Résultats de la recherche
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Progress report on the joint research for Dissostichus spp. in Subarea 88.3 by the Republic of Korea and New Zealand and notification of research in 2018/19
–883_5. Due to extreme ice conditions covering the southern part of 88.3, the Janas (NZL) was not able to ... conduct its part of the survey. The total catch of D. mawsoni was 38,856 kg comprised of 1,380 individuals ... in blocks 883_3 and 883_4 showed similar values of 0.1369 and 0.1466 kg/hook, research block 883_5 ... per tonne and 72%. The length frequency of D. mawsoni exhibited a bimodal distribution with modes near ...
Meeting Document : WG-SAM-18/05 : Auteur(s): Delegations of the Republic of Korea and New Zealand
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On possible influence of continuous krill fishing technology with the use of ‘air-bubbling suspension system’ on ecosystem elements
, accompanied by introduction of highly intensive fishing and processing technologies call for studying the ... fishery influence on ecosystem components beyond the framework of traditional investigations of predator ... of studying the krill fishing technology. It is just trawl design and fishing method that will ... determine catchability, selectivity and ecological compatibility of the gear during the fishery and ...
Meeting Document : WG-EMM-06/27 : Auteur(s): S.M. Kasatkina and V.A. Sushin (Russia)
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Spatial and temporal variability in the fish diet of Antarctic fur seal Arctocephalus gazella in the atlantic sector of the southern ocean
Abstract: The spatial and temporal variability in the fish component of the diet of Antarctic fur ... seals Arctocephalus gazella (Peters 1975) in the Atlantic sector of the Southern Ocean was examined ... habitat/topography. The absence of formerly harvested fish species indicates a lack of recovery of stocks ... of Notothenia rossii (Richardson 1844) at South Georgia and Champsocephalus gunnari (Lönnberg 1905 ...
Meeting Document : WG-EMM-06/P5 : Auteur(s): K. Reid, D. Davis, I.J. Staniland (United Kingdom)
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Report of ACAP Working Group on Status and Trends Agreement on the Conservation of Albatrosses and Petrels – Status and Trends Working Group
Abstract: 1. The first Session of the Meeting of the Parties (MOP1) of the Agreement on the ... Conservation of Albatrosses and Petrels (ACAP) agreed to review the population status, trends and demography of ... albatrosses (21 species) and petrels (seven species) listed on Annex 1 of the Agreement (MOP1 Final Report ... aim of collecting and collating information on breeding numbers and critical population and ...
Meeting Document : WG-FSA-06/40
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A review of rattail (Macrourus spp.) and skate by-catch and analysis of standardised CPUE, for the exploratory fishery in the Ross Sea (CCAMLR Subareas 88.1 and 88.2) from 1997/98 to 2004/05
Abstract: A standardised CPUE analysis was used to determine factors affecting bycatch rates of ... were vessel, area, and depth. Catch rates of rattails were highest along the shelf edge (SSRUs 88.1E ... , 88.1I, 88.1K and 88.2E) in depths from 600 to 1000 m, and there was an order of magnitude difference in ... rattail catch rates between different vessels. Examination of vessel characteristics showed that catch ...
Meeting Document : WG-FSA-05/24 : Auteur(s): S.L. Ballara and R.L. O’Driscoll (New Zealand)
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Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia
Abstract: This paper investigates the influence of mixing of fish, and the uneven distribution of ... linear model of the South Georgia toothfish fishery, simulating fish movements within this system and ... overlaying various combinations of tagging and recapture effort to investigate bias. The fishable grounds ... uneven distribution of animals was simulated by adjusting an average movement rate downwards when animals ...
Meeting Document : WG-FSA-SAM-05/6 Rev. 1 : Auteur(s): D.J. Agnew, G.P. Kirkwood, J. Pearce and J. Clark (United Kingdom)
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Assessing the feasibility of regional surveys of land-based predator abundance in the Southern Ocean: a framework for decision making and planning
Abstract: In 2000 WG-EMM discussed the need for region-wide and circum-Antarctic estimates of ... abundance of land-based predators. At the 2001 meeting of WG-EMM it was proposed that a workshop be held in ... 2002 to assess the feasibility of such broad-scale surveys, and a small intersessional correspondence ... group was formed to scope out the terms of reference and method of operation for the workshop. The ...
Meeting Document : WG-EMM-02/45 : Auteur(s): C. Southwell (Australia)
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Assessment of yield and status of Macrourus carinatus on BANZARE Bank in the southern Indian Ocean: implications for managing by-catch in CCAMLR fisheries
Abstract: This paper assesses the status and abundance of M. carinatus on BANZARE Bank ... Model (GYM) used previously by the CCAMLR Working Group on Fish Stock Assessment. Estimates of ... elsewhere in the world. The trawl survey data was used to calculate estimates of biomass and density for the ... area and showed that M. carinatus did not appear to be aggregated over any part of BANZARE Bank. The ...
Meeting Document : WG-FSA-99/69 : Auteur(s): E.M. van Wijk, A.J. Constable, R. Williams and T. Lamb (Australia)
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Revision of biological and population parameters for Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a comprehensive survey of fishing grounds and recruitment areas in the region
Abstract: Based on a survey of Dissostichus eleginoides in the Heard Island region in April 1999 ... ) to provide an assessment of biomass and stock structure in the vicinity of Heard, (ii) to examine the ... of Dissostichus eleginoides at Heard Island in the southern Indian Ocean and South Georgia Island in ... slower growing than those at South Georgia. This raises questions as to the appropriateness of the ...
Meeting Document : WG-FSA-99/68 : Auteur(s): A.J. Constable, R. Williams, T. Lamb and E. van Wijk (Australia)
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DEVELOPMENT OF A REGISTRY OF VULNERABLE MARINE ECOSYSTEMS IN THE CONVENTION AREA
Abstract: Conservation Measure (CM) 22-06 requires the Secretariat to maintain an inventory of ... fishery and their Flag States of the location of VME risk areas and fine-scale rectangles. The Secretariat ... has established an interim VME registry for archiving notifications of encounters with VMEs during the ... course of research surveys (CM 22-06) and VME-indicator notifications from fishing vessels (CM 22-07 ...
Meeting Document : WG-FSA-09/06 : Auteur(s): Secretariat