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CCAMLR

Comisión para la Conservación de los Recursos Vivos Marinos Antárticos

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  1. Results of the mark–recapture experiment in Subarea 48.3, 2005

    Abstract:  The mark-recapture experiment continued at South Georgia in 2005. In total some 8000 ... fish have now been tagged in 48.3, and both tagging effort, fishing effort and recaptures were well ... – distributed over the whole of the fishable grounds in 48.3 this year. The Petersen mark-recapture estimator ... , which has been applied previously and described in detail by Agnew et al (2004) and Payne et al (2005 ...

    Meeting Document : WG-FSA-05/17 : Autor(es): D.J. Agnew and A. Payne (United Kingdom)

  2. Preliminary analysis on the Kerguelen shelf icefish Champsocephalus gunnari stock from 1996/97 to 2001/02: no evidence in the recovery!

    deverted fishermen from these specific shallow fishing grounds. However to follow the situation in the area ... cruises in the traditionnal area of fish aggregations. Such cruises occur regularly with two trawlers from ... 1996/97 to 2001/2002, the last season of trawling in the Kerguelen EZ. Preliminary results do not show ... an increasing of the icefish’s abundance in the surveyed area and biomass seems very low. It is a ...

    Meeting Document : WG-FSA-02/65 : Autor(es): G. Duhamel and J. Claudet (France)

  3. Mackerel icefish biomass and distribution on the results of acoustic survey carried out in February–March 2002

    Atlantida in February-March 2002 in Subarea 48.3 are presented. Biomass and distribution of icefish were ... estimates of icefish were made by comparison an observed TS in situ histograms with the size composition of ... abundance values by size class in pelagic zone and in the near-bottom 8m layer (covered by bottom trawling ... are also available. The bottom biomass resulted in the estimate of 62,328.0 tonnes. The sum acoustic ...

    Meeting Document : WG-FSA-02/44 : Autor(es): S.M. Kasatkina, V.Yu. Sunkovich, A.P. Malyshko and Zh.A. Frolkina

  4. EVALUATION OF VME TAXA MONITORING BY OBSERVERS FROM FIVE VESSELS IN THE ROSS SEA REGION ANTARCTIC TOOTHFISH LONGLINE FISHERIES DURING THE 2008-09 SEASON

    Abstract:  Conservation Measure 22-07 (2008) requires vessels fishing in the Ross Sea region (and ... materials; stylasterids and gorgonians. Errors in other groups indicated the observers did not always record ... ). Relatively large differences between vessels in how VME taxa bycatch were recorded are noted, along with ... in terminology in how data were recorded in logbooks were noted and alternatives described. Updates ...

    Meeting Document : TASO-09/08 : Autor(es): Carter, M., Parker, S.J., Mormede, S., Tracey, D.M.

  5. ADDRESSING UNCERTAINTY OVER THE IMPORTANCE OF ANTARCTIC TOOTHFISH AS PREY OF SEALS AND WHALES IN THE SOUTHERN ROSS SEA: A REVIEW

    (Dissostichus mawsoni) as prey of top predators in the Ross Sea. We reviewed the literature to assess the ... been detected in scat or stomach samples; biochemical samples have been taken only from seal ... -breeding seals in McMurdo Sound take 0.8-1.3 toothfish per day. Seals with video recording equipment were ... estimated that the non-breeding portion of the seal population in McMurdo Sound, during spring and summer ...

    Meeting Document : WG-EMM-08/22 : Autor(es): D. Ainley and D. Siniff (USA)

  6. Assessment of fishing intensity of krill in Subarea 48.2 during the season of 1989/90

    (data of 2900 trawlings are used) in the South Orkneys area during December 1989- March 1990. In the ... fishing intensity (2.7- 88.9 thous.t) obtained for above mentioned four months in 1984-1993 (CCAMLR, 1994 ... in the area off the northern Coronation Island. Vessels of PPR type obtained the highest catch ... 30 t. The highest variability was observed in trawlings duration (τ) and catch per trawling hour (q ...

    Meeting Document : WG-EMM-97/51 : Autor(es): Ivanova, V.I., Sushin, V.A., Kasatkina, S.M.

  7. Oceanic condition and zooplankton distribution/ abundance in Bransfield Strait during austral summer 1989/1990

    Abstract:  To delineate zooplankton distribution and abundance in Bransfield Strait, in relation ... plankton towings in a systematic grid from December 29, 1989 to January 7, 1990. Comparisons of temperature ... south of Deception Island, and meanders northeastward in the surface layer of the northern strait ... %) in terms of number, and followed by salpa (27.7%), chaetognatha (6.7%), and euphausia (1.3%). However ...

    Meeting Document : WG-KRILL-91/14 : Autor(es): S.M. Kim and M.S. Suk (Korea)

  8. Evaluating length-frequency data and length-based performance indicators in new and exploratory fisheries

    Abstract:  Length-frequency data are routinely collected in CCAMLR’s fisheries and used as inputs ... to stock assessments. In CCAMLR’s new and exploratory fisheries, stock assessment techniques are ... still in development and robust conclusions on stock status based on length-frequency data alone have ... been difficult. In this paper, we show that length-frequency data on their own have little inherent ...

    Meeting Document : WG-FSA-10/43 : Autor(es): P.E. Ziegler, D.C. Welsford and A.J. Constable (Australia)

  9. A false positive in the CCAMLR tag overlap statistic arising from low catch volume and consequent limited sample size

    Abstract:  The draft CCAMLR compliance report has recorded that when fishing in Subarea 88.2 in ... minimum of 60% as specified in CM 41-01. A review of the data indicates that the number of fish tagged was ... of fish tagged did not match closely with that of the catch resulting in a the overlap statistic, as ... as this and others if they have arisen, to determine how to provide advice to the Commission in cases ...

    Meeting Document : WG-FSA-14/31 : Autor(es): C. Darby (United Kingdom)

  10. Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) program: developing ICED and CCAMLR joint activities

    Abstract:  The Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) programme ... valuable information for ecosystem-based management in the region. Following discussions between ICED and ... CCAMLR to develop joint activities in this regard, planning is underway for an ICED Workshop focussed on ... projections of change in Area 48- Developing projections of the future state of Southern Ocean ecosystems ...

    Meeting Document : WG-EMM-17/36 : Autor(es): E. Murphy on behalf of ICED SSC

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Correo electrónico: ccamlr [at] ccamlr [dot] org
Teléfono: +61 3 6210 1111
Facsímil: +61 3 6224 8744
Dirección: 181 Macquarie Street, Hobart, 7000, Tasmania, Australia

 

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