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1. A hybrid approach to acoustic classification and length estimation of krill

   aggregation with probability: C3 = 3C2(1 – C) + C3 = 3(0.833)2(0.167) + (0.833)3 = 0.926. This expression ... r m fj frf k aΔ ≈ . The model has the shape of a two-state low- pass fi lter with the two bends at ... sharper than the second. The sensitivity of Δfj / fi to afj / fi is given by: 2 4 4 3 / 22 4 4 / 4 ... error |δ| is high for afj / fi < a1, decreases approaching the middle point between the two bends ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 33–58 : Автор(ы): Azzali, M., I. Leonori and G. Lanciani

2. Areas of seabed within selected depth ranges in the South-West Atlantic and Antarctic Peninsula regions of the Southern Ocean

   . The co-ordinates are those of the northern, southern, eastern and western limits of each rectangle ... range (m) 0-50 50-150 150-250 250-500 >500 3 404 4 255 17 020 826 318 342 10 733 22 808 12 075 296 ... 055 847 846 250 209 598 1 973 713 19 275 3 401 40 817 1 070 314 Table Total numbers 218 ... 101 2, 9 572 070 3, 10 U1 10 850 997 4, 11 341 672 5, 12 847 097 6, 13 2 183 316 7, 14 1 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 49-73 : Автор(ы): Everson, I.

3. Soviet proposals for a program of ecosystem monitoring in the Commonwealth Sea and Prydz Bay

   of communities (pelagic and bottom-dwelling biocenoses). 3. Establishment of the nature, and ... three major research directions, the findings of which might then be seen in inter-relation with the ... variables with biological patterns and distributions of species) ; 2. Life-cycle strategies and the ... be determined initially for those species selected as indicators for ecosystem monitoring) 3 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 355-362 : Автор(ы): USSR

4. Population genetic structure of Patagonian toothfish in the West Indian Ocean sector of the Southern Ocean

   variation was seen within collections. Comparisons with previously collected genetic data from Heard and ... collections. Comparisons with previously collected genetic data from Heard and McDonald Island collections (n ... increased in economic value since the start of commercial exploitation, approximately 17 years ago, within ... indicated restricted gene fl ow, with fi sh at each of the fi shing locations comprising independent units ... fi sh had been at liberty for 0.7 to 3.8 years, demonstrating that under some circumstances D ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 21–32 : Автор(ы): Appleyard, S.A., R. Williams and R.D. Ward

5. Midwater trawl catchability in relation to krill and possible ways of assessing gross catch

   and netting and also the probability that krill will come into contact with various parts of the net ... as it passes through the trawl sides. Studies were based on the results of 250 hauls made with a 72 ... /308 trawl. Catchability was worked out with the aid of fine-meshed chafers, hydroacoustic methods and ... theoretical calculations. A comparison of the experimental hydroacoustic assessment with the calculated one ... and also the probability that krill will come into contact with various parts of the net as it passes ... through the trawl sides. Studies were based on the results of 250 hauls made with a 72/308 trawl ... . Catchability was worked out with the aid of fine-meshed chafers, hydroacoustic methods and theoretical ... calculations. A comparison of the experimental hydroacoustic assessment with the calculated one demonstrated ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 87–113 : Автор(ы): Zimarev, Yu.V., S.M. Kasatkina and Yu.P. Frolov

6. Target strengths of krill at 136 and 20 kHz

   . Ensonification of encaged live krill. For aggregations with mean lengths from 45 to 50 mm the mean single-krill ... target strengths range from-68 to-69 dB at 136 kHz. For aggregations with mean lengths from 43 to 47 mm ... . For aggregations with mean lengths from 47 to 50 mm the mean target strengths ranged from-71 to-75 dB ... . At the same frequency for aggregations with mean lengths in the range 41 to 47 mm the mean single ... aggregations with mean lengths from 45 to 50 mm the mean single-kriU target strengths range from -68 to -69 dB ... at 136 kRz. For aggregations with mean lengths from 43 to 47 mm the mean single-kriU target ... strengths range from -71 to -77 dB at 20 kRz. Trawl hydroacoustic method. For aggregations with mean ... aggregations with mean lengths in the range 41 to 47 mm the mean single-krill target strength is in the range ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 141–157 : Автор(ы): Kasatkina, S.M.

7. Krill biomass assessment in Statistical Area 48 from the RV AtlantNIRO data - Autumn 1989/90

   periphery of the Weddell Sea eddy (Fedulov et al., in press). Krill was taken with an Isaacs-Kidd net ... waters coincided with dynamic elements such as meanders, mesoscale circulations and parts of the Frontal ... Sandwich Islands study area, with the bulk of the stock concentrated in the Weddell Sea waters, suggests ... with mesh size 3.4 mm) are close to ours. Bearing this in mind, as well as the paucity of data and the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 115–121 : Автор(ы): Fedotov, A.C.

8. Seabird by-catch by autoline vessels: do line setters increase the sink rate of integrated weight longlines?

   integrated weight longlines? Abstract / Description:  Line setters are used with integrated weight (IW) (50 g ... the sink rates of IW longlines. Time-depth recorders were deployed on lines set with and without a ... line setter using a paired-treatment design. Sink rates of longlines set with and without a line setter ... likely to be most intense. Longlines deployed with the line setter entered the water several metres ... setter Magazine set with line setter Magazine join TDRs 3���� m apart and 3���� m from magazine ... . Treatment Target depths (m) 0–2 0–3 0–5 0–10 0–20 With 7.9 12.1 20.4 38.6 76.9 Without 7.4 12.9 20.7 ... , this distance varied from 3 to 4 m but may be up to 8 m with UW long- lines (Løkkeborg and Robertson ... of Fisheries PO Box 1020 Wellington, New Zealand Abstract Line setters are used with integrated ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 107–114 : Автор(ы): Robertson, G., J. Williamson, M. McNeill, S.G. Candy and N. Smith

9. The fishery for Patagonotothen brevicauda guntheri in CCAMLR Subarea 48.3

   species. The small size of P.b. guntheri means that they can only be caught with net meshes so small that ... . guntheri means that they can only be caught with net meshes so small that they would also catch undersized ... the past ten years there has been a fishery for Patagonotothen brevicauda guntheri in CCAMLR Subarea ... no reports of P.b. guntheri being taken as by-catch in the krill fishery. 3. DISTRIBUTION OF ... South Georgia as at Shag Rocks. This is at variance with information reported in the CCAMLR Working ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 275–283 : Автор(ы): Everson, I. and C. Mitchell

10. Evaluation of the results of trawl selectivity experiments by Poland, Spain and USSR in 1978/79, 1981/82 and 1986/87

    Spanish (1986/87) selectivity experiments were conducted with 3.1 and 3.0 mm twine respectively. The ... properly evaluated on the basis of available data. Polish hauls of 2 to 3 hours resulted in some cases in ... presented relationship should be taken with care. Thirty minute hauls in the Spanish experiment gave ... single hauls with high catches did not result in the reduction of selection parameters of fish sampled ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 163–196 : Автор(ы): Slosarczyk, W., E. Balguerias, K. Shust and S. Iglesias

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