Résultats de la recherche

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 : Auteur(s): 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 ... Antarctic high-latitude zone, it will be difficult to conduct all-year-round investigations. Even so, it ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 355-362 : Auteur(s): 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 ... the Hammal Re~,e,nch Institut(? of the Universit~ of' Pretoria SP@nd UF' to three mont.h~; each Year ... indici.i=ted that two -fur 5P.<~I species were interminSI in~! and possibl!:1 interb1·t~edin9 on the ... . Consider ins that the Prince Edward islands iire one of the onl!:1 ti.,o localities where both 5Pec i ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 59-77 : Auteur(s): 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

   the age of one year (O-group), were used for the calculation of abundance indices. Catchability ... any catch was 11097 specimens in one haul. According to the results of two surveys the lowest ... 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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): Kock, K.-H.

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

   and Lena Banks and 1969 to 1972 for the Kerguelen Islands). Data on 2 to 15 year old fish were used ... notothenioid fish for two reasons. First, the dependence worked out by Pauly referred to tropical fish and ... secondly, in equations (3) and (4), one of the main components is IgP. However, many species inhabiting ... empirical relationship between M and age at maturity for most fish (tn) where 50 or 70% of a population ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 141–146 : Auteur(s): 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 ... under the ice during that time. One species, C. criophilus which can reproduce in such different ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 201-214 : Auteur(s): 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 ... , the standardized echo signal is the product of two random values. Due to the statistical ... (Norway) was used in the following mode of operation transducer diameter 20 cm, power - 1/1, bandwidth ... /Palm, = 20 103 • The echo signal level was determined with the help of an osciiograph which was ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 141-152 : Auteur(s): 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 ... Table 1: Areas of seabed (n miles2) around Elephant Island by fine-scale grid of 15' latitude X 30 ... latitude X 30' de longitude. Tableau 2: Tableau recapitulatif des aires de fond marin (milles2) autour de ...

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

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