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1. Note on estimating krill abundance from acoustic data on individual aggregations

   differences of the two approaches are highlighted. It is concluded that the echo-integration approach is ... WG-KRILL-91/20 NOTE ON ESTIMATING KRILL ABUNDANCE FROM ... aggregation parameters are briefly described. The chief differences of the two approaches are highlighted ... estimate krill abundance over large areas (Miller and Hampton, 1989a). In recent years, advances in ... effort measures to abundance trends. S. Afr. J. Antarct. Res. 17(2): 108-112. BUTTERWORTH, D.S., D.L ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 219–223 : Autor(es): Hampton, I. and D.G.M. Miller

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

   - SOVIET PROPOSALS FOR A PROGRAM OF ECOSYSTEM MONITORING IN THE COMMONWEALTH SEA AND PRYDZ BAY One of ... been identified as one of the priority areas for ecological monitoring, and E. superbaproduction is ... of T layer, E , the surface system of geostrophic currents max max and the position of two or ... station grid should be north of 60 0 s. A standard grid of transects should be set up around the area to ...

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

3. Research currently being undertaken by the Republic of South Africa on "dependent and related species" within the Antarctic marine ecosystem

   their nest-burrows. Harl on Is I and harbou1•s about one ni i l I ion t,reed i n!o' Hacaron i Pen9u ... Antarctic F'rosramme. As st;ch, th<-)S~ com1~onGH1ts are of direct, relevance to imf'rovin~i o•.Jr und~r ... !:'nts, - G2 - but the few that do occur Providf~ an ideal OPPortunit~ for -sci.;,ntist-s t.o ... number <0re st i I I in Pros1·es-s. Re~;earctl Priorities have been set in accordance with those of n ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 59-77 : Autor(es): South Africa

4. Distribution and relative abundance of juvenile icefish (Champsocephalus gunnari) from a trawl survey of the South Georgia shelf in June–July 1985

   any catch was 11097 specimens in one haul. According to the results of two surveys the lowest ... the age of one year (O-group), were used for the calculation of abundance indices. Catchability ... TRAWL SURVEY OF THE SOUTH GEORGIA SHELF IN JUNE-JULY 1985 Mackerel icefish is one of the major fish ... stratum* were defined proportionally to the stratum area (approximately one tow per 100 square miles ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 55-63 : Autor(es): Boronin, V.A., G.P. Zakharov and V.P. Shopov

5. Trawl selectivity for Champsocephalus gunnari

   speed was 3.5 knots. Icefish comprised 90 to 100% of catches. The logistic selectivity curves were ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 69–75 : Autor(es): Efanov, S.F., G.E. Bidenko and V.A. Boronin

6. Reproduction of the mackerel icefish (Champsocephalus gunnari) and its implications for fisheries management in the Atlantic sector of the Southern Ocean

   March to the end of each year&#039;s meeting of CCAMLR which is usually held in late October or early ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 51–68 : Autor(es): Kock, K.-H.

7. Natural mortality of grey rockcod (Notothenia squamifrons) in various areas of the Indian sector of the Southern Ocean

   on the Ob and Lena Banks these were 6.6 and 6.2 years respectively, while for the Kerguelen Islands ... area the value was 8.6 years. The calculated values of M were found to be the lowest among specimens ... were established to be 5.9, 5.2 and 7.6 years. The value for M in the Kerguelen Islands area is ... population T =0.38 T m. For N. squamifrons T m is 15 years (Ob Bank), 14 years (Lena Bank) and 15 years ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 141–146 : Autor(es): Zaitsev, A.K.

8. Large-scale peculiarities of phytocenosis species composition in the surface layer in the Antarctic Atlantic and Indian Ocean sectors

   , phytoplankton biomass and surface temperatures for every tack are shown in Figures 2 to 6. One of the most ... . Two other species, T. antarctica and R. hebetata, prevailed in the community, but a substantial drop ... ). As one can see, changes in the community along the tacks were traced only in the south, while in the ... of eddies. Higher phytoplankton biomass on tack V at 58° to 59°S (see Figure 6) and on tack VI at 59 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 201-214 : Autor(es): Makarov, R.R. and K.P. Fedorov

9. Determination of Antarctic krill acoustic back-scattering cross-section

   signal from one specimen resolved by the hydroacoustic instrument. By calculating the mean level of the ... signal from one specimen resolved by the hydroacoustic instrument. By calculating the mean level of the ... hydroacoustic instrument. where p x ~ G(S,p) The echo signal from an individual object is equal to ... u2 =p2x2.~2 .G4 (S;p) ~Go r4 • lOo.2S. r acoustic pressure on antenna axis reduced to 1 m distance ... r = distance to the object, m S space attenuation of sound, dB/m (1) Go acoustic cross section ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 141-152 : Autor(es): Protaschuk, V.A. and T.A. Lukashova

10. Areas of seabed within the 500 m isobath around Elephant Island (Subarea 48.1)

    , expressed as square nautical miles by a 15' latitude X 30' longitude grid within 50 m depth contours down ... distribution and abundance was available from surveys. Those two areas were excluded in the recent estimate ... . Everson, I. and S. Campbell. 1990. Areas of seabed within selected depth ranges in CCAMLR Subarea 48.3 ... Table 1: Areas of seabed (n miles2) around Elephant Island by fine-scale grid of 15' latitude X 30 ...

    Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 131–135 : Autor(es): Kock, K.-H. and U. Harm

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