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1. On the presence of Paralomis spinosissima and Paralomis formosa in catches taken during the Spanish survey Antártida 8611

   160 to 627 m and that of P. formosa, far less frequent in the catches, from 320 to 350 m. Field ... observations showed that these two species were absent from the southern archipelagos of the Scotia Arc (South ... hauls where Paralomis spp. were found, together with the qualitative composition of the fish fauna ... usually accompanying them in the catches, suggest that P. spinosissima and P. formosa tend to concentrate ... appropriate harvest levels. This paper constitutes a contribution to that workshop and contains the m o s t ... been caught (Balguerias, pers. comm.). Therefore, the only possibility that these species are to be ... Taken During Spanish Survey This evidence would seem to be in contradiction with the area of ... observations made during the Spanish survey did not allow that possibility to be confirmed. Ovigerous females ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 165–173 : Автор(ы): López Abellán, L.J. and E. Balguerías

2. Measurements of differences in the target strength of Antarctic krill (Euphausia superba) swarms at 38 kHz and 120 kHz

   be explained by possible experimental error, and which was therefore attributed to real differences ... in average target strength at these two frequencies. The results are in good agreement with recent ... experimental work on the target strength of encaged E. superba at 38 and 120 kHz but are in major conflict with ... (Interval 470). It can be seen from Figure 3 that the MSBS values at the two frequencies track each other ... difference which was regarded as too large to be explained by possible experimental error, and which was ... are in good agreement with recent experimental work on the target strength of encaged E. superba at ... 38 and 120 kHz but are in major conflict with the 120 kHz - to - 50 kHz target strength conversion ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 75–86 : Автор(ы): Hampton, I.

3. The error of the biomass estimate as a function of survey parameters and the statistics of a density field of krill aggregations

   with the help of mathematical statistics and methods of calculus of probabilities. The biomass estimate ... of the survey with respect to the axis of the correlation ellipse and the frequency of transects ... (sections) serve as survey parameters. The relationships described here can be used in practice for both a ... internal knot with number i then using the fact that the field ~ is isotropic, the formula () can be ... $"= o/o-!A.;t,;2' ~ correspolliing to each expe- riment , should be proportional to t; with coefficient ... might depend and how this dependence can be expressed mathematically with account for the probability ... (if using an echointegrator). That is why in this context echo surveys can be considered similarly ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 213-228 : Автор(ы): Kizner, Z.I.

4. Protecting young fish and spawning aggregations of Champsocephalus gunnari in Subarea 48.3 (South Georgia): a review

   that ' t he Work ing Group recommended the closure o f directed fishing for C , grrlz~zarr be ... threshold level which is considered to be associated with a higher likelihood of 'good' recruitment (e.g ... need to be protected, particularly if the fish aggregate to the extent that fishing might lead to ... . Therefore a particular mesh size will be associated with a particular size (and therefore age) at first ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 75–86 : Автор(ы): Parkes, G.B

5. Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey

   that further fo r krill coincided. The choice of parameter calculations be carried out which would ... 50 !, from U [34,40l mm with W,,, = 12 mm. These lengths can be converted into ages using the ... selected age classes; this means that the complete fixed catch specified will not be taken in every year ... ) requested that statistics be provided for a 10- as well as a 20-year period of harvesting. Calculations ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 81–106 : Автор(ы): Butterworth, D.S., G.R. Gluckman, R.B. Thomson, S. Chalis, K. Hiramatsu and D.J. Agnew

6. Estimates of fish stock biomass around South Georgia in January/February 1985

   . gibberifrons and Ps. georgianus were at a level of about 25 – 40% of that of the pristine state. The stocks ... reduction in stock size to 10 – 20% of that estimated before the onset of heavy fishing. In C. gunnari the ... influence. Furthermore it should be noted that it is still not known which proportion of t he juvenile ... . Even though the variance is very high indicating that the estimated stock size may only be corfect to ... composition (fig.6) indicates that with the exception of the early juve- - 6 - niles (age class O and 1 ... - straints, however, stock size is assumed to be very low in comparison to tha t of 141 000 t at the onset ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 1-32 : Автор(ы): Kock, K.-H.

7. Preliminary study on nesting Adélie penguins disturbance by unmanned aerial vehicles

   with penguins looking up and around for a few seconds when the UAV was overhead. Similar symptoms of ... measurements should be done in conjunc- tion with the filming, so that the relationship between noise level ... giant petrel colonies must be kept to a minimum, and then only with electric UAVs. It is hoped that ... 700D camera with a 35 mm objective lens. On this basis it was determined that a flight altitude of ... 300–400 AGL allowed images to be taken with a ground sample distance (GSD) resolution of less than 5 ...

   Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 1–16 : Автор(ы): Korczak-Abshire, M., A. Kidawa, A. Zmarz, R. Storvold, S.R. Karlsen, M. Rodzewicz, K. Chwedorzewska and A. Znój

8. On the instantaneous natural mortality rate of Champsocephalus gunnari, South Georgia (Subarea 48.3)

   suggested that M =0.56 should be used in stock assessment for C. gunnari in Subarea 48.3. File:  19-Frolkina ... provided a wide range of estimates for M. The discussion of the results suggested that M=O.56 should be ... this value could be used in the future on an equal footing with M=0.35 (CCAMLR-VIII, paragraph 49 ... from positive to negative (Table 9, Figure 1). It may therefore be assumed that the rate of natural ... Richter-Efanov (M=0.22). The author himself admitted that the results varied to such a degree that ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 313–326 : Автор(ы): Frolkina, G.A. and R.S. Dorovskikh

9. A fine-scale model of the overlap between penguin foraging demands and the krill fishery in the South Shetland Islands and Antarctic Peninsula

   the krill resource and is based on a detailed model of penguin foraging patterns combined with catch ... positions. This analysis shows that the overlap between the fishery and chinstrap penguins is much greater ... than for other penguins, and that this overlap has been decreasing since 1988. File:  07agnew ... penguin foraging patterns combined with catclh positions. This analysis shows that the overlap between ... Sea and on the Mawson coast have shown that Addie penguins Penguin Foraging Overlap with Krill ... . Foraging distances were chosen so that maxima (mean + 2 SDs) were generally in line with maxima recorded ... pairs in colony t of colonies (only one bird from a pair is assumed to be foraging at any one time ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 99–110 : Автор(ы): Agnew, D.J. and G. Phegan

10. Long-term monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)

    for the Elephant Island area with regard to the representativeness of the study area (60°-62 o 30´S ... assumption that there has been no persistent change in krill density should be tempered with the caution ... be verified, as another assumption of the krill yield model is that the statistical distribution of ... with a mesh size of 4 mm, although comparisons with RMTl catches (330 pm mesh size) indicate that ... eddies and meanders. It may be that the mean retention time for krill is much longer in this area ...

    Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 19–35 : Автор(ы): Siegel, V., W. de la Mare and V. Loeb

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