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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
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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 : Автор(ы): Kawaguchi, S., S. Candy, S. Nicol, K. Taki and M. Naganobu
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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-14Meeting Report : WG-FSA-14
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Fishery Report: Champsocephalus gunnari South Georgia (Subarea 48.3)
(proportion of the catch) Le ng th (c m ) 10 20 30 40 50 1986/871987/881988/901989/901990/911991 ... 5 10 15 20 25 30 35 40 45 50 55 60 South Georgia January 2010 0 1000 2000 3000 4000 0 5 10 15 ... 20 25 30 35 40 45 50 55 60 Shag Rocks January 2010 Length (cm) Length (cm) Fr eq ue nc y ANI ... could affect the performance of the harvest control rule differently whether an age- or a length-based ...
Document : Site Section: Publications
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e-sc-xxxi-a07.pdf
... obtain additional age-based information for earlier years of the fishery. 5.30 The assessment ... . Management advice 4.6 The Working Group did not undertake an assessment of C. gunnari for Subarea 48.3 in ... operations and a catch limit of 30 tonnes of C. gunnari was set aside for research and by-catch (4.4 tonnes ... catch for the current CCAMLR season reported to October 2012 was 2 957 tonnes. 4.22 An integrated
application/pdf attached to:WG-FSA-12Meeting Report : WG-FSA-12
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Fishery Report: Champsocephalus gunnari South Georgia (Subarea 48.3)
). Weighted Frequency (proportion of the catch) Le ng th (c m ) 10 20 30 40 50 1986/871987/881988 ... control rule differently whether an age- or a length-based projection was undertaken. The impact of this ... limits for these species. Champsocephalus gunnari play an important role in the ecosystem of the South ... penguins (WG-FSA- 08/30). Icefish may also be consumed by juvenile toothfish in years of high icefish ...
Document : Site Section: Publications
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e-sc-xxvii-a6.pdf
... instructions for all fisheries to reflect this revised definition of an injured bird. Seabirds in trawl ... Conservation Measure 41-02 for an extension to the fishing season for toothfish in Subarea 48.3 for those ... France submit similar figures in 2009 for both Subarea 58.6 and Division 58.5.1, based on an incidental ... proportions of hooks observed were similar to those observed last year, ranging from 13 to 100% with an
application/pdf attached to:WG-IMAF-08Meeting Report : WG-IMAF-08
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Fishery Report 2017: Dissostichus eleginoides Crozet Island French EEZ (Subarea 58.6)
of otoliths for age determination of the target and most frequently taken by-catch species ... 50 to 120 cm in length, with a single mode for all seasons at approximately 60–80 cm. These length ... mortality, would be valid for the stock in Subarea 58.6. Age- specific data from Crozet otolith sampling ... ) (WG-FSA-13/05). 20. WG-FSA-17/59 presented an updated stock assessment of D. eleginoides at Crozet ...
Document : Site Section: Publications
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By-catch of fish in the krill fishery
55 1335 1.16 75 9 2 60 23 46 18 780 600 70 100 1650 1.16 76 10 2 60 26 46 20 230 460 30 90 730 1.50 ... , USSR 381 1. INTRODUCTION During the past 20 years a major krill fishery has become established ... analysis. Numbers and weights of fish in these subsamples have been increased pro rata to give an ... 7 400 500 40 40 30 1745 1.83 71 20 4 54 14 35 18 250 470 545 2.25 86 10 5 55 0 33 47 3000 3000 70 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 381–401 : Автор(ы): Everson, I., A. Neyelov and Y.B. Permitin
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Summary of the toothfish fishery and tagging program in the Ross Sea region (Subarea 88.1 and SSRUs 882A–B) through 2017/18
recaptured in 2018 was similar to that recaptured in previous years, with some fish recaptured after 14 years ... 2018 season. Despite 2018 being the first year of implementation of the Ross Sea region Marine ... slope area outside the MPA and south of 70°S. The median and 90 th percentile scaled length ... distributions showed no trend over time in the shelf, slope or northern areas. Patterns in the age frequency of ...
Meeting Document : WG-FSA-18/46 : Автор(ы): S. Mormede and S. Parker
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