Resultados de la búsqueda
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Results of the fourth CCAMLR sponsored research survey to monitor abundance of sub-adult Antarctic toothfish in the southern Ross Sea, February 2015 and further development of the time series
(<110 cm) toothfish for the core strata showed a significant decline in this fourth year of the ... , and warrant future monitoring. We recommend the survey be continued to provide information on year ... standardised manner; and (2) To sample additional experimental stations in an adjacent area to identify areas ... 2012 to age 9 in 2014 and to age 10 for females in 2015. The decline in the catch rates during the ...
Meeting Document : WG-SAM-15/44 : Autor(es): S.M. Hanchet, B.R. Sharp, S. Mormede, S.J. Parker (New Zealand) and M. Vacchi (Italy)
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Analysis of albatross and petrel distribution within the CCAMLR Convention Area: results from the global procellariiform tracking database
Abstract: This paper presents an analysis of the distribution of albatrosses and petrels in the ... CCAMLR Convention Area (areas, sub-areas, divisions and sub-divisions), based on data from the Global ... Procellariiform Tracking Database. The results highlight the importance of the CCAMLR area, particularly for ... distribution data also emphasise the importance for breeding albatrosses and petrels of regions north of the ...
Meeting Document : WG-FSA-05/75 : Autor(es): BirdLife International
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PROPERTIES OF WATER DYNAMICS AND KRILL DISTRIBUTION IN THE SOUTH SANDWICH ISLANDS SUBAREA
Abstract: of mean krill density in Subarea 48.4 there are premises for formation of the zones ... with meanders and eddy favorable for krill concentration. Here, in the cold water of the Weddell Sea ... total biomass was concentrated here, the mean krill density was 65 g/m2, and on local grounds – greater ... meanders and eddies favorable for krill concentration; observed quasistationary character of these eddies ...
Meeting Document : WG-EMM-09/44 Rev. 1 : Autor(es): S.M. Kasatkina and V.N. Shnar (Russia)
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Marine classification: lessons from the New Zealand experience
methods available, such as BRT and GDM; 5) Use a hierarchical algorithm; 6) Focus on an environment or ... the marine environment, and applying them for management. We assert that recent innovations in ... management mandate. This paper considers a range of methodological options for data-driven marine ... ) Generate a classification based on abundance, not presence-absence; 4) Use the most powerful statistical ...
Meeting Document : WS-BSO-07/6 : Autor(es): B. Sharp, M. Pinkerton and J. Leathwick (New Zealand)
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CCAMLR TAGGING PROGRAM
tagging details of a greater proportion of tags than reported last year which has resulted in an improved ... details for all tags recovered (WG-FSA 2008 paragraph 3.55). The Secretariat has been able to verify the ... recapture linkage rate for rajids has been lower than for toothfish in Subareas 88.1 and 88.2. The linking ... rate for tags recovered in established fisheries is also variable due to the partial inclusion in the ...
Meeting Document : WG-SAM-09/04 : Autor(es): Secretariat
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Realización de una segunda Evaluación del Funcionamiento de la CCRVMA
Microsoft Word File: e-cc-xxxiv-20.docx Approval: Approved Secretariat Workflow Status: Content Approved ...
Meeting Document : CCAMLR-XXXIV/20 : Autor(es): Delegation of the European Union
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Penguins, fur seals, and fishing: prey requirements and potential competition in the South Shetland Islands, Antarctica
their foraging efforts on a single species, Antarctic krill (Euphausia superba). Because these predators ... may have a significant effect on krill abundance, we estimated the energy and prey requirements of ... and female Antarctic fur seals (Arctocephalus gazella) breeding on the South Shetland Islands ... data on field metabolic rate, population size, diet, prey energy content, and metabolic efficiency were ...
Meeting Document : WG-EMM-99/57 : Autor(es): D.A. Croll and B.R. Tershy (USA)
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Beach debris survey - Main Bay, Bird Island, South Georgia 1993/94
Abstract: The fourth year of survey of beach debris at Main Bay, Bird Island reported a 20 ... ). Debris accumulated throughout the summer accounted for only 16% of the total (a similar proportion to ... Release Consent: No Delegation responsibility for releasing documents: CCAMLR Secretariat ...
Meeting Document : CCAMLR-XIV/BG/10 : Autor(es): Delegation of the United Kingdom
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Population and breeding of the gentoo penguin Pygoscelis papua at Marion Island, 1994/95 to 2002/03
population stabilized. There is indication that in some years not all breeders nested and that some birds ... relocated to another colony after disturbance. From first clutches, pairs on average fledged between 0.01 ... increased the overall production of fledged chicks by 11%. Based on demographic parameters measured at other ... losses of eggs and small chicks to returning Subantarctic skuas Catharacta antarctica. Future research on ...
Meeting Document : WG-EMM-03/16 : Autor(es): R.J.M. Crawford, J. Cooper, M. du Toit, M.D. Greyling, B. Hanise, C.L. Holness, D.G. Keith, J.L. Nel, S.L. Petersen, K. Spencer, D. Tshingana and A.C. Wolfaardt (South Africa)
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A new fishing gear in the Chilean Patagonian toothfish fishery to minimise interactions with toothed whales with associated benefits to seabird conservation
Abstract: We describe a new fishing technique, called the Chilean system, adapted from an artisan ... fishery for Patagonian Toothfish. The artisan system was modified to include a net sleeve that is placed ... on secondary vertical lines, which has practically eliminated depredation by killer whales and sperm ... fishing technique with regard to seabird mortality and depredation of sperm whales and killer whales on ...
Meeting Document : WG-FSA-07/14 : Autor(es): C.A. Moreno, R. Castro, L.J. Mujica and P. Reyes (Chile)