Résultats de la recherche
-
ENTANGLEMENT OF ANTARCTIC FUR SEALS ARCTOCEPHALUS GAZELLA IN MAN-MADE DEBRIS AT BIRD ISLAND, SOUTH GEORGIA DURING THE 2007 WINTER AND 2007/08 BREEDING SEASON
Abstract: Results of the survey of entanglements of Antarctic fur seals Arctocephalus gazella at ... : ENTANGLEMENT OF ANTARCTIC FUR SEALS ARCTOCEPHALUS GAZELLA IN MAN-MADE DEBRIS AT BIRD ISLAND, SOUTH GEORGIA ... summer (November 2007 to March 2008) are reported here. During the reporting period of 1 April 2007 to 31 ... March 2008 a total of 36 entangled seals were observed. Sixteen and 20 entanglements were observed in ...
Meeting Document : WG-FSA-08/27 : Auteur(s): E.W.J. Edwards (UK)
-
Size variations associated with abundance changes in juvenile Notothenia rossii observed at Potter Cove, South Shetland Islands, since the end of the fishery in the area
Abstract: Samp1es of fjord fish of the species N. rossii and N. neglecta collected at Potter Cove ... mean sizes of pre-recruit N. rossii was clearly observed along the whole sampling period. This was ... interpreted as a consequence of a significant reduction in the influx of the youngest age classes into inshore ... waters followed by the departure of the older (and more abundant) specimens offshore. These changes are ...
Meeting Document : WG-FSA-91/13 : Auteur(s): E. Marschoff and E. Barrera-Oro (Argentina)
-
The spawning dynamics of Patagonian toothfish in the Australian EEZ at Heard Island and the McDonald Islands and their importance to spawning activity across the Kerguelen Plateau
industry conducted a joint project to study the reproductive dynamics of Patagonian toothfish (Dissostichus ... available for 12 563 individuals. The histology of male and female gonads was also analysed from specimens ... latitudinal range along the deep slope of the Kerguelen Plateau. A comparison of macroscopic staging of gonad ... resting mature animals (as confirmed by the presence of post-ovulatory follicles) from first maturing ...
Meeting Document : WG-FSA-12/P08 : Auteur(s): D.C. Welsford, J. McIvor, S.G. Candy and G.B. Nowara
-
Conserving surface-nesting seabirds at the Prince Edward Islands: the roles of research, monitoring and legislation
decreased at the islands since the 1980s and 12 of 16 species are regarded as Threatened or Near Threatened ... (South Africa) Title: Conserving surface-nesting seabirds at the Prince Edward Islands: the roles of ... Abstract: South Africa’s subantarctic Prince Edward Islands support substantial proportions of ... the global populations of a number of surface-nesting seabirds. Populations of most of these have ...
Meeting Document : WG-EMM-03/14 : Auteur(s): R.J.M. Crawford and J. Cooper (South Africa)
-
The diet of the blue-eyed shag, Phalacrocorax atriceps bransfieldensis at the west Antarctic Peninsula
analyzed based on the identification of the prey items in 50 regurgitated casts collected at Duthoit Point ... diet of the blue-eyed shag, Phalacrocorax atriceps bransfieldensis at the west Antarctic Peninsula ... Abstract: The diet of the Antarctic Blue-eyed Shag Phalacrocorax atriceps bransfieldensis was ... . Fish remains occurred in 100% of the casts and represented 68% by number and 90% by weight of the total ...
Meeting Document : WG-CEMP-93/26 Rev. 1 : Auteur(s): R. Casaux and E. Barrera-Oro (Argentina)
-
Fish prey of the wandering albatross Diomedea exulans at South Georgia
Abstract: The fish diet (45% of total diet by weight) of Wandering Albatrosses rearing chicks at ... P.A. Prince (United Kingdom) Title: Fish prey of the wandering albatross Diomedea exulans at South ... South Georgia during the austral winters of 1983 and 1984 was investigated using otoliths retrieved from ... regurgitations. These provide the first quantitative data for this species and for any albatross. By number of ...
Meeting Document : SC-CAMLR-VII/BG/05 : Auteur(s): J.P. Croxall, A.W. North and P.A. Prince (United Kingdom)
-
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)
-
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)
-
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
-
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.