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1. Movement and growth of tagged Dissostichus eleginoides around South Georgia and Shag Rocks (Subarea 48.3)

   experimental pot fishing in 2000 and 2001, and have been at liberty from one to two years. Four fish were ... Rocks (Subarea 48.3) Abstract / Description:  In 2000 the UK started a Patagonian toothfish ... tagged and recaptured from the same longline vessel in 2002 after up to two months at liberty. The fish ... and there have been no reported recaptures of these fish tagged at South Georgia or elsewhere in the ... year (Figure 1). One vessel that left the South Georgia maritime zone continued pot fi shing in ... observers who have been involved in D. eleginoides tagging to date, specifi cally Gui Moreno, Nick Lock ... released during experimental pot fi shing in 2000 and 2001, and have been at liberty from one to two years ... Cambridge CB3 0ET, United Kingdom Abstract In 2000 the UK started a Patagonian toothfi sh (Dissostichus ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 101–111 : Auteur(s): Marlow, T.R., D.J. Agnew, M.G. Purves and I. Everson

2. New data on spawning, hatching and growth of Champsocephalus gunnari on the shelf of the Kerguelen Islands

   the inner shelf has enabled a new cohort of fish to be identified each year. However, annual ... variations in abundance have been observed. During the sampling period the 1988 cohort was dominant on the ... outer shelf. The three-year cycle observed previously seems to be related to the maturation stage of ... . Only once have spawners been observed in large numbers on the inner shelf: during the winter of 1991/92 ... 1971/72, yielded annual catches up to 30 000 tonnes in the first years of exploitation (Gerasimchuk ... taken both by bottom trawl (30' duration; 12 to 20 stations, depending on weather and bottom ... - - - ' , ' i " " " ' " " " ' I " " 0 10 20 30 Total length (cm) Figure 2: Quarterly LFDs for C. gunnari ... J l l l l l / , , , 3 I " " " " I " " . I ' I ' ' " ' E a 0 10 20 30 2. 0 Total length ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 21–34 : Auteur(s): Duhamel, G

3. The foraging range of Adélie penguins at Béchervaise Island, Mac. Robertson Land, Antarctica, and its overlap with the krill fishery

   when the sea became ice free to the coast. Concentrations of krill, Euphausia superba, which have in ... . Robertson Land Coast (approximately 150 000 pairs) and any future harvest of krill in the region. The ... in the South Shetland and South Orkney Islands and reflects the distance offshore of krill, one of ... their major food sources. File:  20-Kerry-et-al.pdf ... in those years where ice conditions allow the fishing fleet to operate further south or in poor ... the sea became ice free to the coast. Concentrations of krill, Euphausia superba, which have in the ... . Robertson Land Coast (approximately 150000 pairs) and any future harvest of krill in the region. The ... birds in the South Shetland and South Orkney Islands and reflects the distance offshore of krill, one ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 337–344 : Auteur(s): Kerry, K.R., J.R. Clarke and G.D. Else

4. A balanced model of the food web of the Ross Sea, Antarctica

   recent year (1990–2000). The focus of the model is on the role of Antarctic toothfish in the food web ... model has 38 trophic groups and is balanced in terms of annual flows of organic carbon in an average ... ) in trophic flows between groups. Parameters for biomass, production rate, growth efficiency, diet ... changes in biomass, production/biomass and production/consumption parameters were needed to balance the ... average recent year (1990–2000). The focus of the model is on the role of Antarctic toothfish in the food ... assumption that all parts of the ecosystem will be in balance in an average year. These balance equa- tions ... over a year (dimensionless); Fi fishing removals (gC m–2 y–1). Note that Fi = 0 for all groups in ... appropriate given the inconsistency in available data across organ- isms, seasons and years. The trophic ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 1–31 : Auteur(s): Pinkerton, M.H., J.M. Bradford-Grieve and S.M. Hanchet

5. Results of fish stock assessment survey, South Georgia region, November - December 1986

   rossii and Patagonotothen brevicauda guntheri were an order of magnitude lower than observe by Kock in ... 1985. Abundance of Dissostichus eleginoides and Pseudochanichthys georgianus appeared lower in 1986/87 ... Champsocephalus gunnari were larger in 1986/87 than 1984/85, probably due to good recruitment of 1983/84 and 1984 ... /85 year classes. Coefficients of variation ranged from 67.9% (Notothenia squamifrons) to 12.6% (C ... larger in 1986/87 than 1984/85, probab~ue to good recruitment of 1983/84 and 1984/85 year classes ... differential distribution of the year class by size, and more likely, the use of unlined 80 mm mesh in that ... lengths ranged between 13-76 cm, with an overall mean length of 34.2 cm (Figure 20). In contrast to ... large 1974;75 year class identified in previous virtual population analyses, when consistent age ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 143-183 : Auteur(s): Gabriel, W.L.

6. Estimating krill recruitment and its variability

   recruits in a population sampled by a net haul survey. Preliminary results from a series of five net haul ... surveys in the South Atlantic and the Indian Ocean sectors of the Southern Ocean give a mean recruitment ... rate for 1+ krill (the ratio of the number of krill aged one year to the number of krill aged one year ... for 2+ krill (the ratio of the number of two-year-old krill to the number aged two and above) from ... used in fitting the distribution to the one-year-old and Estimating Krill Recruitment and its ... classes in fitting to two- densities for each length calculated using year-old and above. equation (6 ... ), taking the second group with mean length in the range 30 to 38 mm as age class 2, are: Number of ... peaks for putative one-year-old krill suggest that this weaker assumption is more likely to hold in ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 55–69 : Auteur(s): de la Mare, W.K

7. Review of length-weight relationships for Antarctic krill

   indicate the timing of spawning varies from year to year. The seasonal variation in krill weight clearly ... 927mg 913mg 931 mg 912mg 860mg 796mg Data for February were collected in different years and ... of one month (Table 4). Because spawning may occur in different months during different years ... for wet wei~ht (in mg) and total length (AT in mm). Month Several years Several years ...

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

8. Potential interactions between wandering albatrosses and longline fisheries for Patagonian toothfish at South Georgia

   continental shelf in areas very similar to where the longline fishery operates and are therefore at serious ... risk from these fisheries at this time. Until fishing methods which do not catch albatrosses are in ... comprehensive use, we recommend that the South Georgia longline fishery for D. eleginoides should be managed in ... m and deeper. - - and fishing took place in most months of the year with between 1 and 12 ... , satellite-tracking, South Georgia, wandering albatross INTRODUCTION Over the last 20 years wandering ... Island for their assistance in the research on satellite tracking of D. exulans in recent years ... South Georgia continental shelf in areas very similar to where the longline fishery operates and are ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 101–110 : Auteur(s): Croxall, J.P. and P.A. Prince

9. An assessment of the merits of length and weight measurements of Antarctic krill Euphausia superba

   predictors of wet or dry weight in Antarctic krill Euphausia superba Dana are standardised with new data on ... biomass based on acoustic data. An alternative approach is examined in which length and additional ... biological data are assessed in terms of decreases in the residual variance of relationships. We have ... identified key sources of variability where relatively small increases in the effort of analysis result in ... ) Abstract Published relationships of various length measurements as predictors of wet or dry weight in ... alternative approach is examined in' which length and additional biological data are assessed in terms of ... decreases in the residual variance of relationships. We have identified key sources of variability where ... relatively small increases in the effort of analysis result in large improvements in the precision of ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 371-373 : Auteur(s): Morris D.J., J.L. Watkins, C. Ricketts, F. Buchholz, and J. Priddle

10. Krill population biology during the 1991 Chilean Antarctic krill fishery

    419 hauls. In Area A, a unimodal size frequency distribution was found; the size range was between 30 ... / Description:  Population biology of Antarctic krill, Euphausia superba, was studied from samples taken in 1991 ... spermatophore had a 36.5 mm TL, 80% of the females with spermatophores had a TL larger than 45 mm. In Area B, a ... juvenile specimens between 20 and 39 mm TL. Females comprised 47.1%, males 40% and juveniles 12.9%. Of the ... : Total catch (tonne/mile) in both areas during the three time periods. 50 % 60 40 30 20 10 ... ' 59°55,3' 2.60 58 14 21:30 21.02.91 62°08,1' 59°51,5' 2.40 50 20 09:30 22.02.91 62°08,9' 59°56,4 ... °17,6' 2.70 50 30 18:20 03.03.91 62°26,0' 61 °17,8' 2.80 40 39 08:30 04.03.91 62°33,5' 61 °22,7' 2.90 ... % 50 40 20 o V / / '" Males Females Juveniles Figure 7: Sex composition of E. superba in the ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 223–235 : Auteur(s): Mujica R., A., E. Acuña S. and A. Rivera O.

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