Résultats de la recherche
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Population dynamics of the wandering albatross Diomedea exulans at Marion Island: long-line fishing and environmental influences
, suggesting common factors operating at an ocean-basin scale. The average survival rate of adult females was ... dynamics of the wandering albatross Diomedea exulans at Marion Island: long-line fishing and environmental ... breeding population of the Vulnerable wandering albatross Diomedea exulans. The numbers of birds breeding ... result of both real changes in the size of the population and changes in the proportion of the population ...
Meeting Document : WG-EMM-03/11 : Auteur(s): D.C. Nel, F. Taylor, P.G. Ryan and J. Cooper (South Africa)
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Population dynamics of wandering albatrosses Diomedea exulans at sub-Antarctic Marion Island: longline fishing and environmental influences
conditions at Marion Island were favorable. The implementation of international conservation initiatives to ... Abstract: The Prince Edward Islands support the largest breeding population of the vulnerable ... Wandering Albatross Diomedea exulans. The number of birds breeding in this population has fluctuated over ... the past three decades and appears to be the result of both real changes in the size of the population ...
Meeting Document : WG-FSA-02/16 : Auteur(s): D.C. Nel, P.G. Ryan and J. Cooper (South Africa)
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Report of the UK Groundfish Survey at South Georgia (CCAMLR Subarea 48.3) in January/February 2019
calculated at 50,897 tonnes with a lower 1-sided 95% interval estimate of 30,288 tonnes. This is lower than ... of the two northern strata and at the western end of Shag Rocks, with one high catch recorded in the ... : Report of the UK Groundfish Survey at South Georgia (CCAMLR Subarea 48.3) in January/February 2019 ... Abstract: The UK undertook a bottom trawl survey of CCAMLR sub-Area 48.3 on the FV Sil between ...
Meeting Document : WG-FSA-2019/20 : Auteur(s): S. Gregory, P. Hollyman, T. Earl, A. Clement, J. Visagie, L. Featherstone and M. Belchier
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Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Bird Island, South Georgia during the 1997 winter and 1997/98 pup-rearing season
Abstract: Results of the survey of entanglements of Antarctic fur seals at Bird Island, South ... the need for sustained monitoring and continuing publicity aimed at preventing the disposal of debris ... at sea. Author(s): Delegation of the United Kingdom Title: Entanglement of Antarctic fur seals ... . Only seven seals were observed entangled in the winter, a drop of 59% from 1996. Four of these records ...
Meeting Document : SC-CAMLR-XVII/BG/11 : Auteur(s): Delegation of the United Kingdom
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Entanglement in man-made debris of Antarctic fur seals at Bird Island, South Georgia
gazella) at Bird Island, South Georgia, was monitored throughout the austral winter and summer of 1990/91 ... hazardous material jettisoned at sea or a possible increased mortality at sea of entangled seals. The most ... . Author(s): Delegation of UK Title: Entanglement in man-made debris of Antarctic fur seals at Bird ... Abstract: The incidence of entanglement in man-made debris by Antarctic fur seals (Arctocephalus ...
Meeting Document : CCAMLR-X/BG/05 : Auteur(s): Delegation of UK
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Stratification of catch-at-length data using tree based regression: an example using Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
Abstract: This paper presents a new approach to the stratification of catch-at-length data of ... toothfish catch-at-length and catch-at-age from the Ross Sea up to the end of the 2003–04 fishing season ... . Author(s): N.L. Phillips, A. Dunn and S.M. Hanchet (New Zealand) Title: Stratification of catch-at ... sampled catch based on the median length of Antarctic toothfish for each set using the observer length ...
Meeting Document : WG-FSA-SAM-05/8 : Auteur(s): N.L. Phillips, A. Dunn and S.M. Hanchet (New Zealand)
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Preliminary results from CEMP monitoring of Antarctic fur seals, chinstrap penguins and macaroni penguins at Bouvetøya 1996/97
was established at the CEMP site, Nyrøysa, on the western coast of the island. Species included in the ... population changes of penguins and fur seals). The population of Chinstrap Penguins at Nyrøysa has declined ... Abstract: A CCAMLR Ecosystem Monitoring Program (CEMP) was initiated at Bouvet0ya, South Atlantic ... from the first season of CEMP monitoring (parameters A3, A4, A5, A6, A8, A9, C1 and C2) are reported ...
Meeting Document : WG-EMM-97/20 : Auteur(s): Hofmeyr, G.J.G., Dyer, B.M., Næstvold, A., Mehlum, F., Gjertz, I., Bakken, V., Isaksen, K., Huyser, O.
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Using predators and their prey to characterise the status of the marine ecosystem at South Georgia
status of the marine ecosystem at South Georgia Microsoft Word File: emm-16-28.docx Approval: Approved ... Abstract: Increased awareness about the present status of marine systems, including those where ... fisheries target the prey of natural predators, has led to recommendations about how information on the ... status of marine predators might be used to inform ecosystem-based management approaches. In the ...
Meeting Document : WG-EMM-16/28 : Auteur(s): P. Trathan, S. Fielding, S. Hill, M. Belchier and J. Forcada
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Signy Island, South Orkney Islands, 2006/07
Abstract: The results of the eleventh annual survey of entanglement of Antarctic fur seals at ... study undertaken at Bird Island, South Georgia in 2006/07. Author(s): Delegation of the United Kingdom ... Title: Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Signy Island ... Signy Island, South Orkney Islands are reported for the 2006/2007 summer season. There was 1 sighting of ...
Meeting Document : SC-CAMLR-XXVI/BG/20 : Auteur(s): Delegation of the United Kingdom
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Age, growth and size at sexual maturity of Macrourus carinatus from the CCAMLR fisheries in division 58.5.2
for both sexes combined, resulting in values of: L8 = 635 mm, K = 0.088 and t0 =-1.8. The size at ... operations in the Heard Island region in 2000. The size at which 50% of the fish population is mature, L50 ... was 417 mm total length and the size at which 50% of the fish population have spawned for the first ... . Constable (Australia) Title: Age, growth and size at sexual maturity of Macrourus carinatus from the CCAMLR ...
Meeting Document : WG-FSA-02/48 : Auteur(s): E.M. van Wijk, R. Williams and A.J. Constable (Australia)