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e-sc-40-a5.pdf
... establishing baseline krill biomass estimates and a report has been submitted for review to WG-EMM-2021. WG ... Group noted that 40 mm was selected as an upper boundary for the recruitment ratio, which may include ... krill individuals aged between 1 and 2 years old, and the age-1 group may not be represented adequately ... spatial scale and having an appropriate length cut-off for the proportional recruitment parameter. 3.15
application/pdf attached to:WG-SAM-2021
Meeting Report : WG-SAM-2021
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Estimating krill recruitment and its variability
rate for 1+ krill (the ratio of the number of krill aged one year to the number of krill aged one year ... for 2+ krill (the ratio of the number of two-year-old krill to the number aged two and above) from ... likelihood method is developed for the decomposition of krill density-at-length data into the proportion of ... and above) of 0.339 with a standard deviation (SD) of 0.100. The corresponding result for recruitment ... in those years, or the survey results are not representative for this age class. If the former is ... Estimating Krill Recruitment and its Variability 20 30 40 50 60 Length (mm) 100 90 Nella Dan: ADBEX I ... o 80 8 70 * 60 .$ : 5 30 D 20 10 0 Figure 7: The fit of mixture distributions to ... with R(t) estimated for both putative one- and two-year-old age classes. above data, and four age ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 55–69 : Автор(ы): de la Mare, W.K
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Bird Island, South Georgia, during the 2004 winter and 2004/05 breeding season
, this is after an absence of 3 years from the winter records and 2 years from the summer. These findings ... 64% from last year. For the first time since records started in 1990, none of the injuries were ... % compared to last year; the lowest number of entanglements recorded since 1989. As in previous years, most ... individuals observed entangled in debris were juveniles (80% of winter and 50% of summer observations). Of the ...
Meeting Document : SC-CAMLR-XXIV/BG/16 : Автор(ы): Delegation of the United Kingdom
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Analysis of variability of krill size and fish by-catch in the Japanese krill fishery based on scientific observer data
parameters estimated by the Markov chain Monte Carlo (MCMC) method hardly show difference among years ... Bayesian model. For both krill length and by-catch fish number, vessel sample size shows marked effects on ... the coefficient of variation (CV), although haul sample size affects CV for only krill length data up ... commercial vessels provides important information for the management of krill resources and the Antarctic ... th (m m ) 60 50 40 30 20 (a) Adult size in Subarea 48.1 Overall trend Year E st im at ... Year E st im at ed m ea n le ng th (m m ) 60 50 40 30 20 (c) Adult size in Subarea ... 40 30 20 (e) Year Area Y–A Ves. Cruise Haul Ind. Va ria ... deploying an observer but also of the time budget for the observer because scientific observers are ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 31–47 : Автор(ы): Okuda, T. and M. Kiyota
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e-imaf-03 report.pdf
... requirement. (vi) In addition, the catch limit for the current year is divided into two parts, with 20 ... for any other fishery within the Convention Area; 5 (ii) there is an apparent trend of ... substantial increases in fishing effort (from 19 million hooks to 30 million hooks over the last two years ... /42 Rev. 1 and 00/30); (iii) an ad hoc subgroup be established to collaborate with French scientists
application/pdf attached to:Ad Hoc WG-IMAF-03
Meeting Report : Ad Hoc WG-IMAF-03
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e-cc-xxx.pdf
... of SCAF for two years concluding with the end of the 2013 meeting. SCIENTIFIC COMMITTEE 4.1 The ... available for review by WG-EMM. 4.10 Ukraine advised the Commission that the notification was delayed ... three years, consistent with the schedule for progress in developing a feedback management approach ... encouraged to provide information on these activities and associated research for review by the Working
application/pdf attached to:CCAMLR-XXX
Meeting Report : CCAMLR-XXX
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Trawl bag selectivity in the Champsocephalus gunnari fishery
and the selectivity factor was 3.10 for a mesh size of 80 mm. Comparison of these results with results ... to the limited time available for experiments, should be considered as preliminary. L 50% was 24.8 cm ... from previous years demonstrates close similarity. A significant increase in modal length (up to 34-35 ... was 3.10 for a mesh size of 80 mm. Comparison of these results with results from previous years ... AND AREA Selectivity hauls were made from 17 to 20 June 1990 in an area having the mean coordinates ... of 299 80 cm. Comparison of these results with those from previous years shows close similarity ... - 7 19 - 16 20 30 38 21 - 20 22 - 20 23 - 24 24 38 64 25 534 373 26 1436 866 27 2984 1430 28 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 295–312 : Автор(ы): Bidenko, V.G. and I.G. Istomin
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Fishery Report: Dissostichus eleginoides and Dissostichus mawsoni South Sandwich Islands (Subarea 48.4)
- length composition, using a multinomial likelihood. 20. Tag-release events for the years 2005 to 2009 ... assessment model. 0 10 20 30 40 50 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 SSI Selectivity Age S el ec ... a year. The models were run over the years 1990 to 2010, with an initial unexploited equilibrium ... below 20% of B0 in the respective sample of any one year, for each year in the 35-year projection ...
Document : Site Section: Publications
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e-sc-xv-a5.pdf
... estimations obtained from age determination methods were reasonably satisfactory for fish up to around age 20 ... of a Long-term Management Plan for C. gunnari in Subarea 48.3 Literature Review Commercial ... ) Collection of fish scales and otoliths for age determination. Medium L4 (iv) Monitoring the location and ... time of offal discharge. Low L5 (v) Retaining (whole or head and leg) samples of birds for age and
application/pdf attached to:WG-FSA-96
Meeting Report : WG-FSA-96
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Krill Fishery Report 2017
for more than 10 years are Japan (40 years), Poland (33 years), Korea (27 years), USSR (18 years ... reported within two working days of the end of that five-day period). For an area where the five-day ... closure date for Subarea 48.1 was later than in the two previous years when the fishery was closed on 28 ... 2017/18 fishing seasons; no less than 75% of vessels during the 2018/19 and 2019/20 fishing seasons ...
Document : Site Section: Publications
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