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1. New data on spawning, hatching and growth of Champsocephalus gunnari on the shelf of the Kerguelen Islands

   enabled a new cohort of fish to be identified each year. However, annual variations in abundance have been ... observed. During the sampling period the 1988 cohort was dominant on the outer shelf. The three-year cycle ... each year. However, annual variations in abundance have been observed. During the sampling period ... the 1988 cohort was dominant on the outer shelf. The three-year cycle observed previously seems ... . The fish use the inner shelf as a nursery zone for one to two years, then migrate to the outer shelf ... 1971/72, yielded annual catches up to 30 000 tonnes in the first years of exploitation (Gerasimchuk ... three years (Duhamel, 1987, 1991 and 1993). This cohort constitutes, usually for a period of one ... to two years, the bulk of the catches in the fishery, which is based only fish over three years old ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 21–34 : Author(s): Duhamel, G

2. Results of Soviet investigations of the distribution and ecology of pelagic squids (Oegopsida) in the Southern Ocean

   identified as Brachioteuthis riisei. In recent years (1978-1984) the collection was increased by two or three ... as Brachioteuthis riisei. In recent years (1978-1984) the collection was increased by two or three dozen specimens ... and Antarctic types. In view of the absence of squid beaks in the bottom sediments in the Antarctic, two ... of the absence of squid beaks in the bottom sediments in the Antarctic, two hypotheses are suggested: all squids ... (Fiiippova, Yukhov, 1979). In recent years ( 1978-1984), the collection was increased by two or three do%en ... °5. Three specimens were caught in the Indian Ocean: one north of the Antarctlc Convergence and two at 60 ... . 125 specimens of that total were identified as Brachioteuthis riisei. In recent years (1978-1984 ... ) the collection was increased by two or three dozen specimens mostly identified as the little-studied ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 79-111 : Author(s): Lubimova, T.G.

3. On the intensity of sampling krill trawl catches

   . The possible effect of two other factors (within-trawl variability and sample decomposition) which may ... stages; • for most purposes a minimum sample size of at least 100 animals/trawl is necessary to obtain ... commercial catches. The possible effect of two other factors (within-trawl variability and sample ... information on maturity stages; • for most purposes a minimum sample size of at least 100 animals/trawl ... sample sizes of 50 and 100 animals at the two islands respectively). This would imply that such samples ... to 0.05) between mean lengths or the number of animals measuredllocation (Le., 50, 150 or 50 in one size ... differences between length data obtained via various sample sizes (Le., 100, 150 and 50 animals in one size ... 120 100 90 80 70 60 50 40 30 20 10 30 35 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 29–48 : Author(s): Miller, D.G.M.

4. Analysis of results from demersal fish surveys at South Georgia, undertaken by the United Kingdom and the USSR, January and February 1990

   40 30 20 10 0 f 0 1 2 3 4 5 6 7 Catch (tonnes) of C. gunnarl One haul not included ... (squares 19 and 20). The reports of the two surveys were discussed separately. 3.1 Akademik Knipovich ... : 40 tonnes urvey 8 9 70 AkademiJc Knipovich Survey 60 - 50 - 10 - 30 - 20 - 10 ... will consist of one representative bottom trawl with the net fishing for 30 minutes on the bottom. The net ... these large hauls were considered in the analysis. No ideal method was found for incorporating the large ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 223–254 : Author(s): (Report of a Joint UK/USSR Workshop, 23 to 27 July 1990)

5. A balanced model of the food web of the Ross Sea, Antarctica

   trophic groups and is balanced in terms of annual flows of organic carbon in an average recent year (1990 ... change for all key parameters (biomass, production rate, growth efficiency) and all groups together ... recent year (1990–2000). The focus of the model is on the role of Antarctic toothfish in the food ... ) and all groups together was 1.7%, and for diet fractions was 0.6%. Large but not implausible changes ... trophic groups and is balanced in terms of annual flows of organic carbon in an average recent year (1990 ... together was 1.7%, and for diet fractions was 0.6%. Large but not implausible changes in biomass ... composition and inter-specific relationships within the ecosystem through trophic effects, that is, by one ... or typical year, rep- resentative of the state of the Ross Sea food web during the period 1990–2000 ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 1–31 : Author(s): Pinkerton, M.H., J.M. Bradford-Grieve and S.M. Hanchet

6. Food consumption by predators in a CCAMLR integrated study region

   consumption of seabird predators is provided. This model is a development of earlier ones used in the South ... consumption of seabird predators is provided. This model is a development of earlier ones used in the South ... procedure is based on an activity cycle which can be one, two or three years long within which there may ... on the IBM 360 at Cambridge University. The program formed the basis of two papers, one referring solely ... species complete one breeding cycle in one year, wandering, grey-headed and light-mantled sooty ... albatrosses breed biennially (when successful in rearing a chick) and have cycles lasting two years ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 489–519 : Author(s): Croxall, J.P., C. Ricketts and A.G. Wood

7. Maximum entropy reconstructions of krill distribution and estimates of krill density from acoustic surveys at South Georgia, 1996–2000

   Entropy (MaxEnt) reconstructions of krill distribution and estimates of mean krill density within two ... of mean krill density within two survey boxes (dimensions 80 km × 100 km) north of South Georgia ... Georgia are apparent from one year to the next in the MaxEnt reconstructions. These are not immediately ... of krill distribution and estimates of mean krill density within two survey boxes (dimensions 80 km × 100 ... to be exploited together with new known data (Sivia, 1996). Furthermore, Skilling (1988) has shown ... successfully for many years in numerous branches of physical science to reconstruct images from incomplete ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 91–100 : Author(s): Wafy, M.H., A.S. Brierley, S.F. Gull and J.L. Watkins

8. Seabird interactions with longlining operations for Dissostichus eleginoides around South Georgia, April to May 1994

   -seven line sets were observed and 98 deaths of seabirds were recorded over 20 sets; no deaths occurred ... to albatrosses. The average mortality rate for the 20 sets was 0.48 birds/1 000 hooks and maximum mortality 3.12 ... were recorded over 20 sets; no deaths occurred during hauls. The 16 sets made at night contributed 15 ... population at South Georgia when compared to albatrosses. The average mortality rate for the 20 sets was 0.48 ... of the type Maguro no. 14 which has a curved point (Figure 1); these hooks were laid as either one or two ... , and the number of birds of each species in the vicinity of the ship was recorded every 30 minutes. Of the 20 ... one observer. Every two hours, estimates were made of the total number of birds of each species ... 04.43 06.20 19.40 04.30 05.53 03.49 05.25 06.50 18.05 I set 7; streamer B used in 02.05 03.42 05.05 ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 111–121 : Author(s): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno

9. Midwater trawl catchability as an aspect of a quantitative assessment of krill biomass conducted using a trawl census survey

   . It could be proven that with two trawls operating in the same area, one could expect the coefficient Kq ... swann depth (metres) 42 29 41 24 29 25 30 21 cr, swann depth 13 20 13 8 10 14 16 8 Mean swann ... 47 59 30 23 20 29 17 cr, mean swann length (metres) 15 16 19 7 10 7 20 4 Swann density field ... Ha npHMepe TpaJIa AH3eKCa-KH,l(,l(a nOKa3aJI, qTO nOCJIe,l(HHe Heu,eJIeco06pa3HO HCnOJIb30 ... Paper Title:  Midwater trawl catchability as an aspect of a quantitative assessment of krill ... variable which depends on both the behavioural and distributional characteristics of the target species and ... catchability and krill distribution patterns. A comparative analysis of trawl catchability for commercial ... midwater trawls and small research trawls, in this case using an Isaacs-Kidd trawl, demonstrated the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 257–272 : Author(s): Kasatkina, S.M.

10. Utilising data from ecosystem monitoring for managing fisheries: development of statistical summaries of indices arising from the CCAMLR Ecosystem Monitoring Program

    Program, two lengths of time were investigated: 10 and 20 years. The correlation matrix was estimated ... hypothesis with data series of up to 20 and 30 years. In both forms, the index is drawn from a random ... to 20 years leads to only a moderate increase in power. As would be expected, the powers of the two ... of the parameters missing in the years when data were missing. Two models of missing data were investigated ... anomalies. The last section outlines an approach to the further development of CEMP indices for application ... Paper Title:  Utilising data from ecosystem monitoring for managing fisheries: development of ... :  A potential method is presented for combining data collected as part of the CCAMLR ecosystem ... monitoring program (CEMP) into a single index for each of predator, prey and environmental parameters. The ...

    Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 101–117 : Author(s): de la Mare, W.K. and A.J. Constable

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