Résultats de la recherche

1. On the use of baited remote underwater video to study Antarctic toothfish distribution under the sea-ice: from data collection to processing

   spreadtime series of data to study the Antarctic toothfish, it is limited to areas where commercial fishing ... is permitted either by management or vessel operational constraints. The use of Baited Remote ... and Italy, from 2015 to 2018 a series of BRUV samplings have been carried out from the fast ice of ... of predictive variables, including an approach to account for bias in counting the number of ...

   Meeting Document : WG-EMM-2019/50 : Auteur(s): D. Di Blasi, S. Canese, E. Carlig, L. Ghigliotti, S.J. Parker and M. Vacchi

2. PROPOSAL FOR REVISING CONSERVATION MEASURE 21-03 (2007) NOTIFICATION OF INTENT TO PARTICIPATE IN A FISHERY FOR EUPHAUSIA SUPERBA

   Abstract:  The amount of notified catch of krill fisheries is increasing above the trigger level ... revision of Conservation Measure 21-03 (2007) Notification of intent to participate in a fishery for ... Euphausia superb. Author(s):  Delegation of Japan Title:  PROPOSAL FOR REVISING CONSERVATION MEASURE 21-03 ... (2007) NOTIFICATION OF INTENT TO PARTICIPATE IN A FISHERY FOR EUPHAUSIA SUPERBA Approval:  Approved ...

   Meeting Document : SCIC-08/04 : Auteur(s): Delegation of Japan

3. Evaluation of the krill stock in Subarea 48.3, June–August 1995

   Abstract:  On the ground of trawling of Ukrainian vessels made near the South Georgia from 16 June ... till 15 August 1995 peculiarities of krill distribution, their characteristics including time stability ... (tolerance), are examined, calculations of biomass and krill commercial concentrations values are given ... . Interannual changes in some indices of krill fishing Resources in this subarea from 1985 till 1995 undergo ...

   Meeting Document : WG-EMM-96/70 : Auteur(s): Bibik, V.A.

4. 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 : Auteur(s): M. Naganobu and K. Kutsuwada (Japan)

5. 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 : Auteur(s): G. Skaret, S.A. Iversen, T. Knutsen, R.J. Korneliussen, E. Ona, R. Pedersen, A. Totland, T. Torkelsen (Norway) and X. Zhao (China)

6. 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 : Auteur(s): J.R. Ashford, K. Robinson and M.G. White (United Kingdom)

7. 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 : Auteur(s): M.H. Pinkerton, M. Decima, J. Kitchener, K. Takahashi, K. Robinson, R. Stewart and G.W. Hosie

8. 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 : Auteur(s): M. Naganobu and K. Kutsuwada (Japan)

9. 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 : Auteur(s): S. Olmastroni, F. Pezzo, I. Bisogno and S. Focardi (Italy)

10. 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 : Auteur(s): A. Terauds, R. Gales and R. Alderman (Australia)

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