Résultats de la recherche
-
A revised assessment of the impact of the krill fishery on penguins in the South Shetlands
Abstract: This paper is a revision of the assessment of the competition between the Japanese ... slope and shelf to the north of either Livingston or Elephant Islands. In contrast, main foraging areas ... of penguins are considered to be formed in areas to the north of King George, Nelson and Robert ... foraging areas is resulted from that large colonies of the dominant penguin (chinstrap penguins, Pygoscelis ...
Meeting Document : WG-Joint-94/17 : Auteur(s): T. Ichii, M. Naganobu and T. Ogishima (Japan)
-
Plan of research program of the Ukraine in Subarea 48.2 in 2016 (second season)
accordance with the recommendations of CCAMLR-XXXIII. The certain number of the following bottom long line ... the Ukrainian flagged FV SIMEIZ. The data collected in first year of the research showed the ... possibility of demarcation of investigated area on two blocks- Northern and Southern by the Dissostichus spp ... . habitat. Proposed to change the design of the research survey to reach the purpose of 3-years ...
Meeting Document : WG-SAM-15/40 : Auteur(s): Delegation of Ukraine
-
PRELIMINARY RESULTS OF THE EXPERIMENT ON DEFINITION OF ANTARCTIC KRILL MORTALITY RATE IN FISHERY
Abstract: Two successful experiments on definition of Antarctic krill mortality have been carried ... . Approximately 230 to 130 kg of krill are percolated and punched through per an hour of trawling if the average ... catch per an hour of trawling is about 8 tons and towing speed is 2.6-2.7 knots. The key parameters of ... trawling which influence the value of the Antarctic krill mortality rate are: the trawl configuration and ...
Meeting Document : WG-EMM-11/15 : Auteur(s): L. Pshenichnov and K. Vyshniakova (Ukraine)
-
Interannual hydroclimate fluctuations of the Atlantic part of the Antarctic since 1970 to 2000
Abstract: Late in 1999 and early in 2000 there was observed a significant shifting of Falkland ... Current core towards the shelf and abnormally large number of icebergs on the South Georgia Island shelf ... . In this connection, retrospective hydrometeorological data on the areas of South-West Atlantic ... Antarctic were examined from 1970 to 2000 March. The analysis of atmospheric pressure average monthly fields ...
Meeting Document : WG-EMM-00/35 : Auteur(s): G. Chernega, I. Polischuk and P. Chernyshkov (Russia)
-
INCOMPLETE SEARCH EFFORT AS A POTENTIAL SOURCE OF BIAS IN BROAD-SCALE ESTIMATES OF PENGUIN ABUNDANCE DERIVED FROM PUBLISHED COUNT DATA: A CASE STUDY FOR ADÉLIE PENGUINS IN EAST ANTARCTICA
m2 and within 500 m of the ocean) in the Australian Antarctic Territory (AAT) was mapped using a GIS ... , and the literature reviewed for evidence of the mapped habitat being searched for occupation by ... breeding Adélie penguins. The total area of potential breeding habitat was estimated to be close to 700 km2 ... . Definitive or reasonably strong evidence of search effort was found for 63% of all potential habitat sites ...
Meeting Document : WG-EMM-PSW-08/13 : Auteur(s): C. Southwell, D. Smith and A. Bender (Australia)
-
A history of the acquisition and analysis of sea-ice data by CCAMLR
the early years of development of the ecosystem monitoring program sea ice data, especially derived ... from satellite images, was recognised as an important source of information for interpreting changes in ... monitored predator parameters. Standard methods for collection of environmental parameters were agreed in ... source of data, digital images produced by the US National Snow and Ice Data Centre, with a relatively ...
Meeting Document : WG-EMM-96/15 : Auteur(s): Agnew, D.J.
-
A comparison of geostatistical and random sample survey analyses of Antarctic krill acoustic data
Abstract: Data from the acoustic surveys of MV SA "Aghulas" and FRV "Walter Herwig ... geostatistical methods. Estimates of mean density (g m-2) of krill and their variances are compared with ... sampling theory. A further high-resolution geostatistical analysis of the MV SA "Aghulas" (ping ... -by-ping) data set of the density of each individual aggregation is also presented. These analyses ...
Meeting Document : WG-EMM-95/76 : Auteur(s): Murray, A.W.A.
-
Population assessment of Patagonian toothfish in the north of Subarea 48.4 – 2010 update
Abstract: The target tagging rate of 5 fish per tonne was exceeded by both vessels, with 232 D ... . eleginoides tag recaptures in 2009/10, a total of 72 in all seasons; The length-frequency of 2009/10 captures ... is consistent with the theory that the bulk of the biomass is dominated by a small number of cohorts ... currently assumed for the 48.3 population CASAL estimates of D. eleginoides population size in the North of ...
Meeting Document : WG-FSA-10/39 : Auteur(s): J. Roberts and D. Agnew (UK)
-
Preliminary results of age determination of the Dissostichus spp. from the longline catches in 48.2 Subarea (2015, SIMIIZ)
Abstract: Age determination of the Patagonian (Dissostichus eleginoides) and Antarctic toothfish ... the Ukrainian vessel “Simeiz” in the Northern part of Weddell Sea (statistical Subarea 48.2) in March ... 2015. 124 otolith pairs of Dissostichus mawsoni and 87 otolith pairs of Dissostichus eleginoides were ... sampled; one otolith from each pair was used for age determination. Preliminary results of age ...
Meeting Document : WG-FSA-15/46 : Auteur(s): Delegation of Ukraine
-
Perfluorinated compounds in muscle tissues of Antarctic toothfish in Division 58.4.1 and 58.4.2 of Antarctic Sea
Abstract: We measured concentrations of 15 perfluorinated compounds (PFCs) in muscle tissues of ... Antarctic toothfish (n=113), and investigated accumulation patterns of PFCs in female and male muscles. The ... ng/g ww of median concentration. The main compounds among PFCs were perfluoro-n-hexanoic acid and ... and female. The levels of PFCs in the present study are comparable to those reported in 31 fish ...
Meeting Document : WG-FSA-16/07 : Auteur(s): Delegation of the Republic of Korea