Résultats de la recherche

1. Report on incidental bird mortality and effectiveness of mitigation measures during demersal long lining by Ihn Sung 66 in Subarea 48.3 - December 1993 to February 1994

   Abstract:  A method of surveying incidental mortality of seabirds during longlining operations and ... daylight during which the longline is set is more important than the use of a streamer line in the ... mitigation of incidental mortality. The use of a streamer line during setting of longlines during the day ...

   Meeting Document : WG-IMALF-94/14 : Auteur(s): C. Jones and G. Parkes (United Kingdom)

2. Preliminary model of krill fishery behaviour in Subarea 48.1

   Abstract:  A simple deterministic model is described which models the behaviour of the krill ... March, compare favourably with the general distribution of catches in Subarea 48.1. A number of ... management scenarios are considered, which involve closures (i) of a zone 50 km offshore from the South ...

   Meeting Document : WG-KRILL-93/14 : Auteur(s): D.J. Agnew (Secretariat)

3. Change-in-ratio and index-removal methods for population assessment and their application to snow crab (Chionoecetes opilio)

   Abstract:  Change-in-ratio and index-removal estimators are presented in a general form suitable ... for fisheries studies. We also show how to combine the two approaches in a single estimator. It is ... of pre-recruits but this requires the assumption of equal catch ability of all animals, a condition ...

   Meeting Document : WS-CRAB-93/10 : Auteur(s): X. Xu, E.G. Dawe and J.M. Hoenig (USA)

4. Status of krill target strength

   . These are confined to measurements on aggregations of live euphausiids, which should avoid a frequent ... orientational parameters, for which there is an empirical basis. The theoretical estimates show a non-monotonic ... are applicable to a wide range of lengths, acoustic frequencies, and orientation parameters. Author(s ...

   Meeting Document : WG-KRILL-92/11 : Auteur(s): K.G. Foote (Norway), D. Chu and T.K. Stanton (USA)

5. Feeding of nine Antarctic fish species and their daily ration evaluations

   species were investigated and their daily diets were assessed from data obtained at a day-long station ... mainly of Euphausiids; T. centronotus is a benthophage feeding mainly on Gammarids and Polychaetas, T ... 5 times their body weight. Author(s):  Ye. A. Pakhomov and V. B. Tseitlin (USSR) Title:  Feeding of ...

   Meeting Document : WG-FSA-91/08 : Auteur(s): Ye. A. Pakhomov and V. B. Tseitlin (USSR)

6. Food consumption by predators in CCAMLR Integrated Study Regions

   Abstract:  A detailed description of the structure and mode of operation of a model for estimating ... food consumption of seabird predators is provided. This model is a development of earlier ones used in ...

   Meeting Document : SC-CAMLR-IX/BG/16 : Auteur(s): Delegation of United Kingdom

7. Dates of spawning of Antarctic euphausiids

   waters of different origin and on different latitudes euphausiids begin to spawn in a usual succession ... -latitude origin is earlier then in the waters of an other type. The correlation with a geographical ... position of a region (latitude) is obvios for the beginning and maximum of the spawning while for the ...

   Meeting Document : SC-CAMLR-VIII/BG/24 : Auteur(s): Delegation of USSR

8. Some aspects of the relation between Antarctic krill abundance and CPUE measures in the Japanese krill fishery. (Component of SC-CAMLR-VI/BG/4)

   time data may be needed to assess the density of swarms in a concentration, but may be difficult to ... record in practice, and a number of other factors may complicate any analysis. The possibility of ... indexing the extent of the krill distribution through routine oceanographic monitoring merits attention. A ...

   Meeting Document : WS-KCPUE-89/03 : Auteur(s): D.S. Butterworth (South Africa)

9. Accumulation of stranded plastic objects and other artefacts at Inaccessible Island, central South Atlantic Ocean

   Abstract:  During 1987 a survey of macro-artefacts (>10 mm diameter) was conducted along a 900 ... sources had increased by at least 120 per cent, suggesting a recent increase in the density. of artefacts ...

   Meeting Document : CCAMLR-VII/BG/04 : Auteur(s): P.G. Ryan and B.P. Watkins (South Africa)

10. Review of some assumptions for modelling Patagonian toothfish dynamics at CCAMLR Subarea 48.3

    recruitment over time vs. considering a fitted h parameter and variable recruitment. The first alternative ... produces a more stable population structure and would introduce bias in the biomass and spawning stock ... . Author(s):  A. Aubone, P.A. Martínez and O.C. Wöhler (Argentina) Title:  Review of some assumptions for ...

    Meeting Document : WG-FSA-SAM-06/13 : Auteur(s): A. Aubone, P.A. Martínez and O.C. Wöhler (Argentina)

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