Résultats de la recherche
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Influence of data quality and quantity from a multiyear tagging program on an integrated fish stock assessment
, particularly the effects of the size of tagged fish compared with the size of fish in the catch (tag size ... data as auxiliary data, and stock depletion levels. Biomass estimates generally improved with more and ... relatively large number of size classes, low recapture numbers collected in short tagging programs with a 100 ... % tag size-overlap were sufficient for robust and unbiased assessments. Particularly in the early stages ...
Meeting Document : WG-FSA-13/P03 : Auteur(s): P. Ziegler
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e-sc-iv-a6.pdf
... , with little or no between-haul searching. The length of haul is adjusted to the catch rate, so that ... research vessels to locate fishing vessels in areas of high krill abundance. At present, problems with ... distribution and krill population dynamics; (b) Develop a model of fishing with the capacity to simulate a ... various measures of CPUE with changes in simulated krill abundance; (d) In addition, examine how catch
application/pdf attached to:WS-KCPUE-85
Meeting Report : WS-KCPUE-85
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Population change in gentoo penguins Pygoscelis papua at South Georgia: potential roles of adult survival, recruitment and deferred breeding
years were associated with reduced availability of krill, one with very cold winter and spring ... one year, and for part of the differences in two other years, when mortality rates must also have been ... , South Georgia from 1977-1992 are used, in conjunction with empirical (and some hypothetical) data on ... higher. In the remaining year, when the increase in population greatly exceeded the preceding decrease ...
Meeting Document : WG-CEMP-93/08 : Auteur(s): J.P. Croxall and P. Rothery (United Kingdom)
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Survey design to estimate krill abundance during FIBEX
echosignals or from examination of echocharts with respect to integrator output. 4. The operating frequency ... information indicated that krill would be distributed northwards from the pack ice zone (Marr 1962 ... ; Mackintosh 1973) with the abundance decreasing rapidly some distance from the ice edge. 3.2 Selection of ... coincide with a periodicity in the krill distribution, is eliminated. 4. By taking account of the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 253–263 : Auteur(s): Everson, I., I. Hampton and G.M. Jolly
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WG-FSA-11
) WG-FSA-11/31 Rev. 2 Summary of a three year mark-recapture experiment to estimate population size of ... with overlapping distributions around the South Sandwich Islands, Southern Ocean J. Roberts, J. Xavier ... Division 58.4.3b by Shinsei Maru No.3 in 2010/11 and proposal of the consecutive survey in 2011/12 K. Taki ... on toothfish in Division 58.4.4 a and b by Shinsei Maru No. 3 in 2010/11 season K. Taki, T. Iwami and ...
Meeting
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The morphology of Antarctic toothfish (Dissostichus mawsoni Norman 1937) males and females and new data on its gonad structure in the Ross Sea in the summer period
females with ovaries on the early III stage of maturity were dominated (47.0%), and males with testis on ...
Meeting Document : WG-FSA-07/38 Rev. 2 : Auteur(s): S.V. Piyanova and N.V. Kokorin (Russia)
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Progress report of the CEMP camera network in Subarea 48.1
Network in Subarea 48.1”. The project was initiated with support from the CEMP Fund in 2014/15. The ... project is now running, with 53 time-lapse cameras installed throughout Subarea 48.1. Installation of ... cameras was conducted mainly during the 2015/16 field season. However, early installation and/or inclusion ...
Meeting Document : WG-EMM-16/58 : Auteur(s): J. Hinke, G. Watters, M. Santos, M. Korczak-Abshire, G. Milinevsky, A. Barbos, C. Southwell and L. Emmerson
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WG-FSA-99
Convention Area during the 1998/99 season Secretariat WG-FSA-99/12 Summary of observations on compliance with ... , South Shetland Islands, after the decrease associated with commercial fishing in the area E.R. Barrera ... between giant petrels Macronectes spp. and its relationship with breeding population changes at Bird ... tracking of white-chinned petrels and comparison with other Procellariiformes A. Catard and H. Weimerskirch ...
Meeting
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CCAMLR Strengthens Marine Conservation in Antarctica
establishment of MPAs. This year four proposals were submitted to the Commission by CCAMLR Members for the ... accordance with the ‘ecosystem approach’ is embodied in Article II of the CAMLR Convention, which was ... estimated 40,000 tonnes per year in the 1990s to less than 2,000 tonnes in 2010/2011. Protection of ... , developed by Members over several years by the Commission’s Scientific Committee and its Working Groups ...
Page : Site Section: The Organisation
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CCAMLR Strengthens Marine Conservation in Antarctica
establishment of MPAs. This year four proposals were submitted to the Commission by CCAMLR Members for the ... accordance with the ‘ecosystem approach’ is embodied in Article II of the CAMLR Convention, which was ... estimated 40,000 tonnes per year in the 1990s to less than 2,000 tonnes in 2010/2011. Protection of ... , developed by Members over several years by the Commission’s Scientific Committee and its Working Groups ...
Page : Site Section: The Organisation