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Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.3b
) skates released alive should be doubled-tagged (i.e. two tags per skate) at a rate of one skate in every ... was limited to Japanese, Spanish and Uruguayan vessels using longlines only, and no more than one vessel per ... country was permitted to fish at any one time (Conservation Measure 41-07). The precautionary catch ... were released in Division 58.4.3b and one was released in Division 58.4.1 (Figure 6); (ii) large ...
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Fishery Report: Closed fishery for Dissostichus spp. in Divisions 58.4.4a and 58.4.4b
(Figure 3). These ages may be overestimated by one year due to an interpretation issue concerning ... . 9. A sample of otoliths collected in 2007/08 has been aged and results reported in WG-FSA-10/48. Ages of 214 ... growth curves fitted to the estimated age and length data (Figure 3). TOT 58.4.4 5 Figure ... using stock parameters from WG-FSA-10/48, and the mean age of first and full selection by the research ...
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Fishery Report: Dissostichus eleginoides South Georgia (Subarea 48.3)
this with one or two years of additional catch-at-age data. 38. The Working Group therefore considered two ... in one or two years. 31. Figure 13 shows the likelihood profile for the current assessment model ... the predicted future spawning biomass (SSB) was below 20% of B0 in the respective sample of any one year ... . 1). Table 3: Sample size for age determination of fish caught in Subarea 48.3. Year Sample size for age ...
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Fishery Report 2013: Dissostichus eleginoides South Georgia (Subarea 48.3)
for age determination of the target and most frequently taken by-catch species. Length-frequency ... depth preferences with age, with juveniles (<50 cm) living on the continental shelf and moving ... and maturity. Otoliths are collected by observers for an ageing program that provides length-at- age data ... was assessed using an age-structured CASAL integrated stock assessment model for both sexes combined with ages ...
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Convention on the Conservation of Antarctic Marine Living Resources
of whom shall serve for a term of two years and shall be eligible for re-election for one additional term ... to this Article, a regional economic integration organisation shall have only one vote. Article XIII ... this Convention applies. The first meeting shall, in any event, be held within one year of the entry into force ... of the Commission. Article XXX 1. This Convention may be amended at any time. 2. If one-third of the Members ...
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Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.2
be simply a differential immature/mature distribution of animals of one stock, as is seen in the Ross Sea ... be doubled-tagged (i.e. two tags per skate) at a rate of one skate in every five skates caught ... and 33 D. eleginoides (total 1 676 fish) have been tagged and released, and one recapture has been ... (2) scientific observers, one of whom shall be appointed in accordance with the CCAMLR Scheme of International ...
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Dissostichus eleginoides Heard Island (Division 58.5.2)
population (ages 4, 5, 6 and 9; Figure 5.19). The 9-year-old cohort was not used to estimate ... Expected Density (n km–2) Survey year Area (km2) Age 3 Age 4 Age 5 Age 6 Age 7 Age ... in the age range 3 to 8 years used from other surveys (see WG-FSA-96/38). The 2000 survey was also excluded ... in Division 58.5.2. Based on a natural mortality of 0.165 yr–1. Year at age 4 birthday WG-FSA-04 ...
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Fishery Report: Dissostichus eleginoides Heard Island (Division 58.5.2)
to ± one standard error of the estimate and the fitted series (line). TOP 58.5.2 19 Age (yrs ... Group recalled that estimates of length-at-age for fish greater than 20 years of age would improve ... lines are shown at ages 5 and 10. TOP 58.5.2 20 Year N o. R ec ru its (m il) 0 5 10 ... five years as described in Candy et al. (2007). This model is based on validated age data (WG-FSA-05 ...
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Fishery report: Dissostichus eleginoides Heard Island (Division 58.5.2)
from the 2004 assessment were replaced this year by a length-at-age vector based on the two-segment ... that estimates of length-at-age for fish greater than 20 years of age would improve with data from the longline ... the new two-segment linear growth model of WG-FSA-05/64 Rev. 1 as the basis for setting length-at-age ... 3 and 4 were absent, as were ages 7 and 8. The 9-year-old cohort was not used to estimate the recruitment ...
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Fishery Report 2017: Dissostichus eleginoides South Georgia (Subarea 48.3)
1). 20. The stock of D. eleginoides in Subarea 48.3 was assessed using an age-structured CASAL ... , then the fishing vessel must move at least 5 n miles away for a period of at least five days. 30. Catches ... Nototheniidae, or Antarctic cods. Toothfish show distinct depth preferences with age, with juveniles (<50 cm ... , length frequencies, weights and maturity. Toothfish otoliths are collected by observers for an ageing ...
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