Search results
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On the intensity of sampling krill trawl catches
be discerned (e.g., length-with-age). At present, and in the interests of both statistical rigour and ... grouped into 2 mm size classes; • biological implications associated with the detection of specific ... differences in length should be considered in conjunction with the need to collect information on maturity ... desired biological characteristics which are to be discerned (e.g., length-with-age). At present, and in ... implications associated with the detection of specific differences in length should be considered in ... conjunction with the need to collect information on maturity stages; • for most purposes a minimum sample ... also urged Members to report any difficulties experienced with the interim sampling procedure outlined ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 29–48 : Author(s): Miller, D.G.M.
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Areas of seabed within selected depth ranges in the South-West Atlantic and Antarctic Peninsula regions of the Southern Ocean
, southern, eastern and western limits of each rectangle. All latitudes are in degrees south, all ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 49-73 : Author(s): Everson, I.
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Population genetic structure of Patagonian toothfish in the West Indian Ocean sector of the Southern Ocean
the start of commercial exploitation, approximately 17 years ago, within the area of application of CCAMLR ... ). These fi sh had been at liberty for 0.7 to 3.8 years, demonstrating that under some circumstances ... of the Southern Ocean. A number of countries fi sh in both CCAMLR and national fi shing grounds (i.e. Australia ... variation was seen within collections. Comparisons with previously collected genetic data from Heard and ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 21–32 : Author(s): Appleyard, S.A., R. Williams and R.D. Ward
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Results of a longline survey on seamounts in the southeast Atlantic and in Subarea 48.6 and Division 58.4.4
toothfish (Dissostichus eleginoides), with 2 822 individuals caught (83% of total catch). Grenadiers of the ... structure of D. eleginoides caught. Lengths of individual D. eleginoides generally increased with depth ... with the highest catch (weight) per unit effort was 600 to 800 m, although absolute values varied ... eleginoides), with 2 822 individuals caught (83% of total catch). Grenadiers of the genus Macrourus were the ... caught. Lengths of individual D. eleginoides generally increased with depth although this trend may be ... . Females accounted for 70% of individuals of more than 90 cm in total length. The stratum with the highest ... ~ ? ~ IIOJIRpHOrO @ ~ O H T ~ (6aHKa Me~eop) H B 3 o ~ e A ~ ~ C T B H R K O H B ~ H ~ M H AHTKOM ( ~ ~ H K H ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 99–116 : Author(s): López Abellán, L.J. and J.F. González Jiménez
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Krill biomass assessment in Statistical Area 48 from the RV AtlantNIRO data - Autumn 1989/90
the years, despite intensive commercial exploitation, may indicate a continued relative stability ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 115–121 : Author(s): Fedotov, A.C.
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Genetic variations and population structure of krill from the Prydz Bay region of Antarctic waters
consistent with the hypothesis that all samples were derived from a single breeding population of krill. The ... results of this study agree closely with genetic data from other studies on krill in the Atlantic sector ... result consistent with the hypothesis that all samples were derived from a single breeding population ... of krill. The results of this study agree closely with genetic data from other studies on krill in ... K.M.MaKAOHanA, P. YHnh~Mc H M. AAaMC (ABCTpanH~) Pe3IOMe np06hl aHTapKTHqeCKOrO KpHn~ E. superba, B 3~Tble ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 271-273 : Author(s): MacDonald, C.M., R. Williams and M. Adams
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Small scale krill surveys: simulations based on observed euphausiid distributions
that the coefficient of variation (CV) of mean krill density varies inversely with mean density, and is ... that with probability of Type I and Type II errors 0.1 and 0.2 respectively, about 100 transects would ... different positions with regard to the swarms. 247 3. RESULTS The results of 10 000 transects on ... (cv) of mean krill density varies inversely with mean density, and is lowest for the survey design ... on the power of surveys to reliably detect changes in mean density indicate that with probability ... earlier surveys, however, were run with the main transects running east-west. This survey design was ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 245–256 : Author(s): Agnew, D.J. and S. Nicol
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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
and/or at different times of the year. Some individuals of aji-l may have contained less lipid than the other fish ... sank whereas frozen bait floated. Fish with inflated swim bladders floated, however, even when thawed ... (to avoid fish species with swim bladders which cause the bait to float), the proper thawing of bait ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 123–129 : Author(s): Brothers, N., A. Foster and G. Robertson
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The fishery for Patagonotothen brevicauda guntheri in CCAMLR Subarea 48.3
utilizaron redes ilegales para tales efectos. 1. IN1RODUCfION During the past ten years there has been ... for the season to 13 000 tonnes. In the following year the total allowable catch (TAC) was set at 12000 tonnes ... . Split-Year Reported Landings Biomass Estimate (tonnes) (tonnes) 1979 15011 - 1980 7381 - 1981 36758 ... species. The small size of P.b. guntheri means that they can only be caught with net meshes so small that ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 275–283 : Author(s): Everson, I. and C. Mitchell
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Evaluation of the results of trawl selectivity experiments by Poland, Spain and USSR in 1978/79, 1981/82 and 1986/87
size of 108 mm would in turn correspond to the age at first capture of 4 years (Le. around 32 cm ... of 4 years; (ii) Fishery target at P. guntheri 50 mm, to protect immature fish; (iii) Mixed fishery ... : Champsocephalus gunnari Area: South Georgia and Shag Rocks (R) (Subarea 48.3) MonthlYear: November to December ... /Year: December 1986(1), December 1978 to March 1979(2) Mesh Size (mm) Selection 50% Selection Modal ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 163–196 : Author(s): Slosarczyk, W., E. Balguerias, K. Shust and S. Iglesias