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A PROPOSED MANAGEMENT PROCEDURE FOR THE TOOTHFISH (Dissostichus eleginoides) RESOURCE IN THE PRINCE EDWARD ISLANDS VICINITY
recommendations for this resource. The MP uses two data sources: the recent trend in longline CPUE and the mean ... implementation based upon the results of the trials. Given the importance of an adequate catch rate for the ... Abstract: Four Operating Models (OMs) reflecting an “Optimistic”, “Intermediate”, “Less ... Pessimistic” and a “Pessimistic” current status for the toothfish resource in the Prince Edward Islands region ...
Meeting Document : WG-SAM-08/11 : Autor(es): A. Brandão and D.S. Butterworth (South Africa)
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Availability of resources for activities
financial resources over coming years. In addition, it appears that the growth in fishing operations (if not ... for finfish then certainly for krill) will continue. In these circumstances, the RP saw significant ... merit in the Commission seeking to expand its financial base through identifying and charging for the ... full cost of services which are provided for commercial fishing operations. This will require the ...
Page : Site Section: The Organisation
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Conserving pattern and process in the Southern Ocean: designing a marine protected area for the Prince Edward Islands
minimizing conflict with the legal toothfish fishery. After collating all available distributional data on ... 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 ...
Meeting Document : CCAMLR-XXV/BG/16 : Autor(es): 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 ... fur seals (Arctocephalus gazella) in 3 consecutive years, from 1991- 1993 (n=72) and from 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 ...
Meeting Document : WG-EMM-99/44 : Autor(es): 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 ... . Based on the result, the next three-season (2016-18) research plan in Subarea 48.6 is also presented ... . 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 ...
Meeting Document : WG-SAM-15/06 : Autor(es): Delegation of Japan
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Age-structured production model for toothfish at South Georgia
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 ... model. Revisions to the selectivity model this year have led to an ASPM with superior performance ... reaches preset parameter boundaries. With one or two parameters of the selectivity estimated only once the ...
Meeting Document : WG-FSA-SAM-05/18 : Autor(es): 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 ... to be attributable to krill were identified on the basis of the difference between mean volume ... 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 ...
Meeting Document : WG-EMM-97/48 : Autor(es): 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 ... on the 2002 British Columbia halibut longline fishery to evaluate the feasibility of EM as an ... among half the species for determination of an EM species identification capability. Close agreement ... alternative to observer-based at-sea monitoring. EM systems were deployed on 59 regular halibut 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 : Autor(es): 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 : Autor(es): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)