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1. A functional division of Electrona carlsbergi (Tåning, 1932) area of habitat in relation to the latitudinal zonation of the Southern Ocean

   in the Southern Atlantic along two meridional transects at 17° and 20°W in the latitudes from 37°30' to 55°30 ... survey was conducted in the Southern Atlantic along two meridional transects at 17° and 20° ... 'S. The survey was mainly focussed on studies of distribution of adult and pre-spawning Electrona ... and Subtropical Frontal Zone. The centre of the species' area of habitat is in the Sub-Antarctic Zone because ... 6: PHCYHOK 7: PHCYHOK 8: rpaHH~bl mHpoTHblX 30H: CT3 - cy6TpOnH1.J:ecKa~ 30Ha; CT3 - cy6TpOnH1.J:ecKa ... mesopelagic fish of the Southern Ocean (Lubimova et al., 1983 a, b). One of the most promising ... still far from the spawning stage are encountered individually in this zone (e.g., one specimen ... into consideration. The number of fish at one or another stage of maturity (as a percentage of the total number ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 369–395 : Author(s): Zemsky, A.V. and S.A. Zozulya

2. Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic Peninsula region

   one summer season was roughly estimated as two times from which follows a maximum total effective ... of water masses and krill biomass within one summer season was roughly estimated as two times from which ... and resulted a rate of Z = 0.88 (1989/90) and Z = 0.96 (1987/88). Production was estimated and resulted ... a P/B ratio of 0.88 to 0.94 for different years. The exchange rate of water masses and krill biomass within ... undetected age class - although these would be very rare ones and strongly overlapping in size. The total ... model was taken as an alternative way. This involves examining the age structure of the stock at one ... is represented by one age group and the reproductive period is of limited duration) can be calculated ... and Townsend (1984) also included more than one age group, which would lead to an overestimation ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 159–176 : Author(s): Siegel, V.

3. Results of fish stock assessment survey, South Georgia region, November - December 1986

   /85 year classes. Coefficients of variation ranged from 67.9% (Notothenia squamifrons) to 12.6 ... than 1984/85, probably due to good recruitment of 1983/84 and 1984/85 year classes. Coefficients ... and 20 cm (Figure 5) would correspond to age groups 1-3, respectively; a mode expected near 26 cm (age ... 4) is not evident; and the peak at 38 cm would correspond to age 8 fish (1978;79 year class) (Boronin ... age 3-5 fish, with relatively few age 6-8 year olds (25-29 cm). The peak at 37-38 cm would ... then correspond to age 12 fish, the 1974;75 year class. Biomass at Shag Rocks was relatively low (400 mt ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 143-183 : Author(s): Gabriel, W.L.

4. 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 ... rastrospinosus exhibit a lower tendency to pass through meshes of the codend than Antarctic icefish and bumphead ... Selectivity studies were carried out for two types of steelon codends used in commercial fishery ... size of 100 mm resemble those in the 80 mm codend (Table 3). During the study, due to a failure, one ... for 80 mm mesh and one for 100 mm codend .(Figure 9). A set of selection coefficients was calculated ... in a more precise, comparative way, two ogives were presented in Figure 10, one for each type of codend ... construction. In reality both codends had somewhat different mesh sizes than nominal ones, which ...

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

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

   were kept in tanks with seawater replacement for at least 12 hours after tagging. On one vessel, fish ... replacement for at least 12 hours after tagging. On one vessel, fish with a variety of injuries were selected ... were included, with an overall survivorship of 90%. Smaller animals and animals in better initial ... survivorship of 90%. Smaller animals and animals in better initial condition had a higher survivorship than ... Georgia installed one or two tanks with which to test post-tag survivorship. These tanks were either ... ), this is probably lower than one would expect in normal tagging operations, when only animals in good condition ... A study of PAtAgoniAn toothfish (Dissostichus eleginoiDes) Post-tAgging survivorshiP in subAreA 48.3 ... for at least 12 hours after tagging. On one vessel, fish with a variety of injuries were selected to see ...

   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

6. Krill biomass in Area 48 and Area 58: recalculations of FIBEX data

   in TS at 50 kHz, the frequency used by Walther Herwig for surveying one of the largest areas ... that the FIBEX survey was limited to only one season and was carried out over a decade ago. In contrast ... 3S'W 30'W 2S'W 20'W 1S'W r-------------------------~------------~------t_SO'S ...... 00 ... and Proressor Sledleckl MERCATOR PROJECTION .".,. 00 '1" ~ W c::: ~ P=l ;::J rJ) 30'W 2S'W 20 ... Green et al. (1990). The new estimates were on average 4.76 times larger than the old estimates for ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 157–181 : Author(s): Trathan, P.N., D.J. Agnew, D.G.M. Miller, J.L. Watkins, I. Everson, M.R. Thorley, E. Murphy, A.W.A. Murray and C. Goss

7. Observation of seabirds in the Southern Ocean in 1988/89

   :00, 16:00 and 20:00 ship-time, while sailing between Antarctic stations and while en route to ports ... at 8:00; 12:00, 16:00 and 20:00 ship-time, while sailing between Antarctic stations and while en route ... did not exceed one or two. A slight increase of wandering albatrosses to the north was observed ... . The giant petrel (Macronectes giganteus) was practically always encountered, with one or two birds sighted ... °W). In the Paciftc sector only small numbers (one or two) of birds were encountered. In autumn the blue petrel ... Ocean sector in autumn revealed that one or two birds were only present to the north of 61 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 521–542 : Author(s): Vagin, A.V. and V.V. Popov

8. Revised age and growth estimates for Antarctic starry skate (Amblyraja georgiana) from the Ross Sea

   generated that suggest much slower growth, greater ages-at-maturity (about 20 years compared with 6–11 years ... growth, greater ages-at-maturity (about 20 years compared with 6–11 years) and greater maximum ages ... ) and greater maximum ages (28–37 years compared with 14 years). Several pieces of circumstantial evidence ... Paper Title:  Revised age and growth estimates for Antarctic starry skate (Amblyraja georgiana ... of the broad diffuse bands, is re-visited. Two readers, one of whom has had previous experience ageing ... bands, growth curves have been generated that suggest Estimated age (years) 0 10 20 30 40 P el vi ... because it fits the data better, and because reader 2 underestimated Estimated age (years) 0 10 20 30 ... generated that suggest much slower growth, greater ages-at-maturity (about 20 years compared with 6–11 ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 211–220 : Author(s): Francis, M.P. and M.J. Gallagher

9. Book review: Fish and Fish Resources of the Antarctic

   Paper Title:  Book review: Fish and Fish Resources of the Antarctic Abstract / Description ... a Russian-speaking readership. The book represents the first complete summary, prepared by a Russian author ... Book review: Fish and Fish Resources of the Antarctic ... beyond a Russian-speaking readership. The book represents the first complete summary, prepared ... fish, i.e. movement to pelagic waters, was one of the most successful adaptive qualities ... of the Antarctic area are responsible for the formation of variously sized biotope/ecosystems in which one can ... is characterised by the presence of one or more numerically dominant species, leading the author to term ... of more than 30 years allowed lum to analyse both the processes governing bioproductivity in various ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 165–168 : Author(s): Shust, K.V

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

    of the ages at maturity and first-capture. Seasonal effects seem to be of lesser importance. File:  12 ... on the relative values of the ages at maturity and first-capture. Seasonal effects seem to be of lesser importance. ... -exploitation level over a 20 year period of harvesting should equal 10%. The value of, λ depends strongly ... -exploitation level over a 20 year period of harvesting should equal 10%. The value of, λ depends ... the seasonal growth of krill. This model for the length of kriU of age (a+t) years may be written: 208 ... for krill in these calculations indicates a fairly long-lived animal. If this is correct, one would ... ) for the growth model of equation (2). Age a Length £(a) (years) (mm) 0 0 1 22 2 36 3 44 4 50 5 54 ... MODEL . The numbers of lain of age a years at the start of "year" y (Ny,a) are governed ...

    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

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