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Dynamics of Notothenia rossii rossii size-age structure on the Kerguelen Islands shelf
. In May-June 1991 the mean length was 59.2 cm, mean age was 7.4 years; some 70% of catch consisted of ... Islands shelf in the period from 1970 to 1991, dynamics of size- age structure of marbled rockcod ... used to characterise the age composition. It was determined that in the initial years of exploitation ... a result of fisheries, the share of the fish spawning for the first time increased considerably in ...
Meeting Document : WG-FSA-94/04 : Автор(ы): P.B. Tankevich (Ukraine)
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The migration patterns of Electrona carlsbergi (Tåning, 1932)
component for E. carlsbergi, is undergoing rapid development. In various areas of the SPFZ and in all ... of age, indicating dominance by a single cohort. Moreover, a very similar size composition in the ... specimens in the Subantarctic zone, classified as a breeding area, decreases to 20-40%, while the number of ... mature specimens 8.5-11 cm in length and 3-5 years old increases. Based on the dynamic processes of the ...
Meeting Document : WG-FSA-93/18 : Автор(ы): A.N. Kozlov (Russia)
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The breeding biology and distribution of Adelie penguins: adaptations to environmental variability
Research (LTER) study of the effects of environmental variability on animal populations in the Antarctic ... of Adelie penguins in the Southern Ocean are variability in sea ice cover, ocean circulation patterns ... concluded that Adelie penguins have discrete subpopulations in the northeastern and southwestern regions of ... each is within several hundred kilometers of predictable pack ice areas in the Weddell and ...
Meeting Document : WG-EMM-96/58 : Автор(ы): Fraser, W.R., Trivelpiece, W.Z.
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Diet of grey-headed albatrosses at the Diego Ramírez Islands, Chile: ecological implications
. The squid Martialia hyadesi predominated in the diet samples in 2001 and 2002 (89% and 81% of ... suggests that M. hyadesi plays an important role in the breeding performance of grey-headed albatrosses at ... reconstituted mass), but was absent from the 2000 samples. Reconstituted mean mass per sample in 2000 was ... Abstract: The diet of grey-headed albatrosses at Diego Ramírez, Chile, was analyzed and compared ...
Meeting Document : WG-FSA-04/12 : Автор(ы): J. Arata (Chile), G. Robertson (Australia), J. Valencia (Chile), J.C. Xavier (UK) and C.A. Moreno (Chile)
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CEMP cameras and satellite transmitters installation by Ukraine at the Galindez, Petermann, and Yalour Islands penguin colonies as a part of CEMP Fund projects
Network in Subarea 48.1' and 'Tracking the overwinter habitat use of krill dependent predators ... Abstract: In the report we inform shortly on the activity in the Ukrainian Vernadsky Antarctic ... Station area on service of CEMP cameras and installation ARGOS satellite tags in penguin colonies as part ... of the CEMP projects run by USA, Argentina, Poland and Ukraine 'Establishing a CEMP Camera ...
Meeting Document : WG-EMM-17/21 : Автор(ы): G. Milinevsky, I. Dykyy, D. Lutsenko, O. Savitsky, A. Simon, M. Telipska, V. Lytvynov and L. Pshenichnov
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Estimation of the fishery–krill–predator overlap
the level of overlap in recent years (1995-98) than estimated with either the catch in the CPD or the ... small difference in the values of the Agnew-Phegan and Schroeder indices, but had little influence on ... inter-annual trends. Increasing the level of resolution of the model, and in particular the spatial ... resolution, resulted in lower overlap between the krill fishery and the krill predators, and lower values of ...
Meeting Document : WG-EMM-99/11 : Автор(ы): Secretariat
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Evaluation of Antarctic krill biomass and distribution off the South Orkney Islands 2011-2015
high, in the range 100-300 g/m 2 based on the 120 kHz recordings, and a total estimated biomass of ca ... . 8 million tons of krill within the stratum in the peak year 2014. There were also consistently ... canyons. In 2012, and particularly in 2015, low proportions of the acoustic backscatter were allocated to ... Institute of Marine research, Norway near the South Orkney Islands since 2011. The survey has been conducted ...
Meeting Document : WG-EMM-15/54 : Автор(ы): G. Skaret, B.A. Krafft, L. Calise (Norway), J. Watkins (UK), R. Pedersen and O.R. Godø (Norway)
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Cephalopod diet of the southern elephant seal (Mirounga leonina) at King George Island, South Shetland Islands
Abstract: In the austral summer of 1995/96, 25 southern elephant seals, Mirounga leonina, were ... present in 72% of the individuals sampled (n=18). Seven species of squid and 3 of octopus were identified ... . Overall, the squid species Psychroteuthis glacialis was by far the most important prey in terms of numbers ... (77%), biomass (80.8%) and frequency of occurrence (94.4%). Next in importance in terms of mass in the ...
Meeting Document : WG-EMM-99/13 : Автор(ы): G.A. Daneri, A.R. Carlini (Argentina) and P.G.K. Rodhouse (United Kingdom)
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Diet and feeding ecology of the diving petrels Pelecanoides georgicus and P. urinatrix at South Georgia
Bird Island, South Georgia. The diet of both species was dominated by crustaceans. in particular ... crustaceans in the diet of P. georgicus. and copepods, which contributed 71 % of the biomass of crustaceans in ... the diet of P. urinatrix. Calanoides acutus was the most numerous copepod in the diet of both species ... in the diet of P. georgicus, Primo macropa, was absent from the diet of Pelecanoides urinatrix, in ...
Meeting Document : WG-EMM-97/10 : Автор(ы): Croxall, J.P., Prince, P.A., Hill, H.J., Edwards, T.M., Reid, K.
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COMPARING CEMP INDICES TO INFORM FEEDBACK MANAGEMENT OF THE ANTARCTIC KRILL FISHERY
in treatment data or minor shifts in the mean of treatment data resulted in readily identifiable ... population can be assessed by measuring trends in the difference between the observed states of a “treatment ... across space and across species. The results suggest that relatively minor changes in the rate of decline ... (probability ≥ 95%) differences in the relative behaviour of treatment and control populations over a short (5 ...
Meeting Document : WG-EMM-11/25 : Автор(ы): J.T. Hinke and G.M. Watters (USA)
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