Résultats de la recherche

1. Demographic characteristics of the Adélie penguin population on Béchervaise Island after 12 years of study

   after 12 years of study Abstract / Description:  Demographic parameters (age-specific survival rates ... , fecundity levels and population numbers) were analysed for the Béchervaise Island Adélie penguin colony in ... . The population model predicted an annual population growth rate of 0.3% compared to the 1.2–1.8 ... most likely explanation for the discrepancy. As is the case for most long-lived seabird species, growth ... . An expected value for mean penguin breeding success over 20 years was also calculated. This value ... possible for the existing clutch size of the species. Initiation of breeding at an earlier age is ... 1991 and 1998 to maximise probabilities of detection (>90% of penguins that survive to 6 years of age ... were at least 4 years of age when tagged. However, age-specifi c fecundity for younger birds was ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 53–74 : Auteur(s): Clarke, J., L.M. Emmerson, A. Townsend and K.R. Kerry

2. Catch per unit effort (CPUE) data from the early years of commercail krill fishing operations in the Atlantic sector of the Antarctic

   does not occur over time for the entire area. High average CPUE were observed in the years 1975/76 and ... are presented from krill fishing operations in CCAMLR Subareas 48.1, 48.2, 48.3 (South Atlantic) for ... discussed as an indicator of krill abundance/biomass and caution is expressed in this regard. Depending on ... Paper Title:  Catch per unit effort (CPUE) data from the early years of commercail krill fishing ... and for different years (a to g). (e) Season 1984185 12 10 15 20 25 30 35 40 45 50 55 60 65 ... hours for the split-year (1 July to 30 June); (iii) mean monthly catch/hour for the split-year ... published results, however, that this year was one of the poorest krill years around South Georgia (Bonner ... Georgia). MATERIAL AND METHODS Year 1975/76 1976/77 1977/78 1978/79 1979/80 1980/81 1981/82 ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 31–50 : Auteur(s): Siegel, V., V. Sushin and U. Damm

3. Fishing ground selection in the Antarctic krill fishery: trends in patterns across years, seasons and nations

   of high krill density observed by scientific surveys, and possible reasons for this mismatch are ... further discussed. A revised format for data submission is suggested in order to accommodate possible ... years, seasons and nations Abstract / Description:  Patterns of fishing ground selection were ... remained relatively constant in Subareas 48.2 (March–May) and 48.3 (June–August). In 25 years of krill ... Science, 3: 13–30. Hewitt, R.P., D.A. Demer and J.H. Emery. 2003. An eight-year cycle in krill biomass ... seasons and calendar years: CCAMLR fishing seasons start on 1 December and end on 30 November. For ... period. All data points were assigned to SSMUs (Figure 1). For the 10 n mile x 10 n mile or 30 n mile x ... mentioned, as high catches were occasionally reported from SOW, this is certainly an important area, but ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 117–141 : Auteur(s): Kawaguchi, S., S. Nicol, K. Taki and M. Naganobu

4. Winter habitat selection by Antarctic krill will increase krill-predator-fishery interactions during ice free years

   with Article II of the Convention for the Conservation of Antarctic Marine Living Resources.  Author(s ... typically covered by seasonal sea-ice become ice free in some winters (Stammerjohn et al. 2008). For ... , compared to summer. In Bransfield Strait, median krill abundance was an order of magnitude higher (8 krill ... m -2) compared to summer (0.25 krill  m -2  ) regardless of ice concentration. Krill biomass was an ...

   Meeting Document : WG-EMM-15/05 : Auteur(s): C.S. Reiss, A. Cossio, C.D. Jones, A. Murray, G. Mitchell, J. Santora, K. Dietrich, E. Weiss, C. Gimpel, J. Walsh and G.M. Watters (USA)

5. Demographic characteristics of the Adélie penguin population of Béchervaise Island after 12 years of study

   Abstract:  Demographic parameters (age-specific mortality rates, fecundity levels and population ... numbers) were analysed for the Béchervaise Island Adélie penguin colony in eastern Antarctica after 12 ... breeding success calculated. As for most long-lived seabird species, growth/decline rates of the Adélie ... years of CEMP monitoring. A life table was constructed, and predicted rates of population growth and ...

   Meeting Document : WG-EMM-02/48 : Auteur(s): J. Clarke, K. Kerry, A. Townsend and L. Emmerson (Australia)

6. Modern mean monthly SST and SST anomalies off South Georgia during recent years (based on satellite data)

   (South Georgia). Current satellite surveys provide constant information for modern appreciation of ... real-time data from vessels and buoy stations are processed to develop initial weekly SST maps. For ... changing the mean monthly SST and SST anomalies during recent years. Daily satellite data from GOES-E and ... ) Title:  Modern mean monthly SST and SST anomalies off South Georgia during recent years (based on ...

   Meeting Document : WG-EMM-03/20 : Auteur(s): G.P. Vanyushin (Russia)

7. Breeding biology of Adélie penguin (Pygoscelis adeliae) at Edmonson Point CEMP site (Ross Sea, Antarctica): report of the first five years

   Abstract:  During 1998/99 austral summer the Adélie penguin monitoring program was carried out for ... the fifth year. The study site was located in the Adélie penguin (Pygoscelis adeliae) colony of ... Edmonson Point (74°20'56.7" S, 165°08'10.03" E). The aim of this research was to obtain ... data to contribute to the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR ...

   Meeting Document : WG-EMM-99/60 : Auteur(s): S. Olmastroni, S. Corsolini, F. Pezzo, S. Focardi (Italy) and K. Kerry (Australia)

8. Analysis of the Chilean operation in the Antarctic krill fishery, years 2017/18

   -2018), which was mainly destined towards testing its fishing systems and new equipment installed for ... by the Chilean krill fishing ship Antarctic Endeavour throughout its first year of operation (2017 ... Document Release Consent:  No Delegation responsibility for releasing documents:  Chile ... and R. Rolleri Title:  Analysis of the Chilean operation in the Antarctic krill fishery, years 2017/18 ...

   Meeting Document : WG-EMM-2019/09 : Auteur(s): P.M. Arana and R. Rolleri

9. Catch per unit effort data from the early years of commercial krill fishing operations in the Atlantic sector of the Antarctic

   validity of the CPUE index is discussed as an indicator for krill abundance/biomass and caution is ... Subareas 48.1, 48.2, 48.3 for the period 1975/76 to 1987/88. Comparisons are carried out between Subareas ... consistent pattern of CPUE values does not occur over time for the entire area. High average CPUE were ... in single years, between years on a Subarea and Area basis, and between oceanic and shelf regions ...

   Meeting Document : WG-EMM-97/22 : Auteur(s): Sushin, V., Siegel, V.

10. Nine years of tag-recapture in CCAMLR Statistical Subarea 48.3 – Part II: Spatial movement and analysis

    Abstract:  This paper presents an analysis of data gained from nine years of tagging of Patagonian ... successful in providing substantial information for the stock assessment and that it can give a first ... ):  M. Soeffker, C. Darby and R.D. Scott (United Kingdom) Title:  Nine years of tag-recapture in CCAMLR ...

    Meeting Document : WG-FSA-14/49 : Auteur(s): M. Soeffker, C. Darby and R.D. Scott (United Kingdom)

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