Результаты поиска

1. Analysis of krill fishery behaviour in the southwest Atlantic: potential signals for moving fishing activities amongst SSMUs

   . Nicol (Australia) Title:  Analysis of krill fishery behaviour in the southwest Atlantic: potential ...

   Meeting Document : WG-EMM-07/27 : Автор(ы): S. Kawaguchi, A. Constable and S. Nicol (Australia)

2. Antarctic neritic krill Euphausia chrystallorophias: spatio-temporal distribution, growth and grazing rates

   :  Antarctic neritic krill Euphausia chrystallorophias: spatio-temporal distribution, growth and grazing rates ...

   Meeting Document : WG-Joint-94/10 : Автор(ы): E.A. Pakhomov (Ukraine) and R. Perissinotto (South Africa)

3. On problem of natural subdividing of Antarctic krill’s geographic area (an application to the monitoring of fishing)

   Abstract:  The possibilities of natural regionisation of antarctic krill's geographic area ... spatial structure of krill's geographic area. More then 43% of regions, where usually present ... concentrations of krill (this percent includes all recently acting fishery regions) lay inside of secondary ... fronts. These fronts are natural boundaries of supposed krill's stocks (subpopulations). Such ...

   Meeting Document : WG-KRILL-93/37 : Автор(ы): R.R. Makarov and L.L. Menshenina (Russia)

4. An attempt to derive a composite index of abundance from acoustic surveys and fishery data

   Abstract:  Maps of krill (Euphausia superba) density derived from acoustic survey data and the ... distribution of fishing effort in the Chilean krill fishery indicate an area of high krill density wrapping ... distribution of catch-per-fishing-time and krill density (measured acoustically) show similar forms. Search ... time could not be used to estimate other aspects of krill distribution pattern because fishing ...

   Meeting Document : WG-Krill-94/14 : Автор(ы): R.P. Hewitt (USA), V. Marín (Chile) and D. Demer (USA)

5. Penguin foraging behavior in relation to the distribution of prey

   of their primary prey, krill (Euphausia superba) in the vicinity of Seal Island, South Shetland ... Islands, Antarctica between January 19 and March 10 1992. Krill was found to show a distinct diel ... of chinstrap penguin dives was found to follow the diel migration pattern of the krill. On average ... , chinstrap penguins dove to the shallow limit of the distribution of krill. The maximum depth of penguin ...

   Meeting Document : WG-KRILL-93/47 : Автор(ы): D.A. Croll, R.P. Hewitt, D.A. Demer and J.K. Jansen (USA)

6. In situ target strength measurements of Antarctic zooplankton (Euphausia superba and Salpa thompsoni) at 120 khz and 200 khz, corroboration of scattering models, and a statistical technique for delineating species

   scattering is from each animal's spheroidal nucleus. Consistent with the measurements of encaged krill ... (5):2985-2988 (1993)], the TS of in-situ krill are shown to fit a deformed cylinder model [T.K ... frequencies. About 15% of the tests indicated the presence of salps without krill and about 3% revealed krill ... without salps. The salp/no krill echograms were characterized by diffuse scattering layers which were much ...

   Meeting Document : WG-Krill-94/12 : Автор(ы): D.A. Demer and R.P. Hewitt (USA)

7. A review on the feeding conditions of the baleen whales in the Southern Ocean

   and unpublished data since 1946. Past geographical distributions of the krill in the whales stomach ... revealed that the frequency occurrence by krill size showed that the large krill(>50mm) occurs more ... finally small krill (Author(s):  A. Kawamura (Japan) Title:  A review on the feeding conditions of the ...

   Meeting Document : WG-KRILL-93/16 : Автор(ы): A. Kawamura (Japan)

8. Distribution of salps near the South Shetland Islands; their ecological significance in the area

   krill biomass in the area. Two species; Salpa thompsoni and Ihlea racovitzai were found, and the former ... was dominant. Horizontal distribution of salps and krill did not overlap. Krill occurred abundantly at ...

   Meeting Document : WG-KRILL-93/17 : Автор(ы): J. Nishikawa, M. Naganobu, T. Ichii and K. Kawaguchi (Japan)

9. Biological acoustic survey in the marginal ice edge zone of the Bellingshausen Sea

   of krill (Euphausia superba) distribution and biomass in the marginal ice edge zone. Krill biomass ... . Some calculations are presented to show the potential impact of krill on the flux of carbon in the area ...

   Meeting Document : WG-Krill-94/32 : Автор(ы): A.W.A. Murray, J.L. Watkins and D.G. Bone (United Kingdom)

10. Bias in acoustic biomass estimates of Euphausia superba Dana to diel vertical migration

    Abstract:  The diel vertical migration of Antarctic krill (Euphausia superba) can greatly bias the ... centered on a large krill swarm to the west of Seal Island. Average krill volume densities were calculated ...

    Meeting Document : WG-KRILL-93/48 : Автор(ы): D.A. Demer and R.P. Hewitt (USA)

Страницы