Résultats de la recherche
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e-cc-xxx-a5.pdf
... Antarctica Workshop (A$14 000). 119 38. The Scientific Committee also advised that a two-year ... scholarship from the General Science Capacity Fund had been awarded at a cost of up to A$30 000 over two ... APPENDIX II: Revised budget for the year ended 31 December 2011 ............. 122 APPENDIX III: Draft ... budget for the year ended 31 December 2012 ................. 123 APPENDIX IV: Forward estimate for the
application/pdf attached to:SCAF-11
Meeting Report : SCAF-11
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Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.3b
3). 20. The Working Group recalled that it had agreed last year (SC-CAMLR-XXVII, Annex 5 ... 20 1 2007/08 80 7 50 1 157 20 1 2008/09 80 4 50 1 102 80 0 Table 5: By-catch reported in C2 data ... doubled-tagged (i.e. two tags per skate) at a rate of one skate in every five skates caught in ... 60°S 20 114 134 Namibia Antillas Reefer North 60°S 20 6 26 Uruguay Banzare North 60°S 10 7 17 ...
Document : Site Section: Publications
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Fishery Report: Closed fishery for Dissostichus spp. in Divisions 58.4.4a and 58.4.4b
for females and from 5 to 46 years for males (Figure 3). These ages may be overestimated by one ... 58.6 58.5.158.4.3a 58.4.2 58.7 58.4.4b 58.4.4a TOT 58.4.4 2 1.1 Reported catch 3. Two ... 1 closed* 18 0 58 <1 77 0 77 2008/09 0 closed 0 0 0 0 0 0 0 2009/10 1 closed* 8 0 51 0 59 80 139 ... 2000/01 4 4 …. 2007/08 19 11 21 26 <1 2009/10 9 20 16 14 TOT 58.4.4 3 ...
Document : Site Section: Publications
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Factors that may influence the accuracy of abundance estimates from CCAMLR tag-recapture programs for Dissostichus spp. and best practice for addressing bias
. Candy, S.G. 2011b. Estimation of natural mortal- ity using catch-at-age and aged mark-recapture data: a ... Science, Vol. 20 (2013): 63–72 63 Factors that may InFluence the accuracy oF abundance estImates From ... with respect to M, R and C. Where these assumptions are not met, parameter estimates may be biased ... handled. For example, there are at least two individual toothfish in the Heard Island and McDonald ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 63–72 : Auteur(s): Welsford, D.C. and P.E. Ziegler
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Fishery Report 2013: Dissostichus eleginoides South Georgia (Subarea 48.3)
60 70 80 90 100 + Proportion surviving 1.0 0.96 0.95 0.95 0.94 0.83 0.8 19. Since the length ... . 10 30. If the by-catch of skates and rays or macrourids exceeds 1 tonne in any one haul or set ... . Throughout this report the CCAMLR fishing season is represented by the year in which that season ended, e.g ... . 2012 represents the 2011/12 CCAMLR fishing season (from 1 December 2011 to 30 November 2012 ...
Document : Site Section: Publications
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An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands using CASAL
Division 58.5.2), using CASAL and data consisting of multi-year random stratified trawl survey (RSTS ... data included in the model, age-4 and 5 fish are fully selected, whereas when the survey data have ... at ea u s L s U a 1 a 2 SG 3 19 90 SG 5 19 93 SG 2 19 99 SG 7 20 03 SG 1 a2 -e ... variation (CV) for length given age, (ii) use of non-informative pri- ors for year-class strength ... , 2007b, paragraph 4.6(ii)) noted that the CV in year-class strength (YCS – number of annual age-1 ... with M kept fixed at 0.13 year–1 as recommended in SC-CAMLR (2006). The maximum age was set to 35 ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 1–34 : Auteur(s): Candy, S.G and A.J. Constable
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e-sc-xxxi-a07.pdf
... dependence of the fishery on only one or two cohorts and the problems associated with this in projecting ... median fish length in SSRUs 881H and I over the last two to three years. This appears to be at least ... the assessment last year (SC-CAMLR-XXX, Annex 7), additional size-at-age and catch-at-age information ... on 1 December 2011 and will end on 30 November 2012, and fishing was still in progress in some areas
application/pdf attached to:WG-FSA-12
Meeting Report : WG-FSA-12
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Fishery Report: Dissostichus eleginoides South Georgia (Subarea 48.3)
groundfish survey hauls shallower than 400 m around Shag Rocks. Length (cm) Year 10 15 20 25 30 35 40 45 ... proportion 40 1 50 0.95 60 0.95 70 0.95 80 0.9 90 0.85 100 0.83 110 0.83 20. Exploratory runs and ... will become clearer when the 2001 cohort has fully recruited to the fishery in one or two years. 31 ... distinguish between these two hypotheses but it will be possible to do this with one or two years of ...
Document : Site Section: Publications
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CPUE indices used in Soviet krill fishery statistics from 1977 to 1992 and their possible utility for evaluation of relative changes in krill biomass
0 2 4 6 8 10 12 14 16 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Catch per vessel ... exceeded 10 tonnes, more than 80% of the krill were dam- aged and losses of the raw krill material could ... 1986 to 1991 (RIF statistics). 0 5 10 15 20 25 30 35 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ... 2 20 8 0. 19 80 25 0. 60 15 68 51 2 0. 81 15 76 0. 73 81 57 84 0. 88 91 ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 165–177 : Auteur(s): Litvinov, F.F., A.Z. Sundakov and V.I. Arkhipov
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Growth and age/length structure of populations of Notothenia (Lepidonotothen) squamifrons (Nototheniidae) in various areas of the Indian sector of the Southern Ocean
paper. It was found that during the first years of life the linear growth rate is 3 to 5 cm per year. It ... Paper Title: Growth and age/length structure of populations of Notothenia (Lepidonotothen ... : Age, growth and age/length composition of populations of grey rockcod (Notothenia (Lepidonotothen ... decreases by a maximum of 1 cm during the last years of life. Maximum annual weight increments of 100 to 120 ... 20 to 36 cm in length, aged 4 to 12 (T =8 years) and on the Lena Bank - 22 to 32 cm in length, aged ... 'I 'I 'I 1000 500 fO 20 30 Y Y 'I 40 2/ / / / / / / / , ,1 I I ... 1972; 2=1980 to 1986. 133 30 20 f978 n=770 t=7,5 fa 20 (979 n=2327 fa 20 1980 (1;5426 ... 10 '-ID 1986 n=68S9 t=8,O 3D 20 to ItO 30 1987 rt=6223 t=7,8 20 fO 8 12 f6 20 24 28 32 36 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 123–139 : Auteur(s): Zaitsev, A.K.