Résultats de la recherche

1. Preliminary report on IWC-SO GLOBEC collaborative research in the western Antarctic Peninsula study area, March–June 2001

   Abstract:  The first three cruises in the 'year round' Southern Ocean GLOBEC series for ... participated in all three cruises (Gould LMG 01-03 USA mooring cruise, Polarstern AntXVIII5b ship and ... passive acoustic team. The most frequently recorded and abundant baleen whale species in the study area ... (ie. dense aggregations in deep pools or holes) was made on these surveys. This indicates that baleen ...

   Meeting Document : SC-CAMLR-XX/BG/29 : Auteur(s): Observer (IWC)

2. Report of the Workshop for the International Coordinated Survey in conjunction with CCAMLR-2000 Survey

   Abstract:  Vessels from Japan, Republic of Korea, Peru and the USA had participated in the conduct ... of five acoustic/oceanographic surveys from late December 1999 and to early March 2000 in conjunction ... a change in the demographic structure of the population. The smaller size modes disappear and krill ... are more sexually mature later in the summer. If the lowest estimate is treated as the result of ...

   Meeting Document : WG-EMM-01/68 : Auteur(s): Delegations of Japan, Rep. of Korea, USA and Peru

3. DEVELOPMENT OF A REGISTRY OF VULNERABLE MARINE ECOSYSTEMS IN THE CONVENTION AREA

   vulnerable marine ecosystems (VMEs) in the Convention Area for circulation to Contracting Parties and other ... relevant bodies. In addition, CM 22-07 requires the Secretariat to notify fishing vessels in the relevant ... ). The registry operates within the existing CCAMLR database infrastructure, with data being stored in ... risk areas and fine-scale rectangles for each fishery is distributed in the fishery summary reports ...

   Meeting Document : WG-FSA-09/06 : Auteur(s): Secretariat

4. ASSESSMENT MODELS FOR ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN SUBAREA 88.2 SSRU E FOR THE YEARS 2002/03 TO 2008/09

   model for Antarctic toothfish (Dissostichus mawsoni) in the SSRU 88.2E, using revised catch, catch-at ... model resulted in a higher estimate of initial biomass than the same model for 2006, but the estimated ... initial biomass was very imprecise. The selected trips data set resulted in a more precise estimate of ... initial biomass, although there was some conflict in the likelihoods of the tag recapture observations ...

   Meeting Document : WG-FSA-09/41 : Auteur(s): A. Dunn and S.M. Hanchet (New Zealand)

5. Distribution of Soviet commercial fleet at krill fishery in the South Orkneys subarea (Subarea 48.2) during 1989/90

   . Actually during the whole season fishing vessels worked in one fishing ground off the north-western edge of ... Coronation Island. Incidentally, CPUE shows regular intraseasonal variations from minimum (3.2 t/hour) in ... November to maximum (9.6 t/hour and 11.0 t/hour respectively) in February and March, and again decreases to ... fishing vessels) are likely to form outside the main area (excluding November 1989). In November the ...

   Meeting Document : WG-EMM-97/50 : Auteur(s): Sushin, V.A.

6. Report on scientific observations onboard the Chilean longliner, ‘Puerto Ballena’, in Statistical Subarea 48.3 from March to May 1996

   Patagonian toothfish (Dissostichus eleginoides) in Subarea 48.3 from March to May 1996. Details of the cruise ... -130 cm whith the proportion of females in the catch exceeding those of males in fish larger than 1 10 ... petrels were the most abundant species in the vicinity of the vessel when longlines were set. About 44 ... -catch. In addition a number of albatrosses, giant petrels and white-chinned petrels were hooked alive ...

   Meeting Document : WG-FSA-96/22 : Auteur(s): Selling, J., Kock, K.-H.

7. Temporal scales of foraging in a marine predator: implications for interpreting the distribution of prey

   success of a predator. In pelagic marine ecosystems, where prey is often patchily distributed, predators ... must be able to adapt quickly to changes in the spatial patterning of prey. Antarctic fur seals feed ... km) represented by short (5 rain) travel durations. In a study lasting 5 years, the distributions of ... prey patches at the meso-scale level. Only in one year of the study (1990/91) were there indications ...

   Meeting Document : WG-EMM-95/23 : Auteur(s): Boyd, I.L.

8. Demographic studies of Antarctic krill Euphausia superba Dana in the Cooperation and Cosmonaut Seas (Indian sector of the Southern Ocean)

   Abstract:  The reproductive state and size composition of Euphausia superba collected in the ... mortality rates. The duration of the life cycle of E.superba exceeded 5 years in the Cosmonaut Sea and 6 ... years in the Cooperation Sea. Assuming growth for only 180 days per year, growth rates ranged from 0.120 ... researchers in the Prydz Bay region for 1981-1985. In mid summer, E.superba of age 2+ to 4+ were predominant ...

   Meeting Document : WG-Krill-94/16 : Auteur(s): E.A. Pakhomov (Ukraine)

9. Monitoring variability and change in the plankton communities of the Scotia Sea through Continuous Plankton Recorder surveys

   Abstract:  The northern regions of the Scotia Sea demonstrate notable variability in environmental ... conditions, particularly in the location of the Polar Front. This has a strong influence on patterns of ... has been monitored through conducting a series of Continuous Plankton Recorder (CPR) tows in the South ... abundance being far more variable than species composition within and between tows.  In general ...

   Meeting Document : WG-EMM-16/29 : Auteur(s): G.A. Tarling, M.Z. Wootton, D.G. Johns, T.D. Jonas, E.J. Murphy and P. Ward

10. Demographic effects of extreme weather events: snow storms, breeding success, and population growth rate in a long-lived Antarctic seabird

    consequences of such events. In this study, we aimed to quantify the effects of snow storms on nest survival in ... population growth rate. We used detailed data on daily individual nest survival in a year with frequent and ... season and nearly 30% of the interannual variation in colony productivity in period 1985–2014. Snow ... also found state-dependent effects of snow storms and chicks in poor condition were more likely to die ...

    Meeting Document : WG-EMM-16/P13 : Auteur(s): S. Descamps, A. Tarroux, Ø. Varpe, N.G. Yoccoz, T. Tveraa and S.-H. Lorentsen

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