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1. Short note: time series of Drake Passage Oscillation Index (DPOI) from 1952 to 1988

   hypothesized environmental factors; strength of westerly winds (westerlies) determined from sea-level pressure ... series of DPOI using historical data. We searched the historical data and found the time series since the ... 1950s until 1988 at the Web sites of the Carbon Dioxide Information Analysis Centre for Rio Gallegos and ... of DPOI from 1952 to 1988 at this stage. Time series since 1988 will be soon calculated after ...

   Meeting Document : WG-EMM-02/44 : Автор(ы): M. Naganobu and K. Kutsuwada (Japan)

2. IN SITU MEASUREMENTS OF TILT ANGLE DISTRIBUTION AND TARGET STRENGTH IN ANTARCTIC KRILL (EUPHAUSIA SUPERBA)

   Abstract:  Knowledge of the scattering properties of Antarctic krill (Euphausia superba) is ... crucial for biomass estimates of the species, but in situ investigations regarding this are still very ... scarce. We conducted a field study in the Southern Ocean where one of the objectives was to acquire data ... on orientation angles and target strength of Antarctic krill. The main investigations were done off ...

   Meeting Document : WG-EMM-08/29 : Автор(ы): G. Skaret, S.A. Iversen, T. Knutsen, R.J. Korneliussen, E. Ona, R. Pedersen, A. Totland, T. Torkelsen (Norway) and X. Zhao (China)

3. A method for preparing large numbers of otolith sections for viewing by scanning electron microscope

   Abstract:  In an investigation of the age structure of a population of Notothenia coriiceps ... Richardson at the South Orkney Islands, Antarctica, the microstructure of otoliths was examined. Progress is ... reported on a method used for processing large numbers of otoliths using a scanning electron microscope ... facilitate present methods of ageing fish populations, especially for fishery work in the Antarctic where ...

   Meeting Document : WG-FSA-93/07 : Автор(ы): J.R. Ashford, K. Robinson and M.G. White (United Kingdom)

4. Long-term change in zooplankton communities of the Southern Ocean between 1997 and 2018: implications for fisheries and ecosystems

   Abstract:  We provide an analysis of zooplankton distributions in the circumpolar Southern Ocean ... productivity, sea-surface temperature (SST), mixed layer depth, sea ice and the spatial gradient of SST (as an ... indicator of ocean fronts). Boosted Regression Tree models were used to investigate relationships between ... the abundances of key groups of zooplankton, occurrence of characteristic zooplankton communities, and ...

   Meeting Document : WG-EMM-2019/66 : Автор(ы): M.H. Pinkerton, M. Decima, J. Kitchener, K. Takahashi, K. Robinson, R. Stewart and G.W. Hosie

5. Short note on time series of Drake Passage Oscillation Index (DPOI) and its influence on environmental variability

   Abstract:  An assessment of the environmental processes influencing variability in the recruitment ... and density of Antarctic krill (Euphausia superba DANA) is important as variability in krill stocks ... krill recruitment and density in the Antarctic Peninsula area with an environmental factor; strength of ... , between Rio Gallegos, Argentina, and Base Esperanza, at the tip of the Antarctic Peninsula during 1982 ...

   Meeting Document : WG-EMM-07/14 : Автор(ы): M. Naganobu and K. Kutsuwada (Japan)

6. Interannual variation in the summer diet of Adélie penguin (Pygoscelis adeliae) at Edmonson Point

   Abstract:  Diet sampling of Adélie penguins (Pygoscelis adeliae) was carried out at two colonies ... , in the Ross Sea, Antarctica, to study the feeding ecology of this species for the Commission for the ... Conservation of Antarctic Marine Living Resources (CCAMLR) Ecosystem Monitoring Program. The study took place ... composition of diet varied between locations: mean weight of food and krill content were generally higher at ...

   Meeting Document : WG-EMM-04/38 : Автор(ы): S. Olmastroni, F. Pezzo, I. Bisogno and S. Focardi (Italy)

7. Trends in breeding numbers and survival of black-browed (Thalassarche melanophrys) and grey-headed albatrosses (T. chrysostoma) breeding on Macquarie Island

   are globally threatened seabirds that breed on remote subantarctic islands. Population trends of black ... calculated for both species over similar time frames. Breeding numbers and survival rates of black-browed and ... conclusive evidence of survival varying over time and it is unlikely that these populations have been ... subantarctic populations of these species and may be attributed to their foraging ranges not overlapping ...

   Meeting Document : WG-FSA-04/48 : Автор(ы): A. Terauds, R. Gales and R. Alderman (Australia)

8. Stock assessment of D. eleginoides in Subarea 48.3 using dynamic production models

   in subarea 48.3. This type of the models differ from the models currently used by CCAMLR Working ... Schaefer and Fox production functions) were used: total yield for a series of years and abundance index ... estimates by years of fishing. Both models showed that the D. eleginoides stock status at the initial period ... of intensive fishery was at the level of 22-24 thousand tons. In 1989-1990 stock size increased (to ...

   Meeting Document : WG-FSA-02/78 : Автор(ы): P.S. Gasiukov and R.S. Dorovskich (Russia)

9. Age, growth and size at sexual maturity of Macrourus carinatus from the CCAMLR fisheries in division 58.5.2

   Abstract:  Estimates of age and growth were determined from 156 Macrourus carinatus otolith ... 1993. The estimated range of ages was 4 – 25 years. von Bertalanffy growth parameters were calculated ... for both sexes combined, resulting in values of: L8 = 635 mm, K = 0.088 and t0 =-1.8. The size at ... sexual maturity of M. carinatus was determined from 162 specimens collected during commercial fishing ...

   Meeting Document : WG-FSA-02/48 : Автор(ы): E.M. van Wijk, R. Williams and A.J. Constable (Australia)

10. Distribution of salps near the South Shetland Islands during austral summer, 1990/1991 with special reference to krill distribution

    Abstract:  Distribution and biomass of salps and Antarctic krill (Euphausia superba) were ... was lower than that of E. superba. Two species of salps; Salpa thompsoni and Ihlea racovitzai were ... found, and the former was dominant numerically. Spatial distribution and generation composition of these ... two species was different. Spatial distributions of salps and E. superba did not overlap particularly ...

    Meeting Document : WG-EMM-95/54 : Автор(ы): Terazaki, M., Ichii, T., Kawaguchi, K., Nishikawa, J., Ishii, H., Naganobu, M.

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