Search results
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The Role of Fish as Predators of Krill (Euphausia superba) and Other Pelagic Resources in the Southern Ocean
hydro-acoustic biomass estimates conducted in the late 1980’s and the lack of quantitative food ... consumption data in some abundant myctophid species. Major shortcomings of the consumption estimates of ... quantitative winter food studies. However, it is evident from this review that the importance of krill in fish ... diets varies with time and location, and with the suite of prey types available in different regions in ...
Meeting Document : CCAMLR-IWC-WS-08/09 : Author(s): Collins, M.A., Williams, R., Agnew, D.J., Kock, K.-H., Belchier, M., Shust, K.V., Welsford, D., Hanchet, S., Pshenichnov, L., Barrera-Oro, E.
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Characterisation of the Antarctic polar frontal zone to the north of South Georgia in summer 1994
the northern edge of the Antarctic Circumpolar Current (ACC). In a number of areas the position of the ... also been implicated in the movement and retention of various associated mesoscale features. In this ... but that the PF was essentially in the same position over the southern edge of the Maurice Ewing Bank ... were present to the north of the study area. Immediately to the north of South Georgia, water in the ...
Meeting Document : WG-EMM-97/40 : Author(s): Brandon, M.A., Trathan, P.N., Murphy, E.J.
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ADDRESSING UNCERTAINTY OVER THE IMPORTANCE OF ANTARCTIC TOOTHFISH AS PREY OF SEALS AND WHALES IN THE SOUTHERN ROSS SEA: A REVIEW
(Dissostichus mawsoni) as prey of top predators in the Ross Sea. We reviewed the literature to assess the ... estimated that the non-breeding portion of the seal population in McMurdo Sound, during spring and summer ... abundance of toothfish in McMurdo Sound appears already to be leading to a decline in the number of foraging ... will lead to dramatic changes in the populations of charismatic megafauna, particularly the seals ...
Meeting Document : WG-EMM-08/22 : Author(s): D. Ainley and D. Siniff (USA)
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Precautionary spatial protection to facilitate the scientific study of habitats and communities under ice shelves in the context of recent, rapid, regional climate change
collapse; overall, 87% of the Peninsula’s glaciers have retreated in recent decades. Ice shelf collapse ... will lead to the loss of existing marine habitats and the creation of new habitats. In general, fauna ... the possible interactions and the need to study these in the absence of any other human induced ... henceforth remain fixed, even if the ice shelves recede or collapse in the future. Designation of areas under ...
Meeting Document : WG-EMM-12/34 : Author(s): P.N Trathan, S.M. Grant (United Kingdom), V. Siegel and K.-H. Kock (Germany)
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Demographic studies of Antarctic krill Euphausia superba Dana in the Cooperation and Cosmonaut Seas (Indian sector of the Southern Ocean)
Abstract: The reproductive state and size composition of Euphausia superba collected in the ... mortality rates. The duration of the life cycle of E.superba exceeded 5 years in the Cosmonaut Sea and 6 ... researchers in the Prydz Bay region for 1981-1985. In mid summer, E.superba of age 2+ to 4+ were predominant ... in all hauls made south of the Antarctic Divergence, while north of the Divergence the krill stock ...
Meeting Document : WG-Krill-94/16 : Author(s): E.A. Pakhomov (Ukraine)
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The winter distribution of Adélie and chinstrap penguins from two breeding colonies in the South Shetland Islands of Antarctica
signal was lost just to the west of the South Sandwich Island group in late July, approximately 1300 km ... chinstrap penguins from two breeding colonies in the South Shetland Islands of Antarctica Approval ... Abstract: Satellite telemetry was used to determine the winter movements and distributions of ... five chinstrap and six Adélie penguins from two breeding colonies in the South Shetland Islands ...
Meeting Document : WG-EMM-02/55 : Author(s): S.G. Trivelpiece and W.Z. Trivelpiece (USA)
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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 ... highest since 1992 when the effect of good recruitment from spawning in 1991 was observed. The abundance ... , R.P., Loeb, V. Title: Distribution, biomass and abundance of Antarctic krill in the vicinity of ...
Meeting Document : WG-EMM-96/23 : Author(s): Demer, D.A., Hewitt, R.P., Loeb, V.
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The importance of sea ice association of Antarctic krill for transport and retention in the South Orkneys region: a modelling study
the local ecosystem dynamics in this key region requires greater understanding of the extent to which ... regional and local transport pathways to and in the South Orkneys region, and the residence time of krill ... on the South Orkney plateau. We found that including sea ice-associated behaviour of krill in the ... better resolve the connectivity of krill populations in CCAMLR Area 48. Author(s): S.E. Thorpe, E.F ...
Meeting Document : WG-EMM-2019/21 : Author(s): S.E. Thorpe, E.F. Young, E.J. Murphy and A.H.H. Renner
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COMPARISON OF THE BIOMASS OF ANTARCTIC KRILL, (EUPHAUSIA SUPERBA), AROUND THE SOUTH SHETLAND AND SOUTH ORKNEY ISLANDS IN THREE YEARS: 1999, 2000 AND 2008
distributions of krill between Elephant Island and the South Orkney Islands were similar. The similarity in ... using the traditional Jolly-Hampton (1991) methodology, and represent the first estimate of biomass in ... Abstract: Using a combination of techniques, we examine data from three cruises in 1999, 2000 and ... 2008 to calculate the biomass and demographic characteristics of Antarctic krill (Euphausia superba ...
Meeting Document : WG-EMM-08/26 : Author(s): C. Reiss and A. Cossio (USA)
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Revised proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2016 and 2017
estimating the relative abundance of sub-adult (<110 cm TL) toothfish in the core strata (A, B, C) in ... Terra Nova Bay in 2017 to match the timing and location of the sea-ice based work. Survey timing and ... methods will remain the same as in previous years, and the number of sets will be retained at 45 sets for ... time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea ...
Meeting Document : WG-FSA-15/34 : Author(s): S.M. Hanchet, S.J. Parker, S. Mormede and R.J.C. Currey (New Zealand)