Search results
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Preliminary results of the E.L. Holmberg 1994 cruise to Subareas 48.3 and 48.2
in surface water temperature of about-0.5 to-1.0 in a period of approximately 20 days was detected around ... water temperature of about -0.5 to -1.0 in a period of approximately 20 days was detected around South ...
Meeting Document : WG-FSA-94/29 : Author(s): E.R. Marschoff, B. Prenski, B. Gonzalez, C. Remaggi and C. Balestrini (Argentina)
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Seabird mortality in the longline fishery for Patagonian toothfish at the Prince Edward Islands: 1996–1997
. This paper summarizes the mortality of seabirds associated with this fishery during the year July 1996-June ... ). However, the total fishing effort is estimated, based on landings, to be between 20 and 50 million hooks ... . (4 %). Extrapolating to the total fishery suggests that between 5 000 and 20 000 birds were killed during 1996-97 ... summarizes the mortality of seabirds associated with this fishery during the year July 1996-June 1997. Data ...
Meeting Document : WG-FSA-97/51 : Author(s): Boix-Hinzen, C., Enticott, J.W., Ryan, P.G., Wanless, R., Purves, M., Nel, D.C.
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On the estimation of some demographic parameters for Adelie penguins
that such breeding may be deferred one year if conditions are poor. A Bayesian approach for estimation of the model ... be deferred one year if conditions are poor. A Bayesian approach for estimation of the model parameters is put ... of the factors of lower adult survival rates in the year of first breeding, and the possibility ... of lower adult survival rates in the year of first breeding, and the possibility that such breeding may ...
Meeting Document : WG-EMM-95/42 : Author(s): Thomson, R.B., Butterworth, D.S.
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By-catch analysis as a part of progress report for the research fishery of Dissostichus spp. in Subarea 48.6 by Japan and South Africa during 2012/13–2016/17
than 100 kg and less than 20 % of total catch. GRV and ANT are common by-catch species, which ... are caught at every research block and every year. ICX is also common by-catch species, but mainly fished ... and less than 20 % of total catch. GRV and ANT are common by-catch species, which are caught at every ... research block and every year. ICX is also common by-catch species, but mainly fished at the ice ridge ...
Meeting Document : WG-SAM-17/44 : Author(s): T. Okuda, S. Somhlaba and T. Ichii
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Cross-sectional structure and validation of the timing of annulus formation in otoliths of the Antarctic fish Notothenia coriiceps Richardson (Nototheniidae)
represent one year. Using SEM the potential errors due to light illumination artefacts and the pseudo ... to correspond, supporting the hypothesis that annuli visible by using light microscopy represent one year. Using ... Richardson. a time-series of samples were taken over a complete year. Light and scanning electron microscopy ... -series of samples were taken over a complete year. Light and scanning electron microscopy (SEM ...
Meeting Document : WG-FSA-93/6 Rev. 1 : Author(s): J.R. Ashford and M.G. White (United Kingdom)
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Results of the 2015 multi-Member longline survey for toothfish in the northern Ross Sea region (Subarea 88.2 SSRUs A–B) and proposal for 2016 operations
, size, sex ratio, and reproductive maturity status were similar to existing data from SSRU 88.1C. Age ... 88.1C. Age composition of the catch as predicted by the spatial population model was similar ... Abstract: The first year of a two-year and multi-member research survey using standardised ... The first year of a two-year and multi-member research survey using standardised longline gear ...
Meeting Document : WG-FSA-15/32 : Author(s): S.J. Parker, R.J.C. Currey (New Zealand), M. Söffker, C. Darby (United Kingdom), O. Godø (Norway) and A. Petrov (Russia)
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Temporal variability in Antarctic marine ecosystems: periodic fluctuations in the phocid seals
aspect of their biology: the age structure of crabeater seals (Lobodon carcinophagus) around ... series led the leopard seal series by about one quarter of a cycle. The crabeater series was more ... of their biology: the age structure of crabeater seals (Lobodon carcinophagus) around the Antarctic Peninsula has ... series by about one quarter of a cycle. The crabeater series was more complicated, but similarities ...
Meeting Document : WG-CEMP-91/13 : Author(s): J.W. Testa, G. Oehlert, D.G. Ainley, J.L. Bengtson, D.B. Siniff, R.M. Laws and D. Rounsevell (USA)
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Oceanic condition and zooplankton distribution/ abundance in Bransfield Strait during austral summer 1989/1990
, macrozooplankton salpa (Ihlea sp. and Salpa sp.) predominated over the entire Bransfield Strait occupying 20 ... , macrozooplankton salpa (Ihlea sp. and Salpa sp.) predominated over the entire Bransfield Strait occupying 20 ...
Meeting Document : WG-KRILL-91/14 : Author(s): S.M. Kim and M.S. Suk (Korea)
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IN SITU MEASUREMENTS OF TILT ANGLE DISTRIBUTION AND TARGET STRENGTH IN ANTARCTIC KRILL (EUPHAUSIA SUPERBA)
scarce. We conducted a field study in the Southern Ocean where one of the objectives was to acquire data ... conducted a field study in the Southern Ocean where one of the objectives was to acquire data on orientation ...
Meeting Document : WG-EMM-08/29 : Author(s): G. Skaret, S.A. Iversen, T. Knutsen, R.J. Korneliussen, E. Ona, R. Pedersen, A. Totland, T. Torkelsen (Norway) and X. Zhao (China)
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Squalus acanthias – a new species in the Antarctic ichthyofauna (Division 58.5.1)
described. Squalus acanthias is believed to be one of the most widespread shark species in the World Ocean ... . Squalus acanthias is believed to be one of the most widespread shark species in the World Ocean. The fact ...
Meeting Document : WG-FSA-96/14 : Author(s): Pshenichnov, L.K.