Search results
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The Australian exploratory toothfish fishery in CCAMLR Division 58.4.2 and Subdivision 58.4.3b in season 2003/04
Dissostichus sp. in CCAMLR Divisions 58.4.3b (BANZARE Bank) and Division 58.4.2 in the 2003/04 season. The ... results of the fisheries in Division 58.4.2 and Division 58.4.3b are summarised. Between 12 December 2003 ... and 23 December 2003, the Australian vessel, Eldfisk undertook exploratory longline fishing in ... . Between 6 and 25 January 2004, the vessel undertook exploratory longline fishing in Division 58.4.2 ...
Meeting Document : WG-FSA-04/66 : Author(s): D. Erceg and E. van Wijk (Australia)
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Revised research plan for toothfish in Division 58.4.4 b by Shinsei maru No. 3 in 2014/15
Abstract: In this document, we revise stock status assessments of D. eleginoides in research ... using CASAL models in research block C are described in a separated document. The estimated stock size ... in block C was 709, 401 and 850 tonnes in CPUE analogy method, Petersen method and CASAL Len_1 model ... (vulnerable biomass in 2013), respectively. The stock sizes of D. eleginoides in block D is estimated at 948 ...
Meeting Document : WG-FSA-14/21 : Author(s): Delegation of Japan
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Revised research plan for toothfish in Division 58.4.4 a and b by Shinsei Maru No. 3 in 2011/12
Abstract: A tagging survey in SSRUs B and C in Division 58.4.4 a & b was initiated in the ... structure, size, movement and growth of Dissostichus spp. in the centred area of Division 58.4.4 a & b ... . An approximate stock biomass level of Dissostichus spp. in the survey area (SSRUs B and C in Division ... analyzed at WG-FSA in 2010 (1580 and 3036 ton), although the 95 % confidence intervals were wide due to ...
Meeting Document : WG-FSA-11/15 Rev. 1 : Author(s): K. Taki, T. Iwami and M. Kiyota (Japan)
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Results of the groundfish survey carried out in CCAMLR Subarea 48.3 in January 2010
Abstract: In January 2010, the UK carried out the annual groundfish survey in CCAMLR Sub-Area ... , representing an increase in effort overall compared with surveys carried out in 2008 and 2009 on the same ... dominated the population, 2+ and 1+ sized fish were also present, and in larger proportions than in 2009. A ... and low availability of krill to mackerel icefish in the area (evidenced by dietary analysis) in 2009 ...
Meeting Document : WG-FSA-10/38 : Author(s): R.E. Mitchell, M. Belchier, S. Gregory, L. Kenny, J. Nelson, J. Brown and L. Feathersone (UK)
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DEVELOPMENT OF EFFECTIVE MITIGATION TO REDUCE SEABIRD MORTALITY IN THE ICEFISH (CHAMPSOCEPHALUS GUNNARI) TRAWL FISHERY IN SUBAREA 48.3
Abstract: Seabird mortality levels caused by net entanglement in the icefish trawl fishery in ... Subarea 48.3 became a concern in the late 1990s. At this time there was little knowledge on how to ... introduced for Subarea 48.3 in 2001. This provided a strong commercial incentive for industry to develop ... measures to reduce seabird bycatch levels. This resulted in the development and operational trialing of ...
Meeting Document : WG-IMAF-09/15 : Author(s): B. Sullivan (BirdLife International), J. Clark (United Kingdom), K. Reid (Secretariat) and E. Reid (BirdLife International)
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Mitigation of Macrourus by-catch in research block 58.4.1_6 and estimation of Macrourus biomass and sustainable catch in Divisions 58.4.1 and 58.4.2
Abstract: Macrourus spp. are the major by-catch species in the exploratory toothfish fishery in ... exploratory fishing for D. mawsoni on Macrourus spp. in Division 58.4.1 and 58.4.2 in general and in research ... block 58.4.1_6 in particular. We investigate the distribution of D. mawsoni and Macrourus spp. catch ... rates in research block 58.4.1_6, and conclude that the current research grid includes fishing locations ...
Meeting Document : WG-FSA-17/23 : Author(s): D. Maschette, P. Burch, P. Yates and P. Ziegler
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Variability in krill length distribution in 48.1 derived from data collected by scientific observers
Abstract: Information on the length distribution of krill in the catch, and the spatial and ... temporal patterns of krill length in the population is essential to assess krill population status and ... generalised additive mixed models (GAMM) to evaluate the spatial and temporal patterns of length in Antarctic ... krill (Euphausia superba) in CCAMLR Subarea 48.1 derived from data collected by scientific observers ...
Meeting Document : WG-EMM-15/16 : Author(s): P. Ziegler, S. Kawaguchi D. Welsford and A. Constable (Australia)
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Research plan for toothfish in Division 58.4.4a & b by Shinsei Maru No. 3 in 2013/14
Abstract: We made stock status assessments of Dissostichus eleginoides in SSRUs C and D in ... zero to all observed IUU fishing, and using constant YCS (year class strength) in SSRU C. The ... quarter of observed IUU fishing in the division had occurred in SSRU C. High estimated stock levels were ... modified Lincoln-Petersen (446 tonnes). The catch and tagging data in SSRU D were not enough to be applied ...
Meeting Document : WG-SAM-13/21 : Author(s): Delegation of Japan
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The results of investigations of the feeding of Antarctic toothfish D. mawsoni in the Ross Sea in 2005/06
December to March during the two fishery seasons (2004-2005 and 2005-2006) in different fishing areas of ... the Ross Sea located between 67°S to 76°S. 192 longline settings were made. In total, over two seasons ... 3000 stomachs (1913 stomachs in 2005 and 1087 ones in 2006) were analyzed. In 2005 fish was caught at ... to 123 kg. In 2006 Antarctic toothfish was caught at depths of 478-1702 m and its TL ranged from 49 ...
Meeting Document : WG-FSA-06/17 : Author(s): A.F. Petrov (Russia)
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Revised research plan for toothfish in Division 58.4.4 a & b by Shinsei maru No. 3 in 2013/14
Abstract: We revised stock status assessments of D. eleginoides in SSRUs C and D using ... . Detailed results using CASAL models in SSRU C are described in a separated document. The catch and tagging ... data in SSRU D were not enough to be applied to modified Lincoln-Petersen and CASAL models. Thus the ... stock sizes of D. eleginoides in SSRU D is estimated only by using CPUE comparison with the stock size ...
Meeting Document : WG-FSA-13/36 : Author(s): Delegation of Japan