Résultats de la recherche
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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 ... . Due to their low abundance observed in the current year, no assessment has been conducted for the ... were present in ages 1+- 5+. Unusually for this stock, 4 or 5 consecutive year classes are present in ...
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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 ... Subarea 48.4 North and 30 tonnes for Dissostichus spp. in Subarea 48.4 South f 48 tonnes for D ... used from 2006 to 2012. Within-year/season recaptures were omitted from the observations to allow for ...
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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 ... observed in the current year, no assessment has been conducted for the Shell Bank stock for the 2007/08 ... 10. Similar to last year, an estimate of standing stock biomass was calculated using the bootstrap ...
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Fishery Report: Dissostichus eleginoides South Georgia (Subarea 48.3)
them by, on average, 3.6% over the reported figures for that year. The resultant catch series is ... the results were strongly dependent on the informative priors for the two catchability parameters ... 100 tonnes respectively, with an overall catch limit for SGSR of 3 000 tonnes. The total declared ... : Sample size for age determination of fish caught in Subarea 48.3. Year Sample size for age ...
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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 ... Parameter Value Future projections Tolerance for finding F in each year 1E-08 Tolerance for resolving ... limits for these species. Champsocephalus gunnari play an important role in the ecosystem of the South ...
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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 ... fishery in that year. 7. Ecosystem implications/effects 17. The current pelagic trawl fishery for C ... . 20. The krill anomaly did not last for the whole of 2009, and krill had returned by the end of the ...
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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 ... an individual longline for the purposes of recording or regulation. This paper updates Fenaughty ...
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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 ... during a year (weighted-average method, see Physical Environment section for details) to estimate the ... value of P/B appropriate for an annual average calculation is not equal to the average of P/B values ... (i.e. uncorrected for seasonal variations in sea ice area over a year), and grey triangles are average ...
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Fishery Report 2013: Dissostichus eleginoides South Georgia (Subarea 48.3)
for the past two seasons (2012 and 2013) for Management Areas A, B and C (see Figure 1) were set at 0 ... , 780 and 1 820 tonnes respectively, with an overall catch limit for Subarea 48.3 of 2 600 tonnes. 4 ... captured. Numbers and lengths of D. eleginoides provide an index of recruitment for stock assessments ... conversion factors, length frequencies, weights and maturity. Otoliths are collected by observers for an ...
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Fishery Report 2017: Dissostichus eleginoides Heard Island Australian EEZ (Division 58.5.2)
rate of ~20 mm per year, and a maximum age >20 years for B. eatonii, estimated from tag returns ... effort amongst strata was revised in 2003, with an identical survey design for the years 2001–2002 ... fish were measured (N) and the number of fish measured (n) in each year are provided (Note: data for ... for 2017 are incomplete). 15. The majority of D. eleginoides caught by trawl measured between 30 ...
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