Résultats de la recherche
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The diet of Antarctic fur seals, Arctocephalus gazella, at King George Island, during the summer–autumn period
. Hernandez and A. Harrington (Argentina) Title: The diet of Antarctic fur seals, Arctocephalus gazella, at ... Abstract: The diet of non breeding male Antarctic fur seals, Arctocephalus gazella, was ... investigated at Stranger Point, King George Island, by scat analysis from February to April 1996. Overall ... , krill and fish were the most frequent prey, occurring in an average of 97% and 69% of samples (n=128 ...
Meeting Document : WG-EMM-04/4 : Auteur(s): G.A. Daneri, A.R. Carlini, C.M. Hernandez and A. Harrington (Argentina)
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The diet of the blue-eyed shag Phalacrocorax atriceps during summer at Nelson Island, Antarctica: temporal variations and consumption rates
Abstract: One hundred and thirty nine stomach contents of the blue-eyed shag Phalacrocorax ... atriceps were sampled at Nelson Island, Antarctica, between 1 December 1994 and 2 February 1995. Fish were ... important by number (60%). The mean mass of the stomach contents was 220 g, whereas the mean number of fish ... was 7.4 (range 1-34). Eight hundred and sixty four bird h-1 of observations on 5-7 nests showed that ...
Meeting Document : WG-EMM-95/82 : Auteur(s): Silva, P., Barrera-Oro, E., Casaux, R., Favero, M., Coria, N.
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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 : Auteur(s): Croxall, J.P., Prince, P.A., Hill, H.J., Edwards, T.M., Reid, K.
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Cephalopod diet of the southern elephant seal (Mirounga leonina) at King George Island, South Shetland Islands
(United Kingdom) Title: Cephalopod diet of the southern elephant seal (Mirounga leonina) at King George ... Abstract: In the austral summer of 1995/96, 25 southern elephant seals, Mirounga leonina, were ... stomach lavaged at Stranger Point, King George Island, South Shetland Islands. Cephalopod remains were ... present in 72% of the individuals sampled (n=18). Seven species of squid and 3 of octopus were identified ...
Meeting Document : WG-EMM-99/13 : Auteur(s): G.A. Daneri, A.R. Carlini (Argentina) and P.G.K. Rodhouse (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: 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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): Delegation of United Kingdom