Search results
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RECENT TRENDS IN NUMBERS OF FOUR SPECIES OF PENGUINS AT THE PRINCE EDWARD ISLANDS
Abstract: Four species of penguin breed regularly at South Africa’s Prince Edward Islands: king ... pairs of king penguins were incubating eggs at Marion Island, the larger of the two islands in the group ... in numbers of king penguin chicks that survived to the end of the winter period, but there was ... considerable fluctuation in chick production in the 1990s. It was roughly estimated that on average 88% of king ...
Meeting Document : WG-EMM-10/P1 : Author(s): R.J.M. Crawford, P.A. Whittington, L. Upfold, P.G. Ryan, S.L. Petersen, B.M. Dyer and J. Cooper
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Recent trends in numbers of four species of penguins at the Prince Edward Islands
Abstract: Four species of penguin breed regularly at South Africa’s Prince Edward Islands: king ... pairs of king penguins were incubating eggs at Marion Island, the larger of the two islands in the group ... in numbers of king penguin chicks that survived to the end of the winter period, but there was ... considerable fluctuation in chick production in the 1990s. It was roughly estimated that on average 88% of king ...
Meeting Document : WG-EMM-10/P01 : Author(s): R.J.M. Crawford, P.A. Whittington, L. Upfold, P.G. Ryan, S.L. Petersen, B.M. Dyer and J. Cooper
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2016 – Part C: Data analysis and MPA scenario development
) the scientific background and justification for the development of a marine protected area (MPA) in ... general context of the establishment of CCAMLR-MPAs and provides the background information on the Weddell ... -16/03 (Part C) describes the methods and the results of the scientific analyses as well as the ... development of the objectives and finally of the borders for the WSMPA. Earlier versions of Parts A-C were ...
Meeting Document : WG-EMM-16/03 : Author(s): K. Teschke, H. Pehlke, M. Deininger and T. Brey on behalf of the German Weddell Sea MPA project team
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Towards an assessment of the stock of the ommastrephid squid Martialia hyadesi in the Scotia Sea: data from predators
exploitation of the sub-Antarctic ommastrephid species Martialia hyadesi will be attempted in the future. This ... squid is an important component of the diet of several species of albatross and the southern elephant ... % of which is taken by southern elephant seals, and the other species may take at least a further 51400 ... 308016 tonnes per year. The proportion of total annual production of Martialia taken by predators cannot ...
Meeting Document : SC-CAMLR-IX/BG/13 : Author(s): Delegation of United Kingdom
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The State of Exploited Fish Stocks in the Atlantic Sector of the Southern Ocean in 1988
Abstract: Finfish have been harvested in the Atlantic sector of the Southern Ocean since the end ... of the 1960s by the Soviet Union mainly. Notothenia rossii marmorata was the target species in the ... guntheri. Catches of C. gunnari peaked at about 240,000, 220,000 and 100,000 tonnes in 1976-78, 1982-84 and ... Georgia is less than 5 % of the pristine level at present. Recruitment has dropped since the second half ...
Meeting Document : WG-FSA-88/14 : Author(s): K.-H. Kock and F.-W. Köster (FRG)
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Review of biological characteristics of the Antarctic toothfish (Dissostichus mawsoni) and its distribution in Antarctic waters
Abstract: Results of published studies on the biology, biomass and distribution of the Antarctic ... toothfish (Dissostichus mawsoni) were reviewed. The review focused on those aspect of the species which are ... of importance for the assessment of its biomass and identification of its stocks. The trophodynamics ... of D. mawsoni are mentioned only in brief. Most published materials refer to studies conducted in the ...
Meeting Document : WG-FSA-98/37 : Author(s): Secretariat
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Estimating the biodiversity of the shelf and oceanic zone of the d’Urville Sea (East Antarctica) for ecoregionalisation using the CEAMARC (Collaborative East Antarctic Marine Census) CAML surveys
Abstract: A proposal for a representative system of MPAs (RSMPA) for eastern Antarctica (CCAMLR ... Divisions 58.4.1 and 58.4.2) has been developed to satisfy overall the principles of comprehensiveness ... of the areas identified in the proposal (140-150°E from the coast to 60°S). This area has been ... studied by a number of countries in the CEAMARC surveys (Collaborative East Antarctic Marine Census) as ...
Meeting Document : WS-MPA-11/07 : Author(s): P. Koubbi (France), G. Hosie, A. Constable, B. Raymond (Australia), M. Moteki (Japan), N. Améziane, R. Causse (France), V. Fuentes (Spain), K. Heerah, F. Penot, D. Vincent, A. Ancel, C.A. Bost, M. Eléaume (France), D. Lindsay (Japan), M. Lindsay (Australi
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Alternative method of the age composition assessment on the basis of surveys length data using mixture distributions
Abstract: On the basis of the bottom trawl surveys carried out by Russia and Great Britain during ... bootstrap method result in different estimates of mean fish density in the length series. Verification of ... the hypothesis of non-zero observations lognormal distribution for a large number of length groups ... casts doubt on the correctness of the first method application and therefore also of the method by de la ...
Meeting Document : WG-FSA-05/78 : Author(s): P. Gasyukov (Russia)
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Robust characterisation of the age structure, growth and recruitment of toothfish in the Macquarie Island and Heard Island and McDonald Islands fisheries
fishing industry provided funds to conduct high throughput ageing of toothfish otoliths. 5780 otoliths ... Island were processed. The inclusion of these datasets have improved the estimates of key parameters ... population dynamics of toothfish including growth rates, mean recruitment levels and interannual variability ... , as well as allowing more precise estimates of the selectivity of the different fishing gears used in ...
Meeting Document : WG-FSA-12/P07 : Author(s): D.C. Welsford, S.G. Candy, J.J. Verdouw and J.J. Hutchins
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The applicability of international conservation instruments to the establishment of marine protected areas in Antarctica
, and thus include Antarctica within the scope of a worldwide system of marine protected areas. However ... or even impossible because of the area’s unique political situation and existing regimes. It is ... concluded that although direct application of other international conservation agreements is in most cases ... principles and requirements agreed under instruments with global purview. These include the formulation of ...
Meeting Document : WG-EMM-04/32 : Author(s): S. Grant (United Kingdom)