Результаты поиска

1. ASPECTS OF POPULATION STRUCTURE, DYNAMICS, AND DEMOGRAPHY OF RELEVANCE TO ABUNDANCE ESTIMATION: ADÉLIE PENGUINS

   Abstract:  Counts of Adélie penguin populations are most conveniently and most often undertaken at ... interpretation of counts made at breeding sites and the estimation of overall population abundance derived from ... proportion of each category either at the breeding site or at sea may potentially differ. Author(s):  L ... breeding sites during the breeding season. The objective of this paper is to identify and describe the ...

   Meeting Document : WG-EMM-PSW-08/09 : Автор(ы): L. Emmerson and C. Southwell (Australia)

2. Cruise report of multidisciplinary ecosystem survey in the eastern Indian sector of the Antarctic (CCAMLR Division 58.4.1) with a focus on Antarctic krill during 2018/19 season by the Japanese survey vessel, Kaiyo-maru

   predetermined and 29 targeted stations with combination of both at 3 stations). SUIT tows were carried out at 28 ... Abstract:  A multidisciplinary ecosystem survey in the eastern Indian sector of the Antarctic ... season for 53 days. The survey consisted of 2 survey periods: Leg 1 (from 15 December 2018 to January ... 2019; 24 days) and Leg 2 (from 26 January to 23 February 2019; 29 days). Leg 1 was commenced at ice ...

   Meeting Document : WG-EMM-2019/42 : Автор(ы): H. Murase, K. Abe, R. Matsukura, H. Sasaki, R. Driscoll, S. Driscoll, F. Schaafsma, M. van Regteren, Q. Yang, H. Ohshima, K. Ohshima, R. Sugioka, J. Tong, N. Yamamoto, H. Doiguchi, E. Briggs, K. Doi, D. Hirano, K. Katsumata, M. Kiuchi, Y. Ko, D. Nomura, M. Orui, H. Sato, S. Toyoda, K. Yamazaki, T. Ishihara, K. Hamabe, S. Kumagai, T. Miyashita, N. Yamada, Y. Koyama and H. Sasaki

3. Characteristics of seasonal variation in diurnal vertical migration and aggregation of Antarctic krill (Euphausia superba) in the Scotia Sea, using the Japanese fishery data

   twilight and shallowest around at evening twilight. The range of trawling depth was narrower in the certain ... Abstract:  We examined seasonal variation in CPUE (catch per volume of trawled water) and diurnal ... vertical migration of Antarctic krill (Euphausia superba) associated with the brightness categories of the ... day based upon the angles between the center of the sun and the celestial horizon on the Scotia Sea ...

   Meeting Document : WG-EMM-04/44 : Автор(ы): K. Taki, T. Hayashi and M. Naganobu (Japan)

4. Progress towards validation of ageing of Dissostichus eleginoides using otoliths

   annuli on the otoliths after the strontium mark was consistent with the time at liberty of the fish after ... techniques to analyse the daily marks at the centre of the otolith in order to pinpoint the position of the ... Abstract:  During tagging programmes for Dissostichus eleginoides at Heard and Macquarie Islands ... , fish have been treated with strontium to mark their otoliths for validation of subsequent age ...

   Meeting Document : WG-FSA-04/67 : Автор(ы): K. Krusic-Goluband R. Williams (Australia)

5. Evidence of two stocks of Champsocephalus gunnari in the South Georgia region, CCAMLR fishing Area 48.3

   Abstract:  In 1991, the 0 age-class of C. gunnari were sampled at Shag Rocks on 18 January, off ... between to 19 January to 19 February. The size- frequency of fish at Shag Rocks contained two modes of 31 ... combined samples off the coast of South Georgia were 24-63mm SL. The mean and median sizes of the fish at ... and those at South Georgia must be the result of different spawning seasons and/or egg development ...

   Meeting Document : WG-FSA-94/16 : Автор(ы): A.W. North (United Kingdom)

6. Robust characterisation of the age structure, growth and recruitment of toothfish in the Macquarie Island and Heard Island and McDonald Islands fisheries

   these fisheries. The inclusion of catch at age data is shown to substantially improve the precision of ... processing at the AAD indicates that initial set up of laboratory equipment and salaries are the main expense ... fishing industry provided funds to conduct high throughput ageing of toothfish otoliths. 5780 otoliths ... , collected during the 2000-2011 fishing seasons in Division 58.5.2 and outside the CCAMLR area at Macquarie ...

   Meeting Document : WG-FSA-12/P07 : Автор(ы): D.C. Welsford, S.G. Candy, J.J. Verdouw and J.J. Hutchins

7. Effects of different harvesting strategies on the stock of Antarctic icefish Champsocephalus gunnari around South Georgia

   fishing mortality (F0.1, Fmax, 2xFmax),- harvesting contantly at 50%F0.1 with an increase of F 3 or 6 ... years after a good recruitment,- pulse fishing at an interval of 3 years with no fishing in between;- a ... harvesting alternative. In the absence of regular recruit surveys constant fishing at F0.1 is most likely to ... be the most profitable and least risky harvesting strategy at present. The establishment of regular ...

   Meeting Document : SC-CAMLR-VIII/BG/47 : Автор(ы): Delegation of Federal Republic of Germany

8. On the problem of diurnal migrations of some fish species on the South Georgia shelf (Subarea 48.3)

   substantial variations in middle size fry of both species were found at different depth levels during 24-hour ... and within the whole water column at night. However major catches were taken within the limits of the ... Abstract:  The results of experiments on the South Georgia Shelf carried out in the period of 1986 ... to 1990 have been presented. Six (6) daily stations were occupied where vertical distribution of fry ...

   Meeting Document : WG-FSA-99/64 : Автор(ы): I.A. Trunov, J.A. Frolkina and M.P. Konstantinova (Russia)

9. Spatial and temporal variability in the fish diet of Antarctic fur seal Arctocephalus gazella in the atlantic sector of the southern ocean

   of Notothenia rossii (Richardson 1844) at South Georgia and Champsocephalus gunnari (Lönnberg 1905 ... /topography as well as variability at a range of time-scales that reflect environmental variability and ... Abstract:  The spatial and temporal variability in the fish component of the diet of Antarctic fur ... seals Arctocephalus gazella (Peters 1975) in the Atlantic sector of the Southern Ocean was examined ...

   Meeting Document : WG-EMM-06/P5 : Автор(ы): K. Reid, D. Davis, I.J. Staniland (United Kingdom)

10. Otolith microstructure of juvenile fish, the first annulus radius and pelagic stage duration of icefish Champsocephalus gunnari (Channichthyidae) in the South Georgia area

    in the first 100 days of fish life was 6?k at fish length of 4 cm. By the 200th day the daily growth ... – 3.1?k at fish length of up to 11.8 cm, by the 500th day – 2.8?k at fish length of up to 12.5 cm. The ... Abstract:  On the basis of the results of the trawl-acoustic survey in February-March 2002, the ... microstructure analysis of otoliths of juvenile icefish of 5.5-13.3 cm in length was carried out. Fish studied ...

    Meeting Document : WG-FSA-03/75 Rev. 1 : Автор(ы): L.V. Shcherbich (Russia)

Страницы