Résultats de la recherche

1. The status of krill (Euphausia superba DANA) resources in CCAMLR Statistical Divisions 58.4.2 and 58.4.3 from 1988 to 1990. Results of acoustic surveys

   abundant 1986 and 1987 year-classes and with a diminished rate of emigration of krill of these year-classes ... LogL Two types of trawls were used for kriU sampling: an Isaacs-Kidd midwater trawl with a 6.0 sq. m ... previous period (1986 to 1988) and for an increase in krill biomass in the area. The data in Table 2 ... CO.llPY:>KeCTBa (65°30' - 68°00' lO.ill., 60-80° B . .ll') B 1988-1990 rr. (C6op npo6 TpaJIOM AH:3eKCa ... WG-KRILL-90/17 THE STATUS OF KRILL (EUPHAUSIA SUPERBA ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 163–173 : Auteur(s): Bibik, V.A. and V.N. Yakovlev

2. Volume 15: CCAMLR. 2003. Statistical Bulletin, Vol. 15 (1993–2002). CCAMLR, Hobart, Australia.

   . This Fifteenth Volume of the Statistical Bulletin covers data for the 10-year period from December ... throughout this volume is the CCAMLR season from 1 December to 30 November of the fonowing year. The ... abbreviated notation for CCAMLR seasons used in the title and figures refers to the calendar year in which ... 1.10 has not been required for all areas and years. Reporting of fine-scale finfish data for the ...

   Document : Site Section: Publications

3. Observation of seabirds in the Southern Ocean in 1988/89

   :00; 12:00, 16:00 and 20:00 ship-time, while sailing between Antarctic stations and while en route to ... for key). GO (V ;- -t sof - Fig.9. 80 .90 -r- "I- The abundance of four species of ... their numbers never exceeded 10. Only once, on 30 December 1988, when the vessel was sailing across an ... 73°30'S in the Pacific sector. Most often single birds were observed and it was rare for two to be ... 1989). (See Figure 2 for key) . lA ~ GO -\- 90 i- -r- 7'- Fig.4. The abundance of birds ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 521–542 : Auteur(s): Vagin, A.V. and V.V. Popov

4. Broadbandwidth sound scattering and absorption from krill (Meganyctiphanes norvegica), Mysids (Praunus flexuousus and Neomysis integer) and shrimp (Crangon crangon)

   volume of the animal. Collectively, these results provide tools for improving the detection of krill and ... (Meganyctiphanes norvegica) over the acoustical bandwidth of 30 to 210 kHz and compared to similar scattering ... target strength (TTS) match the SDWBA model (Demer and Conti, 2003b) recently developed for Antarctic ... krill, indicating its validity for other euphausiids species with similar size and shape. However, the ...

   Meeting Document : WG-EMM-04/40 : Auteur(s): S.G. Conti, D.A. Demer (USA) and A.S. Brierley (United Kingdom)

5. Do the males of Dissostichus eleginoides grow faster, or only mature before females?

   concluded that the males mature for the first time at 4 years age and females at 10 years age, reaching 100 ... - were age transformed applying the age-size relationship obtained from the specific equations for each ... % maturity at 12 years age the males and 21 years age the females. Author(s):  C.A. Moreno (Chile) Title:  Do ... maturity at age and not due to the growth rate. Based on this sample of 434 females and 398 males, it is ...

   Meeting Document : WG-FSA-98/16 Rev. 1 : Auteur(s): C.A. Moreno (Chile)

6. New data on spawning, hatching and growth of the Kerguelen Islands Champsocephalus gunnari shelf stock

   programme allows to identify each year, both from the ichthyoplanktonic surveys and bottom trawlings, an ... Abstract:  Combined studies on the inner shelf and outer shelf of the Kerguelen islands (1989/90 ... to 1992/93) provides new informations about Champsocephalus gunnari stock. An inner shelf quaterly ... in the samples along the study. It would explain the previouly observed three years cycle. Spawners ...

   Meeting Document : WG-FSA-94/9 Rev. 1 : Auteur(s): G. Duhamel (France)

7. Fishing intensity of the Soviet fleet in krill fisheries in the southern Atlantic (Subareas 48.2 and 48.3)

   (Subareas 48.2 and 48.3) Abstract / Description:  This paper provides an assessment of the impact of the ... Antarctic ecosystem. Krill are dominant primary consumers and constitute an important food source for ... 20-year fi shing history, the precautionary catch limit had never been approached. Furthermore, the ... pre-exploitation biomass for that year or about 3% of the total allowable catch (SC-CAMLR, 2001 ... further. This makes an even stronger case for the estimated removal intensity being of minor importance ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 15–35 : Auteur(s): Kasatkina, S.M. and V.F. Ivanova

8. Bacteria and detritus: Trophic modelling of the Ross Sea

   column detritus for the model is shown in Figure 6c. This has an average value of 16.4 gC m-2. 0 20 ... Antarctic Circumpolar Current and Marginal Ice Zone. The values (range) they found for bacteria were P/B=20 ... study area, P/Q for benthic bacteria could be at the higher range for part of the year because of the ... 30%. The comparison suggests that the values used in the model for biomass and energetics of benthic ...

   Document : Site Section: Publications

9. On the intensity of sampling krill trawl catches

   uses actual krill length-frequency data in an attempt to address the problem of the determination of ... be discerned (e.g., length-with-age). At present, and in the interests of both statistical rigour and ... stages; • for most purposes a minimum sample size of at least 100 animals/trawl is necessary to obtain ... 120 100 90 80 70 60 50 40 30 20 10 30 35 i i i i i i i i i i i i i ... confidence limits (90%). To estimate the minimum detectable difference in length for a given sample size in ... WG-KRILL-90/27 ON THE INTENSITY OF SAMPLING KRILL TRAWL ... CATCHES D.G.M. Miller* Abstract This paper uses actual krilllength-frequency data in an attempt to ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 29–48 : Auteur(s): Miller, D.G.M.

10. A re-analysis of the Kerguelen Shelf and Skiff Bank stocks of Champsocephalus gunnari

    for the Age 2 Kerguelen Shelf stock, an order of magnitude lower than that calculated from a biomass ... -frequency data for the years 1981 to 1990. Cohort analysis yielded a Stock Biomass of 22 711 tonnes in 1988 ...

    Meeting Document : WG-FSA-90/17 : Auteur(s): G. Duhamel (France) and D.J. Agnew (Secretariat)

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