Resultados de la búsqueda
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The brief review of the AtlantNIRO’s investigations of living marine resources: whales, krill and fish, in the Atlantic sector of the Antarctic
vessels conducted fishery and scientific studies. Investigations on whales were commenced in 1960. There ... the new resources. Since 1960 AtlantNIRO’s contributions in the study of all three resources: whales ... Abstract: The USSR has fished in the Atlantic Sector of the Antarctic for three living marine ... resources: whales, krill and fish. In order to provide the fisheries with rational database the AtlantNIRO ...
Meeting Document : WG-EMM-04/30 : Autor(es): F. Litvinov, D. Tormosov, Zh. Frolkina (Russia)
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Entanglement of Antarctic fur seal Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 2001 winter and the 2002 breeding season
entanglements over winter and 23% during the summer. As in previous years, most individuals observed entangled ... in debris were juveniles (95% of winter and 52% of summer observations), several pups were recorded ... entangled during the pup-rearing period suggesting an increased presence of man-made debris in the waters in ... dominated the observations in winter but females dominated the summer observations, the reasons for this are ...
Meeting Document : SC-CAMLR-XXI/BG/04 : Autor(es): Delegation of the United Kingdom
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Some notes on by-catch of fishes caught by the fishery vessel Niitaka Maru in the vicinity of the South Shetland Islands (December 2000 to January 2001)
by F/V Niitaka Maru (3910t) were made from 16 December 2000 to 26 January 2001 in the vicinity of the ... South Shetland Islands. Among 103 net hauls quantitatively examined, by-catch fishes were found in 41 ... trawl catches. Lepidonotothen larseni was the most abundant in number and weight and occurred in 20.4 ... the second in abundance in number and weight respectively. Most hauls were dominated by one species ...
Meeting Document : WG-EMM-01/50 : Autor(es): T. Iwami, S. Kawaguchi and M. Naganobu (Japan)
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Some components of uncertainty in the CCAMLR 2000 acoustical survey of krill
Abstract: Quickly studied and quantified were sources of uncertainty in the CCAMLR 2000 ... acoustical estimate of krill abundance in FAO statistical area 48. The variance in system calibration was ... evaluated in relation to the effects of variant water temperature and salinity on sound speed, sound ... absorption, and beam characteristics. Uncertainty in krill target strength (TS) was estimated using a ...
Meeting Document : WG-EMM-00/49 : Autor(es): D.A. Demer (USA)
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On the state of Champsocephalus gunnari stock in Subarea 48.3 and methods of its assessment
Abstract: The unusually effective fishery on mackerel icefish (C.gunnari) in the South Georgia ... thousand tons, and the followed bottom trawl surveys by Russia and Great Britain in December 1999- February ... ) both during the period of the icefish fishery in 1980s and after its ceasing in 1990s. In all cases, a ... mm is allowable that results in selectivity and capturing of a high number of small fish ...
Meeting Document : WG-FSA-00/45 : Autor(es): K. Shust, V. Senioukov, P. Gasiukov and A. Kozlov (Russia)
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Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 1992 winter and 1992/93 pup-rearing season
Abstract: Surveys of Antarctic fur seals entangled in man-made marine debris were carried out for ... the third consecutive winter and fifth consecutive summer at Bird Island, South Georgia. In the 1992 ... males, the main element of the population seen ashore at Bird Island at this time of year. In the summer ... ) was similar to previous years. The increased incidence of entanglement in both winter and summer is ...
Meeting Document : SC-CAMLR-XII/BG/06 : Autor(es): Delegation of United Kingdom
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Preliminary results of the Polish commercial krill fishery in the Antarctic during 1990/91 season
Abstract: Four Polish commercial trawlers participated in the krill fishery in 1990/91 season on ... the fishing grounds in statistical Sub-areas 48.2 and 48.3. In total 9 333.7 tonnes of krill were ... harvested. As the fishery data were not fully analysed yet no clear trends in catch-per-unit-effort for ... (Poland) Title: Preliminary results of the Polish commercial krill fishery in the Antarctic during 1990 ...
Meeting Document : WG-KRILL-91/36 : Autor(es): I. Wójcik and R. Zaporowski (Poland)
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TOWARDS THE BALANCED STOCK ASSESSMENT OF ANTARCTIC TOOTHFISH IN THE ROSS SEA
toothfish in the Ross Sea. One of them, the CASAL model, (Dunn & Hanchet, 2007; Bull et al., 2007) is ... ) data. Besides that, some sorts of data, e.g. tagging data, are used in these models in quite different ... information was also quite different: while in TISVPA all sources of data gave rather coherent signals about ... the stock (Vaslilyev et al., 2007), in CASAL the solution was mostly supported by signals from tagging ...
Meeting Document : WG-SAM-08/08 : Autor(es): D. Vasilyev and K. Shust (Russia)
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Distribution, biomass and abundance of Antarctic krill in the vicinity of Elephant Island during the 1996 austral summer
Abstract: Results from two acoustic and net surveys conducted in the vicinity of Elephant Island ... during the 1996 austral summer indicate very good krill recruitment from spawning in 1994/5. Areas of ... than 200m. One-year old juvenile krill numerically dominated catches during the first survey in January ... during the second survey in February-March. Intermediate size krill were caught in very low numbers ...
Meeting Document : WG-EMM-96/23 : Autor(es): Demer, D.A., Hewitt, R.P., Loeb, V.
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Comparisons in diet between diurnal and overnight foraging chinstrap penguins at Seal Island
. Diet mass estimated from digested and intact stomach contents indicates that krill were predominant in ... respectively. The highest intake of fish was observed in 1993/94 when krill abundance was very low. Calorific ... ) and an overnight forager (5732 kJ) based on available input parameters. A comparison of krill in the ... diet and those in the foraging areas indicates that diurnal foragers took krill in the inshore region ...
Meeting Document : WG-EMM-96/55 : Autor(es): Hayashi, T., Ichii, T., Cameron, M.F., Miura, A., Jansen, J.K., Bengtson, J.L., Boveng, P.