Résultats de la recherche
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Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea
option (v), an example of an adjustable catch limit dependent on the results of ecosystem monitoring, the ... Paper Title: Options for allocating the precautionary catch limit of krill among small-scale ... management units in the Scotia Sea Abstract / Description: Following an assessment of Antarctic krill ... catch limit for krill among the SSMUs so as to preclude the inadvertent concentration of catches in a ... standing stock less predator demand for an SSMU is less than zero, then no catch limit would be allowed ... SSMU may change from year to year and that an index may have some predictive value in estimating ... catch limit in the two South Georgia SSMUs and the two Bransfi eld Strait SSMUs could vary from year ... 3 0 20 40 60 80 100 Krill biomass density (g m-2) A 1 st an d ar d d ev ia te y ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 81–97 : Auteur(s): Hewitt, R.P., G. Watters, P.N. Trathan, J.P. Croxall, M.E. Goebel, D. Ramm, K. Reid, W.Z. Trivelpiece and J.L. Watkins
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Variation in echosounder calibration with temperature and some possible implications for acoustic surveys of krill biomass
appropriate adjustments for differences in sound speed between locations have been made. Here we present ... transducer gains were detected at both 38 and 120 kHz between calibrations conducted at the two locations. At ... in turn to an under-estimation of krill biomass by 52.5 %. Every effort should therefore be made to ... are to be conducted. In addition, the implications of temperature variation across a survey area for ...
Meeting Document : WG-EMM-97/52 : Auteur(s): Watkins, J.L., Woodroffe, P., Brierley, A.S., Goss, C.
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Results of the longline survey for toothfish in the northern Ross Sea region (SSRU 88.2A) by the FV Argos Froyanes, United Kingdom
Abstract: A multi-year, multi-Member research program was established to map and sample the ... of 49 tonnes of D mawsoni and small catch of 29 kg of two D eleginoides was taken; 150 tagged fish ... , J. Clark, J.M.G. Rebollo and C. Darby (United Kingdom) Title: Results of the longline survey for ... fish and collect information on the characteristics of the toothfish inhabiting the region. The vessel ...
Meeting Document : WG-SAM-15/31 : Auteur(s): M. Soeffker, J. Clark, J.M.G. Rebollo and C. Darby (United Kingdom)
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Conservation Measure Conservation Measure 61/XI (1992)
par l'atelier. Les données sur les captures effectuées avant le 30 août 1993 doivent être déclarées ... au secrétariat de la CCAMLR le 30 septembre au plus tard pour que le Groupe de travail chargé de l'évaluation ... , à savoir : du jour 1 au jour 10, du jour 11 au jour 20, et du jour 21 au dernier jour du mois ...
Conservation Measure : 61/XI (1992)
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The Ross Sea, Antarctica, where all ecosystem processes still remain for study
composed of two related biotic systems: the Ross Sea Shelf Ecosystem (RSShE) and the Ross Sea Slope ... model of international scientific cooperation and collaboration. The successful result is an incredible ... scientific resource. The Ross Sea represents an unparalleled natural laboratory in which the results of ... ): D. Ainley (USA) Title: The Ross Sea, Antarctica, where all ecosystem processes still remain for ...
Meeting Document : WG-EMM-02/60 : Auteur(s): D. Ainley (USA)
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What do we know about fish stocks in the Southern Scotia region? A review and prospects for future research
1978/79. The fishery was lucrative for a few seasons only, and was closed in 1989/90. Stocks of finfish ... , and followed primarily fluctuations in year-class strength and the environment. However, stocks of ... , German and recent American research in the area. Two elements of the fish fauna overlapped in the ... Southern Scotia region? A review and prospects for future research Approval: Approved ...
Meeting Document : WG-FSA-00/14 : Auteur(s): K.-H. Kock (Germany) and C. Jones (USA)
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Species identification and age estimation for the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea
Paper Title: Species identification and age estimation for the ridge-scaled macrourid (Macrourus ... Zealand for subsequent confirmation of their identity by researchers from the National Institute of Water ... and Atmospheric Research (NIWA). Two species were found, Macrourus whitsoni and M. holotrachys. A ... methodology has yet to be validated for this species. Von Bertalanffy growth parameters were calculated from ... . holotrachys Species identifi cation and age estimation for M. whitsoni 44 Marriott et al. 0 10 20 30 ... In 1999, CCAMLR observers collected macrou- rid otoliths, for subsequent ageing, on two com- mercial ... 40 50 60 70 80 90 100 0 5 10 15 20 25 30 35 40 45 50 55 60 Age (years) To ta l l en gt h ... to collect macrourid specimens for identifi cation. The requirements were ‘Two fi sh at random are ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 37–51 : Auteur(s): Marriott, P., P.L. Horn and P. McMillan
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Preliminary results of oceanological research of Ukrainian vessels in the CCAMLR area for the season 2017/18
Abstract: In the fishing season of 2018, three Ukrainian fishing vessels collected oceanographic ... research of Ukrainian vessels in the CCAMLR area for the season 2017/18 Approval: Approved Secretariat ... Workflow Status: Content Approved Delegation responsibility for releasing documents: Ukraine ...
Meeting Document : WG-SAM-18/27 : Auteur(s): V. Paramonov
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A PROPOSED MANAGEMENT PROCEDURE FOR THE TOOTHFISH (Dissostichus eleginoides) RESOURCE IN THE PRINCE EDWARD ISLANDS VICINITY
recommendations for this resource. The MP uses two data sources: the recent trend in longline CPUE and the mean ... implementation based upon the results of the trials. Given the importance of an adequate catch rate for the ... Abstract: Four Operating Models (OMs) reflecting an “Optimistic”, “Intermediate”, “Less ... Pessimistic” and a “Pessimistic” current status for the toothfish resource in the Prince Edward Islands region ...
Meeting Document : WG-SAM-08/11 : Auteur(s): A. Brandão and D.S. Butterworth (South Africa)
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Availability of resources for activities
for finfish then certainly for krill) will continue. In these circumstances, the RP saw significant ... merit in the Commission seeking to expand its financial base through identifying and charging for the ... full cost of services which are provided for commercial fishing operations. This will require the ... development of a cost-recovery policy and an assessment of how this should be implemented. SCAF/ Commission ...
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