Resultados de la búsqueda
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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 : Autor(es): 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 : Autor(es): E.A. Pakhomov and S.A. Pankratov (Ukraine)
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Management and assessment options for the crab fishery around South Georgia
context of this crab fishery with specific reference to the principles of the CCAMLR Convention. We ... in addition to the 'size-sex-season' controls. Implementation of both sets of controls ... /effort controls also requires estimates of stock abundance, which could be obtained by depletion methods ... . Consideration should also be given to the creation of refuges, though careful attention must be given to their ... restrict total fishing effort. Another management tool which can be used in combination with those ... are highly migratory, the stock structure in the refuge could actually be quite similar to that ... objective can partly be addressed by limiting catch and/or effort to ensure that the fishery does not ... develop at a rate that is incompatible with (i.e., mkch faster than) our ability to assess the stock and ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 193–202 : Autor(es): Basson, M. and D.D. Hoggarth
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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 : Autor(es): A. Dunn, S.M. Hanchet and S.L. Ballara (New Zealand)
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e-sc-viii-a7.pdf
... make counting easier, the priority with this parameter should be on breeding groups that are discrete ... . With respect to Euphausia superba, the Working Group noted that these features would be taken into ... associated with the construction project. It was noted that both the construction project and the ... research protocols that have been developed with the aim of minimising potential disturbance due to
application/pdf attached to:WG-CEMP-89Meeting Report : WG-CEMP-89
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e-sc-xxxiv-a7.pdf
... recruitment variability with a CV = 1.0 for the projections and recommended that alternative approaches be ... which may be less likely to survive. 3.9 The Working Group noted that other options may be available ... be taken before sufficient data are available with which to forecast a closure (paragraphs 4.58 to ... the Commission had endorsed the recommendation that all the data collected by the Yantar 35 be
application/pdf attached to:WG-FSA-15Meeting Report : WG-FSA-15
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e-sc-xxv-a5.pdf
... Group reconsidered last year’s decision that all meeting documents should be distributed as locked pdf ... that meeting documents should be made available on the CCAMLR website and on the meeting server as ... the validation that the assessment results as quoted in the accompanying papers can be reproduced ... that this height above the sea floor could be set to reduce by-catch. The Russian system was also
application/pdf attached to:WG-FSA-06Meeting Report : WG-FSA-06
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e-sc-iv-a6.pdf
... considered that catch and effort data should continue to be collected in accordance with current national ... , with little or no between-haul searching. The length of haul is adjusted to the catch rate, so that ... operations. The group appreciated that research vessel survey data would be likely to provide fisheries ... determining the best methods of approach. The group therefore strongly recommended that a consultant, be
application/pdf attached to:WS-KCPUE-85Meeting Report : WS-KCPUE-85
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e-sc-xix-a4.pdf
... international scientific observers be placed on krill fishing vessels. It noted with pleasure that the ... requested that the questionnaire be sent out again with a strong request for responses particularly from ... participants to Taormina and hoped that the meeting would be successful in furthering the work of WG-EMM. 1.3 ... method by which the results are presented, and the summary information that would be required to
application/pdf attached to:WG-EMM-00Meeting Report : WG-EMM-00
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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 : Autor(es): K.S. Dietrich, K.S. Rivera, V. Cornish and T. Conant (USA)