Search results
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Antarctic fur seal population dynamics update and assessment of census error at SSSI No. 32, Livingston Island, South Shetlands, Antarctica (2000/2001)
undertaking regional surveys of land-based predators in the future. Censuses developed at the SSSI have proved ... fur seal population dynamics update and assessment of census error at SSSI No. 32, Livingston Island ... of Antarctic fur seals, Arctocephalus gazella, in the South Shetland Archipelago. Since all censuses ... up to date have been single counts and do not allow the calculation of confidence limits, a protocol ...
Meeting Document : WG-EMM-01/49 : Author(s): R. Hucke-Gaete (Chile)
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Breeding and post-breeding foraging locations of Adélie penguins at Hope Bay/Esperanza, Antarctic Peninsula
Abstract: We compare the diet and the foraging distribution of Adélie penguins at Hope Bay ... krill fishery activity at spatial and temporal scale. During both seasons, the bulk of the diet was ... (Secretariat) and J.T. Hinke (USA) Title: Breeding and post-breeding foraging locations of Adélie penguins at ... /Esperanza, during the late part of the breeding season and their subsequent post breeding dispersal in two ...
Meeting Document : WG-EMM-14/42 : Author(s): M.M. Santos (Argentina), P.N. Trathan (UK), S. Thanassekos (Secretariat), E.F. Rombolá, M.A. Juáres (Argentina), K. Reid (Secretariat) and J.T. Hinke (USA)
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Entanglement of Antarctic fur seal Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 2001 winter and the 2002 breeding season
Abstract: Results of the survey of entanglements of Antarctic fur seals at Bird Island, South ... wildlife at sea. Author(s): Delegation of the United Kingdom Title: Entanglement of Antarctic fur seal ... here. The overall number of entanglements showed an increase from recent years, with 20 entanglements ... reported over winter and 48 during the summer breeding period. The number of winter entanglements was same ...
Meeting Document : SC-CAMLR-XXI/BG/04 : Author(s): Delegation of the United Kingdom
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Effects of orientation on acoustic scattering from Antarctic krill at 120 kHz
) were made at a frequency of 120 kHz in a chilled insulated tank at the Long Marine Laboratory in Santa ... : Effects of orientation on acoustic scattering from Antarctic krill at 120 kHz Approval: Approved ... Abstract: Backscattering measurements of 14 live individual Antarctic krill (Euphausia superb a ... Cruz, CA. Individual animals were suspended in front of the transducers, were only loosely constrained ...
Meeting Document : WG-EMM-99/42 : Author(s): D.E. McGehee (USA), R.L. O’Driscoll (New Zealand) and L.V. Martin Traykovski (USA)
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Entanglement of pinnipeds at Marion Island
April 1991 to June 1995 at Marion Island, Southern Ocean. One of the individuals was an elephant seal ... : Entanglement of pinnipeds at Marion Island Approval: Approved ... Abstract: Forty-two sightings of 28 individual pinnipeds with neck collars were observed from ... . tropicalis. Fifty percent of neck collars on fur seals were removed. The incidence of entanglement of fur ...
Meeting Document : SC-CAMLR-XIV/BG/17 : Author(s): Delegation of South Africa
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Long term variability in the diet and reproductive performance of penguins at Bird Island, South Georgia
at the same location. Our results suggest that the availability of krill is a key source of diet ... (1989 to 2010) was examined for gentoo penguins Pygoscelis papua breeding at Bird Island, South Georgia ... present in 89 % of samples and were the main prey (> 50 % by mass) in 10 years of the study. Antarctic ... krill Euphausia superba were present in 85 % of all diet samples. Fish were present in 79 % of samples ...
Meeting Document : WG-EMM-17/P02 : Author(s): C.M. Waluda, S.L. Hill, H.J. Peat and P.N. Trathan
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Diet variability and reproductive performance of macaroni penguins (Eudyptes chrysolophus) at Bird Island, South Georgia
performance of macaroni penguins (Eudyptes chrysolophus) at Bird Island, South Georgia Approval: Approved ... Abstract: We analysed summer diet and fledging mass of macaroni penguins Eudyptes chrysolophus ... breeding at Bird Island, South Georgia during the crèche period (January and February) between 1989 and ... 2010. Crustaceans were the main prey accounting for over 90 % of the diet by mass. Antarctic krill ...
Meeting Document : WG-EMM-12/17 : Author(s): C.M. Waluda, S.L. Hill, H.J. Peat and P.N. Trathan (United Kingdom)
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Two decades of variability in krill predators at Bird Island, South Georgia and their potential as ecosystem indicators
Abstract: The breeding performance of seabirds and seals at Bird Island, South Georgia, in the ... , H.J. Peat and S. Fielding (United Kingdom) Title: Two decades of variability in krill predators at ... Southern Ocean, has been recorded annually for over two decades as part of a large marine ecosystem ... monitoring programme. We examined the mechanistic relationships between, and patterns of inter-annual ...
Meeting Document : WG-EMM-12/16 : Author(s): S.L. Hill, C.M. Waluda, H.J. Peat and S. Fielding (United Kingdom)
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A POPULATION ESTIMATE OF MACARONI PENGUINS (EUDYPTES CHRYSOLOPHUS) AT SOUTH GEORGIA
ESTIMATE OF MACARONI PENGUINS (EUDYPTES CHRYSOLOPHUS) AT SOUTH GEORGIA Approval: Approved ... Abstract: This paper describes methods and results from a recent aerial survey of the macaroni ... penguin population at South Georgia. Author(s): P.N. Trathan (United Kingdom) Title: A POPULATION ...
Meeting Document : WG-EMM-PSW-08/04 : Author(s): P.N. Trathan (United Kingdom)
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ON INCIDENTAL MORTALITY OF ANTARCTIC KRILL AT KRILL FISHERY
40-50% of the «percolated» individuals were injured, at the same time while «punched» through small ... Abstract: Analysis of the Antarctic krill (Euphausia superba) commercial and research fishery in ... 1970-ies and 1980-ies showed that different modifications of midwater trawls applied had comparatively ... meshes of the trawl codend 60 to 100% of individuals perished. There are two main aspects of this problem ...
Meeting Document : WG-EMM-09/11 : Author(s): L. Pshenichnov (Ukraine)