Search results
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The recent decline in recruitment of Gobionotothen gibberifrons in the South Shetland Islands (CCAMLR Subarea 48.1)
Shetland Islands ceased after the 1989/90 season. One of the larger and most abundant species in the area ... ’s. In 2012, the proportion of immature fish (<30 cm) in the population was less than 10 ... %. Recruitment failure was restricted to Elephant Island and the lower South Shetland Islands. Surveys in the ... Antarctic Peninsula in 2006 and in the South Orkney Islands in 2009 demonstrated normal recruitment. What ...
Meeting Document : WG-FSA-12/20 : Author(s): K.-H. Kock (Germany) and C.D. Jones (USA)
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Revised research plan for the exploratory longline fishery for Dissostichus spp. in 2015/16 in Division 58.4.3a
Abstract: In Division 58.4.3a, since 2012, research fishing has been conducted in the research ... limit for Dissostichus spp. is 32 tonnes and the total reported catch up in 2013/2014 was 32 tonnes ... . France notified its intention to continue its exploratory fishery over the coming years in order to ... to progress on the robustness of the CASAL assessment. The biomass in division 58.4.3a was estimated ...
Meeting Document : WG-SAM-15/11 : Author(s): Delegation of France
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Revised research plan for the exploratory longline fishery for Dissostichus spp. in 2015/16 in Division 58.4.3a
Abstract: In Division 58.4.3a, since 2012, research fishing has been conducted in the research ... limit for Dissostichus spp. is 32 tonnes and the total reported catch up in 2013/2014 was 32 tonnes ... . France notified its intention to continue its exploratory fishery over the coming years in order to ... to progress on the robustness of the CASAL assessment. The biomass in division 58.4.3a was estimated ...
Meeting Document : WG-FSA-15/78 : Author(s): A. Rélot-Stirnemann (France)
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Research plan for the exploratory longline fishery for Dissostichus spp. in 2016/17 in Division 58.4.3a by France and Japan
Abstract: In Division 58.4.3a, since 2012, research fishing has been conducted in the research ... limit for Dissostichus spp. is 32 tonnes and the total reported catch up in 2014/2015 was 15 tonnes. A ... technical problem for the French vessel had shortened the fishing campaign. In this proposal, France and ... Japan commonly notifies their intention to continue their exploratory fisheries in Division 58.4.3a over ...
Meeting Document : WG-FSA-16/55 : Author(s): Delegation of France and Japan
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PRELIMINARY ASSESSMENT OF MACKEREL ICEFISH, CHAMPSOCEPHALUS GUNNARI, IN THE VICINITY OF HEARD ISLAND AND MCDONALD ISLANDS (DIVISION 58.5.2), BASED ON A SURVEY IN APRIL 2009, USING THE GENERALISED YIELD MODEL
Abstract: A survey of mackerel icefish, Champsocephalus gunnari, was undertaken in Division ... 58.5.2 in the vicinity of Heard Island in April 2009 to provide the information for an assessment of ... short-term annual yield in the 2009/2010 CCAMLR season. This paper provides a preliminary assessment of ... year class detected in the last two years’ surveys is now fully recruited as the 3+ cohort, and ...
Meeting Document : WG-FSA-09/33 : Author(s): D.C. Welsford (Australia)
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Research plan for the exploratory fishery for Dissostichus spp. in Division 58.4.3a in 2013/14
Abstract: France has notified its intention to participate in the exploratory fishery for ... Dissostichus spp. in Division 58.4.3a in 2013/14. The research plan details the objectives, rationale and ... activities proposed for research fishing, in accordance with Conservation Measures 21-02 and 24-01. Author ... fishery for Dissostichus spp. in Division 58.4.3a in 2013/14 Approval: Approved ...
Meeting Document : WG-SAM-13/08 : Author(s): Submitted by the Secretariat on behalf of France
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Using the EPOC modelling framework to assess management procedures for Antarctic krill in Statistical Area 48: evaluating spatial differences in productivity of Antarctic krill
evaluate management procedures for the Antarctic krill fishery. The key issues to be resolved in the ... development of a harvest strategy are whether (i) spatial differences in the productivity of krill give rise ... to differential affects on predators in different locations, (ii) movement of krill between locations ... ameliorate any local fluctuations in krill abundance and (iii) fishery behaviour could be constrained by ...
Meeting Document : WG-EMM-06/38 Rev. 1 : Author(s): A.J. Constable (Australia)
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Review of the use of survey data and length-at-age models in the assessment of Dissostichus eleginoides in the vicinity of Heard Island and McDonald Islands (Division 58.5.2)
implications of this review to estimating the abundance of juvenile fish using CMIX. In addition, the paper ... examines how the latest length-at-age model for Dissostichus eleginoides (Patagonian toothfish) in 58.5.2 ... abundance of specific cohorts were sensitive to the number of cohorts assumed to be represented in the ... estimates of length at age, an independent estimate of relative abundance of cohorts present in any survey ...
Meeting Document : WG-FSA-06/44 Rev. 1 : Author(s): D.C. Welsford, A.J. Constable and G.B. Nowara (Australia)
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ANTARCTIC FUR SEAL PUP PRODUCTION AND POPULATION TRENDS IN THE SOUTH SHETLAND ISLANDS WITH SPECIAL REFERENCE TO SOURCES OF ERROR IN PUP PRODUCTION ESTIMATES
Abstract: This paper reports the results of a ground survey of fur seal colonies from in the ... South Shetland Islands in 2007/08. Multiple counts of pups at each colony were conducted to establish ... census in 2001/02 (10,057 ±142 pups born). Dead pups accounted for 1.64% of the total. A comparison with ... previous censuses over a 20yr period (1987, 1992, 1994, and 1996) indicates the rate of increase in fur ...
Meeting Document : WG-EMM-PSW-08/14 : Author(s): M.E. Goebel (USA), D.E. Torres C. (Chile), A. Miller, J. Santora, D. Costa (USA) and P. Diaz (Chile)
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Distribution patterns and biomasses of Antarctic krill (Euphausia superba) and ice krill (E. crystallorophias) with note on distribution of Antarctic minke whales (Balaenoptera bonaerensis) in the Ross Sea in 2005
Abstract: Distribution patterns and biomasses of Antarctic and ice krill in the Ross Sea in ... austral summer in 2005 were studied using a multi-disciplinary survey data set combining cetacean, krill ... independently in the same area. Distribution patterns and length frequency information for two species were ... distributed on the continental shelf region (shallower than 1000m water depth). In contrast, Antarctic krill ...
Meeting Document : WG-EMM-08/35 : Author(s): H. Murase, H. Yasuma, R. Matsukura, Y. Takao, K. Taki, T. Hayashi, T. Yabuki, T. Tamura, K. Konishi, K. Matsuoka, K. Miyashita, S. Nishiwaki and M. Naganobu (Japan)