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Fishery Report: Dissostichus eleginoides and Dissostichus mawsoni South Sandwich Islands (Subarea 48.4)
assessment of the Northern Area after four experimental years. An extension of the experiment for a further ... Area of Subarea 48.4 for a further two years. 53. The Working Group agreed that the experiment in the ... estimate an annual yield of 28 tonnes of D. eleginoides for the subarea (SC-CAMLR-XII, Annex 5, paragraph ... . eleginoides and D. mawsoni combined) in the Southern Area; (ii) the introduction of a move-on rule for by ...
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Fishery Report: Champsocephalus gunnari South Georgia (Subarea 48.3)
Frequency (proportion of the catch) Le ng th (c m ) 10 20 30 40 50 986/87987/88988/90989/90990 ... in the analysis for the first time. Ten strata were used (Figure 2; Table 2), with two depth strata ... 2007 and 63 in 2006), but two were excluded as they fell outside the depth range used for the ... assessment. 9. An estimate of the one-sided lower 95% CI of biomass was calculated for the assessment and ...
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Fishery Report: Champsocephalus gunnari Heard Island (Division 58.5.2)
Increments in year 365 Years to project stock in simulation 2 Reasonable upper bound for annual F 5.0 ... should be treated as Weighted Frequency (proportion of the catch) Le ng th (c m ) 10 20 30 40 ... ). Champsocephalus gunnari have been absent, or present in very low abundances, on Shell Bank over recent years ... biomass to below 75% of the level that would occur in the absence of fishing within the two years ...
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Fishery Report: Dissostichus eleginoides and Dissostichus mawsoni (TOT) South Sandwich Islands (Subarea 48.4)
these data to estimate an annual yield of 28 tonnes of D. eleginoides for the subarea (SC-CAMLR-XII ... rajids of 2.5 tonnes (5% of the catch limit for D. eleginoides). Subarea 48.4 South – (i) an ... combined) (ii) a move-on rule for by-catch species, if the catch of rajids exceeds 5% of the catch of ... Subarea 48.4 North and 30 tonnes for Dissostichus spp. in Subarea 48.4 South f 48 tonnes for D ...
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Fishery Report: Champsocephalus gunnari Heard Island (Division 58.5.2)
1 Dec Increments in year 365 Years to project stock in simulation 2 Reasonable upper bound for ... . Weighted Frequency (proportion of the catch) Le ng th (c m ) 10 20 30 40 50 1996/97 1997/98 1998 ... absent, or present in very low abundances, on Shell Bank over recent years. Due to their low abundance ... for C. gunnari, starting at 2.5 years and fully selected at age 3. Recruitment 14. The short-term ...
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Fishery Report: Dissostichus eleginoides South Georgia (Subarea 48.3)
the results were strongly dependent on the informative priors for the two catchability parameters ... under way for four years in Subarea 48.3. Progress has been made on the assessment, however, this is ... them by, on average, 3.6% over the reported figures for that year. The resultant catch series is ... 100 tonnes respectively, with an overall catch limit for SGSR of 3 000 tonnes. The total declared ...
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Fishery Report: Champsocephalus gunnari South Georgia (Subarea 48.3)
Frequency (proportion of the catch) Le ng th (c m ) 10 20 30 40 50 1986/87 1987/88 1988/90 1989/90 ... area and depth strata. 9. An estimate of the one-sided lower 95% CI of biomass was calculated for the ... bounds on cohorts. 5 ANI 48.3 Table 4: Results generated from CMIX for the truncated length ... 14. A knife-edge selectivity vector was used for C. gunnari, starting at 2.5 years and fully ...
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Fishery Report: Champsocephalus gunnari (ANI) South Georgia (Subarea 48.3)
projection of yield (tonnes) for 2012 (year 1) and 2013 (year 2) was completed in WG-FSA-11/30 and produced ... fishing season was from 1 December 2011 to 30 November 2012 and the catch limit for C. gunnari was 3 072 ... penguins (WG-FSA-08/30). Icefish may also be consumed by juvenile toothfish in years of high icefish ... rapid and marked decline in krill abundance in the region. This, in turn, had an impact on predator ...
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WG-FSA-08/60
between 20 and 30 magazines of longline. Each magazine holds about 1000 to 1200 hooks – depending on hook ... must undertake the following research activities: 20 (i) On first entry into an SSRU, the ... an SSRU. (iv) On completion of 20 research hauls the vessel may continue to fish within the SSRU ... updates Fenaughty and Bennett (2005), Longlining Operations on New Zealand Autoline Vessels Fishing for ...
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Sea Ice Biota: Trophic modelling of the Ross Sea
may be large enough (chains 10–30 m long) to serve as food for juvenile krill since ... & Thomas 2004). For example, in the eastern ice pack in spring, 80% of epontic algal biomass was on the ... value of P/B appropriate for an annual average calculation is not equal to the average of P/B values ... for epontic algae in the Ross Sea based on the following assumptions. (1) Where a maximum and ...
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