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1. Physical oceanographic setting of the Siedlecki January 1987, South Shetland Island data set

   ): an intrusive layer of Pacific derived relatively warm-salty water near 300 meters depth and deeper ... speculated that mixing of Weddell and Pacific waters near the tip of the Antarctic Peninsula is an important ... between these two large scale water mass or stratification regimes, is an order 100 km wide zone of very ... of the Scotia front) over the continental slope. Labelled on figure 8 are two such features: "A ... , represented by station 223) and stations representing various stages on mixing, for the blends marked A and B ... for an ideal area for study of the relationship of krill to its environment. ACKNOWLEDGEI'vENTS ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 161-184 : Autor(es): Gordon, A.L.

2. Acoustic estimates of krill biomass in the Elephant Island area: 1981–1993

   years 1981 to 1993 (with the exception of 1982 and 1986). Estimates for 1981 to 1991 are based on ... / Description:  Acoustic estimates of krill biomass in the vicinity of Elephant Island are presented for the ... previous reports adjusted for the recently proposed definition of krill target strength (Greene et al ... density over the 13-year period were 1 703 x  103 tonnes and 53.2 g/ 2. File:  01hewitt-demer.pdf ... vicinity of Elephant Island are presented for the years 1981 to 1993 (with the exception of 1982 and 1986 ... ). Estimates for 1981 to 1991 are based on previous reports adjusted for the recently proposed definition of ... surveys (30 mm and 41 mm). Klindt's biomass estimate for the 1985 survey may be adjusted by a factor ... from the two largest of the four surveys described by Hewitt and Demer (1993). Biomass estimates for ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 1–5 : Autor(es): Hewitt, R.P. and D.A. Demer

3. Results of fish stock assessment survey, South Georgia, December 1987 - January 1988

   for any subsampling on deck or in the laboratory, and was standardized to 30 minute tows. 21 3 ... survey cruise and discuss their changes over recent years. The analysis is based mostly on the ... . There is also an indication of decreasing size with increasing depth for this species, whereas all ... magnitude (based on the delta distribution, Gabriel 1987) and possibly two orders of magnitude (based on ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 19-52 : Autor(es): McKenna, Jr., J.E. and S.B. Saila

4. Preliminary results of a bottom trawl survey around Elephant Island in October and December 1987

   differed significantly from that in previous seasons which argues for an exchange with C. gunnari from ... previous seasons which argues for an exchange with C. gunnari from other shelf areas of the Peninsula ... . Nearly all gonads were in resting stage. 4. DISCUSSION Elephant Island is an area where two ... 1982/83, differed significantly from that in 1985 and 1986 arguing for an exchange with individuals ... ) '- 10 20 10 Figure 8: 10 20 30 Chaenocephalus aceratus Oct. [n-2163] - Dec. [n - 1135 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 185-200 : Autor(es): Kock, K.-H.

5. Assessments of the stocks of Notothenia rossii marmorata and Champsocephalus gunnari in the South Georgia area

   the later years, it is reasonable to assume a common age-specific catchability function for both ... for each of the three terminal biomass estimates and for each of the two survivorship/catchability ... biomass. The data indicate a strong dependence of gross recruitment on stock size, since a 20-fold ... . The age at recruitment is 3-4 years, hence up to two consecutive years of heavy fishing can occur ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 1-21 : Autor(es): Cooke, J.G.

6. Results of the CCAMLR Antarctic fish otoliths/scales/bones exchange system

   / Description:  An exchange system was established among Members of CCAMLR to compare age determinations for the ... agreement in age determination was highest for scales of juvenile N. rossii and for otoliths of juvenile C ... . gunnari from South Georgia and lowest for scales of adult N. rossii and N. gibberifrons and otoliths of P ... light against a black background (Kock, Gubsch, Sosinski). The first two to three annuli identified on ... (Gerasimchook in SC-CAMLR-VII/8G/41). Sagittal otoliths were proved to be suitable for estimating age. Two ... carried out for N. rossii and C. gunnari (Radtke, SC-CAMLR-VI/8G/43). Findings on N. rossii agree well ... with an extensive discussion on the life history of a species may in the future better help to ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 197–226 : Autor(es): Kock, K.-H.

7. Location and intensity of the Soviet krill fishery in the Elephant Island area (South Shetland Islands), 1988/89

   maximum, for the last nine seasons the total fishing intensity by the USSR around Elephant Island has been ... highest catch-per-unit-effort was observed in January 1989 (7.7 tonnes per hour of trawling on average ... ), and the lowest in November 1988 (3.5 tonnes per hour of trawling on average). Fishing strategy in the ... (north of Elephant Island) and start searching for krill concentrations; (ii) krill concentrations are ... important in developing measures for managing the krill fishery within the framework of the Convention on ... ) one or two vessels enter the Elephant Island area and start searching for krill concentrations ... drifted northeast for about 105 to 120 n miles (194 to 222 km) from 1 to 20 December 1988 (Figures 6a to ... ) ( tonneslhour) 1988: 21 to 25 November 333 6.6 50.4 3.60 26 to 30 November 1636 29.4 55.6 3.50 Total for ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 305–335 : Autor(es): Sushin, V.A. and A.S. Myskov

8. Catch per unit effort and proportional recruitment indices from Japanese krill fishery data in Subarea 48.1

   general decrease in krill density in the study area were considered as possible reasons for this. On the ... 48.1 (Antarctic Peninsula region) from 1980 to 1996 were calculated based on logbook data from Japanese ... period. The use of different fishing strategies in response to a demand for higher product quality and a ... et al. (1997) for two year classes: the 1991/92 year class, which showed apparently higher values ... general decrease in krill density in the study area were considered as possible reasons for this. On the ... different calculation methods were used. The need for estimations of proportional recruit indices based on ... °S, 54.00'-57.00°W) were used for this investigation (Figure 1). These include data on krill length ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 47–63 : Autor(es): Kawaguchi, S., T. Ichii and M. Naganobu

9. By-catch of fish in the krill fishery

   , USSR 381 1. INTRODUCTION During the past 20 years a major krill fishery has become established ... two seasons under consideration. Information is available, however, on the general disposition of the ... estimated total number or weight for the haul. 3. RESULTS Information on individual net hauls from both ... have only a minor effect on the icefish. Approximately one haul in 20 was however taking large amounts ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 381–401 : Autor(es): Everson, I., A. Neyelov and Y.B. Permitin

10. Survey design to estimate krill abundance during FIBEX

    methodology for assessing the abundance of krill. The survey design used in the southwest Atlantic study area ... of the FIBEX is described in this paper. Sampling involved the use of echo sounders for estimating ... krill abundance as well as collection of data on the size, density and distribution of krill swarms. In ... addition, information on surface water temperature, salinity and fluorescence as well as on seabirds was ... participate in the experiment. The coordinated multiship part of the study was scheduled to take 30 days. Two ... the use of echosounders for estimating krill abundance and also providing information on the size ... . Assuming that an unbiassed estimate of mean krill density can be obtained for each sampled transect, the ... design is capable of providing an unbiassed estimate of density for each stratum. 2. Stratification ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 253–263 : Autor(es): Everson, I., I. Hampton and G.M. Jolly

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