Resultados de la búsqueda
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Population assessment of Antarctic toothfish in Subarea 48.4 using tag-recapture method
Abstract: The stock of Antarctic toothfish in the CCAMLR subarea 48.4 was estimated using as the ... Petersen method as 640 tonnes. Application of the harvest rate used for D. eleginoides in Subarea 48.3 (γ ... = 0.038) gives yields of 24 t for the Antarctic toothfish in the region vs. previous estimation of 30 ... tonnes. Author(s): V. Laptikhovsky (United Kingdom) Title: Population assessment of Antarctic toothfish ...
Meeting Document : WG-FSA-13/64 : Autor(es): V. Laptikhovsky (United Kingdom)
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Acoustic monitoring and evaluation of krill in the Antarctic ecosystem Bransfield Strait and around Elephant Island during ANTAR XXI and XXII, aboard RV Humboldt, Peru
Abstract: Monitoring and hydroacoustic assessment of the distribution and biomass of krill ... multifrequency 120 and 38 kHz, respectively. This system is calibrated according to the procedure of ICES. For ... from the surface to 20 m deep. A wide distribution of krill in the study area, the highest densities ... ²). The estimations of hydroacoustic biomass krill by the method of Distorted Stochastic Approximation ...
Meeting Document : WG-EMM-16/76 : Autor(es): R. Cornejo, M. Flores and J. Zuzunaga
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Revised continuation proposal of multi-Member research on Patagonian toothfish (Dissostichus eleginoides) exploratory fishery in 2018/19 in Division 58.4.3a by France and Japan
Abstract: France and Japan revised a research plan to continue investigating the populations of ... achieve a robust stock assessment. We present here a proposal for the continuation of the research plan as ... of revised points from WG-SAM-18/08 is as follows: Updates the timeline table of milestones Track ... changes of milestones Summary of previous recommendations by WGs and SC (Annex 1). Author(s): Delegations ...
Meeting Document : WG-FSA-18/61 : Autor(es): Delegations of France and Japan
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Guidelines for the Administration of the General Capacity Building Fund
Abstract: One of the outcomes of the Capacity-Building Workshop hosted by South Africa was the ... development of the applicable pro-forma and draft Deed of Funding. These documents are attached. Author(s ... ): CCAMLR Secretariat Title: Guidelines for the Administration of the General Capacity Building Fund ...
Meeting Document : CCAMLR-38/BG/19 : Autor(es): CCAMLR Secretariat
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Distribution and ecology of Chaenocephalus aceratus (Channichthyidae) around South Georgia and Shag Rocks (Southern Ocean).
Abstract: Chaenocephalus aceratus (Family Channicthyidae) is one of the dominant species of ... Rock shelves although few fish were caught at Shag Rocks. Analysis of length frequency data indicated ... of 440 mm TL and 520 mm TL. The diet was comprised of fish and crustaceans, with an ontogenetic shift ... different from the other species of channichthyids around South Georgia to suggest that these species have ...
Meeting Document : WG-FSA-07/P5 : Autor(es): W.D.K Reid, S. Clarke, M.A. Collins and M. Belchier. (Polar Biol., 30 (12): 1523–1533 (2007))
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A study of Patagonian toothfish (Dissostichus eleginoides) post tagging survivorship in Subarea 48.3
Abstract: During the 2005 fishing season experiments on the survivorship of post-tag toothfish ... , and then were kept in tanks with varying degrees of seawater replacement for at least 12 hours after ... tagging. On one vessel fish with a variety of injuries were selected to see if this affected recovery. 395 ... animals were included in the final analysis, with an overall survivorship of 89%. There were significant ...
Meeting Document : WG-FSA-05/19 : Autor(es): D. J. Agnew, J. Moir Clark, P.A. McCarthy, M. Unwin, M. Ward, L. Jones (United Kingdom), G. Breedt, S. Du Plessis, J. Van Heerdon (South Africa) and G. Moreno (Spain)
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Development of the acoustic survey database
submitted to CCAMLR. This database is ‘event-driven’ – i.e. each survey can be characterized by a series of ... events (eg trawl, CTD, acoustic etc) and each event has a set of measurements (eg amount caught ... , conductivity at depth, density estimate etc). The development of the trawl survey components has been reported ... developments to date, WG-FSA’s Subgroup on Fisheries Acoustics (WG-FSA-SFA) has discussed the possibility of ...
Meeting Document : WG-EMM-04/18 : Autor(es): Secretariat
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An exploratory analysis of skate speciation using DNA identification techniques
Abstract: Two regions of the mitochondrial DNA, part of the cytochrome b gene and the control ... region, were sequenced in specimens of Antarctic skates from the Ross Sea (Pacific Ocean sector), the ... Islands (Atlantic Ocean sector). Based on the DNA results, the species of Bathyraja referred to as B ... common to the Atlantic and Pacific (Ross Sea) Ocean sectors. Two specimens of B. maccaini from the ...
Meeting Document : WG-FSA-04/27 : Autor(es): P.J. Smith and S.M. McVeagh (New Zealand)
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Fine-scale genetic investigation into Patagonian toothfish structure within the west Indian Ocean sector of the Southern Ocean
Abstract: Molecular markers were employed to investigate the fine-scale stock structure of ... Patagonian toothfish in the west Indian Ocean sector of the Southern Ocean. Four collections of toothfish ... genetically using two fragments of mtDNA and seven nuclear microsatellite loci. MtDNA haplotype diversity was ... sub-structuring among the collections. Genetic variance estimates of both mtDNA (?ST=-0.016) and ...
Meeting Document : WG-FSA-03/66 : Autor(es): S.A. Appleyard, R. Williams and R.D. Ward (Australia)
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Proposal to allow daytime setting of longlines between 15 and 30 April in the Patagonian toothfish longline fishery in CCAMLR Statistical Division 58.5.2
both of the longline vessels that operate in this fishery and in several seasons, and that no birds ... have been caught during this period. It proposes that the current restriction of night-setting only be ... removed and that daylight setting of longlines be allowed during the pre-season extension period, subject ... to the continuation of the current total catch limit of three birds per vessel applicable to the ...
Meeting Document : WG-IMAF-11/07 : Autor(es): I. Hay (Australia)