Результаты поиска
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Effects of variability in prey abundance on reproduction and foraging in chinstrap penguins (Pygoscelis antarctica)
somewhere along the continuum between maintaining constant investment in foraging effort between years and ... , number of trips day–1, trip duration, number of dives trip–1 and dive rate) did not differ between years ...
Meeting Document : WG-EMM-06/P6 : Автор(ы): D.A. Croll, D.A. Demer, R.P. Hewitt, J.K. Jansen, M.E. Goebel and B.R. Tershy (USA)
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Review of CCAMLR activities on monitoring marine debris in the Convention Area
than 3 consecutive years (ranging from 5 to 16 years), these are: Cape Shirreff, (Livingston Island ...
Meeting Document : SC-CAMLR-XXIV/BG/13 : Автор(ы): Secretariat
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Do fish prey size affect the foraging patterns and breeding output of the Antarctic shag Phalacrocorax bransfieldensis?
Gobionotothen gibberifrons and Notothenia rossii observed in the last eighteen years around the South Shetland ... shags observed in the last twelve years at colonies monitored in that archipelago. Author(s): R. Casaux ...
Meeting Document : WG-EMM-02/4 : Автор(ы): R. Casaux and A. Baroni (Argentina)
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On influence of acoustic survey methodology improvement on krill biomass estimation. (A comparison of results of acoustic surveys based on single-frequency and double-frequency algorithms)
krill surveys have taken place for the recent twenty years. It has been attempted to determine the ... krill species identification, one may suggest that other improvements for recent twenty years could also ...
Meeting Document : WG-EMM-01/41 : Автор(ы): S.M. Kasatkina and A.P. Malyshko (Russia)
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Relationship between Antarctic krill (Euphausia superba) variability and westerly fluctuations and ozone depletion in the Antarctic Peninsula area
and the strength of westerlies during 1982–1998. Years with strong westerlies during the austral ... summer season resulted in high krill recruitment in 1987/1988, 1990/1991, and 1994/1995, while the years ... /1997. The strength of westerlies was significantly related to recruitment of 1-year-old krill (1' ... ; = 0.57) and 2-year-old krill (r = 0.69) with a level of significance of 5%. In addition, the strength of ...
Meeting Document : WG-EMM-99/52 : Автор(ы): M. Naganobu, K. Kutsuwada, Y. Sasai and T. Taguchi (Japan) and V. Siegel (Germany)
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Revision of biological and population parameters for Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a comprehensive survey of fishing grounds and recruitment areas in the region
originally estimated and that, in recent years, there has been an influx of a large number of young fish ... manner while still juvenile and with some years before becoming reproductively mature. Author(s): A.J ... the identification of Ground B as the most important area for 7 to 8 year old fish in the Heard Island ...
Meeting Document : WG-FSA-99/68 : Автор(ы): A.J. Constable, R. Williams, T. Lamb and E. van Wijk (Australia)
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REVIEW OF CCAMLR ACTIVITIES ON MONITORING MARINE DEBRIS IN THE CONVENTION AREA
Bird Island, South Georgia over the last 10 years, but only small amounts from the other sites. Plastic ... was oil. The last ten years of data show fluctuation in the occurrence of marine debris at any of the ...
Meeting Document : WG-IMAF-09/08 : Автор(ы): Secretariat
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The state of exploited fish stocks in the Atlantic sector of the Southern Ocean
first peak years 1969-71 which yielded about 500,000 tonnes in 2 seasons around South Georgia. Since ... over a period of 10 years. Stock size of C. gunnari around South Georgia is largely dependent on the ...
Meeting Document : SC-CAMLR-VIII/BG/18 : Автор(ы): Delegation of Federal Republic of Germany
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The State of Exploited Fish Stocks in the Atlantic Sector of the Southern Ocean in 1988
first peak years 1969-71 which yielded about 500,000 tonnes in 2 seasons. Since 1975/76 fishing is ... of the 1970s. Simulation studies indicate that the stock size will only double within 10 years time ...
Meeting Document : WG-FSA-88/14 : Автор(ы): K.-H. Kock and F.-W. Köster (FRG)
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Age determination of the Antarctic fishes Champsocephalus gunnari and Notothenia rossii from South Georgia
us to determine that the Champsocephalus gunnari grew 55cm in 17 years and the Notothenia rossii grew ... 55 cm in 7 years. The lack of: the large size groups for Notothenia rossii may be indicative of over ...
Meeting Document : SC-CAMLR-VI/BG/43 : Автор(ы): R. Radtke (USA)
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