Résultats de la recherche
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Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea
viewed with transmitted white light provided the clearest growth bands, but reading precision was low ... maximum age was 14 years, but this should be regarded as a conservative estimate of longevity because of ... the possibility that thorn growth ceases in large individuals. Von Bertalanffy growth curves are ... = 70.8(1-e-0.308[t+1.10]), where Lt is the pelvic length (PL) in centimetres at age t. Applying this ...
Meeting Document : WG-FSA-04/29 : Auteur(s): M.P. Francis and C. Ó Maolagáin (New Zealand)
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By-catch of juvenile Antarctic fish from krill (Euphausia superba Dana) fisheries in the South Georgia area, in 1992
the period from May to August) the total elimination of C.gunnari and N.larseni is estimated to be ... % when only tows made in shelf waters were considered. Juvenile fish abundance, normalised to 1 t of ... results obtained from krill fisheries of the Ukrainian fleet in the South Georgia area (35 500 t within ...
Meeting Document : WG-FSA-93/8 Rev. 1 : Auteur(s): E.A. Pakhomov and S.A. Pankratov (Ukraine)
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An updated descriptive analysis of the toothfish (Dissostichus spp.) tagging program in Subareas 88.1 and 88.2 for 2006/07
that assumptions of homogeneous mixing may need to be investigated. For the first time, long distance ... and 88.2 since 2001 are updated. The paper provides a preliminary update of the tag-release and tag ... -recapture data that were presented at the October 2006 meeting of WG-FSA by including data from New Zealand ... vessels and preliminary data for other vessels that fished in 2007. Release and recapture data that ...
Meeting Document : WG-SAM-07/5 : Auteur(s): A. Dunn, S.M. Hanchet and S.L. Ballara (New Zealand)
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Development of best practices for the collection of longline data to facilitate research and analysis to reduce by-catch: report of a workshop held at the International Fisheries Observer Conference
” in observer data collections. The workshop was held in conjunction with the International Fisheries ... on variables that are critical, preferred, optimal, or not important to facilitate research and ... systematically that might facilitate research and analysis to reduce bycatch of protected species. • Coordinate ... with observer program staff to understand data collection limitations. • Recommend best practices for ...
Meeting Document : WG-FSA-05/45 : Auteur(s): K.S. Dietrich, K.S. Rivera, V. Cornish and T. Conant (USA)
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Describing krill: swarms or integration intervals?
Abstract: CCAMLR anticipates that acoustic data collected from krill fishing vessels will be ... research station in the East Antarctic (66 o 25039; S 63 o 14039; E). I found 61 % overlap between the ... -based appraoch was half that of the standard grid-based technique. Whilst additional test data sets are ... required, the techniques presented here can be used to further explore the efficacy of swarm-based analysis ...
Meeting Document : SG-ASAM-17/02 : Auteur(s): M.J. Cox
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Le groupe d'experts sur « la planification spatiale pélagique des zones subantarctiques des domaines de planification 4, 5 et 6 » (PS²456)
recommended that the Scientific Committee consider the creation of an expert group to continue the development ... of MPAs in Planning Domains 5 and 6, using the model established for the D1MPA. It noted that not ... everyone involved in the proposed work was directly involved in the CCAMLR community and requested that ... mechanisms be developed to allow external experts to participate in the expert group. This paper develops the ...
Meeting Document : SC-CAMLR-XXXVII/07 : Auteur(s): A. Makhado, P. Koubbi, A.D. Lowther, F. D’Ovidio, R. Reisinger, P. Pistorious, R. Crawford, P. Trathan and S. Grant
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Foraging zones of the two sibling species of giant petrels in the Indian Ocean throughout the annual cycle: implication for their conservation
giganteus from the Crozet Islands (46°25039;S; 51°51039;E) where the 2 species breed sympatrically and ... Kerguelen Island (49°19039;S; 69°15039;E where Northern Giant petrels breed). Distribution and activity ... higher than interspecific ones, with females showing a greater distribution range than males in both ... months. These results have important conservation implications, with males and females facing different ...
Meeting Document : WG-FSA-12/67 : Auteur(s): L. Thiers, K. Delord, C. Barbraud (France), R.A. Phillips (United Kingdom) and H. Weimerskirch (France)
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Diet of grey-headed albatrosses at the Diego Ramírez Islands, Chile: ecological implications
to that of the sympatric black-browed albatross. Diet composition was inferred from an analysis of ... prey hard parts present in 103 chick regurgitates obtained during breeding seasons 2000, 2001 and 2002 ... . The squid Martialia hyadesi predominated in the diet samples in 2001 and 2002 (89% and 81% of ... significantly lower than in 2001 and 2002. Chick growth rate during 2000 was also the lowest recorded. This ...
Meeting Document : WG-FSA-04/12 : Auteur(s): J. Arata (Chile), G. Robertson (Australia), J. Valencia (Chile), J.C. Xavier (UK) and C.A. Moreno (Chile)
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Adélie penguins foraging behaviour and krill abundance along the Wilkes and Adélie Land coasts, Antarctica
at Shirley Island (SI) near Casey Station and at Petrel Island (PI) at Dumont D039;Urville during ... the 1995/96 breeding season. The study took place in conjunction with a ship-based krill survey in the ... ., Lemaho, Y., Wienecke, B.C., Thomson, R., Lawless, R., Pauly, T., Robertson, G. Title: Adélie penguins ...
Meeting Document : WG-EMM-97/64 : Auteur(s): Kerry, K., Rodary, D., Bost, C., Lemaho, Y., Wienecke, B.C., Thomson, R., Lawless, R., Pauly, T., Robertson, G.
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Revised assessment models for Patagonian toothfish in research block 58.4.4b_1 (SSRU 58.4.4bC) for the years 1990–2014
Group also requested that projections be presented to WG-FSA for this assessment that examine the ... in the revised OB_1b model were estimated to be 71 tonnes, which corresponded 43 % of that (163 ... to the 2008 tag data, along with the IUU selectivity modeled as a double normal function. The Working ... killer whales constantly occurs, the CCAMLR yield should be reduced to 22.5 tonnes. Author(s): K. Taki ...
Meeting Document : WG-FSA-15/23 : Auteur(s): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)