Résultats de la recherche

1. Catch-at-age analysis applied to new fisheries: the case of Dissostichus eleginoides

   fish stocks, which seriously affect model assumptions. This paper demonstrates that for the new fishery ... , analyses using catch-at-age data derived from research cruises may provide an alternative to other methods ... on research surveys, making it possible to estimate the standing stock and potential yield of a ... parameters presented in Table 1. Catch data were available for two years (1991 and 1992), which could be ... exploitation pattern stabilised at a value of 20. The recruits (calculated from equation (9», for the ... fisheries are based on research fishing procedures which provide information for evaluation of the standing ... least the last two fishing seasons, as well as those based on previously unexploited stocks. The catch ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 3–9 : Auteur(s): Zuleta, A.V. and C.A. Moreno

2. Adoption of conservation and management measures

   Conduct for Responsible Fisheries Article 7.5, including the application of precautionary reference points ... goals and criteria for acceptable impact on all the various categories of species in the CCAMLR ... catch limits on by-catch species, but in principle could also be relevant to limits for directed fishing ... Recommendation Responsible body Activities to date Status 3.5.2.1 The requirements for conservation of habitats ...

   Page : Site Section: The Organisation

3. Biomass/CCAMLR krill review

   within the provisions set out by Article II of the Convention for the Conservation of Antarctic Marine ... recent progress in estimating krill production through studies of age and growth, energy budgets for ... nor the models are adequate at present for setting optimum harvesting levels for krill. Special ... . The best prospect of obtaining the information needed for the future development of the required ...

   Meeting Document : SC-CAMLR-VII/BG/39 : Auteur(s): D.G.M. Miller and I. Hampton (South Africa)

4. PROPOSED CHANGES TO THE SCIENTIFIC OBSERVERS MANUAL

   of Contents, with a full track-change version of the Manual provided as an appendix. Two additional ... from the Scientific Committee and its Working Groups. These changes are presented as an annotated Table ... are:  Proposal for a revised method for recording Krill Feeding Observations, and  Proposal for a ... revised fish sampling protocol for krill fisheries. Author(s):  Secretariat Title:  PROPOSED CHANGES TO ...

   Meeting Document : TASO-09/04 : Auteur(s): Secretariat

5. Do krill and salp compete? Contrary evidence from the krill fisheries

   . However, no clear relationship was observed in the Elephant Island area. Possible reasons for these ... feeding on phytoplankton were analysed using logbook data from Japanese krill trawlers operating near the ... proportion of green krill in the catches was evident when both salps and krill were taken together. In the ...

   Meeting Document : WS-AREA 48-98/4 Rev. 1 : Auteur(s): S. Kawaguchi (Japan), W.K. de la Mare (Australia), T. Ichii and M. Naganobu (Japan)

6. Some components of uncertainty in the CCAMLR 2000 acoustical survey of krill

   distorted wave born approximation model of krill TS, fitted with measured distributions of animal lengths ... evaluated in relation to the effects of variant water temperature and salinity on sound speed, sound ...

   Meeting Document : WG-EMM-00/49 : Auteur(s): D.A. Demer (USA)

7. Predicting fishing ground accessibility in the Antarctic Weddell Sea

   particular area is navigable by fishery vessels at a given time and again within the following two years, as ... conditions almost 50% of the entire WSMPA Planning Area is not suitable for fishery vessels at any time of ... the year, while there are high spatiotemporal variability in repeated accessibility in particular ... Secretariat Workflow Status:  Content Approved Delegation responsibility for releasing documents:  Germany ...

   Meeting Document : WG-SAM-18/01 : Auteur(s): H. Pehlke, K. Teschke and T. Brey

8. Commercial fishing vessels as research vessels in the Antarctic – requirements and solutions exemplified with a new vessel

   readily available for conventional coverage of harvested stocks and their ecosystems. This paper describes ... fishing and research vessel could make a large amount of important data available for both management ... , through CCAMLR, and the broader scientific community and thus improve the basis for resource evaluation ... as adequate monitoring, to avoid unintended impacts on the harvested stocks and the associated ... accommodate 20 scientific crew on longer cruises. The vessel will have a dedicated fibre optic network for ... dramatically over its 30- to 40-year history. The present annual catch in the Atlantic sector of the Southern ... scientific use when the vessel is new. In general, space for a 20 ft container laboratory van would be ... important factors for an efficient trawling strategy. Further, such perfor- mance is also crucial for ...

   Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 11–17 : Auteur(s): Godø, O.R., C. Reiss, V. Siegel, J.L. Watkins

9. Advances in the use of airborne aerial survey techniques to estimate krill-eating penguin populations in Area 48

   Abstract:  In this paper we provide WG-EMM with an update on aerial survey methods used to provide ... over the coming years and we will provide similar updates at regular intervals. Author(s):  P.N.Trathan ...

   Meeting Document : WG-EMM-14/05 : Auteur(s): P.N.Trathan, A.J. Fox, N. Ratcliff and P.T. Fretwell (United Kingdom)

10. Modifications to the Generalised Yield Model: updated input of recruitment time series data and annual fishing selectivity functions

    , endeavouring to predetermine the recruitment series with an average value of M is no longer necessary for ... sections for each year at which the selectivity is altered. Author(s):  A.J. Constable (Australia) Title ... functions for different years in the assessment model. This is done in the usual way but with repeated input ... Abstract:  Revisions to the Generalised Yield Model provide for re-estimating the recruitment ...

    Meeting Document : WG-FSA-01/74 : Auteur(s): A.J. Constable (Australia)

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