Search results
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Interaction of sperm whales with bottom longline and the Mammal and Bird Excluding Device (MBED) operation in the Patagonian toothfish (Dissostichus eleginoides) fishery in the southwestern Atlantic
the toothfish fishery (Dissostichus eleginoides) carried out by longline fishing vessels operating in ... two different fishing zones at 40º and 50º latitudes in the Southwestern Atlantic from March to May ... 2007. 62 hauls were performed in the northern zone (latitude 40º 00’ S), while 41 hauls were performed ... in the southern zone (latitude 50º 00’ S) at an average depth of-1282 m. 57.2% of the total number of ...
Meeting Document : WG-FSA-07/23 : Author(s): O. Pin and E. Rojas (Uruguay)
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Revised research plan for toothfish in Divisions 58.4.4a and 58.4.4b by the Shinsei Maru No. 3 in 2010/11
Abstract: In order to clarify the stock status and biological characteristics of Dissostichus spp ... . In Division 58.4.4 a & b, we proposed the research plan for toothfish in the Division by Shinsei ... Maru No. 3 to be conducted throughout the whole four SSRUs (A-D) in the Division in April-June 2011 in ... the WG-SAM 2010 meeting. However, during the first survey in 2009/10, when the research was surveyed ...
Meeting Document : WG-FSA-10/49 : Author(s): Delegation of Japan
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The role of fish in the Antarctic marine food web: differences between inshore and offshore waters in the southern Scotia Arc and west Antarctic Peninsula
Abstract: The role of fish in the Antarctic food web in inshore and offshore waters is analysed ... feed on zooplankton (mainly krill in summer), and are links between lower and upper levels of the food ... important role in the energy flow from macrozooplankton to higher trophic levels (seabirds and seals ... ). Through the higher fish predators, energy is transferred to land in the form of fish remains, pellets ...
Meeting Document : WG-FSA-02/6 : Author(s): E. Barrera-Oro (Argentina)
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Reports on stock status and biological information on toothfish obtained from the scientific research survey by Shinsei Maru No. 3 in 2009/10 in the SE sector of Division 58.4.3b
Abstract: In accordance with the Conservation Measure 41-07 (2009), a survey was conducted in ... order to collect information for the stock status and biological information on toothfish in the ... was 15.9 tonnes in the SE sector, where the catch limit of 18 tonnes was set. Dissostichus spp. Made ... up 16 % in number and 87.5 % in weight of the whole fish caught, while Macrourus spp. Made up 81% in ...
Meeting Document : WG-FSA-10/45 : Author(s): K. Taki, M. Kiyota and T. Ichii (Japan)
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Preliminary reports on stock status and biological information on toothfish obtained from the scientific research survey by Shinsei Maru No. 3 in 2009/10 in the SE sector of Division 58.4.3b
Abstract: In accordance with the Conservation Measure 41-07 (2009), a survey was conducted in ... order to collect information for the stock status and biological information on toothfish in the ... was 15.9 tonnes in the SE sector, where the catch limit of 18 tonnes was set. Dissostichus spp. Made ... up 16 % in number and 87.5 % in weight of the whole fish caught, while Macrourus spp. Made up 81% in ...
Meeting Document : WG-SAM-10/13 : Author(s): K. Taki, M. Kiyota and T. Ichii (Japan)
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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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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