Search results
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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 July 2007, 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 July 2007 to provide the information for an assessment of short ... -term annual yield in the 2007/2008 CCAMLR season. This paper provides a preliminary assessment of yield ... strong 1+ year class recruiting to the population has led to an increase in the estimated biomass of ...
Meeting Document : WG-FSA-07/47 : Author(s): D.C. Welsford (Australia)
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Proposal for a research plan for the exploratory longline fishery for Dissostichus spp. in 2014/15 in Division 58.4.4
fishing, CCAMLR decided to close the fishery in 2002 in division 58.4.4. Since 2008 only one vessel ... , Shinsei maru No. 3, has conducted research fishing in accordance with a research plan submitted under CM ... 24-01. France notifies its wish to collaborate in this research fishery over the coming years in ... order to participate in the tagging program and achieve a robust stock assessment. The aim is to provide ...
Meeting Document : WG-SAM-14/18 : Author(s): Delegation of France
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Shags in Antarctica: their feeding behaviour and ecological role in the marine food web.
Abstract: Feeding behaviour, ecological role in the marine food web and population trend of the ... Antarctic Shag Phalacrocorax bransfieldensis and the South Georgia Shag P. georgianus in Antarctica are ... analysed. The diving depths and duration registered in these shags are the deepest and longest among all ... flying birds in Antarctica and match deep dives performed by small Antarctic penguins. Shag individuals ...
Meeting Document : WG-FSA-05/P5 : Author(s): Casaux, R., Barrera-Oro, E.R.
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Fish in the diet of breeding Antarctic shags Phalacrocorax bransfieldensis at four colonies in the Danco Coast, Antarctic Peninsula
, Notothenia coriiceps was the main prey in all of the sampling sites, followed in similar importance by G ... . gibberifrons in Cape Herschel, Primavera Island and Midas Island and in less importance by H. antarcticus in Py ... Point. Between colonies there were marked differences in the size of the fish consumed. The largest ... this last colony. The differences in the composition of the diet may be related to the different ...
Meeting Document : WG-EMM-00/9 : Author(s): R. Casaux, A. Baroni and E. Barrera-Oro (Argentina)
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Variability of krill fishery operations in Subarea 48.2 in relation to fishing methods: spatial–temporal distribution of CPUE and of fishing efforts
in Subarea 48.2 with special attention to the period 2006-2011 which is characterized by the highest ... values of standardized CPUE indices in the Subarea 48.2 for the last 25 years. The paper provides the ... fishing methods. It was shown how fishery operated by years and month in each SSMUs with special attention ... to differences between national fleets. Our results provide the evidence that ‘high CPUE’ regime’ in ...
Meeting Document : WG-EMM-14/22 : Author(s): S. Kasatkina (Russia)
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Revised research plan for the exploratory longline fishery for Dissostichus spp. in 2014/15 in Division 58.4.3a
Abstract: In 2011/2012, the Saint André conducted its first exploratory fishery for Dissostichus ... spp. in division 58.4.3a. France notified its wish to continue this exploratory fishery over the ... coming years in order to achieve a robust stock assessment that would provide advice on a catch limit ... improve the estimation of current biomass. The stock size in division 58.4.3a was estimated during WG-FSA ...
Meeting Document : WG-FSA-14/05 : Author(s): Delegation of France
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On amendments to Conservation Measure 51-07 (2014) dealing with interim distribution of the trigger level in the fishery for Euphausia superba in Statistical Subareas 48.1, 48.2, 48.3 and 48.4
Abstract: Taking into account the practice and current state of krill fishery in Area 48, Ukraine ... proposed to revise the Conservation Measure 51-07 (2014) in order to redistribute the trigger level of ... catch in 620 000 tonnes between Subareas in Area 48 in a new percentage limits. This revision will still ... enable to follow the precaution conservation principles of the Convention and in the same time will not ...
Meeting Document : WG-EMM-15/40 : Author(s): Delegation of Ukraine
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Results from the New Zealand exploratory fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2 in the 2004/05 season
Abstract: The New Zealand longliners Janas and San Aspiring were authorised to operate in the ... Exploratory Fishery in Divisions 58.4.1 and 58.4.2 during the 2004-05 season. The results from their first ... season in this fishery are presented. Janas undertook 44 sets in Division 58.4.2 for a catch of 37.9 ... tonnes of D. mawsoni and 0.395 tonnes of D. eleginoides. Two sets were undertaken in Division 58.4.1 SSRU ...
Meeting Document : WG-FSA-05/62 : Author(s): G.J. Patchell (New Zealand)
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Using krill length data from fishery-dependent and fishery-independent data sources to measure changes in the Antarctic krill population structure in the Bransfield Strait
were analysed for trends in population structure. Krill length data collected by the Scheme of ... Scientific Observation (SISO) and the CCAMLR Ecosystem Monitoring Program (CEMP) from 2008 to 2019 in the ... Bransfield Strait were compared. Differences in mean lengths and length-frequencies were apparent, however ... both data sources appeared to be tracking similar processes. CEMP data revealed patterns in population ...
Meeting Document : WG-EMM-2019/76 : Author(s): CCAMLR Secretariat
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A spatial multi-species operating model (SMOM) of krill–predator interactions in small-scale management units in the Scotia Sea
dynamics is developed in response to requests for scientific advice regarding the subdivision of the ... precautionary catch limit for krill among 15 small-scale management units (SSMUs) in the Scotia Sea to reduce ... of krill in each of the SSMUs, as well as the numbers of predator species in each of these areas. The ... numerous uncertainties regarding the choice of parameter values, a Reference Set is used in preference to a ...
Meeting Document : WG-EMM-06/12 : Author(s): É. Plagányi and D. Butterworth (South Africa)