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The influence of bait quality on the sink rate of bait used in the Japanese longline tuna fishing industry: an experimental approach
treatment (e.g., small, frozen, saba) the descent time of 10 baits was measured to a depth of 3 m in a ... the effect of added weight (sinkers) on the sink rates of bait. Lead sinkers weighing 10 g, 20 g, 30 ... frozen baits floated. This distinction did not apply consistently to all samples of aji-l. Of the 10 ... size category Figure 1: Mean sink time and standard deviation for 10 baits from both large and small ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 123–129 : Autor(es): Brothers, N., A. Foster and G. Robertson
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Management and uncertainty: the example of South Georgia
would probably take two whole generations i.e. about 10 years (BIOMASS report Table 2). The more ... (e.g. 10 million) - giving a Y/R of 500 to 800 gms, and a total yield of 5-8 thousand tons. It might ... ages over 10 years and 19% over 20 years. The short lived fish were mostly small fish like anchovy ... the next 10 years. If recent year-classes are not quite so bad, say no worse than that of 1978, then ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 341-353 : Autor(es): Gulland, J.A.
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A review of data on abundance, trends in abundance, habitat use and diet of ice-breeding seals in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)
that leopard seals are primarily shallow divers, with most dives to depths of 10–50 m and only occa ... diet), and occasion- ally crustaceans (~10%) and benthic invertebrates (<10%) (Øritsland, 1977). There ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 49–74 : Autor(es): Southwell, C., J. Bengtson, M. Bester, A.S. Blix, H. Bornemann, P. Boveng and M. Cameron, J. Forcada, J. Laake, E. Nordøy, J. Plötz, T. Rogers, D. Southwell, D. Steinhage, B.S. Stewart and P. Trathan
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Fishery Report: Exploratory fishery for Dissostichus spp. (TOT) in Division 58.4.3a
. 10. Since 2012, vessels have been required to tag and release Dissostichus spp. at a rate of five ... .) Season Flag State Vessel name Number of hauls R C Total 2005 Australia Avro Chieftain 10 10 Korea ... , Republic of Bonanza No. 707 10 10 20 Spain Arnela 20 6 26 Galaecia 34 79 113 2006 Spain Galaecia ... 13 2009 Japan Shinsei Maru No. 3 10 49 59 2010 No fishing 2011 Japan Shinsei Maru No. 3 9 0 ...
Document : Site Section: Publications
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Prey monitoring surveys: a discussion of the characteristics necessary in prey surveys
time taken to travel between pairs would be minimised. Assuming a constant survey speed of 10 knots ... , then about three transects per day could be surveyed. This would permit a set of 10 transects to be ... surveyed in random order so as to minimise bias, e.g. 9+10, 5+6, 1+2, 3+4, 7+8. Tableau 1 Figure 1 ... hasard afin de minimiser tout biais, par ex. 9+10, 5+6, 1+2, 3+4, 7+8. Encabezamientos de las Tablas ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 377-391 : Autor(es): Everson, I.
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Standardization of fishing effort for Champsocephalus gunnari in the South Georgia area (Subarea 48.3)
(tonnage class 10) in October which used bottom-fishing gear. The multiple coefficient of correlation is ... Number of Observations 1 3 Intercept 1.751 0.233 103 2 2 3 10 4 10 5 1983 1 1 1 -3.332 0.720 3 ... 0.653 1 11 7 0.230 0.164 19 4 1 8 -0.099 0.252 12 2 9 0.029 0.284 7 3 10 -0.056 0.268 7 4 11 ... Numbers: 3 2 10 10 Year Total Catch Catch Rate Prop. Mean SE Effort 1981 29464 0.249 2.083 0.765 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 327–336 : Autor(es): Gasiukov, P.S.
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Métodos estándar del Programa de Seguimiento del Ecosistema de la CCRVMA
. Weigh each bird to the nearest 10 to 50 g (depending on conditions and accuracy of scale used). Specify ... one of the three counts differs more than 10% from the others, a fourth count should be made on the ... M ac ar on i* R ef s Pr yd z B ay a 10 N ov ± 1 ( 5– 15 N ov ) N A N A N A 3 b ... approximately 2 000 pairs. Note that in colonies of more than 10 000 pairs, there will be increasing difficulty ...
Document : Site Section: Publications
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An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands using CASAL
observers in 10 mm bins. In the model, these length-frequency (LF) data were aggregated into 100 mm bins ... 3 T ra w l B (f 2) E ar ly (s 1) 0 0 0 29 69 19 62 10 28 29 0 14 7 ... 10 12 29 92 3 15 93 61 2 11 6 61 6 15 4 T ra w l B (f 2) L at e (s 3 ... 1999 58 6 2000 24 71 48 2001 10 19 94 74 2002 10 2 65 56 84 2003 3 1 11 ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 1–34 : Autor(es): Candy, S.G and A.J. Constable
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Preliminary model of krill fishery behaviour in Subarea 48.1
Preliminary Model of Krill Fishery Behaviour (l0 longitude by 0.5" latitude) and temporal blocks of 10-day ... index and e x , = catch-per-unit-effort (tonnes-per-hour). t is a product of the number of 10-day ... that a vessel normally fishes in a 10-day period. Chilean data over 1989 to 1992 showed that the ... 89.6 hours per vessel per 10-day period (number of 10-day-periods = 22, SD 30.4). The total time ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 71–79 : Autor(es): Agnew, D.J. and V.H. Marín
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Bias in the estimation of krill yield from using a deterministic formulation of the median unexploited spawning biomass
la explotacion y por 10 tanto no requiere correccion. Este trabajo examina 10s efectos de las ... large number, say 10 001, of replicate determinations of the pre-exploitation biomass). Thus, no ... , while the second set used 10 001 replicate random initial age structures to estimate S,,. Two types ... ) and from 3 10 001 randomised starts. Three criticallhvels of depletion are examined as proportions of ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 1–8 : Autor(es): Constable, A.J. and W.K. de la Mare