Résultats de la recherche

1. 2018 International Conference on Assessing Status and Trends of Habitats, Key Species and Ecosystems in the Southern Ocean, Hobart, Tasmania, Australia

   -CAMLR to participate in working groups on four themes that will be of benefit to SC-CAMLR: (1 ... IMBER and SCAR, will be holding a conference on assessing status and trends of habitats, key species and ...

   Meeting Document : SC-CAMLR-XXXIV/BG/22 : Auteur(s): Delegation of Australia

2. VME detection thresholds: preliminary results of a study on the case of the sea pens (Pennatulacea) of the CCAMLR sector 58.4.4b

   be protected. Management decisions are triggered out according to various levels. Important catches ... the sea pens, and based on the data collected in the 58.4.4b sector. The results may indicate that (1 ... ) detection thresholds may be defined considering the taxa of the VME bioindicators, (2) the detection ...

   Meeting Document : WG-EMM-2019/52 : Auteur(s): A. Martin and M. Eléaume

3. On the possibility of practical utilisation of krill target strength TS in situ obtained on the basis of EK-500 measurements

   caught with the commercial trawl RT 741448. It was shown that differences between krill length ... Abstract:  Comparative analysis of krill length distribution in the echosurvey area, obtained with ... situ at the frequency of 120 kHz as measured with echosounder EK-500 (split-beam) principle). Krill was ... considerable (statistically significant). Besides, krill length estimates, obtained with acoustic method, were ...

   Meeting Document : WG-EMM-98/19 : Auteur(s): S.M. Kasatkina (Russia)

4. The error of the biomass estimate as a function of survey parameters and the statistics of a density field of krill aggregations

   with the help of mathematical statistics and methods of calculus of probabilities. The biomass estimate ... of the survey with respect to the axis of the correlation ellipse and the frequency of transects ... (sections) serve as survey parameters. The relationships described here can be used in practice for both a ... internal knot with number i then using the fact that the field ~ is isotropic, the formula () can be ... $"= o/o-!A.;t,;2' ~ correspolliing to each expe- riment , should be proportional to t; with coefficient ... might depend and how this dependence can be expressed mathematically with account for the probability ... (if using an echointegrator). That is why in this context echo surveys can be considered similarly ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 213-228 : Auteur(s): Kizner, Z.I.

5. Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.1

   further recommended that SSRUs with a yield of less than 20 tonnes be closed to fishing. 22. The ... noted that the two-stock ‘east and west’ hypothesis presented in WG-FSA-08/43 could also be simply a ... ). WG-SAM also recommended that tagging be continued at the current rate in these divisions. 17. An ... should not be used for biomass estimation. He also considered that catches of immature (1–4 years old ...

   Document : Site Section: Publications

6. Protecting young fish and spawning aggregations of Champsocephalus gunnari in Subarea 48.3 (South Georgia): a review

   that ' t he Work ing Group recommended the closure o f directed fishing for C , grrlz~zarr be ... threshold level which is considered to be associated with a higher likelihood of 'good' recruitment (e.g ... need to be protected, particularly if the fish aggregate to the extent that fishing might lead to ... . Therefore a particular mesh size will be associated with a particular size (and therefore age) at first ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 75–86 : Auteur(s): Parkes, G.B

7. Target strength of Antarctic krill

   =-69db). Net samples obtained immediately before the experiment indicate that the animals were ... reproductively mature and averaged 47.44mm in length. Results agree well with recent predictions of acoustic ... scattering by elongated zooplankters. The modal value of the measurements is 6.7dB lower than that predicted ...

   Meeting Document : WG-KRILL-91/13 : Auteur(s): R.P. Hewitt and D.A. Demer (USA)

8. Scientific observations in CCAMLR fisheries – past, present and future

   country. This paper outlines the Scheme's history in terms of its logistics, participation and ...

   Meeting Document : WG-FSA-04/64 : Auteur(s): Secretariat

9. Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey

   that further fo r krill coincided. The choice of parameter calculations be carried out which would ... 50 !, from U [34,40l mm with W,,, = 12 mm. These lengths can be converted into ages using the ... selected age classes; this means that the complete fixed catch specified will not be taken in every year ... ) requested that statistics be provided for a 10- as well as a 20-year period of harvesting. Calculations ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 81–106 : Auteur(s): Butterworth, D.S., G.R. Gluckman, R.B. Thomson, S. Chalis, K. Hiramatsu and D.J. Agnew

10. Conservation Measure Conservation Measure 91-03 (2004)

    Ecosystem Monitoring Program (CEMP). Recognising that these studies may be vulnerable to accidental or ... seabirds should be limited to that necessary to provide essential background information or to ... colonies that might be suitable for inclusion in the network of CEMP monitoring sites being established ... Island area would be an excellent site for long-term monitoring of fur seal and penguin colonies that ...

    Conservation Measure : 91-03 (2004)

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