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1. Growth and natural mortality of Patagonian rockcod (Patagonotothen guntheri shagensis) from Shag Rocks shelf

   for Patagonian rockcod (Patagonotothen guntheri shagensis) were calculated by using age and length ... of natural mortality M=0.8 was used in calculations and the optimal age and length for harvesting ... Patagonian rockcod were found to be 2.5 years and 12.6 cm. File:  09-Shilbanov.pdf ... years The analysis of the age composition curve shows that not all two year old fish were represented ... .004643x3 .278 100 0) :c 80 0) Q) ~ 60 40 20, 5 10 15 20 25 Length, cm Figure 1: Plot of ... 30 g weight and age of 2 to 3 years. The sex ratio of fish is actually the same in all size classes ... - t' mean age of fish, 3.42 years age of year class which is fully represented in catches and does ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 111–121 : Auteur(s): Shlibanov, V.I.

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

   m. In the whole of the area surveyed, the two crab species of the genus Paralomis (P. spinosissima ... seven hauls of the 29 made around Shag Rocks and in 20 of the 104 hauls made at South Georgia. P ... observations showed that these two species were absent from the southern archipelagos of the Scotia Arc (South ... ~panee~l f i B pai io~e WXHOW T e o p r ~ a - B 20. BMA P. formosa 0 6 n a s n ~ s a n c r l AeamAbI ... p rov ide s o m e va luable information o n the biology of the two species fished. However ... from 63 m down to 643 m. In the whole of the area surveyed, the two crab species of the genus ... . spinosissima was caught in seven hauls of the 29 made around Shag Rocks and in 20 of the 104 hauls made at ...

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

3. Areal and seasonal extent of sea-ice cover off the northwestern side of the Antarctic Peninsula: 1979 to 1996

   four periods of extensive ice cover during the last 18 years. Variability in seasonal timing, areal ... extent, seasonal duration and persistence of sea-ice over multiple years is apparent and is consistent ... ice cover during years between periods of extensive ice cover decreased during the second half of the ... periodicity of five to eight years in ice cover and note a five-year periodicity apparent in the air ... d'un secteur de 1.25 X 10" km2 au large de la partie nord-ouest de la peninsule Antarctique met en ... ) were used by Siegel and Loeb (1995) to index weekly ice concentrations at two locales near the South ... concentrations estimated from SMMR and SSM/I data during two months of sensor overlap in 1987 indicated ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 65–73 : Auteur(s): Hewitt, R

4. A possible framework in which to consider plausible models of the Antarctic marine ecosystem for evaluating krill management procedures

   e m od el s; F ig ur e 3. G al es a nd S ou th w el l ( 20 04 ) Fi sh er ie s ... life stage is most easily envisaged for animals moving from one age class to the next, as in an age ... exploring the consequences of uncertainty. Résumé La CCAMLR met en place actuellement une procédure de ... . Similarly, some temporal processes may only need updating once per year while others may need to be ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 99–117 : Auteur(s): Constable, A.J

5. Modelling and decision making as part of the CCAMLR management regime

   of CCAMLR Article II. Eight attributes (purpose, description, variables, driving forces, time ... year being adequate, or less than one year if seasonal influences need to be considered. The ... catch-effort model One predator, two prey model Fishery dynamics model Linear optimisation ... predator (seal) harvests. A time horizon of 5 years is considered appropriate, with time steps of one ... fishing. 5 years. 1 year unless there is a seasonal influence ·on the population. Data limited ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 295-322 : Auteur(s): Miller, D.G.M.

6. Survey of Antarctic fur seals in the South Shetland Islands, Antarctica, during the 1986/87 austral summer

   seals in the South Shetland Islands have been censused sporadically over the past 80 years, with the ... at Elephant and Livingston Islands have expanded signficantly over the past two decades, the number ... 20 Aguayo 1978 13 Dec 70 16 62 Hunt 1973 24 Dec 86 249 1250 1986/87 survey Cape Valentine 16 Feb ... 66 2 30 Aguayo 1978 9 Feb 71 3 100 Hunt 1973 30 Jan 87 45 121 1986/87 survey Cape Lindsey 16 Feb ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 427-440 : Auteur(s): Bengtson, J.L., L.M. Ferm, T.J. Härkönen, E.G. Schaner and B.S. Stewart

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

   , using samples from different years. The observed variations were related to stages of krill maturity ... ..... ... %30~ ! \:'" ,,-00, '"1 '\ 64-38S 47-00E if 16~ ~ 13.1.84 ,,/ \ 16.1.84 166 I ...:---'\. \! 20 ... ; / .- 10 .- I " I ,/ 0 0 .. n m", A BeD ... % % 30 100 54-13S 35-23W ci" 25 11.9.70 'f 48 20 ... \ \ , 19 , SI 60"" 0 AB C D 0 JII ., '(,,30 100 (lO 60-00S 55-20 18.12.74 !i'107 10 ... 0 I 3/1 ... A BeD % 58-01S 40-S6w 30 2.1.75 cl' 32 ~ 19 100 20 6b 10 0 0 JI IJ/I SI ...

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

8. Review of length-weight relationships for Antarctic krill

   of one month (Table 4). Because spawning may occur in different months during different years ... the same weight. The situation changes throughout the year, i.e., during the annual maturity cycle ... indicate the timing of spawning varies from year to year. The seasonal variation in krill weight clearly ... ) F 0.00352 3.144 all stages (one example out of several stations) M 0.00423 3.170 31-55 92 3B ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 145–155 : Auteur(s): Siegel, V.

9. Brief comments on the simulation study made by Professor Butterworth on krill fishing by an individual Japanese trawler

   questions are raised concerning the simulation study of the Japanese krill fishery carried out by ... being produced, and the demand for each product varies substantially from one season to the next ... Abstract In this paper, three essential questions are raised concerning the simulation study of the ... varies substantially from one season to the next. Finally, attention is drawn to the unrealistic ... , the demand for each product can be seen to change from year to year. We do, therefore, agree with him ... begin launching their nets aiming at the swarm(s) which have just been found. When no swarm is found ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 347–350 : Auteur(s): Ichii, T. and Y. Endo

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

    density over the 13-year period were 1 703 x  103 tonnes and 53.2 g/ 2. File:  01hewitt-demer.pdf ... years 1981 to 1993 (with the exception of 1982 and 1986). Estimates for 1981 to 1991 are based on ... from one year to the next matches the sign of recruitment strength. REFERENCES Amos, A.F., J.L ... /m2. Average biomass and average density over the 13-year period were 1 703 X 103 tonnes and 53.2 g ... surveys (30 mm and 41 mm). Klindt's biomass estimate for the 1985 survey may be adjusted by a factor ... increased from the first survey through to the fourth survey (0.5, 1.1, 2.1 and 2.4 million tonnes). Two ...

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

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