Résultats de la recherche

1. Persistent organic pollutants in stomach contents of Adélie penguins from Edmonson Point (Victoria Land, Antarctica)

   Abstract:  Stomach contents (n=43) of Ade lie penguin (Pygoscelis adeliae) nesting at Edmonson ... revealed concentrations of polychlorinated biphenyls (PCBs), including coplanar congeners, at 1.01 ng/g wet ... wt, pp'DDE at 5.80 ng/g wet wt and and hexachlorobenzene (HCB) at 4.70 ng/g wet wt. Average ... input of these persistent organic pollutants (POPs) through diet also was evaluated. The following ...

   Meeting Document : WG-EMM-03/58 : Auteur(s): S. Corsolini, S. Olmastroni, N. Ademollo, G. Minucci and S. Focardi (Italy)

2. Results of E.L. Holmberg 1995 fish survey in Subarea 48.3

   comparison between both cruises. Of these, 20 hauls were located at less than 0.5 miles and 11 between 0.5 ... density of several species, particularly Champsocephalus gunnari at the shelf of the South Georgia Islands ... of the younger fraction (below 4 years: 99.3% at the South Georgia Islands and 93.4 % at Shag Rocks ... Abstract:  The survey comprised 48 bottom trawl hauls taken in subarea 48.3. About 80% of the ...

   Meeting Document : WG-FSA-95/35 : Auteur(s): Marschoff, E., Madirolas, A., Balestrini, C., Tossonotto, G., Gonzalez, B., Calcagno, J.

3. Tooth growth in male Antarctic fur seals (Arctocephalus gazella) from South Georgia: an indicator of long-term growth history

   died of natural causes at Bird Island. South Georgia, was quantified from measurements of annual layers ... in longitudinal sections of teeth. Mean age at death was 7∙69 ± 0∙07 years and this showed a small ... ) and increased with age at death. Changes in the growth pattern of teeth suggested that fur seals which ... Abstract:  Growth of upper canine teeth of male Antarctic fur seals (Arctocephalus gazella) which ...

   Meeting Document : WG-CEMP-93/11 : Auteur(s): I.L. Boyd and J.P. Roberts (United Kingdom)

4. Changes in the foraging range of Adélie penguins as the breeding season progresses

   season of Adélie penguins nesting at Béchervaise Island on the Mawson coast of Eastern Antarctica. A ... their breeding sites. 4. Foraging ranges at the different stages of the breeding season are consistent ... decade’s worth of satellite tracking data was loaded into geographical information systems (GIS) software ... to produce maps of where the penguins travel to feed during each of the incubation, guard, crèche and ...

   Meeting Document : WG-EMM-04/57 : Auteur(s): J. Clarke and L. Emmerson (Australia)

5. Sexual dimorphism and sexual segregation in foraging strategies of northern giant petrels Macronectes halli during incubation

   suggest that sexual segregation of foraging strategies arose from size-related dominance at carcasses ... Abstract:  Giant petrels (Macronectes spp) are the most sexually dimorphic of all seabirds. We ... used satellite-tracking and mass change during incubation to investigate the influence of sexual size ... dimorphism, in terms of the intersexual food competition hypothesis, on foraging and fasting strategies of ...

   Meeting Document : WG-FSA-99/38 : Auteur(s): J. González-Solís, J.P. Croxall and A.G. Wood (United Kingdom)

6. On the problem of icefish (Champsocephalus gunnari) vertical migration on the South Georgia shelf

   the maximum catches were available at the middle of the light hours of the day. At twilight the fish ... Abstract:  The results are presented of studying icefish vertical migration based on the data of R ... /V cruises during the seasons of 1982-83, 1983-84 and 1986-87, when this species was highly abundant ... on the South Georgia shelf. It is revealed that at day time the fish distributes near the bottom and ...

   Meeting Document : WG-FSA-91/06 : Auteur(s): J.A. Frolkina and V.I. Shlibanov (USSR)

7. Spatio–temporal dynamics in maturation and spawning of Patagonian toothfish Dissostichus eleginoides on the subantarctic Kerguelen Plateau

   histological analyses and calibration of macroscopic staging criteria. Dissostichus eleginoides at HIMI spawn ... along the west and south of the plateau around HIMI at depths of 1500–1900m. Comparison between ... both sexes. However, the magnitude of this temporal variation in age-at-maturity varied between gear ... Abstract:  This study investigated maturation and spawning of Patagonian toothfish Dissostichus ...

   Meeting Document : WG-FSA-17/P04 : Auteur(s): P. Yates, P. Ziegler, D. Welsford, J. McIvor, B. Farmer and E.Woodcock

8. Population structure of icefish (Champsocephalus gunnari) in the South Georgia area (Antarctic)

   South Georgia and at Shag Rocks are different. The length-age structure of C.gunnari groupings ... inhabiting the areas at Shag Rocks and South Georgia is characterized with the lack of fish below 11 cm in ... assume the common origin of the western and Shag Rock groupings. C.gunnari of two-three years old (at the ... length of 22-23 cm) migrate from the South Georgia area and remain at Shag Rocks. Icefish reaching 40-43 ...

   Meeting Document : WG-FSA-04/40 : Auteur(s): Zh.A. Frolkina and I.A. Trunov (Russia)

9. ANALYSIS OF VME DATA COLLECTED BY UK VESSELS FISHING IN THE ROSS SEA DURING THE 2008/09 CCAMLR SEASON

   VME Indicator Units and CPUE (bits/1000 hooks), there were insufficient data at high levels of VME ... Abstract:  Analysis of VME data collected in 2008/09 by UK vessels and national and international ... observers onboard was carried out to explore evidence of VMEs in the Ross Sea. 2008/09 data corroborated ... areas in 88.1I, E and F identified in our previous analysis of data collected by observers on UK vessels ...

   Meeting Document : WS-VME-09/05 : Auteur(s): Peatman, T., Mitchell, R.E., Pearce, J., Agnew, D.J.

10. Patterns and processes in the distribution and dynamics of Antarctic krill

    distribution and dynamics of Antarctic krill population at various spatial and temporal scales. We suggest that ... distribution patterns at various scales of observation to ascertain the plausibility of the model and identify ... Abstract:  A general framework is presented to develop, test and integrate component models of the ... models of increasing complexity be developed iteratively for variability and patchiness of krill ...

    Meeting Document : SC-CAMLR-VII/BG/20 : Auteur(s): United States of America

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