Résultats de la recherche

1. Measurements of fish school velocities with an acoustic Doppler current profiler

   ), it was required that the four ADCP beams simultaneously insonified a fish school, in the same depth ... estimates and ensemble averaged to determine the average speeds and directions of fish aggregations. The ... results suggests that the ADCP can be a useful tool for observing fish behavior in certain situations ... . Some applications may include the quantification of horizontal and vertical migration patterns of large ...

   Meeting Document : WG-EMM-96/41 : Auteur(s): Demer, D.A.

2. On possible impact of new continuous krill fishing technology on juvenile fish and larvae

   fishing technology may result in considerable by-catch of the juvenile fish and larvae in krill fishery ... powerful pumping system for continuous pumping the catch out of the trawl bag. It was discussed the ... Abstract:  The new continuous krill fishing system uses both a small-meshed midwater trawl and a ... potential threats of new technology to Antarctic marine ecosystem. It was shown that application of this ...

   Meeting Document : WG-FSA-06/23 : Auteur(s): S.M. Kasatkina

3. Synopsis of CEMP and non-CEMP predator parameters from Admiralty Bay and Cape Shirreff, South Shetland Islands, Antarctica: their relationships to krill abundance and ice cover, 1978–2003

   . Results of the analyses are presented in a series of 6 Tables, following the outline of a Draft paper by ... , South Shetland Islands, Antarctica were analysed to assess the characteristics of the individual ... K.Reid for similar analyses at South Georgia. The tabular data include: 1. Table 1. A list of the penguin ... performance indices collected at the two sites 2. Table 2. Data on annual variability in krill biomass density ...

   Meeting Document : WG-EMM-03/61 : Auteur(s): W.Z. Trivelpiece (USA), K. Salwicka (Poland) and S.G. Trivelpiece (USA)

4. Modelling crustacean fisheries: effects of parasites on management strategies

   Abstract:  The reproductive performance of commercially important crustaceans may be considerably ... ;open" or "closed" depending on the behavior of planktonic larvae, the duration of these ... planktonic stages, and the flush rate of the environment of the adult host. Both hosts and parasites may have ... open or closed larval recruitment. We developed mathematical models to investigate the impact of ...

   Meeting Document : WS-CRAB-93/09 : Auteur(s): A.M. Kuris and K.D. Lafferty (USA)

5. Deaths of Adélie penguins at Mawson November–December 2001 investigated

   near Mawson between 23 November and 4 December, 2001. It is concluded the most likely cause of death ... death of the penguins suggested initially that disease may have been implicated and so investigations ... were treated accordingly. The sampling protocols developed by CEMP were used in these investigations ... Abstract:  Over 120 adult Adélie penguins were found dead in unusual circumstances on Welch Island ...

   Meeting Document : WG-EMM-02/42 : Auteur(s): K. Kerry and L. Irvine (Australia)

6. A versatile approach to minimise damage or loss of longline gear due to sea-ice

   quickly varying sea ice cover, there is an increased risk that any parts of longline gear floating on the ... informs FSA about the very successful experience gained by the Alfred Wegener Institute in using pop-up ... buoy recovery systems for short-term deployment of scientific instruments on the sea floor and invites ... FSA to: (1) to (re-)discuss the issue of damage or loss of longline gear due to sea ice, including the ...

   Meeting Document : WG-FSA-2019/04 : Auteur(s): S. Hain, T. Brey and K. Teschke

7. Can we use discriminant function analysis to sex penguins prior to calculating an index of a morphometric parameter?

   functions are able to correctly determine the sex of birds with greater than 80% success the difference ... . Combining all data for both sexes is considered as a procedure for avoiding the necessity of sex ... determination, but uncertainty in sex ratios can lead to considerable Type I and Type II errors. Lack of ... knowledge about the sex ratio between years makes combining the data a very doubtful procedure and use of a ...

   Meeting Document : WG-CEMP-92/11 : Auteur(s): D.J. Agnew (Secretariat)

8. Vast assembly of vocal marine mammals from diverse species on fish spawning ground

   echoes used in the assessment of prey abundance and distribution. Periodically, only the receiver array ... methodology offer coverage of 10s of km and may thus inform about variability issues now causing troubles in ... the assessment of krill using conventional acoustic methods.   Author(s):  D. Wang, H. Garcia, W ... information on prey distribution and abundance as well as distribution and activity of their top predators ...

   Meeting Document : WG-EMM-16/P01 : Auteur(s): D. Wang, H. Garcia, W. Huang, D.D. Tran, A.D. Jain, D.H. Yi, Z. Gong, J.M. Jech, O.R. Godø, N.C. Makris and P. Ratilal

9. On development of centralised preparation and accreditation scheme for scientific observers and CCAMLR Member countries

   , cruise report etc.) produced during the inter-session SISO work are presented in the paper. Position of ... the Russian Federation on development of centralized preparation and accreditation scheme for ... scientific observers and CCAMLR member countries is amplified here. Author(s):  Delegation of the Russian ... Abstract:  Suggestion and comments on changes in basic documents for scientific observers (logbook ...

   Meeting Document : SC-CAMLR-XXXIII/BG/18 : Auteur(s): Delegation of the Russian Federation

10. Drawing on international experience to improve performance of CCAMLR tagging programs

    Abstract:  Mark-recapture methodologies are commonly used to inform the management of fisheries ... presented. The paper focusses on the design and implementation of toothfish tagging programmes, but many of ... . In addition to answering targeted research questions, tagging programmes are typically used to ... describe movement patterns relative to stock unit identification or to support spatial disaggregation of ...

    Meeting Document : WG-SAM-12/26 : Auteur(s): S. Parker and S. Mormede (New Zealand)

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