Résultats de la recherche

1. Near-shore acoustic surveys for Antarctic krill at South Georgia, January 2004

   observations from the past 20 years. A low density was perhaps not unexpected in line with recent cyclical ... to be well suited as an acoustic survey platform. The echosounder transducers were deployed on a ... were collected in seastate 6 with winds up to 30 knots and swells of approximately 2.5 m at survey ... patterns in density but may have been exacerbated by the presence of a large iceberg (40 miles by 30 miles ...

   Meeting Document : WG-EMM-04/35 : Auteur(s): A.S. Brierley, P.N. Trathan, J. Poncet and A. Morton (United Kingdom)

2. Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.3b

   years has been linked to an exemption for night setting in CM 24-02 and subject to a seabird by-catch ... reclassified as exploratory in 2000. That year, the Commission agreed on four exploratory fisheries for ... fishery was set to zero tonnes. An additional limit of 72 tonnes was set for research fishing between 1 ... hypotheses for this division (Figure 3). TOT 58.4.3b 7 20. The Working Group recalled that it had ...

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3. Proposal for a longline survey on toothfish in Statistical Subarea 48.6 in 2017/18

   . This initial year will be used for exploration with particular emphasis on tagging efforts and habitat ... and acoustic techniques. The proposed research is pertinent to issues raised by the Scientific ... Patagonian and Antarctic toothfish, tagging toothfish for biomass estimation and for stock linkage studies ... collaborating members. In 2018 a new Norwegian fishing vessel will be available, equipped with advanced ...

   Meeting Document : WG-FSA-17/61 Rev. 1 : Auteur(s): Delegation of Norway

4. The choice of procedure for deciding when to close fisheries regulated by CCAMLR: a simulation model

   Paper Title:  The choice of procedure for deciding when to close fisheries regulated by CCAMLR: a ... simulation model Abstract / Description:  The methods, described in CCAMLR Conservation Measures, used for ... deciding the closure date for fisheries monitored by the Secretariat of CCAMLR, have been difficult to ... fluctuating random catch histories are simulated and the performance of four models for making closure ... +-, _""---'-, _....---..,-_-.-----.,_--,-. _~,--..::;::. ~L'i"=-, ---,-E--j 40 50 60 70 80 90 "10 of T AC required for a decision Figure 4: Model 1 ... ; and • when the cumulative catch is 90% (Conservation Measure 17/VIII) or 80% (Conservation Measure ... catch rates will always contain an element of uncertainty, for some methods more than others. The more ... WRITE (*,'(4F8.4)') B,A,RATESTART DO 20 I=l,MAXPERIOD C use equation for uniform accelleration to ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 81–97 : Auteur(s): Agnew, D.J.

5. Revised estimates of seabed areas within the 500 m isobath of the South Orkney Islands (subarea 48.2) and consequences for standing stock biomass estimates of nine species of finfish

   examined, the point estimate of total biomass increased from 5 to 30% for eight species and decreased by 20 ... Islands (subarea 48.2) and consequences for standing stock biomass estimates of nine species of finfish ... , areas of seabed within the 500 m isobath (i.e. 0-500 m) were computed for 50 m depth intervals. Areas ... results were compared to the previously reported estimates of Everson (1987) for the 50-150, 150-250 and ... ) for the 50-150, 150-250 and 250-500 m depth intervals. The updated estimates are about 1 424 (20%) n ... biomass. Of the nine species examined, the point estimate of total biomass increased from 5 to 30% for ... eight species and decreased by 20% for one. Une carte bathymetrique revisee des iles Orcades du Sud ... PaCCMOTPeHHbIX BNAOB OqeHKa o6qet ~ H O M ~ C C ~ I BO3pOCna Ha 5-30% AJIR 8 BHAOB M COKpaTHJIOCb Ha 20% AnR ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 197–204 : Auteur(s): C.D. Jones

6. Utilising data from ecosystem monitoring for managing fisheries: development of statistical summaries of indices arising from the CCAMLR Ecosystem Monitoring Program

   anomalies. The last section outlines an approach to the further development of CEMP indices for application ... Paper Title:  Utilising data from ecosystem monitoring for managing fisheries: development of ... :  A potential method is presented for combining data collected as part of the CCAMLR ecosystem ... monitoring program (CEMP) into a single index for each of predator, prey and environmental parameters. The ... simulation for two forms of alternative hypothesis with data series of up to 20 and 30 years. In both forms ... replicates. Smoothing occurred in less than 50% of replicates in some of the 20-year time series for which ... the test for robustness indicated above. For a dataset that extends to 20 years, at least half the ... is fixed at 20 years. The data series is continued with additional shifted values for a further ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 101–117 : Auteur(s): de la Mare, W.K. and A.J. Constable

7. A method for spreading the risk of localised effects of catches of Antarctic krill up to the trigger level, during the development of stage 2 of feedback management

   an approach for undertaking the review and providing advice on a future spatial distribution of the ... in Area 48 to develop a framework for the review of CM51-07.  We first consider the requirements for ... distribute the catch.  In the second section, we review the best scientific evidence available for krill ... Abstract:  Conservation Measure 51-07 provides an interim distribution of the trigger level in the ...

   Meeting Document : WG-EMM-16/69 : Auteur(s): A.J. Constable, S. Kawaguchi and M. Sumner

8. The state of Dissostichus eleginoides stock and TAC for 1990/91 in Subarea 48.3 (South Georgia)

   determining growth rate, size and age composition, natural mortality and catch statistics an attempt was made ... Abstract:  The paper “The state of Dissostichus eleginoides stock and TAC for it for 1990/91 ... (VNIRO and AtlantNIRO, USSR) Title:  The state of Dissostichus eleginoides stock and TAC for 1990/91 in ...

   Meeting Document : WG-FSA-90/34 : Auteur(s): K.V. Shust, P.S. Gasiukov, R.S. Dorovskikh and B.A. Kenzhin (VNIRO and AtlantNIRO, USSR)

9. A new method for the measurement of Antarctic krill Euphausia superba Dana from predator food samples

   carapace length were calculated for Antarctic krill Euphausia superba Dana for those classes of sex and ... predictor of total length is highly recommended for animals where total length measurement would be ... inaccurate, providing that the animal may be staged. Author(s):  H.J. Hill (United Kingdom) Title:  A new ... method for the measurement of Antarctic krill Euphausia superba Dana from predator food samples Approval ...

   Meeting Document : WG-CEMP-90/40 : Auteur(s): H.J. Hill (United Kingdom)

10. Fishery Report: Exploratory fishery for Dissostichus spp. (TOT) in Division 58.4.3b

    this fishery and in recent years has been linked to an exemption for night setting in CM 24-02 and ... was not submitted for review by any SC-CAMLR working group, and that future research plans should be ... - 20 0 2005 159 7 50 6 - 20 <1 2006 159 8 50 1 - 20 <1 2007 159 17 50 3 1 267 20 1 2008 80 7 50 1 ... 157 20 2 2009 80 4 50 1 102 20 <1 2010 80 2 50 <1 22 20 <1 2011 - 1 - <1 - - <1 2012 - 1 - <1 ...

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