Résultats de la recherche
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Rapports de pêcherie 2016
) Exploratory fishery for Dissostichus spp. in Subarea 88.1 Rapport de pêcherie 2016: Pêcherie exploratoire ...
Page : Site Section: Publications
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Conserving pattern and process in the Southern Ocean: designing a marine protected area for the Prince Edward Islands
management zones: four IUCN Category Ia reserves (13% of EEZ); two Conservation Zones (21% of EEZ); and three ... : designing a marine protected area for the Prince Edward Islands Approval: Approved ... minimizing conflict with the legal toothfish fishery. After collating all available distributional data on ...
Meeting Document : CCAMLR-XXV/BG/16 : Auteur(s): Delegation of South Africa
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Fatty acid signature analysis from the milk of Antarctic fur seals and southern elephant seals from South Georgia: implications for diet determination
misleading. This study examined fatty acid profiles in milk from two species of pinniped from the Southern ... acids 16:4 n1, 18:2 n6, 18:4 n3, 18:4 n1 and 20:5 n3 and by higher levels of 18:0, 18:1 n9/ n11 (i.e. 18 ... :1 n9 co- eluting with 18:1 n11) and 20:1 n9. Fatty acid signatures from the milk of Antarctic fur ... diet for Southern elephant seals. Author(s): D.J. Brown, I.L. Boyd, G.C. Cripps and P.J. Butler ...
Meeting Document : WG-EMM-99/44 : Auteur(s): D.J. Brown, I.L. Boyd, G.C. Cripps and P.J. Butler (United Kingdom)
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Research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Subarea 48.6
by all effective vessels were analyzed for the improvement of stock assessment in the research blocks ... . The stock sizes for five research blocks (48.6_1, 48.6_2, 48.6_3, 48.6_4 and 48.6_5) were estimated by ... using the CPUE method (using Division 88.2H as a reference area) for Dissostichus mawsoni in block ... 48.6_2. However, the estimates using the Petersen estimator were two-three times larger than those using ...
Meeting Document : WG-SAM-15/06 : Auteur(s): Delegation of Japan
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Age-structured production model for toothfish at South Georgia
model. Revisions to the selectivity model this year have led to an ASPM with superior performance ... was fitted for all years, the change to the new selectivity function improved the fit to length ... selectivity parameters allowed to be estimated on an annual basis the fits are substantially improved. However ... frequency data achieved last year, but the fit was still poor. The fit to the CPUE was also poor. With ...
Meeting Document : WG-FSA-SAM-05/18 : Auteur(s): A. Payne, G.P. Kirkwood, R. Hillary and D.J. Agnew (United Kingdom)
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Krill biomass estimates for South Georgia, December and January 1996/97
conducted within two 80 x 100 km areas over the shelf-break to the north-east and north-west of South ... krill biomass for each transect. Transect values were used to derive weighted mean (and variance ... (18.44) for the eastern and western boxes respectively. These mean density values were similar to those ... , J.L., Brierley, A.S. Title: Krill biomass estimates for South Georgia, December and January 1996/97 ...
Meeting Document : WG-EMM-97/48 : Auteur(s): Goss, C., Watkins, J.L., Brierley, A.S.
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The efficacy of video-based electronic monitoring technology for at-sea monitoring of the halibut longline fishery
combined EM-based monitoring for the halibut fishery should be continued using two approaches: an ... among half the species for determination of an EM species identification capability. Close agreement ... on the 2002 British Columbia halibut longline fishery to evaluate the feasibility of EM as an ... groupings, and the 15 fish most abundant species accounted for 98% of the catch. Data from fishing trips ...
Meeting Document : WG-FSA-03/100
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DEVELOPMENT OF A METHODOLOGY FOR DATA QUALITY ASSESSMENT
quality measures for other data sets to group trips on the basis of their overall data quality. Ongoing ... 's Law for the distribution of the first significant digit, whether length-frequency data have been ... assist in assessing which data from a trip should be used in an assessment, and can also guide how these ... development of this method is intended to provide a consistent basis for selecting the tagging data set that ...
Meeting Document : WG-SAM-08/13 : Auteur(s): D.A.J. Middleton and A. Dunn (New Zealand)
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A spatially explicit population dynamics operating model for Antarctic toothfish in the habitable depths of the Ross Sea region
Abstract: We present a spatially explicit age-structured population dynamics operating model for ... Antarctic toothfish in the Ross Sea region, for a medium scale spatial resolution (189 spatial cells ... % of the depth is deemed suitable as habitat for toothfish (120 cells – semi-restricted model), and ... considered suitable habitat for toothfish (unrestricted model). The semi-restricted model provides a ...
Meeting Document : WG-FSA-13/53 : Auteur(s): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)
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Use of the Leslie stock depletion model for the assessment of local abundance of Patagonian toothfish (Dissostichus eleginoides)
Paper Title: Use of the Leslie stock depletion model for the assessment of local abundance of ... used to examine local patterns in catch per unit effort (CPUE) in the longline fisheries for Patagonian ... in localised areas for periods of at least three days. The results suggest that there is greater ... potential for application of the model in some areas than in others, but in general there is no sufficiently ... to fisheries for D. eleginoides off the Pacific coast of Chile. An experimental approach similar to ... the 1993/94 season. This was an attempt to provide suitable data for a series of local estimates of ... for them to be modelled using the linear regression. An alternative explanation which should be ... ) since 1989. Vessels from the former Soviet Union dominated the fishery for the first three years ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 55–77 : Auteur(s): Parkes, G., C.A. Moreno, G. Pilling and Z. Young