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Fishing ground selection in the Antarctic krill fishery: trends in patterns across years, seasons and nations
years, seasons and nations Abstract / Description: Patterns of fishing ground selection were ... remained relatively constant in Subareas 48.2 (March–May) and 48.3 (June–August). In 25 years of krill ... operations in Area 48, patterns of SSMU usage have changed. Three different patterns of seasonal SSMU ... of high krill density observed by scientific surveys, and possible reasons for this mismatch are ... STATLANT statistics, but include data at various levels of reso- lution depending on the fishing seasons ... CCAMLR database at a resolution of 10 n miles x 10 n miles x 10 days), but are based on the original ... were consistently reported, but at lower levels compared to the earlier days (with exception of a ... CPUEs were at the lower end of the Japanese CPUEs. Another point worth noting is that there seemed to ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 117–141 : Autor(es): Kawaguchi, S., S. Nicol, K. Taki and M. Naganobu
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Fishery Report 2018: Dissostichus eleginoides Crozet Island French EEZ (Subarea 58.6)
2 Table 1: Catch history of Dissostichus eleginoides in the French EEZ at Crozet Islands (Subarea ... release toothfish at a rate of 1 fish per tonne of green weight caught throughout the season. 15 ... . eleginoides at Crozet Islands (Subarea 58.6 inside the French EEZ). Outputs from a series of model runs were ... includes a portion of Subarea 58.6, small-scale research units (SSRUs) B, C and D, and extends into FAO ...
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Fishery Report 2017: Dissostichus eleginoides Crozet Island French EEZ (Subarea 58.6)
observer and must offload its catch only at Réunion Island. In 2017, a catch limit set by France of 1 300 ... : Catch history of Dissostichus eleginoides in the French EEZ at Crozet Islands (Subarea 58.6). The ... : Annual length-frequency distributions of Dissostichus eleginoides caught in the French EEZ at the ... French EEZ, vessels are required to tag and release toothfish at a rate of 1 fish per tonne of green ...
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Informe de pesquería de 2015: Champsocephalus gunnari islas Georgias del Sur (Subárea 48.3)
floor at depths down to 2 000 m. Surface buoys indicate the presence of lines, and vessels typically ... measured (n) in each year are given at the top of each panel. Letters to the left of the panel (B and C ... skates and collate recapture data. Tagging of D. eleginoides continued at a rate of 1.3 fish per tonne ... proportions at length and numbers of tagged fish must be applied externally. Table 3: Length-specific ...
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Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.3b
estimated at 610 tonnes of Dissostichus spp. (Table 1). The total removals of Dissostichus spp. in 2008/09 ... were estimated at 714 tonnes. 1.3 Size distribution of catches 6. Most D. mawsoni caught in the ... summarised in Table 2. 12. Vessels are also required to tag and release Dissostichus spp. at a rate of ... more robust estimate of biomass. The Working Group recommended that WG-SAM should look at how to ...
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Natural mortality rate in the mackerel icefish (Champsocephalus gunnari) around South Georgia
South Georgia Abstract / Description: Information on natural mortality rates of the mackerel icefish ... careful consideration of the data and available methods, several errors are noted in earlier estimates ... . Unfortunately, because none of the datasets are sufficiently comprehensive, it is impossible to unequivocally ... order to try to provide a reasoned estimate of M. MATERIAL AND METHODS Data on numbers of fish at ... of fish in the sample, the first fully recruited age is coded zero, the numbers at each coded age ... (1975): M = 0.28 (assuming N,W, max at 7 years). DISCUSSION Robustness of Estimators Seber (1982 ... criterion has not been met (Table 1). Unfortunately, the pattern of size at age reported by Olsen (1955 ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 245–257 : Autor(es): Everson, I
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Fishery Report: Dissostichus eleginoides South Georgia (Subarea 48.3)
continued at a rate of 1.3 fish per tonne with a total of 2 910 fish tagged (with 524 recaptures). 3 ... 0.433 2009 61.9 0.549 2010 137.1 0.284 2011 2633.3 0.771 Table 5: Proportions at length of ... estimates of selectivity and year-class strength estimates TOP 48.3 8 at the time of the ... fishery 1998–2011 • survey density of juvenile fish at Shag Rocks, treated as a relative index of ...
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CCAMLR Statistical Bulletin, Vol. 28
Description / Abstract: An interactive volume of the CCAMLR Statistical Bulletin in MS Access ...
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Fishery Report 2013: Exploratory fishery for Dissostichus spp. in Division 58.4.3b
limits are also set so that they provide reasonable certainty that exploitation rates at the scale of ... comprised a much wider length range of 50–175 cm with a broad mode at approximately 80–130 cm (Figure 1b ... have been required to tag and release Dissostichus spp. at a rate of five fish per tonne of green ... at 4 078 tonnes. Applying a precautionary exploitation rate of 0.01 (consistent with assuming that ...
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Informe de pesquerías 2015: Pesquería exploratoria de Dissostichus spp. en la División 58.4.3b
catch 6. Reported catches of Dissostichus spp. over recent seasons peaked in 2006 at 361 tonnes ... vessels are set at a level intended to provide sufficient information (including sufficient recaptures of ... also set so that they provide reasonable certainty that exploitation rates at the scale of the stock ... a much wider length range of 50–175 cm with a broad mode at approximately 80–130 cm (Figure 1b ...
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