Résultats de la recherche

1. 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 : Auteur(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)

2. 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 : Auteur(s): C.M. Waluda, S.L. Hill, H.J. Peat and P.N. Trathan

3. Estimation of natural mortality using catch-at-age and aged mark-recapture data: a simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation

   estimates of M when all other parameters were fixed at their simulation values. When all parameters were ... ):  S.G. Candy (Australia) Title:  Estimation of natural mortality using catch-at-age and aged mark ... . An alternative estimation strategy was tested using simulation whereby catch-at-age and aged mark ... -recapture data were generated for 12 years of fishing. Two alternative estimation models were programmed in ...

   Meeting Document : WG-SAM-10/11 Rev. 1 : Auteur(s): S.G. Candy (Australia)

4. 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 : Auteur(s): R. Hucke-Gaete (Chile)

5. 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 : Auteur(s): Delegation of South Africa

6. 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 : Auteur(s): S.L. Hill, C.M. Waluda, H.J. Peat and S. Fielding (United Kingdom)

7. 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 : Auteur(s): C.M. Waluda, S.L. Hill, H.J. Peat and P.N. Trathan (United Kingdom)

8. 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 : Auteur(s): L. Pshenichnov (Ukraine)

9. 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 : Auteur(s): P.N. Trathan (United Kingdom)

10. Estimating abundance of Antarctic fur seals at South Georgia

    abundance of Antarctic fur seals at South Georgia. The estimate is based on photographic counts of all the ... Kingdom) Title:  Estimating abundance of Antarctic fur seals at South Georgia Approval:  Approved ... Abstract:  This paper presents a description of the statistical approach developed to estimate ... total population size carrying over multiple sources of uncertainty from estimates of proportions of ...

    Meeting Document : WG-EMM-14/09 : Auteur(s): J. Forcada, I.J. Staniland, A.R. Martin, A.G. Wood and P.N. Trathan (United Kingdom)

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