Resultados de la búsqueda
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Diet and feeding ecology of the diving petrels Pelecanoides georgicus and P. urinatrix at South Georgia
: Diet and feeding ecology of the diving petrels Pelecanoides georgicus and P. urinatrix at South Georgia ... Abstract: The diet of the diving petrels Pelecanoides georgicus and P. urinatrix was studied ... Bird Island, South Georgia. The diet of both species was dominated by crustaceans. in particular ... euphausiids (mainly Euphausia superba and some ThysCll1oessa), which contributed 47-76% of the biomass of ...
Meeting Document : WG-EMM-97/10 : Autor(es): Croxall, J.P., Prince, P.A., Hill, H.J., Edwards, T.M., Reid, K.
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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: Samples of fish collected from 1983 to 1992 at Potter Cove, King George Island, South ... Notothenia rossii, observed at Potter Cove, South Shetland Islands, since the end of the fishery in the area ... rossii, in association with changes in the size and age structure of the juvenile population. Mean ... thought to be caused by local factors, but related with the operations of the commercial fishery during ...
Meeting Document : WG-FSA-93/13 : Autor(es): E.R. Marschoff and E.R. Barrera-Oro (Argentina)
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High densities of pennatulaceans (sea pens) encountered at sites in the South Orkney Islands (Subarea 48.2): three potential Vulnerable Marine Ecosystems
marine ecosystem (VME) indicator taxa, were encountered at three sites on the northeastern shelf of the ... . Jones Title: High densities of pennatulaceans (sea pens) encountered at sites in the South Orkney ... Abstract: High densities of pennatulaceans (Phylum Cnidaria: Order Pennatulacea), a vulnerable ... South Orkney Islands (Subarea 48.2). The details of these encounters, utilizing occurrence and abundance ...
Meeting Document : WG-EMM-18/36 : Autor(es): C.D. Jones
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Counts of surface-nesting seabirds breeding at Prince Edward Island, summer 2001/02
Abstract: The first midsummer survey of surface-nesting seabirds at Prince Edward Island was ... Bester (South Africa) Title: Counts of surface-nesting seabirds breeding at Prince Edward Island, summer ... concerns about the impacts of longline fishing mortality on various albatrosses and giant petrels, there ... was no evidence that populations of these species had decreased. Indeed, the estimate of wandering ...
Meeting Document : WG-EMM-03/9 : Autor(es): P.G. Ryan, J. Cooper, B.M. Dyer, L.G. Underhill,R.J.M. Crawford and M.N Bester (South Africa)
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Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 1993 winter and 1993/94 pup-rearing season
: Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Bird Island, South Georgia ... Abstract: Surveys of Antarctic fur seals entangled in man-made marine debris were carried out for ... the fourth consecutive winter and sixth consecutive summer at Bird Island, South Georgia. In the 1993 ... winter the number of entangled seals was only 39% of the record 1992 total, but still 5 times the numbers ...
Meeting Document : SC-CAMLR-XIII/BG/03 : Autor(es): Delegation of United Kingdom
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Annual variation in the timing of reproduction in Antarctic fur seals (Arctocephalus gazella) at Bird Island, South Georgia
Abstract: The arrival of Antarctic fur seals at a breeding beach on Bird Island. South Georgia ... : Annual variation in the timing of reproduction in Antarctic fur seals (Arctocephalus gazella) at Bird ... established breeding territories on the beaches in anticipation of the arrival of the cows. Male arrival ... usually started when 80% or more of potential territory sites were occupied by males. Cows arrived ...
Meeting Document : WG-CEMP-90/39 : Autor(es): C.D. Duck (United Kingdom)
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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 : Autor(es): Delegation of United Kingdom
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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 : Autor(es): E.W.J. Edwards (UK)
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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 : Autor(es): 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 : Autor(es): D.C. Welsford, J. McIvor, S.G. Candy and G.B. Nowara