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Comisión para la Conservación de los Recursos Vivos Marinos Antárticos

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  1. Report of the Eighth Antarctic Treaty Consultative Meeting

    -east of а line which bears 315° True from the summit of Post Office Hill to the coast. The boundaries ... REPORT OF ANTARCT/C TREATY SECRETARIAT LIBRдRY ТНЕ EIGHTH CONSULTATIVE MEETING OSLO 9-20 ... JUNE 1975 MINISTRY OF FOREIGN AFFAIRS OSLO 1976 CONTENTS I. Final Report По ... • • • • • !По Speeches and Staternents Made at the Opening Session .. IV. List of Participants . . . . о о ...

    Document : Site Section: The Organisation

  2. Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South Shetland Islands, after commercial fishing in the area

    Paper Title:  Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons ... Abstract / Description:  Monitoring of demersal fish at inshore sites of the South Shetland Islands has ... continued at Potter Cove from 1991 to 1999, and at Harmony Cove, Nelson Island, in the austral summer of ... 1995/96. Still evident is the decline in trammel-net catches of fjord-dwelling Notothenia rossii and ... started at the end of the 1960s. The fishery was developed mainly in offshore waters around South ... ABUNDANCE OF FJORD NOTOTHENIA ROSSII, GOBIONOTOTHEN GIBBERIFRONS AND NOTOTHENIA CORIICEPS AT POTTER COVE ... Gallardo 470, C1405DJR Buenos Aires, Argentina Abstract Monitoring of demersal fish at inshore sites of ... , Nelson Island, in the austral summer of 1995/96. Still evident is the decline in trammel-net catches of ...

    Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 43–52 : Autor(es): Barrera-Oro, E.R., E.R. Marschoff and R.J. Casaux

  3. Multiple acoustic estimates of krill density at South Georgia during 2000/2001 reveal significant intra-annual and spatial variability

    , north-east and south-west of the island. Together these surveys provided temporally and spatially ... region also reflected a mix of those to the east (generally small) and west (generally large). Krill ... Abstract:  Three separate acoustic surveys of Antarctic krill (Euphausia superba) were conducted ... newly-planned five-year series of observations designed to complement and extend an existing time series ...

    Meeting Document : WG-EMM-01/15 : Autor(es): A.S. Brierley, C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst (United Kingdom)

  4. Prey monitoring surveys: a discussion of the characteristics necessary in prey surveys

    Paper Title:  Prey monitoring surveys: a discussion of the characteristics necessary in prey ... . Three of the parameters (foraging trip - 379 - duration, chick fledging weight and chick diet ... foraging trip duration a reasonable estimate can be made of the maximum radius of the 'foraging circle ... DISCUSSION OF THE CHARACTERISTICS NECESSARY IN PREY SURVEYS I. Everson (United Kingdom) Abstract The ... >KHble cxeMhl HX INTRODUCTION - 378 - PREY MONITORING SURVEYS. A DISCUSSION OF THE ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 377-391 : Autor(es): Everson, I.

  5. USING AUTOMATED CAMERAS AS A COST-EFFECTIVE MEANS OF EXTENDING LAND-BASED PREDATOR MONITORING

    and reliable tools for surveillance and monitoring. This paper describes (1) the kinds of observations ... developed for use in the extreme conditions of Antarctica, (2) a preliminary assessment of the utility of ... expand the spatial extent of Adélie penguin monitoring, and to extend monitoring to additional land-based ... breeding species, in east Antarctica. Author(s):  C. Southwell, L. Emmerson and K. Newbery (Australia ...

    Meeting Document : WG-EMM-11/37 : Autor(es): C. Southwell, L. Emmerson and K. Newbery (Australia)

  6. Preliminary appraisal of Antarctic fish selection by the 32/36 bottom trawl combined with various codends

    Paper Title:  Preliminary appraisal of Antarctic fish selection by the 32/36 bottom trawl combined ... with various codends Abstract / Description:  Selectivity properties of single and doubler-layer twine ... codends (mesh size 120 mm) and single-layer tape codends with a mesh size of 60 and 100 mm were determined ... . It was found that the selectivity properties of twine codends are unsatisfactory in the case of ... liner was placed on the upper part of the codend, reaching down to the middle of the codend side walls ... . The codend bottom was deprived of its selective properties up to the middle of side walls by placing ... selection. In fact, they constituted the middle and final part of a typical selectivity ogive, which was ... - 1 - SC-CAMLR-V/BG/29 PRELIMINARY APPRAISAL OF ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 1-48 : Autor(es): Zaucha, J.

  7. Acoustic estimates of krill density at South Georgia during 11 austral summers between 1981 and 1998

    Abstract:  Acoustic estimates of densities of Antarctic krill, Euphausia superba, at South Georgia ... and 1994 austral summer seasons were characterised by particularly low abundances of krill. For five ... of the summers between 1990 and 1998 it was possible to calculate separate density estimates for ... north-eastern and north-western ends of South Georgia. In four of these years density was higher to the ...

    Meeting Document : WG-EMM-98/51 : Autor(es): A.S. Brierley, J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson (UK)

  8. A simple approach for calculating the potential yield of krill from biomass survey results

    Paper Title:  A simple approach for calculating the potential yield of krill from biomass survey ... for the calculations is that the probability that the krill spawning biomass drops below 20% of its ... median pre-exploitation level over a 20 year period of harvesting should equal 10%. The value of, λ ... depends strongly on the value of M (natural mortality) and σ R (recruitment variability), and also on the ... estimate Bo which is to be used in equation (1) is considered to be made in the middle of the season (Le ... .3) In the middle of the season during which the krin grow, their mass-at-age (w .) is then: wa ... POTENTIAL YIELD OF KRILL FROM BIOMASS SURVEY RESULTS D.S. Butterworth* , A.B. Punt* and M. Basson ... is that the probability that the krill spawning biomass drops below 20% of its median pre ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 207–217 : Autor(es): Butterworth, D.S., A.E. Punt and M. Basson

  9. Size at sexual maturity of Patagonian toothfish (Dissostichus eleginoides)

    Paper Title:  Size at sexual maturity of Patagonian toothfish (Dissostichus eleginoides) Abstract ... / Description:  Analyses of size at sexual maturity were undertaken on samples of Patagonian toothfish ... proportion, 25 to 43%, of sexually mature fish were not coming into spawning condition. This introduces a ... bias leading to the overestimation L m50 of  calculated by conventional methods. Further analysis ... middle of the curve. (This point was highlighted as a warning indicator by the Genstat program during ... data in the middle of the curve for the July period. The results from the PROBITANALYSIS procedure ... MATURITY OF PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) I. Everson and A. Murray British Antarctic ... Survey High Cross, Madingley Road Cambridge CB3 OET, United Kingdom Abstract Analyses of size at ...

    Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 37–46 : Autor(es): Everson, I. and A.W. Murray

  10. Proposed allocation of research catches in Divisions 58.4.1 and 58.4.2

    had notified to conduct research in the exploratory toothfish fisheries off East Antarctica, covered ... allocation of research catches in Divisions 58.4.1 and 58.4.2 Microsoft Word File:  fsa-15-54.docx Approval ...

    Meeting Document : WG-FSA-15/54 : Autor(es): D.C. Welsford (Australia), R. Sarralde Vizuete (Spain) and T. Ichii (Japan)

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Correo electrónico: ccamlr [at] ccamlr [dot] org
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Dirección: 181 Macquarie Street, Hobart, 7000, Tasmania, Australia

 

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