Результаты поиска

1. Electronic monitoring of seabird interactions with trawl third-wire cables on trawl vessels – a pilot study

   one-month period in the fall of 2002. Detailed analysis of about 200 hours of fishing imagery occurred ... delivery and head and gut bottom trawl vessels conducting operations in the Bering Sea, U.S. Exclusive ... cables. The EM system provided imagery of sufficient quality to detect the presence, abundance, and ... to detect third-wire entanglements of seabirds although it was not possible to determine the cause of ...

   Meeting Document : WG-FSA-04/23 : Автор(ы): H. McElderry, J. Schrader, D. McCullough, J. Illingworth, S. Fitzgerald and S. Davis (USA)

2. Electronic monitoring of seabird interactions with trawl third-wire cables on trawl vessels – a pilot study

   one-month period in the fall of 2002. Detailed analysis of about 200 hours of fishing imagery occurred ... delivery and head and gut bottom trawl vessels conducting operations in the Bering Sea, U.S. Exclusive ... cables. The EM system provided imagery of sufficient quality to detect the presence, abundance, and ... to detect third-wire entanglements of seabirds although it was not possible to determine the cause of ...

   Meeting Document : WG-FSA-04/23text : Автор(ы): H. McElderry, J. Schrader, D. McCullough, J. Illingworth, S. Fitzgerald and S. Davis (USA)

3. Modelling growth of Antarctic krill: growth trends with sex, length, season, and region

   this model was used to predict seasonal IMP using a model of the average sea-surface temperature ... small to negative values of IGR predominating across all size classes by autumn. The period of rapid ... growth was December in Indian sector, whereas in the Scotia Sea sector it appeared to be a few months ... Abstract:  Growth trends of Antarctic krill with sex, length, season and region using over 10 ...

   Meeting Document : WG-EMM-05/29 : Автор(ы): S. Kawaguchi, S. Candy, R. King (Australia), M. Naganobu (Japan) and S. Nicol (Australia)

4. Estimating abundance of Antarctic fur seals at South Georgia

   Abstract:  This paper presents a description of the statistical approach developed to estimate ... abundance of Antarctic fur seals at South Georgia. The estimate is based on photographic counts of all the ... breeding beaches in the fur seal’s distribution range. The images were obtained during comprehensive ... helicopter surveys conducted during 2006 and 2008. The proposed Bayesian analysis scales up in situ counts to ...

   Meeting Document : WG-EMM-14/09 : Автор(ы): J. Forcada, I.J. Staniland, A.R. Martin, A.G. Wood and P.N. Trathan (United Kingdom)

5. 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 : Автор(ы): Demer, D.A.

6. 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 : Автор(ы): S.M. Kasatkina

7. 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 : Автор(ы): W.Z. Trivelpiece (USA), K. Salwicka (Poland) and S.G. Trivelpiece (USA)

8. 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 : Автор(ы): A.M. Kuris and K.D. Lafferty (USA)

9. 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 : Автор(ы): K. Kerry and L. Irvine (Australia)

10. 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 : Автор(ы): S. Hain, T. Brey and K. Teschke

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