Результаты поиска

1. Change of sex ratio of krill (Euphausia superba) from austral early summer to midsummer in 1983/84 in the vicinity of Prydz Bay, Antarctica

   Abstract:  In this present report the change of the Antarctic krill distribution pattern from ... December 1983 to January/February 1984 in the vicinity of Prydz Bay was analysed. The results showed the ... remarkable change of sex ratio and coefficient of fatness between the early summer and the midsummer. The ... waters indicating the high ratios of female krill with the high coefficient of fatness were considered to ...

   Meeting Document : WG-Krill-94/30 : Автор(ы): M. Naganobu and S. Kawaguchi (Japan)

2. On the problem of Soviet krill fishery allocation and intensity in the area of Elephant Island in the season of 1988-1989

   . Though the catch of the USSR in the above-mentioned season reached maximum, the total fishery intensity ... for the last 9 seasons was low and only 1 standard vessel operated in the area during 40% of the ... period. The highest catch per-unit-of-effort was observed in January (7.7 t per hour of trawling in ... average), and the lowest in November (3.5 t per hour of trawling in average). Fisheries tacktics follows ...

   Meeting Document : WG-CEMP-92/30 : Автор(ы): V.A. Sushin and A.S. Myskov (Russian Federation)

3. Variability of krill fishery operations in Subarea 48.2 in relation to fishing methods: spatial–temporal distribution of CPUE and of fishing efforts

   values of standardized CPUE indices in the Subarea 48.2 for the last 25 years. The paper provides the ... analysis of spatial- temporal variability of krill fishery based on CPUE trends, trawling duration, catch ... Subarea 48.2 is results of the influence of changing environment. The temporal pattern of fishing ... ; significant monthly and inter-annual variability of fishery performance in relation to fishing methods as well ...

   Meeting Document : WG-EMM-14/22 : Автор(ы): S. Kasatkina (Russia)

4. Description of the tagging process and the development of a cradle for optimum landing and measuring of large fish followed by the Spanish F/V Tronio

   Division 58.4.1 where the latter area required a tag rate of five fish per ton greenweight caught and also ... where the overall size of the fish exceeds 115cm. The tagging station on the FV Tronio is on the upper ... station and to operate the cradle over the side for landing larger fish. To optimise the use of the cradle ... a series of modifications were trialed to optimize the handling of the cradle, achieve rapid ...

   Meeting Document : WG-FSA-18/48 Rev. 1 : Автор(ы): R. Sarralde, C. Heinecken and P. Lafite

5. Outline of a research program to investigate the abundance, abundance trends and stock structure of large whales in the Indo-Pacific region of the Antarctic, including a survey plan for the 2019/20 austral summer season

   of a new non-lethal research program on whales and the ecosystem in the Indo-Pacific region of the ... objectives are i) the study of the abundance and abundance trends of Antarctic minke and other large whale ... species, and ii) the study of the distribution, movement and stock structure of Antarctic minke and other ... two specialized vessels, during a tentative period of eight austral summer seasons. Analyses related ...

   Meeting Document : WG-EMM-2019/68 : Автор(ы): Delegation of Japan

6. Avoidance of incidental mortality of seabirds and the implementation of Conservation Measure 169/XVII in Statistical Subarea 88.1 in the 1998/99 season

   Dissostichus spp. in Sub-area 88.1. Daylight setting was allowed south of 65°S in Sub-area 88.1 under special ... and rigorous monitoring of line sink rates. In the trials, two autoline vessels set weighted longlines ... were used to record the actual sink rate achieved on 30% of all sets. For all sets combined the average ... sink rate achieved was greater than the minimum required standard of 0.3 m/sec (mean = 0.37 m/sec, 1 ...

   Meeting Document : WG-FSA-99/35 : Автор(ы): J. Molloy and N. Smith (New Zealand)

7. Definition of age characteristics of Antarctic toothfish (Dissostichus mawsoni) from the Indian Ocean sector of the Antarctic region

   Abstract:  For the determination of the age of Dissostichus mawsoni used otoliths and scales. All ... samples were collected in the Indian Ocean sector of the Southern Ocean. Methods are described. Otoliths ... well in the sections of otoliths as certain groups of the annual rings. Author(s):  L. Pshenichnov, I ... . Slypko and K. Vyshniakova (Ukraine) Title:  Definition of age characteristics of Antarctic toothfish ...

   Meeting Document : WG-FSA-10/13 : Автор(ы): L. Pshenichnov, I. Slypko and K. Vyshniakova (Ukraine)

8. Cross-sectional structure and validation of the timing of annulus formation in otoliths of the Antarctic fish Notothenia coriiceps Richardson (Nototheniidae)

   Abstract:  To validate the timing of annuli in otoliths of immature Notothenia coriiceps ... Richardson. a time-series of samples were taken over a complete year. Light and scanning electron microscopy ... (SEM) techniques were used to examine the structure of sectioned otoliths. Six growth regions were ... identified in the otolith sections and micro-increments were also evident. The timing of growth and annual ...

   Meeting Document : WG-FSA-93/6 Rev. 1 : Автор(ы): J.R. Ashford and M.G. White (United Kingdom)

9. A review of the energetic density of zooplankton and nekton species of the Southern Ocean

   capacity of marine ecosystems to support stocks of living resources. This paper provides a summary of a ... review on currently available Southern Ocean energetic density data. This review is a result of the ... Southern Ocean Diet and Energetics Database, an initiative of the SCAR Expert on Group Birds and Marine ... on the diet and energetics of Southern Ocean species is collected to form a centralised database ...

   Meeting Document : WG-EMM-18/P17 : Автор(ы): F.L. Schaafsma, Y. Cherel, H. Flores, J.A. van Franeker, M.A. Lea, B. Raymond and A.P. van de Putte

10. Description of the most important species of finfish and cephalopods in diet of Antarctic toothfish (Dissostichus mawsoni Norman, 1937) (Perciformes, Nototheniidae), in the Amundsen Sea in 2006–2007

    Abstract:  Feeding of Antarctic toothfish Dissostichus mawsoni was studied in new fishing ground ... for this species in the Pacific sector of Antarctic: Amundsen Sea (Subarea 88.2). In terms of ... coatsi) and other species. Cephalopod beaks were quite abundant in the stomachs of toothfish. These beaks ... of distribution and ecology of species prayed by Antarctic toothfish shows that D. mawsoni apparently ...

    Meeting Document : WG-FSA-07/50 : Автор(ы): A.F. Petrov and J.A. Filippova (Russia)

Страницы