Результаты поиска

1. Predation release of Antarctic silverfish in the Ross Sea: how sensitive is the conclusion to uncertainties in the diet of Antarctic toothfish over the shelf?

   adeliae) at breeding colonies in the southern Ross Sea more than doubled from about 235 000 to more than ... contributed to the increase in Adélie penguin numbers. This paper brings together information on the biomass ... predation release hypothesis. In particular, new data from the examination of the contents of 615 Antarctic ... weight of prey) over the southern Ross Sea shelf, including in McMurdo Sound (0.4–6.4%W) and Terra Nova ...

   Meeting Document : WG-FSA-15/41 : Автор(ы): M.H. Pinkerton, P. O’B. Lyver, D.W. Stevens, J. Forman, R. Eisert and S. Mormede (New Zealand)

2. Some data on Antarctic toothfish Dissostichus mawsoni reproduction in the Ross Sea (Subarea 88.1) in the period from December 2002 to March 2003

   Abstract:  On the grounds of data analysis collected by one of the authors – Prutko V.G. in ... December, 2002-March, 2003 in Subarea 88.1, we determine Antarctic toothfish body length at maturity of 50 ... oocytes in Antarctic fish ovaries should be measured and calculated, in addition to histological ... investigations. Dynamics of gonadosomatic index in different periods and for different research areas is ...

   Meeting Document : WG-FSA-03/49 : Автор(ы): V.G. Prutko and L.A. Lisovenko (Ukraine)

3. 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)

4. Preliminary results from a krill net sampling survey in CCAMLR Area 48.1 in 1989/90 season

   Abstract:  In December 1989/January 1990 main krill concentrations along the Antarctic Peninsula ... occurred NE and SE of Elephant Island, north of the South Shetland Islands, in the central Bransfield ... Strait and in the SW shelf waters. Mean biomass was 10.1 tonnes per nautical square mile, i.e. an ... estimated stock biomass of 950,000 tonnes. The zooplankton, however, was dominated by salps in the entire ...

   Meeting Document : SC-CAMLR-IX/BG/09 Rev. 1 : Автор(ы): Delegation of EEC

5. Age and growth in length of Micromesistius australis, Norman, 1937 (Pisces, Gadidae), in the southern zone of the Argentine Sea

   australis, caught in waters of the southern Argentine Sea during the cruises made by the ships Walther ... Herwig and Shinkai Marú in agreement with the Argentine Republic, in the years 1978 and 1978/79 ... )] giving Lt in cm and t in years. For the estimation of the general equation parameters the first 15 age ... classes in males and the first 21 in females were taken into account. The theoretical Lt values ...

   Meeting Document : SC-CAMLR-V/BG/31 : Автор(ы): Delegation of Argentina

6. Annual changes in species composition and abundance of myctophid fish in the north of South Georgia (CCAMLR Subarea 48.3), Antarctica, during austral winter from 2002 to 2008

   bycatch samples collected by scientific observers onboard Japanese commercial krill fishing vessels in the ... total of 9 myctophid species were identified in the by-catch samples, among which Krefftichthys ... mesopelagic ichthyofauna in this area, though this species used to dominate in the Antarctic coastal waters ... . In contrast, P. choriodon, which is known as a temperate species, became to dominate the recent ...

   Meeting Document : WG-EMM-10/22 : Автор(ы): T. Iwami, M. Naganobu, K. Taki and M. Kiyota (Japan)

7. Results of the Spanish exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2 in the 2013/14 season

   year of the multi-year research survey in Divisions 58.4.1 and 58.4.2,  the F/V Tronio has returned to ... the same places surveyed in the 2012/13 season, as well as expanded the experience westwards to the ... that was visited for the commercial Spanish fleet along five seasons in the SSRU 58.4.1C is made ... , together with the estimation of the total Biomass in the entire SSRU using a depletion model. There have ...

   Meeting Document : WG-SAM-14/12 Rev. 1 : Автор(ы): R. Sarralde, L.J. López-Abellán and S. Barreiro (Spain)

8. Research plan for exploratory fishing for toothfish (Dissostichus spp.) in 2016/17 in Division 58.4.1 by France

   Abstract:  Exploratory fishing for toothfish (Dissostichus spp.) in Division 58.4.1 began in 2003 ... this Division. France notifies its wish to collaborate in this research fishery with the other ... participants over the coming years in order to participate in the tagging program and achieve a robust stock ... Conservation Measure 41-11. The biomass for each in the Division was estimated during WG-FSA 2015 using CPUE x ...

   Meeting Document : WG-SAM-16/01 : Автор(ы): Delegation of France

9. Contrasting population changes in sympatric penguin species in association with climate warming

   Abstract:  Climate warming and associated sea ice reductions in Antarctica have modified habitat ... demonstrate remarkable population responses to regional warming. However, inconsistencies in the direction of ... ice adapted gentoo penguins increased significantly in numbers over the last 26 years, whereas ... chinstrap and Adélie penguins both declined. These trends occurred in parallel with regional long-term ...

   Meeting Document : WG-EMM-06/P3 : Автор(ы): J. Forcada, P.N. Trathan, K. Reid, E.J. Murphy and J.P. Croxall (United Kingdom)

10. Food and feeding of two Channichthyids, Champsocephalus gunnari and Chaenocephalus aceratus, around Elephant Island and in the South Shetland Islands (Subarea 48.1) in 2001 and 2002

    Chaenocephalus aceratus, were collected in the Elephant Island – South Shetland Islands region during the AMLR ... cruise in March 2001 with RV ‘Yuzhmorgeologiya’ and ANTXIX/3 in January – February 2002 with RV ... ‘Polarstern’. C. gunnari fed almost exclusively on krill (Euphausia superba) in both years. C. aceratus fed on ... abundant fish species which were G. gibberifrons in 2001 and L. larseni and C. gunnari in 2002. Author(s ...

    Meeting Document : WG-FSA-02/73 Rev. 1 : Автор(ы): H. Flores, K.-H. Kock, S. Wilhelms (Germany) and C.D. Jones (USA)

Страницы