Résultats de la recherche
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The development of spatially and temporally controlled measures of survival and tag-detection for the CCAMLR tagging program
management by CCAMLR of a number of toothfish fisheries in Antarctica. The evaluation of the tagging ... tagging performance in relation to these two aspects has been thus far inconclusive because of confounding ... effort (e.g. vessel, vessel-trip). We developed indices to compare (i) the tag detection rate of ... tagging data in CCAMLR Subareas 88.1 and 88.2. Initial results show that the indices developed can provide ...
Meeting Document : WG-SAM-12/30 : Auteur(s): S. Mormede and A. Dunn (New Zealand)
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Breeding numbers and success of Eudyptes penguins at Marion Island, and the influence of arrival of adults
Abstract: At Marion Island, there was considerable correlation in numbers of adults breeding at ... study colonies for both Macaroni Eudyptes chrysolophus and Eastern Rockhopper E. chrysocome filholi ... , over-wintering conditions may also affect breeding success. Trends in breeding success at study ... Niño Southern Oscillation event of 1997/98, there was no significant correlation in mass on arrival ...
Meeting Document : WG-EMM-05/38 : Auteur(s): R.J.M. Crawford, J. Cooper, B.M. Dyer and L.G. Underhill (South Africa)
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Acoustic estimates of krill abundance at South Georgia, 1981–1998
north-eastern and north-western ends of South Georgia. In four of these years biomass was higher to the ...
Meeting Document : WS-AREA 48-98/9 : Auteur(s): A.S. Brierley, J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson (UK)
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Testing early life connectivity using otolith chemistry and particle-tracking simulations
compared the chemistry with simulated particle transport using a circulation model. Material laid down in ... eastern and northern shelves, indicating a single, self-recruiting population. Consistent with the otolith ... nests, are transported in the southern ACC, missing South Georgia but following trajectories along the ... stages in the water column substantially influence the direction and extent of connectivity. Used in ...
Meeting Document : WG-FSA-10/P02 : Auteur(s): J. Ashford, M. La Mesa, B.A. Fach, C. Jones and I. Everson
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Population and survival trends of wandering albatrosses (Diomedea exulans) breeding on Macquarie Island
fishing effort in the eastern Indian Ocean. Breeding numbers slowly increased on Macquarie Island through ... than 20 breeding pairs. Most breeding birds in this small population are banded and monitoring over the ... effort and survival varied markedly with breeding numbers declining from a peak in 1964 to near ... extinction levels in the mid 1980’s. Underlying this decline was a significant decrease in juvenile survival ...
Meeting Document : WG-FSA-04/50 : Auteur(s): A. Terauds, R. Gales, R. Alderman and G.B. Baker (Australia)
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Populations of surface-nesting seabirds at Marion Island, 1994/95 to 2002/03
gentoo penguins Pygoscelis papua, eastern rockhopper penguins Eudyptes chrysocome filholi, Crozet shags ... attributed to an altered availability of food. Decreases in numbers of dark-mantled sooty albatrosses ... and possibly northern giant petrels M. halli may have resulted from mortality of birds in longline ... in numbers of king penguin chicks surviving to the end of winter. Author(s): R.J.M. Crawford, J ...
Meeting Document : WG-EMM-03/8 : Auteur(s): R.J.M. Crawford, J. Cooper, B.M. Dyer, M.D. Greyling, N.T.W. Klages, P.G. Ryan, S.L. Petersen, L.G. Underhill, L. Upfold, W. Wilkinson, M.S. de Villiers, S. du Plessis, M. du Toit, T.M. Leshoro, A.B. Makhado, M.S. Mason, D. Merkle, D. Tshingana, V.L. Ward and P.A. Whittington (South Africa)
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Request for removal of the vessel bearing IMO No. 9319856 from the NCP-IUU Vessel List
Pescacisne I in Chile's Registry of Large Vessels, has been on CCAMLR's NCP-IUU vessel list since ... the vessel, namely Eastern Holdings Limited and High Mountain Overseas S.A. Chile, as a Member of ... be removed from the NCP-IUU vessel list, based on the fact that the conditions stated in paragraph 18 ... of Conservation Measure 10-07 (2016) are met, which the information contained in this application ...
Meeting Document : CCAMLR-XXXVII/BG/38 : Auteur(s): Delegación de Chile
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Mincing, mealing and batching: waste management strategies aimed at reducing seabird interactions with trawl vessels
trip compared three treatments (1) mincing all waste (2) discharging unprocessed waste and (3) mealing ... treatment (4) where waste was held and discharged in batches. The response to the experimental treatments ... seabirds. In contrast, mealing all waste had a marked effect on several of the bird groups. In particular ... observations on the second trial, the minced treatment suggested a reduction in the numbers of all albatross ...
Meeting Document : WG-FSA-07/42 : Auteur(s): E. Abraham and J. Pierre (New Zealand)
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Informe sobre la operación del B/P nasero Viking Sky durante Setiembre–Octubre del 2001: Atlántico sudoccidental (latitudes 37°–38° sur y 42° sur) Área estadística 41
Devincenzi in 1924, and it is usually found by fishing trawlers between 900 m and 1200 m of depth, along the ... ” performed this fishing trip between the 2 of september to the 11 of october of 2001, with a Scientific ... Observer from DINARA on board. The ship looked for fishing zones both in uruguayan and international waters ... 86.00 cm The majority of the sampled individuals of both sexes were determined in the grade 2 of gonadic ...
Meeting Document : WG-FSA-02/66 : Auteur(s): O.D. Pin y H. Nión (Uruguay)
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Extinction risk of Antarctic and sub-Antarctic colonies of Pygoscelid penguins under climate change context
different colonies around Antarctica. In this study, the extinction risk of Adélie, Chinstrap and Gentoo ... penguins was evaluated in order to identify the most endangered colonies under present-day and future ... intraspecific competition appears as the most important endogenous factor in all colonies. In turn, the response ... reduction of carrying capacity is mediated by a decrease in food availability and appears as key factor for ...
Meeting Document : WG-EMM-2019/74 : Auteur(s): M. Huerta and S.A. Estay