Résultats de la recherche

1. Population change in gentoo penguins Pygoscelis papua at South Georgia: potential roles of adult survival, recruitment and deferred breeding

   change in gentoo penguins Pygoscelis papua at South Georgia: potential roles of adult survival ... Abstract:  Data on breeding population size and breeding success in gentoo penguins at Bird Island ... survival and recruitment rates, to model the fluctuations in breeding populations, taking account of ... variations introduced by good and bad years (as classified on the basis of breeding success). There is ...

   Meeting Document : WG-CEMP-93/08 : Auteur(s): J.P. Croxall and P. Rothery (United Kingdom)

2. Changes in the diet of the South Georgia shag Phalacrocorax georgianus at the South Orkney Islands along four consecutive years

   Abstract:  The diet of the South Georgia Shag Phalacrocorax georgianus at Laurie Island, South ... :  Changes in the diet of the South Georgia shag Phalacrocorax georgianus at the South Orkney Islands along ... Orkney Islands, was studied by the analysis of 337 pellets (regurgitated casts) collected during the 1995 ... prey in all of the seasons and predominated in mass in 1995 and 1996, followed by Notothenia coriiceps ...

   Meeting Document : WG-EMM-00/8 : Auteur(s): R. Casaux and A. Ramón (Argentina)

3. Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 1994 winter and 1994/95 pup-rearing season

   of Antarctic fur seals Arctocephalus gazella in man-made debris at Bird Island, South Georgia during ... Abstract:  Surveys of Antarctic fur seals entangled in man-made marine debris were carried out for ... the fifth consecutive winter and seventh consecutive summer at Bird Island, South Georgia. The three ... juveniles. Of entangled animals the proportion of males affected was 67%, approximately the same as in 1993 ...

   Meeting Document : SC-CAMLR-XIV/BG/08 : Auteur(s): Delegation of the United Kingdom

4. The diet of Antarctic fur seals Arctocephalus gazella during the breeding season at South Georgia

   Abstract:  The diet of lactating female Antarctic fur seals Arctocephalus gazella at South Georgia ... was investigated during the pup rearing period (January- March) of 1991-1994. Antarctic Krill ... Euphausia superba was the main prey item, occurring in 88% of all scats (n=497), whereas fish occurred in 47 ... % and squid in 5%. There was considerable intra and inter-annual variation in the characteristics of ...

   Meeting Document : WG-EMM-95/28 : Auteur(s): Arnould, J.P.Y., Reid, K.

5. Size at maturity and histological procedures explored to determine spawning activity of female Dissostichus mawsoni from samples collected from the Ross Sea in January 2004, December 2004 and January 2005

   size at maturity. The calculated Lm50 of 113.0 cm was very close to the value of 115.2 cm estimated in ... the 2003/04 and 2004/05 commercial fishing seasons in the Ross Sea to improve estimates of size of ... samples of toothfish less than 80 cm and over 120 cm total length were obtained. The first part of the ... study used classic histological techniques to classify ovary stages by the most advanced state of oocyte ...

   Meeting Document : WG-FSA-05/63 : Auteur(s): M.E. Livingston and P. Grimes (New Zealand)

6. Sources of variability associated with Adélie penguin CEMP parameters measured at Béchervaise Island, East Antarctica

   parameters at around 5-7% CV. The smallest source of variability was associated with measurement error ... :  Sources of variability associated with Adélie penguin CEMP parameters measured at Béchervaise Island, East ... Abstract:  We examine the magnitude of a variety of sources of variability associated with CEMP ... weights, A5: duration of foraging trips, and A7: fledgling weights. Sources of variability can generally ...

   Meeting Document : WG-EMM-03/48 : Auteur(s): L.M. Emmerson, C. Southwell, J. Clarke and K. Kerry (Australia)

7. MULTIPLE TIME SCALES OF VARIABILITY IN THE KRILL POPULATION AT SOUTH GEORGIA

   inter-annual variability. The lack of a self-sustaining krill population at South Georgia means that ... Abstract:  The South Georgia region supports a high biomass of krill that is the subject to high ... ecosystem-based management of any krill fishery in the region. Krill acoustic density data from surveys ... conducted in the early, middle and late period of the summers of 2001 to 2005, together with krill ...

   Meeting Document : WG-EMM-08/48 : Auteur(s): K. Reid, J. Watkins, E. Murphy, P. Trathan, S. Fielding and P. Enderlein (United Kingdom)

8. Preliminary study on the breedings of chinstrap and gentoo penguins at Barton Peninsula, King George Island

   change in the nest content were followed. Chicks were hatched out at 50% of the monitored nests on 18 ... Abstract:  A preliminary survey on 2 species of penguins, chinstrap and gentoo was made in the ... CCAMLR standard method. A total of 96 nests for chinstraps and 121 nests for gentoos were monitored to ... document breeding chronology and give a measure of breeding success. The nests to be monitored were ...

   Meeting Document : WG-CEMP-93/23 : Auteur(s): H.-C. Shin and S. Kim (Republic of Korea)

9. Entanglement of Antarctic fur seals (Arctocephalus gazella) in man made debris at Bird Island, South Georgia, during the 2006 winter and 2006/07 breeding season

   Abstract:  Results of the survey of entanglements of Antarctic fur seals at Bird Island, South ... total of 41 winter entanglements were observed in the reporting period compared to 2 observed in the ... 1992 when 97 entanglements where reported). The number of entanglements seen during the summer period ... was 17, an increase of 112.5% over the previous summer, and the highest since 2001/02. During the ...

   Meeting Document : SC-CAMLR-XXVI/BG/17 : Auteur(s): Delegation of the United Kingdom

10. Spatial and temporal variability in foraging patterns of krill predators at Signy Island and South Georgia

    . We look to determine whether foraging areas are different at different times of the breeding season ... Kingdom) Title:  Spatial and temporal variability in foraging patterns of krill predators at Signy Island ... . In a system where the distribution and abundance of prey is highly variable, foraging behaviour must ... be highly adaptable. In this paper we consider the behaviour of seal and seabird krill-dependent ...

    Meeting Document : WG-EMM-02/33 Text : Auteur(s): P.N. Trathan, J.L. Tanton, A.S. Lynnes, M.J. Jessopp, H. Peat, K. Reid and J.P. Croxall (United Kingdom)

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