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1. Notes on the use of virtual population analysis for stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1990/91 and 1991/92 seasons

   techniques, from 1991 back to 1977. The predicted age structure, dominated in recent years by the 1987 year ... . Breakdown in the credibility of the VPA results in most recent years is attributed to the invalid assumption ... -class (1 year olds in 1988), was quite robust, despite the use of various combinations of survey and ... proportion of 5 year olds, which was not observed during the survey on Falklands Protector in January 1992 ... the last two years. 2. MATERIALS AND METHODS Two VPA programs were used: MAFF DFR VPA version 2.1 ... only: _ Uay Aay --=-Ua Equation 4 assumes equal weighting between the two indices in years when ... provided in Table 2. The indices were input as two fleets in the ADAPf3 run and as one combined index in ... effect of setting a TAC for 1992/93. 56 One approach is to use the results of the two most recent ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 49–79 : Автор(ы): Parkes, G.

2. Preliminary report on biological observations and exploratory fishing data collected in the South Georgia area during the 1985/86 cruise of MT Carina

   -going fish stock monitoring program conducted by the Sea Fisheries Institute, Gdynia. Codends of two ... % while N. rossii and D. eleginoides were present only as by-catch. In sampling catches two length groups ... . georgianus was represented by three length groups: 20–24, 32–41 and 42–56 cm. N. gibberifrons was also ... georgianus, Notothenia gibberifrons and N. rossii marmorata. Scales and otoliths were also collected for age ... + Age groups (years) O~~==~,==~==~,===;~~,==~==~,==~~ Figure 8 20 30 40 ~ Total length (cm ... grcups (years) 200 O~~~I~~~I~~~I==~~I==~~ 20 3J 40 50 Total length (cm) Figure 7 Length and age ... nototheniids. The length distribution of P. georgianus, especially in the last two years, did not undergo ... in those two seasons consisted of the year class of 1980 (Sosinski, unpublished). In the catches ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 65-97 : Автор(ы): Kreft, K. and J. Szynaka

3. Defining smaller-scale management units to further develop the ecosystem approach in managing large-scale pelagic krill fisheries in Antarctica

   involves two different types of unit: the ‘harvesting unit’, which is at the scale of the metapopulation of ... considered separate small-scale areas if the vector of transport is relatively predictable from one year to ... 1991 1992 1993 1994 1995 1996 1997 1998 1999 C at ch (t on ne s) Year 129 Defi ning ... APPROACH IN MANAGING LARGE-SCALE PELAGIC KRILL FISHERIES IN ANTARCTICA A.J. Constable and S. Nicol ... harvested species. The inte- gration of these components involves two different types of unit: the ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 117–131 : Автор(ы): Constable, A.J. and S. Nicol

4. The gentoo penguin as a candidate species for the CCAMLR Ecosystem Monitoring Program

   years at Bird Island, South Georgia and at the South Shetland Islands (both within Integrated Study ... features of special relevance to the CEMP. File:  30-Croxall-and-Williams.pdf ... Maturity With typical ages of first breeding being at two and three years old (Williams, 1990), gentoo ... ). Only in one year (1985) did the proportion of E. superba fall below 65%. During the winters of 1987 ... WG-CEMP-90/14 THE GENTOO PENGUIN AS A CANDIDATE SPECIES ... dietary and other biological information collected over several years at Bird Island, South Georgia and ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 483–488 : Автор(ы): Croxall, J.P. and T.D. Williams

5. The Kerguelen database

   . Length frequency distributions of the species are also provided for the period 1979/80–1985/86. File:  02 ... = 3125" ~D UE CHALUTAGES LUS Nri OE CHALUTAGES REH""S 6~.OO ob.30 U6 • .LlO 4b.50 41.00 .7.10 ... a".:'O .9.00 .q.IO aQ.2U • ~.30 o1q.~O • ~.50 50.ou ~o.IO ~(I.20 50.30 5U .. !lCi ... .30 Ob.40 4& .50 41.00 07.10 47.20 41.30 47.00 47.50 .t .00 "fi.IO o~ .20 4ft.30 till. QU ... ilK .50 .9.00 4Q.IO . OQ.20 .Q.30 Cq.QO OQ.5U ~O .00 50.10 50.20 50.30 5u.40 511.50 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 23-54 : Автор(ы): Duhamel, G.

6. Preliminary model of krill fishery behaviour in Subarea 48.1

   Elephant Islands in alternate years would result in an average yearly catch similar to that at present ... during alternate years. File:  06agnew-marin.pdf ... Elephant Islands, the two major fishing areas, in alternate years. Closures were modelled by ... Livingston and Elephant Islands in alternate years would result in an average yearly catch similar to that ... land-based predators during alternate years. Resume Description d'un modele simple du comportement ... C MCTOPMqeCKMM pacnpeAeneHueM ynosoB B TOM n o ~ p a B o ~ e . P a c c ~ a ~ p ~ s a m ~ c r r ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 71–79 : Автор(ы): Agnew, D.J. and V.H. Marín

7. Trawl bag selectivity in the Champsocephalus gunnari fishery

   and the selectivity factor was 3.10 for a mesh size of 80 mm. Comparison of these results with results ... from previous years demonstrates close similarity. A significant increase in modal length (up to 34-35 ... was 3.10 for a mesh size of 80 mm. Comparison of these results with results from previous years ... of 299 80 cm. Comparison of these results with those from previous years shows close similarity ... - 7 19 - 16 20 30 38 21 - 20 22 - 20 23 - 24 24 38 64 25 534 373 26 1436 866 27 2984 1430 28 ... "Khek-4M". 305 I o 100 -~3.S-3. ( I I 75f1~f. ISO 75fJli+ /20 I I ~8D-:93.5-3. f I ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 295–312 : Автор(ы): Bidenko, V.G. and I.G. Istomin

8. Fishing for toothfish using pots: results of trials undertaken around South Georgia, March–May 2000

   INTRODUCTION The longline fishery for Patagonian toothfish (Dissosticht~s eleginoides) in Subarea 48.3, as ... to operational difficulties, however, the period of trial fishing was shortened to two months ... approximately 80 cm height were constructed of a steel frame and covered with mesh. A collapsible funnel ... Viability and CPUE Analysis The first two aims of the toothfish pot fishery trial were to assess the ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 93–105 : Автор(ы): Agnew, D.J., T.M. Daw, G.M. Pilling and M.G. Purves

9. Estimating unaccounted fishing mortality in the Ross Sea region and Amundsen Sea (CCAMLR Subareas 88.1 and 88.2) bottom longline fisheries targeting Antarctic toothfish

   (Spanish line and trotline), and only two vessels used trotline gear in the groomed dataset, one of which ... 88.2G 16 0° E 180° 160°W 140°W 120°W 80 °S 75 °S 70 °S 65 °S 60 °S 23 18 12 6 1 ... 80 °S 75 °S 70 °S 65 °S 60 °S 0.8 0.6 0.4 0.2 0.0 Figure 3: Spatial distribution of ... 88.2E 88.2F 88.2G 16 0° E 180° 160°W 140°W 120°W 80 °S 75 °S 70 °S 65 °S 60 °S High Low ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 17–30 : Автор(ы): Webber, D.N. and S.J. Parker

10. Biomass of myctophids in the Atlantic sector of the Southern Ocean as estimated by acoustic surveys

    area the fish were sparsely distributed. Dense concentrations consisting predominantly of one myctophid ... surveyed in two stages. Firstly, the area from 51 °30' to 56°00'S and between 20°30' and 26°30'W was ... surveyed from 20 February to 2 March. Secondly, the area with coordinates 51°30' to 55°00'S and 8°00' to ... 47° and 56°S and between 8° and 44°W in the period 30 January to 10 April. The bulk of the biomass ... 18°30' (Figure 7) was surveyed from 20 March to 2 April. These sectors had areas of 52 600 square ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 417–431 : Автор(ы): Filin, A.A., K.V. Gorchinsky and V.M. Kiseleva

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