in the 2003/04 season under the aus- pices of CCAMLR (SC-CAMLR ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 145–153 : Autor(es): Taki, K., M. Kiyota, T. Ichii and T. Iwami

3. Age and growth of Antarctic euphausiacea (crustacea) under natural conditions

   regressions. No difference in growth of krill was observed between the Antarctic Peninsula area and the ... Abstract / Description:  Five species of Antarctic euphausiid crustaceans were studied from the Antarctic ... years for the krill Euphausia superba. Growth in length and weight was calculated by non-linear ... shorter life span than females, while their growth rate is similar. A short description of the life cycle ... difference in growth of krill was observed between the Antarctic Peninsula area and the eastern Weddell Sea ... Five species of Antarctic euphausiid crustaceans were studied from the Antarctic Peninsula and the ... than females, whlle their growth rate is similar. A short description of the life cycle and ... generation time of each species is given. In general, Antarctic euphausiids seem to remature and spawn at ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 369-370 : Autor(es): Siegel, V.

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

   include krill in food-web models and to guide modellers to key sources of data. It describes the strengths ... . Temporally, the intense (order of magnitude) interannual variability in krill population size within the ... are still not yet confident which are the major predators of krill but studies increasingly suggest ... Paper Title:  Fitting Euphausia superba into Southern Ocean food-web models: a review of data ... tend to concur that mean krill den- sity and recruitment strength declined in the latter decades of ... superba). This is because (i) they have an important role in the food web of parts of the Southern Ocean ... (order of magnitude) interannual variability in krill population size within the southwest (SW) Atlantic ... ). They have also been found in the diets of benthic predators (Dearborn et al., 1991; Main and Collins ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 219–245 : Autor(es): 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)

5. Age and growth of spiny icefish (Chaenodraco wilsoni Regan, 1914) off Joinville–D’Urville Islands (Antarctic Peninsula)

   in moulds. The precision of age estimates between readings was tested applying both the average ... , although it had a much shorter life span. The part of the population of C. wilsoni caught in the study area ... Islands (Antarctic Peninsula) in February–March 2006 and January 2007. A total of 218 specimens were ... selected for the study, consisting of 120 females and 98 males. The age of fish was estimated by counting ... obtained by grinding and polishing whole otoliths embedded in epoxy resin in moulds. The precision of age ... population of C. wilsoni caught in the study area consisted mainly of adult individuals between 1 and 3 ... Antarctic Peninsula (CCAMLR Statistical Subarea 48.1) in the western Atlantic Ocean sector of the Southern ... subsequently as a baseline study for further monitoring of the devel- opment of fish stocks in the area (Jones ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 115–130 : Autor(es): La Mesa, M., A. De Felice, C.D. Jones, K.-H. Kock

6. Size at sexual maturity of Patagonian toothfish (Dissostichus eleginoides)

   (Dissostichus eleginoides) caught in the commercial fishery within Subarea 48.3. The results for 1996 indicate ... that L m50 occurs at 78.5 cm total length for male and 98.2 cm for female fish. In 1997 the results for ... male fish were essentially the same. For female fish there is evidence that in 1997 a significant ... bias leading to the overestimation L m50 of  calculated by conventional methods. Further analysis ... the same. For female fish there is evidence that in 1997 a significant proportion, 25 to 43%, of ... that Lm50 for female fish in 1997 was no different to that for 1996. The implications of this ... leading to an enlarged ovary of about 20% of the fish total mass. Spawning occurs in the period July to ... of this analysis. The data used in this analysis were total length, sex and maturity stage ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 37–46 : Autor(es): Everson, I. and A.W. Murray

7. On reproduction of Electrona carlsbergi (Tåning)

   of the Southern Ocean. From materials available it has been ascertained that E. carlsbergi spawns in ... presents results from histological examinations of gonads of Electrona carlsbergi from the Atlantic sector ... the notal waters. Maturation of females begins when body length reaches 76 to 78 mm. Vitellogenesis is ... . Maturation of ovaries is continuous, and spawning is serial. The spawning season is long and coincides with ... it has been ascertained that E. carlsbergi spawns in the notal waters. Maturation of females begins ... species coincides with the notal zone. A study of gonads in female E. carlsbergi from the Antarctic ... species spawns, specifying the type of area in which it reproduces and delineating zones of its ... expatriation. Results of the study are presented in this paper. 2. MATERIALS AND METHODS Observations were ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 397–409 : Autor(es): Mazhirina, G.P.

8. Depth distribution and spawning pattern of Dissostichus eleginoides at South Georgia

   Abstract / Description:  Trends in mean length and maturity stage of Patagonian toothfish (Dissostichus ... water, and are concentrated to the northeast of Shag Rocks. Few spent fish were found around South ... Georgia. This concentration of large post-spawning fish may have some implications for the management of ... significant pattern of changing mean length at depth with month was detected, suggesting movement of animals ... form of the relationship between depth and mean length in August, when the mean length at shallow ... seen in the GAM. Plots of mean length by depth and time are shown in Figure 3. For this purpose mean ... mask the movements of individual fish, however, in that each point is a mean length, taken to ... length of fish in each haul (cm), against mean depth (m), month, area and vessel. The value, standard ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 19–36 : Autor(es): Agnew, D.J., L. Heaps, C. Jones, A. Watson, K. Berkieta and J. Pearce

9. Feeding and food intake of Electrona carlsbergi (Tåning, 1932) Myctophidae

   . carlsbergi during the year in the waters to the south of the Antarctic Convergence is about 15 times fish ... by various methods was from 3.7 to 5.6% of fish body weight. The amount of food consumed by E ... Paper Title:  Feeding and food intake of Electrona carlsbergi (Tåning, 1932) Myctophidae Abstract ... / Description:  In summer and autumn Electrona carlsbergi feeds mainly on copepods. Daily food intake estimated ... Romanova method (1958). The mean rate of food digestion estimated by means of evaluating changes in ... fish body weight. The amount of food consumed by E. carlsbergi during the year in the waters to the ... carlsbergi (Tdning) is one of the most abundant species of the Myctophidae family living in the Southern ... in different parts of the Southern Ocean. (Kozlov, Tarverdieva, 1989; Oven et al., 1990; Tarverdieva ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 411–416 : Autor(es): Gerasimova, O.V.

10. Characteristics of krill swarms from Prydz Bay

    Paper Title:  Characteristics of krill swarms from Prydz Bay Abstract / Description:  The ... CCAMLR.AUS dataset available to the Subgroup on Survey Design was derived from a survey of Prydz Bay ... inter-swarm length were calculated for swarms of euphausiids encountered along a 78 km transect over the ... Euphausia crystallorophias. An increase in swarm length was seen with increasing distance from the coast ... parameters are given in Table 1. The mean swarm length of 24 m and BSD of 83 m indicate that the pattern of ... of the swarm characteristics it describes. The dataset used in this analysis is relatively short ... seen over the continental shelf in Prydz Bay in December 1990. The placement of the transect, close to ... ) integrated in 25 m depth intervals over a 225 m range. The raw data were submitted to CCAMLR for the use of ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 177–189 : Autor(es): Agnew, D.J. and I.R. Higginbottom

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