Search results
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Trophic relations of the cephalopod Martialia hyadesi (Teuthoidea: Ommastrephidae) at the Antarctic Polar Front, Scotia Sea
relations of the cephalopod Martialia hyadesi (Teuthoidea: Ommastrephidae) at the Antarctic Polar Front ... Abstract: Samples of the squid, Martialia hyadesi, were collected aboard two Japanese squid ... jigging vessels carrying out commercial fishing trials at the Antarctic Polar Frontal Zone, north Scotia ... Sea in February 1989. The dissected stomachs of 61 specimens were classified according to fullness and ...
Meeting Document : SC-CAMLR-XI/BG/11 : Author(s): Delegation of United Kingdom
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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 : Author(s): E. Marschoff and E. Barrera-Oro (Argentina)
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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 : Author(s): D.C. Welsford, J. McIvor, S.G. Candy and G.B. Nowara
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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 : Author(s): Delegation of the United Kingdom
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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 : Author(s): J.P. Croxall, A.W. North and P.A. Prince (United Kingdom)
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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 : Author(s): Arnould, J.P.Y., Reid, K.
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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 : Author(s): J.P. Croxall and P. Rothery (United Kingdom)
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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 : Author(s): M.E. Livingston and P. Grimes (New Zealand)
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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 : Author(s): K. Reid, J. Watkins, E. Murphy, P. Trathan, S. Fielding and P. Enderlein (United Kingdom)
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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 : Author(s): H.-C. Shin and S. Kim (Republic of Korea)