Результаты поиска

1. Status of krill target strength

   cause of bias in single-animal measurements, namely thresholding. Theoretical estimates for the target ... orientational parameters, for which there is an empirical basis. The theoretical estimates show a non-monotonic ... shortcomings. Some recent single-animal measurements of target strength for live euphausiids and euphausiid ... Abstract:  Empirical estimates for the target strength of krill are extracted from the literature ...

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

2. Revised proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2016 and 2017

   methods will remain the same as in previous years, and the number of sets will be retained at 45 sets for ... the 2016 survey, and trends in the time series, will be presented to WG-FSA for review in 2016 and ... Abstract:  A research proposal to continue the southern Ross Sea sub-adult toothfish survey for ... the next two years, 2016 and 2017, is presented. The survey will continue to focus primarily on ...

   Meeting Document : WG-FSA-15/34 : Автор(ы): S.M. Hanchet, S.J. Parker, S. Mormede and R.J.C. Currey (New Zealand)

3. Proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2016–2017

   the same as in previous years, and the number of sets will be retained at 45 sets for the core strata ... , and trends in the time series, be presented to WG-FSA for review in 2016 and that a full review be ... Abstract:  A research proposal to continue the southern Ross Sea sub-adult toothfish survey for ... the next two years, 2016–2017, is presented. The survey will continue to focus primarily on estimating ...

   Meeting Document : WG-SAM-15/45 : Автор(ы): S.M. Hanchet, S.J. Parker, S. Mormede and R.J.C. Currey (New Zealand)

4. Interannual changes in body fat condition, stomach content mass and distribution of minke whales in Antarctic Areas IV and V

   Abstract:  As an indicator of body fat condition, interannual variability in girth of minke whales ... of minke whales in Antarctic Areas IV (70°-130° E) and V (130° E-170°W) from 1989/90 to 1994/95. Of ... the six years included in the study, two were categorized as years of poor body fat condition, and ... three as years of good condition. Estimated body weight gain during the feeding season in poor years was ...

   Meeting Document : WG-EMM-97/18 : Автор(ы): Ichii, T., Nishiwaki, S., Tamura, T., Fujise, Y., Matsuoka , K.

5. Demography of Antarctic krill in the Elephant Island area (Antarctic Peninsula) during austral summer 2001

   absolute index was RI1 = 131.4 * 1000 m-3, which is among the highest values for the past 20 years. The ... Abstract:  A net sampling survey was carried out for krill in an established standard station grid ... for a successful spawning season, was G = 0.99, indicating an early initiation of the spawning season ... proportional recruitment index for the entire survey area for the 1999/2000 year class was R1 = 0.573, and the ...

   Meeting Document : WG-EMM-01/10 : Автор(ы): V. Siegel (Germany), B. Bergström (Sweden), U. Mühlenhardt-Siegel (Germany) and M. Thomasson (Sweden)

6. Is population structure of Patagonian toothfish (Dissostichus eleginoides) determined by the Antarctic Circumpolar Current?

   provide opportunities for Patagonian toothfish (Dissostichus eleginoides) to move downstream between ... population structure and richness. To test whether toothfish stocks were connected or segregated, we used an ... integrated experimental design to compare age-at-length data sampled at similar times from longline fisheries ... stocks at South Georgia and Kerguelen may be connected. Taken with the published genetic data, this ...

   Meeting Document : WG-FSA-03/84 : Автор(ы): J.R. Ashford, C.M. Jones, E. Hofmann (USA), I. Everson (United Kingdom) and G. Duhamel (France)

7. Relationship between distribution of Antarctic krill (Euphausia superba) and environmental index MTEM-200 in the Antarctic Ocean throughout the year

   oceanographic conditions have been an age-old recurrent problem and many papers have been published on the ... stable for fishing were distributed in a narrow range with steep meridional gradients between-1.0 and 1.0 ... be applied for the further analysis of seasonal and/or annual variability. Author(s):  M. Naganobu, T ... superba) and environmental index MTEM-200 in the Antarctic Ocean throughout the year Approval:  Approved ...

   Meeting Document : WG-EMM-08/32 : Автор(ы): M. Naganobu, T. Kitamura and K. Hasunuma (Japan)

8. Antarctic krill, Euphausia superba Dana, demography studies in the seas of Sodruzhestvo and Cosmonauts (Indian Ocean sector of Antarctica)

   Antarctic seas for the period from 1985 to 1990 are analyzed to form an opinion about its growth, life ... , duration of E.superba life cycle somewhat exceeds 5 years in the Sea of Cosmonauts and 6 years in the Sea ... . Bertalanffy growth curves calculated for different areas are close to that obtained by Australian researchers ... (Hosie et al., 1988) for the Prydz Bay by data for 1981-1985. Basing on long-term observations, relations ...

   Meeting Document : WG-KRILL-93/45 : Автор(ы): E.A. Pakhomov (Ukraine)

9. Broadbandwidth sound scattering and absorption from krill (Meganyctiphanes norvegica), Mysids (Praunus flexuousus and Neomysis integer) and shrimp (Crangon crangon)

   volume of the animal. Collectively, these results provide tools for improving the detection of krill and ... (Meganyctiphanes norvegica) over the acoustical bandwidth of 30 to 210 kHz and compared to similar scattering ... target strength (TTS) match the SDWBA model (Demer and Conti, 2003b) recently developed for Antarctic ... krill, indicating its validity for other euphausiids species with similar size and shape. However, the ...

   Meeting Document : WG-EMM-04/40 : Автор(ы): S.G. Conti, D.A. Demer (USA) and A.S. Brierley (United Kingdom)

10. Do the males of Dissostichus eleginoides grow faster, or only mature before females?

    concluded that the males mature for the first time at 4 years age and females at 10 years age, reaching 100 ... - were age transformed applying the age-size relationship obtained from the specific equations for each ... % maturity at 12 years age the males and 21 years age the females. Author(s):  C.A. Moreno (Chile) Title:  Do ... maturity at age and not due to the growth rate. Based on this sample of 434 females and 398 males, it is ...

    Meeting Document : WG-FSA-98/16 Rev. 1 : Автор(ы): C.A. Moreno (Chile)

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