Search results
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Among-year variation in growth of Antarctic krill Euphausia superba based on length-frequency data
the Southern Ocean over a span of 19 yr to document among-year variation in krill growth during the austral ... estimates of among-year variation in krill growth. We estimate very high among-year variation in growth ... (annual estimates for a 30 mm krill in the Elephant Island region ranged from 0.00 to0.17 mm d −1; mean ... = 0.073, among-year coefficient of variation ≈ 0.8). We correlated growth rate variation to estimates ...
Meeting Document : WG-EMM-13/P01 : Author(s): A.O. Shelton, D. Kinzey, C. Reiss, S. Munch, G. Watters and M. Mangel (USA)
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Influence of sampling protocol on diet determination of gentoo penguins, Pygoscelis papua and Antarctic fur seals, Arctocephalus gazella
Abstract: The influence of two sampling protocols on diet determination of two marine predators ... . The collection of diet samples on three occasions over a two week period was compared with collecting all samples ... The influence of two sampling protocols on diet determination of two marine predators, the Gentoo ... of diet samples on three occasions over a two week period was compared with collecting all samples during ...
Meeting Document : WG-EMM-99/29 : Author(s): S.D. Berrow, R.I. Taylor and A. Murray (United Kingdom)
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Preliminary stock assessment of Rajiformes in statistical Subarea 48.3
are mostly one species, Amblyraja georgiana, and the Petersen estimation indicates that the stock ... are mostly one species, Amblyraja georgiana, and the Petersen estimation indicates that the stock ...
Meeting Document : WG-FSA-14/48 : Author(s): M. Soeffker, V. Laptikhovsky, J. Ellis and C. Darby (United Kingdom)
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Update of analysis on sea-ice concentration of southern part of 48.6 and 58.4.2 for the new research block on expected spawning ground of TOA
. This research block is hypothesized as one of spawning grounds for TOA by Taki (WG-FSA-16/32 Rev. 1) and hence ... . This research block is hypothesized as one of spawning grounds for TOA by Taki (WG-FSA-16/32 Rev. 1) and hence ...
Meeting Document : WG-SAM-17/10 : Author(s): T. Namba, T. Ichii and T. Okuda
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Preliminary estimation of ray by-catch in the longline fishery in Subarea 48.3
independent of vessel records of landed and discarded rays. For the one vessel that we have good species ... independent of vessel records of landed and discarded rays. For the one vessel that we have good species ...
Meeting Document : WG-FSA-02/55 : Author(s): D.J. Agnew, J. Pearce and M. Endicott (United Kingdom)
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On the catchability of bottom trawl in relation to icefish (C. gunnari)
have been used when icefish bottom surveying. An analysis of total catchability and a differential one ... used when icefish bottom surveying. An analysis of total catchability and a differential one ...
Meeting Document : WG-FSA-SAM-04/11 : Author(s): Kasatkina, S.M., Ivanova, V.F.
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Censuses in the northernmost colony of Emperor penguin (Aptenodytes forsteri) in the tip of the Antarctic Peninsula at Snow Hill Island, Weddell Sea, Antarctica
throughout the Antarctic seasonal pack ice zone. One of the last colonies of emperors penguins discovered ... the Antarctic seasonal pack ice zone. One of the last colonies of emperors penguins discovered is situated ...
Meeting Document : WG-EMM-14/56 : Author(s): M. Libertelli and N. Coria (Argentina)
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Science supporting the joint New Zealand–United States proposal for the establishment of a marine protected area in the Ross Sea Region
in an Appendix) illustrates the distributions of animals and ecosystem process areas in relation ... catches taken by the longline fishery for Antarctic toothfish. About 20% of the historical catch taken ... in an Appendix) illustrates the distributions of animals and ecosystem process areas in relation ... to redistribute catches taken by the longline fishery for Antarctic toothfish. About 20% of the historical ...
Meeting Document : SC-CAMLR-IM-I/08 : Author(s): Delegations of the USA and New Zealand
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Krill length and age at maturity
to calculate length and age at maturity for the Antarctic krill Euphausia superba. L50 values of 34.62 to 35.90 ... are identical for krill. Comparisons with length at age data show that females mature in the third year ... of the life cycle (age class 2 +), while males reach maturity in the fourth year as age class 3 +. Both sexes ... length and age at maturity for the Antarctic krill Euphausia superba. L50 values of 34.62 to 35.90 mm ...
Meeting Document : WG-KRILL-93/40 : Author(s): V. Siegel (Germany) and V. Loeb (USA)
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Acoustic estimates of krill density at South Georgia, December/January 1998/99
Abstract: Dual frequency (38 and 120 kHz) acoustic data from grid surveys in two boxes ... of the range observed over the past two decades, but not abnonnally low, and comprised almost entirely of large ... Dual frequency (38 and 120 kHz) acoustic data from grid surveys in two boxes to the north-west ... the past two decades, but not abnonnally low, and comprised almost entirely of large (>50 mm) adult krill. ...
Meeting Document : WG-EMM-99/20 : Author(s): A.S. Brierley and C. Goss (United Kingdom)