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CCAMLR

Comisión para la Conservación de los Recursos Vivos Marinos Antárticos

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  1. 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 : Autor(es): 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

  2. 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 ... , paragraph 3.48); • continued development of operational definitions of Article II in the context ofdownload attachment application/pdf attached to:WG-KRILL-92

    Meeting Report : WG-KRILL-92

  3. e-cc-xv.pdf

    ... ever met together at one place and one time. 1.10 His Excellency said CCAMLR was a truly remarkable ... 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 ... two subsequent years, and that the policy for distributing publications should, in 1997, continue asdownload attachment application/pdf attached to:CCAMLR-XV

    Meeting Report : CCAMLR-XV

  4. e-sc-v.pdf

    ... landings of the main commercial fish species from area 48.3 in recent years have been as follow s (in ... annual catches of krill over the past two years. Several nations reported improved success in preparing ... 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 submissionsdownload attachment application/pdf attached to:SC-CAMLR-V

    Meeting Report : SC-CAMLR-V

  5. 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 ... the following 20 years, is that from a single pre-exploitation biomass survey. No account is taken of ... -lived animal. If this is correct, one would not expect a value of M that is very high (or too few krill ... aged a years and above (Ba+) is given by: Ba+(y)= f Wa Ny,a exp[-{1.5 M/12+F(Y)/2}] (A.7) a=a+ The ... DYNAMICS MODEL . The numbers of lain of age a years at the start of "year" y (Ny,a) are governed by the ...

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

  6. 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 ... 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 ... carrying out the dietary analysis. We are also grateful to E. Woehler, S. Nicol, Y. Cherel and one ... seven days during mid-January each year at longitude 60°E. Chick Growth (CEMP A7) About 30 chicks ...

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

  7. 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 ... georgiana in the Ross Sea suggested that these skates initially grow very rapidly for about five years ... 6–11 years) and greater maximum ages (28–37 years compared with 14 years). Several pieces of ... Paper Title:  Revised age and growth estimates for Antarctic starry skate (Amblyraja georgiana ... underestimated Estimated age (years) 0 10 20 30 40 P el vi c le ng th (c m ) 0 20 40 60 80 100 ... aged up to about 20 years (Figure 2). However, beyond 20 years, reader 1 consistently aged skates ... skates having large discrepancies between the two readers. 10 20 30 R ea de r 2 , r ea di ng 4 ... (years) 0 10 20 30 40 R ea de r 1 , r ea di ng 2 (y ea rs ) ( m ea n ± 2S E ) 0 10 20 ...

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

  8. Towards an initial operational management procedure for the krill fishery in Subareas 48.1, 48.2 and 48.3

    reductions may prove necessary during the 20 year period considered. Simulation tests, including one ... ;Composite Index" proposed by the Workshop on the krill CPUE simulation study. Annual TAC&#039;S are ... as the average CPUE over that time. Thereafter TAC&#039;S may increase by Cr% per annum. However ... &#039;s CPUE values fall below a target level of 0.75 CPUEref. An operating model of kril1 dynamics in ...

    Meeting Document : SC-CAMLR-VIII/BG/17 : Autor(es): Delegation of South Africa

  9. Fishery Report 2014: Dissostichus eleginoides Heard Island (Division 58.5.2)

    the years from 1997 to 2008 and 2013, sufficient numbers of fish had been aged to calculate year ... 20% of the pre-exploitation median spawning biomass in any one year, for each year over a 35-year ... 15 15 80 0 10 10 50 1 4 5 2008 150 0 37 37 80 0 20 20 50 2 18 21 2009 150 0 53 53 80 0 27 27 50 9 ... . Parameter Number Starting valuesa Prior Lower bound Upper bound SSB0 1 90 000 uniform 30 000 ...

    Document : Site Section: Publications

  10. e-imaf-00 report.pdf

    ... catch into summer and winter components. Three alternative splits (80:20, 70:30 and 60:40) were used ... project had demonstrated a 28% decline in the breeding population over the last 20 years and concluded ... Vessels which have fished for at least three cruises in two years and consistently failed to comply with ... of 65°S in order to conduct line-weighting trials. Line Weighting 7.58 As in previous years, nodownload attachment application/pdf attached to:Ad Hoc WG-IMAF-00

    Meeting Report : Ad Hoc WG-IMAF-00

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Correo electrónico: ccamlr [at] ccamlr [dot] org
Teléfono: +61 3 6210 1111
Facsímil: +61 3 6224 8744
Dirección: 181 Macquarie Street, Hobart, 7000, Tasmania, Australia

 

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