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1. Catch per unit effort (CPUE) data from the early years of commercail krill fishing operations in the Atlantic sector of the Antarctic

   years on a subarea and area basis, and between oceanic and shelf regions. Results show that the CPUE may ... indicate that data from a single commercial vessel may not be representative of the entire Siege1 et ... cannot be completely ruled out that results for various areas and periods obtained by one fishing ... no clear picture can be drawn from the results of the comparisons. However, it is noteworthy that ... interesting to note that these maximum CPUE values were obtained during fishing operations with the shortest ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 31–50 : Autor(es): Siegel, V., V. Sushin and U. Damm

2. Natural mortality of grey rockcod (Notothenia squamifrons) in various areas of the Indian sector of the Southern Ocean

   three independent methods. From the values obtained the means were taken to be the most reliable. These ... were 0.38, 0.36 and 0.33 for the above areas respectively. These values are comparable with those ... 0.38 as the most reliable values for M, it may be concluded that the rate of natural mortality of N ... the means were taken to be the most reliable. These were 0.38, 0.36 and 0.33 for the above areas ... respectively. These values are comparable with those derived for most notothenioids. Resume Le taux de ... area the value was 8.6 years. The calculated values of M were found to be the lowest among specimens ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 141–146 : Autor(es): Zaitsev, A.K.

3. Sensitivity analysis for parameters of predatory species CCAMLR Ecosystem Monitoring Program

   enables estimates of required sample sizes for specified detection capabilities to be made with greater ... (1988), it should be realised that differences did exist between methods of data collection recommended ... first incubation shifts has been shown to be very closely related with Adelie penguin breeding success ... ) recommend that 100 nests be monitored daily and the length of the first incubation shift by both members of ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 411–432 : Autor(es): Whitehead, M.D.

4. Trends in population size and breeding success at colonies of macaroni and rockhopper penguins, Marion Island, 1979/80–1995/96

   in the performance of macaroni penguin compared to rockhopper penguin colonies suggests that breeding ... success of macaroni penguins may be influenced by a wider-scale phenomenon than is applicable to ... that factors influencing the reproductive performance of the two species are not the same. File ... various colonies suggest that this proportion may be influenced by environmental conditions before, or ... at the onset of, breeding. The same does not appear to be the case for macaroni penguins. With the ... penguins compared with rockhopper penguins suggests that once laying is completed, breeding Cooper et ... performance of macaroni penguin compared to rockhopper penguin colonies suggests that breeding success of ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 89–103 : Autor(es): Cooper, J., A.C. Wolfaardt and R.J.M. Crawford

5. Size compositions of males and females in the course of the life cycle of Euphausia superba

   during the reproductive cycle. Information on size composition by sex is considered to be vital for an ... understanding of krill population structure. It is suggested that duties of biologist-observers aboard ... considerations. Firstly, it could be suggested that a spatial segregation of males and females leads to such ... be also considered as a possible cause. It is important to remember that all catches are taken in ... be possible that an increase in male mortality begins shortly before the spawning season (Figure 4 ... difficult task because these obselVations deal only with adult krill. Repetitive obselVations can be also ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 3–16 : Autor(es): Makarov, R.R.

6. Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the number of concentrations and analytical justification for search data

   paper, I show how data that are routinely collected by survey vessels can be used to estimate the number ... that paper and Butterworth (1989), who suggested that krill abundance could be monitored through ... vessels that can be used to estimate the number of concentrations in a sector of the ocean and that Japan ... provide data from commercial vessels that can be used to estimate within concentration properties of ... ). They were not collected with the intent of this estimation, so that additional assumptions are needed ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 283–322 : Autor(es): Mangel, M.

7. The influence of bait quality on the sink rate of bait used in the Japanese longline tuna fishing industry: an experimental approach

   sank whereas frozen bait floated. Fish with inflated swim bladders floated, however, even when thawed ... (to avoid fish species with swim bladders which cause the bait to float), the proper thawing of bait ... decrease with increased bait sink rates, particularly if the baits can be made to sink to a depth greater ... , which is an approximation of the amount of time after deployment from a longliner that a bait would be ... means that the fastest sinking baits would still only be at a depth of 1 m when 31 m astern, 2 m at 62 ... sec. m-' by the addition of a 10 g weight, and this rate could be increased by 30 to 40% with the ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 123–129 : Autor(es): Brothers, N., A. Foster and G. Robertson

8. Assessment of krill flux factors in waters of South Orkney Islands during summer 1996

   study area  perimeter. Mean krill transport rate was 7.2 tonnes/hour/n mile with a standard deviation of ... experiment, a preliminary estimate of krill outflow from the study area into adjacent areas would be ... % = 831.0 tonnes / hour. It is well known that krill flux can be caused not only by geostrophic factors ... ) variability of krill flux should be studied with as many observations being made as possible. These ... tonnes/hour/n mile with a standard deviation of 15.5 tonnes/hour/n mile. Significant variability of ... study area into adjacent areas would be approximately 9.2 million tonnes. Resume Les auteurs donnent ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 195–204 : Autor(es): Kasatkina, S.M., V.N. Shnar, M.I. Polischuk, A.M. Abramov and V.A. Sushin

9. Acoustic estimates of krill density at South Georgia, 1981 to 1998

   from year to year over that time, ranging from ≈ 2 to  ≈ 150 g m-2 (fresh mass). The 1982, 1991 and ... cruises (Figure 1). From this it can be seen that before 1996, data were available from areas broadly ... be conducted in hours of daylight. With the exception of the 1982 value, all biomass estimates ... conclude that variability there is associated with 'high interannual fluctuations in stock size and not ... (Watkins et al., 1999), also suggest that oceanographic and krill population processes may not be the ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 47–57 : Autor(es): Brierley, A.S., J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson

10. By-catch of fish in longline catches off the Kerguelen Islands (Division 58.5.1) during the 1995/96 season

    geographical distributions of the most common by-catch species. The size of some by-catch species shows that ... they could be of interest commercially if longline fishing operations expand in this part of the ... . The size of some by-catch species shows that they could be of interest commercially if longline ... fish/hour, however it should be noted that some upper depth range stations have high catch rates ... results, associated with information from other sectors of the Southern Ocean, indicate that the ... futur dans ce secteur de l'ocean Austral. 6b1n n p o a ~ a n n 3 n p o ~ a ~ s u ~ o ~ o t i comae ...

    Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 175–193 : Autor(es): Duhamel, G., P. Pruvost and D. Capdeville

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