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1. Fishery Report 2013: Dissostichus eleginoides Heard Island (Division 58.5.2)

   , selectivity is high for 6-year-old fish and effectively declines to zero for fish older than 20 years. 18 ... Division 58.5.2 was estimated using large amounts of catch-at-age data for the first time in WG-FSA-09/20 ... longline gear is able to catch older fish (>20 years) more efficiently than trawl gear. For trawl gear ... assessment to include all recent years for which the information is available (ii) review the tagging ...

   Document : Site Section: Publications

2. Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)

   valid method for determining the age of this species. In addition, sagittal otoliths were examined from ... , 2.5 and 3.5 years were estimated to be 14, 28, 37 and 46 cm total length (TL) respectively. These ... fish younger than 3.5 years. Counting translucent zones in the otoliths of D. mawsoni appears to be a ... D. mawsoni that had been injected with oxytetracycline some years before recapture. The six ... . 0 20 40 60 80 100 120 140 160 180 0 5 10 15 20 25 30 Age (years) To ta l l en gt h ... effect). Age at recapture for the six fi sh was estimated to be between 19 and 28 years (Table 2 ... is from 0.6 to 4.0 cm yr-1 for fi sh aged from 15 to 30 years. It is interesting that all the ... the otoliths of D. mawsoni appears to be a valid method for determining the age of this species. In ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 125–138 : Autor(es): Horn, P.L., C.P. Sutton and A.L. DeVries

3. e-sc-xv.pdf

   ... species parameters and, in particular, the need for an improved method to identify anomalous years; and ... compiled here for Russia and Ukraine separately for the complete split-year, i.e. 1 July 1991 to 30 June ... expressed an interest in fishing for krill, although at present no actual plan had been formulated ... Dr Kock stated that D. mawsoni is mentioned as a future target species for these fisheries, and that application/pdf attached to:SC-CAMLR-XV

   Meeting Report : SC-CAMLR-XV

4. Chilean krill fishery: analysis of the 1991 season

   paper summarises Chilean catch data for 1991. Special emphasis is given to the analysis of haul-by-haul ... 100 co ...r 90 ctl Q) "- 80 ctl .0 ::J 70 Cl) 60 E 0 '-....... 50 .c () 40 ro () 30 ... potential impact of kriU fishing on other components of the Antarctic ecosystem. For the review, a ... . 281 Chilean Krill Fishery Analysis of 199 'I season 90 ~·_~w __ 80 --- --..-... E ---- 75 ... 20 25 30 35 Fishing day (Starting 20/02/91) Figure 7: Daily average haul depth Cm) during 1991 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 273–287 : Autor(es): Marín, V.H., A. Mujica and P. Eberhard

5. Fishery Report: Champsocephalus gunnari South Georgia (Subarea 48.3)

   simulation 1 Depletion level for test 0.2 Characteristics of a trial Years to remove initial age ... 008 1986/87 - - 80 586 1987/88 1 35 000 36 054 1988/89 - 0 3 1989/90 - 8 000 8 135 1990/91 - 26 ... Frequency (proportion of the catch) Le ng th (c m ) 10 20 30 40 50 986/87987/88988/90989/90990 ... assessment. 9. An estimate of the one-sided lower 95% CI of biomass was calculated for the assessment and ...

   Document : Site Section: Publications

6. WG-FSA-SAM-06

   mark-recapture and catch-age data to estimate fishing and natural mortality for the Patagonian ... growth model for Division 58.5.2 fitted to length-at-age data and a comparison of predicted with observed ... -FSA-SAM-06/12 An update on the development of a management procedure for the toothfish (Dissostichus ... -FSA-SAM-06/13 Review of some assumptions for modelling Patagonian toothfish dynamics at CCAMLR Subarea ...

   Meeting

7. e-sc-xxiv-a6.pdf

   ... animal from a dorsal, ventral or lateral aspect (referred to by the authors as an incidence angle of 90 ... review recommended the use of the DWBA for krill, but predates the development of the SDWBA. (iii) The ... for a review). The subgroup also 569 recognised that combined approaches have the potential to ... and animal shape for krill under the surveying vessel. The subgroup encouraged further work on these application/pdf attached to:SG-ASAM-05

   Meeting Report : SG-ASAM-05

8. Fishery Report: Dissostichus eleginoides (TOP) Heard Island (Division 58.5.2)

   selectivity is high for 6-year-old fish and effectively declines to zero for fish older than 20 years. The ... ) for catch-at-length and catch-at-age proportions by sub-fishery and year are given in WG-FSA-09/20 ... survey were available for the years 2006 to 2011 to determine abundance-at-age using survey- and year ... bu nd an ce (m il) 2002 2004 2006 2008 2010 0 10 00 0 20 00 0 30 00 0 40 00 0 Year of ...

   Document : Site Section: Publications

9. Analysis of trends in Japanese krill fishery CPUE data, and its possible use as a krill abundance index

   Japanese krill fishery for the 1980/81 to 2003/04 fishing seasons were analysed. For a number of ... have some value as abundance indices. Standardised CPUE for the pelagic areas showed significant ... correlations with previously published interannual series of acoustic density estimates from scientific surveys ... vessels. It is also mportant to undertake the same kind of analysis for fleets from other fishing nations ... and TSDT for the whole of Area 48 across years. 0 1 2 3 4 5 6 7 8 9 10 19 80 /8 1 19 81 ... for those years during which the fi shery has operated. In the late 1980s, several attempts were ... the patches). For example, even if local density is the same, if an aggregation is tighter rather ... day (TTPD) and total ship days trawled (TSDT) for the whole of Area 48 across years. NTPD showed a ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 1–28 : Autor(es): Kawaguchi, S., S. Candy, S. Nicol, K. Taki and M. Naganobu

10. e-sc-xxxiii-a7.pdf

    ... with an average age of >25 years. The new matrix aggregated positive errors into a plus group and ... macrourids in longline fisheries, and a review of the efficacy of season extensions in the fisheries for D ... . Comparing these values across months and years yielded an index of good and bad ice years in Subarea 88.1 ... for quality control in age reading, including re-reading of otoliths where two readers disagreed in application/pdf attached to:WG-FSA-14

    Meeting Report : WG-FSA-14

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