Résultats de la recherche
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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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Rapport de pêcherie 2015 : Pêcherie exploratoire de Dissostichus spp. – division 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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Rapport de pêcherie 2016 : Pêcherie exploratoire de Dissostichus spp. de la division 58.4.3b
. Reported catches of Dissostichus spp. over recent seasons peaked in 2006 at 361 tonnes, exceeding the ... 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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Fishery Report 2013: Dissostichus eleginoides South Georgia (Subarea 48.3)
close to the sea floor at depths up to 2 000 m. Surface buoys indicate the presence of lines, and ... . The number of hauls (N) and the number of fish measured (n) in each year are given at the top of each ... 48.3. Tagging of D. eleginoides continued at a rate of 1.3 fish per tonne in 2013, with a total of 3 ... levels and current biomass levels (Table 4) show that the stock remains at around 53% of B0 in 2013 ...
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Fishery Report 2014: Dissostichus eleginoides South Georgia (Subarea 48.3)
the sea floor at depths down to 2 000 m. Surface buoys indicate the presence of lines, and vessels ... each year are given at the top of each panel. Letters to the left of the panel (A, B and C) refer to ... 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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Potential nursery areas for fish in the Prydz Bay region
for the shelf area of the Bay to be a nursery ground for nototheniid and channichthyid fish. Nearly ... break. The dominant size class was of 45 mm standard length, which corresponds to an age of 1 ... of the shelf. Although no specific nursery grounds were identified, the whole of the Prydz Bay shelf ... 7 to 8 m high, and nets were towed at fishing depth for a standard haul duration of 30 minutes at 3 ... at 30 mile intervals covering the entire shelf area of Prydz Bay, the banks to the west as far as ... not numerous, except in one station near the shelf edge at the eastern side of the bay (Figure 4). A ... in January/February 1991 indicated the potential for the shelf area of the Bay to be a nursery ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 369–380 : Auteur(s): Williams, R.
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Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.3b
times the catch limit at that time; Table 1). The IUU catch in 2009/10 was estimated at 171 tonnes of ... tag and release Dissostichus spp. at a rate of three fish per tonne of green weight caught, and a ... ); (ii) large movements of fish have been observed for fish at liberty for two years or more, and tend ... ) stocks of D. mawsoni are likely to be distinct at the scale of ocean basins (see also citation of Smith ...
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Exploratory fishing for Dissostichus spp. in the Antarctic region (Subareas 48.1, 48.2 and 88.3)
del Fuego was conducted as part of the New Fisheries Projects developed by Chile, primarily to ... establish the presence of Dissostichus spp. in Subareas 48.1, 48.2 and 88.3. Industrial longlines (Spanish ... system) were used for the operation, with variable quantities of fish hooks (1 440 to 4 320), No. 9 ... Mustad Kirby type, set between depths of 600 and 2 550 m. Sardines (Sardinops sagax) and squid (Illex ... baited manually. At each station, initial and final longline location, number of hooks used, type and ... size of bait, time of setting and hauling, depth at each end of the longline, type of bottom and ... , longlines were set at sundown in areas free of ice or icebergs and, whenever possible, on abrupt or ... HGT product was calculated. At the same time, sex, maturity stage of the gonads, and stomach ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 1–17 : Auteur(s): Arana, P.M. and R. Vega