Résultats de la recherche

1. Measurements of differences in the target strength of Antarctic krill (Euphausia superba) swarms at 38 kHz and 120 kHz

   WG-KRILL-90/28 MEASUREMENTS OF DIFFERENCES IN THE ... combining abundance estimates made at different frequencies. To date the most controlled comparison of the ... kHz being raised by 12.5 dB, an increase of 17.7 fold, amply demonstrating the importance of ... . Research ship Africana. Spec. Rep. Sea Fish. Res. Inst. S, Afr. 3: 80. BIOMASS. 1986. BIOMASS Report 40 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 75–86 : Auteur(s): Hampton, I.

2. Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the number of concentrations and analytical justification for search data

   recueillies par des navires de recherche/de prospection au debut des annees 80. Ces exemples soulignent le ... Ha4aJIe 80-x rO,llOB COBeTCKHMH HaY4Ho-HCCJIe,llOBaTeJIbCKHMH H nOHCKOBbIMH cY,llaMH. IIpHBe,lleHHble ... , data collected by research or survey vessels (both navigational log-book and fishing logbook ... , Hobart, Tasmania, Australia. SEVBER, G.A.F. 1982. The Estimation of Animal Abundance. 2nd Ed. New York ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 283–322 : Auteur(s): Mangel, M.

3. Krill biomass in Area 48 and Area 58: recalculations of FIBEX data

   densities reported in Anon. (1986) were derived using a TS value of -68.10 dB for a mean animal length of ... Maru, with a mean animal length of 41.4 mm, this gives a TS of -68.85 dB. This new TS is very close to ... MILLER, D.G.M. and 1. HAMPTON. 1989. Biology and ecology of the Antarctic laill: a review BJOMASS Sci ... PROTECTION 60'[ 70'[ 80'[ I ---, \ ~ ~ ...:...-.J - 60'E 70'[ 80'[ Figure 2: FIBEX survey areas ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 157–181 : Auteur(s): Trathan, P.N., D.J. Agnew, D.G.M. Miller, J.L. Watkins, I. Everson, M.R. Thorley, E. Murphy, A.W.A. Murray and C. Goss

4. Status of the coastal stocks of Dissostichus spp. in East Antarctica (Divisions 58.4.1 and 58.4.2)

   between them being at about 90°E. The western stock may be centred around Prydz Bay, and appears to be of ... 58.4.2, with the division between them being at about 90°E. The western stock may be centred around ... dans la division 58.4.1 et l’autre dans la division 58.4.2, qui seraient séparés à environ 90°E. Il ... 90° в. д. Западный запас, возможно, концентрируется вокруг залива Прюдз и, как представляется, имеет ... otro en la División 58.4.2, con una división entre ellos alrededor del meridiano 90°E. El stock del ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 71–100 : Auteur(s): Agnew, D.J., C. Edwards, R. Hillary, R. Mitchell and L.J. López Abellán

5. Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia

   80 90 0 50000 100000 150000 200000 250000 est. population (n) pr oj ec te d ta gs ( n) 0 ... 10 20 30 40 50 60 70 80 90 0 50000 100000 150000 200000 250000 est. population (n) pr oj ... 40 20 0 90 80 70 60 50 40 30 20 10 0 0 50000 100000 150000 200000 250000 ... correctly capture movement reversals – where an animal moves west one year and back east the next, for ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 47–63 : Auteur(s): Agnew, D.J., G.P. Kirkwood, J. Pearce and J. Clark

6. Length- and age-at-spawning of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea

   . Prolonged oogenesis has been mentioned in sev- eral studies on reproduction in D. mawsoni, though the ... lengths for either method were adjusted using the sample date, and adjusted down or up using the von ... 55–80% of maximum length (Lmax) (Kock and Kellermann, 1991). For D. mawsoni, spawning at 133 cm ... that spawning success must be high, which may be part of the selection pressure to pro- duce large ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 53–73 : Auteur(s): Parker, S.J. and P.J. Grimes

7. Seabird interactions with trawl and longline fisheries for Dissostichus eleginoides and Champsocephalus gunnari

   of birds would sit behind the propeller wash, about 80 m astern of the ship. From there birds would ... netsonde cable were found between this cable and the headline of the net. The cause of death of birds ... Georgia. Journal of Animal Ecology, 59: 775-796. Duhamel, G. 1991. Incidental mortality arising from ... . Oxford University Press, Melbourne: 735 pp. SC-CAMLR. 1995a. Report of the Fourteenth Meeting of the ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 93–99 : Auteur(s): Williams, R. and D. Capdeville

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

   animal measurement. For small school- ing organisms, such as euphausiids, this criterion is seldom met ... since the fi rst Italian survey to the Ross Sea (1989/90). The new method extracts information on ... were collected during three surveys in the Ross Sea (1989/90, 1997/98 and 2000). Methods ... ) = binomial coeffi cient). These estimates can be com- bined and estimation of the mean animal size that ...

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

9. Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?

   krill stock. More pro- gress is needed to understand how the stock changes at larger scales ... of 32 years for the sector 10°E to 90°W (Atkinson et al., 2014). It is unclear how the observed ... based on model pro- jections in which the conditions affecting the krill stock vary around constant ... . Table 6 suggests that the local monitoring pro- grams observe about 14% of the krill biomass in the ...

   Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 31–51 : Auteur(s): Hill, S.L., A. Atkinson, C. Darby, S. Fielding, B.A. Krafft, O.R. Godø, G. Skaret, P.N. Trathan and J.L. Watkins

10. Towards an initial operational management procedure for the krill fishery in Subareas 48.1, 48.2 and 48.3

    for the simulation testing of procedures, and an operational definition of CCAMLR Article II to ... purposes. A provisional operational interpretation of Article II is proposed: the primary objective is to ... the circumpolar krill population (CCAMLR, 1989a). However, it also noted that about 90% of this catch ... review. BIOMASS Sci. Ser. No. 9: 166. MORRIS, D.J., J.L. WATKINS, C. RICKETTS, F. BUCHHOLTZ and J ... procedures, and an operational definition of CCAMLR Article 11 to provide criteria against which to assess ... operational interpretation of Article II is proposed: the primary objective is to prevent the expected lowest ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 189–219 : Auteur(s): Butterworth, D.S.

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