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1. Australia: An integrated stock assessment for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2

   ) 0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 C at ch ( to n n e s) Year ... survey catch-at-age WG-FSA-17, para. 3.21: ‘The WG recommended that fitting survey data as two ... from catch-at-length, year-specific age-length keys (ALKs) and ageing error for survey and commercial ... (Oj) with multinomial distribution) – Francis 2011 Figure 3: Bubble plot of age observations by year ...

   Document : Site Section: Meetings

2. Observation of seabirds in the Southern Ocean in 1988/89

   :00; 12:00, 16:00 and 20:00 ship-time, while sailing between Antarctic stations and while en route to ... Southern Ocean to the south of 60°S. Thirty minute observations were made daily during daylight hours at 8 ... 73°30'S in the Pacific sector. Most often single birds were observed and it was rare for two to be ... part of the Mawson Sea (61°S, 108°W). In the Paciftc sector only small numbers (one or two) of birds ... (72°34'S, 173°W). A repeated survey of the Indian Ocean sector in autumn revealed that one or two ... exceed one or two. A slight increase of wandering albatrosses to the north was observed in the autumn ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 521–542 : Auteur(s): Vagin, A.V. and V.V. Popov

3. Krill catches and consumption by land-based predators in relation to distance from colonies of penguins and seals in the South Shetlands and South Orkneys

   March was taken within 40 km of the coast, and 90% within 80 km in all years 1988-1990. In 1987 and 1988 ... Abstract:  Zones of 20 km width are defined around selected colonies of penguins distributed ... 75% of the catch in Subarea 48.2 between December and March was taken within 80 km of colonies in the ... are used to show that for some years, months and zones of distance from the shore the catch of krill ...

   Meeting Document : SC-CAMLR-X/BG/07 : Auteur(s): Secretariat

4. A study of Patagonian toothfish (Dissostichus eleginoides) post-tagging survivorship in Subarea 48.3

   . Toothfish were kept in tanks with seawater replacement for at least 12 hours after tagging. On one vessel ... , 396 animals were included, with an overall survivorship of 90%. Smaller animals and animals in better ... -tagging survivorship of 95% or more. An assumption of 90% post-tagging survivorship is a conservative ... oo d 2a ve ra ge 3p oo r fish.length.cm s( fis h. le ng th .c m ) 60 70 80 90 100 -5 0 ... 5 days.after.1.June s( da ys .a fte r. 1. Ju ne ) 0 20 40 60 80 -2 -1 0 1 2 3 4 ... ( fis h. le ng th .c m ) 60 70 80 90 100 -5 0 5 days.after.1.June s( da ys .a fte r. 1. Ju ... ne ) 0 20 40 60 80 -2 -1 0 1 2 3 4 fishing.depth.m s( fis hi ng .d ep th .m ) 600 800 ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 279–289 : Auteur(s): Agnew, D.J., J. Moir Clark, P.A. McCarthy, M. Unwin, M. Ward, L. Jones, G. Breedt, S. Du Plessis, J. Van Heerdon and G. Moreno

5. e-sc-xi-a4.pdf

   ... below 20% of its average pristine level over a 20-year period under a constant annual catch is 10 ... falling below 20% of its average pristine level over a 20-year period of constant-catch harvesting had ... Punta Arenas, commenting that this was the first time the Group had met in the Southern Hemisphere ... after February). 3 2.4 A Preliminary Agenda had been circulated prior to the meeting. Two application/pdf attached to:WG-KRILL-92

   Meeting Report : WG-KRILL-92

6. e-cc-xv.pdf

   ... ever met together at one place and one time. 1.10 His Excellency said CCAMLR was a truly remarkable ... . He informed the meeting that Scientific Committee Working Groups had met during the year in Bergen ... Fish Stock Assessment (WG-FSA)). Two ad hoc subgroups associated with WG-EMM had also met during the ... for the previous two financial years, the Commission decided that a full audit should be performed on application/pdf attached to:CCAMLR-XV

   Meeting Report : CCAMLR-XV

7. e-sc-v.pdf

   ... scales as the catch and effort data. Such data should be submitted by September 30 each year. 4.13 To ... data from commercial finfish fisheries should be September 30 each year. Formats for the submissions ... absence of catches at a rate of approximately 30% per year. This projection implies that, in the absence ... ) A closure of the fishery in the area 48.3 to all fishing for a period of one year or more. This application/pdf attached to:SC-CAMLR-V

   Meeting Report : SC-CAMLR-V

8. A simple approach for calculating the potential yield of krill from biomass survey results

   median pre-exploitation level over a 20 year period of harvesting should equal 10%. The value of, λ ... for the calculations is that the probability that the krill spawning biomass drops below 20% of its ... -exploitation level over a 20 year period of harvesting should equal 10%. The value of 'A, depends strongly on ... size drops below 20% of its average value prior to exploitation, over a 20 year period of harvesting ... -lived animal. If this is correct, one would not expect a value of M that is very high (or too few krill ... 0.2 occurs during the 20 year harvesting period. (x) Repeat steps (ii» to (ix) for different values ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 207–217 : Auteur(s): Butterworth, D.S., A.E. Punt and M. Basson

9. Low breeding success of the Adélie penguin at Béchervaise Island in the 1998/99 season

   fewer local trips and both sexes spent longer at sea than in years of higher breeding success. Meal ... seven days during mid-January each year at longitude 60°E. Chick Growth (CEMP A7) About 30 chicks ... Season year is shown in Table 1. We found a negative (Kruskal-Wallis One-way ANOVA on Ranks ... years. Two other years, 1994/95 and 1995/96, also experienced low breeding success rates of 0.05 and ... significantly greater in 1998/99 than in two of the years with higher breeding success (p < 0.05), and the ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 151–167 : Auteur(s): Irvine, L.G., J.R. Clarke and K.R. Kerry

10. Revised age and growth estimates for Antarctic starry skate (Amblyraja georgiana) from the Ross Sea

    been generated that suggest much slower growth, greater ages-at-maturity (about 20 years compared with ... Paper Title:  Revised age and growth estimates for Antarctic starry skate (Amblyraja georgiana ... ) from the Ross Sea Abstract / Description:  A previous study on the age and growth of Amblyraja ... georgiana in the Ross Sea suggested that these skates initially grow very rapidly for about five years ... underestimated Estimated age (years) 0 10 20 30 40 P el vi c le ng th (c m ) 0 20 40 60 80 100 ... skates having large discrepancies between the two readers. 10 20 30 R ea de r 2 , r ea di ng 4 ... 20 30 40 P el vi c le ng th (c m ) 0 20 40 60 80 Reader 1 (N = 216) Reader 2 (N = 98 ... aged up to about 20 years (Figure 2). However, beyond 20 years, reader 1 consistently aged skates ...

    Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 211–220 : Auteur(s): Francis, M.P. and M.J. Gallagher

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