Résultats de la recherche
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Progress report on the research fishery for Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan and South Africa: 2012/13 and 2013/14
reported and achievements for the first two months of the 2013/14 season are briefly mentioned. Over the ... report on the research fishery for Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan ... Abstract: Japan and South Africa are undertaking a multi-year research plan in Statistical ... Dissostichus resource in Subarea 48.6 to be undertaken next year. Concern is expressed over the rise of IUU ...
Meeting Document : WG-SAM-14/10 : Auteur(s): R. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa)
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The effect of temporal variability on power analysis predictions for Adélie penguin CEMP parameters at Béchervaise Island
(5.2 – 6.7%). For example, with a 10 year monitoring program it is possible to detect fixed increases ... generated using an exponential model compared with a linear model for short term monitoring programs of up ... temporal variability on power analysis predictions for Adélie penguin CEMP parameters at Béchervaise Island ... Abstract: There are unresolved issues surrounding the use of power analyses for examining the ...
Meeting Document : WG-EMM-03/49 : Auteur(s): L.M. Emmerson and C. Southwell (Australia)
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Evaluation of the effects of illegal, unregulated and unreported (IUU) fishing on the legal catch of fisheries for Dissostichus eleginoides
Abstract: CCAMLR currently establishes catch limits each year for Patagonian toothfish ... year to compensate for the effects of historical levels of IUU catches. To date, the rate of reduction ... catch was estimated using the GYM and applied as the legal catch limit for the following year, assuming ... limit derived from an assessment based on the 2001 WG-FSA assessments, which is approximately 3 000 ...
Meeting Document : WG-FSA-02/69 : Auteur(s): A.J. Constable (Australia)
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Proposal for further trials aimed at reducing Macrourus spp. by catch on autoliners targeting D. eleginoides with longlines around South Georgia
. We intend to trial two alternative configurations against IW systems in 48.3 in the 2007/08 fishing ... will apply. Author(s): Delegation of the United Kingdom Title: Proposal for further trials aimed at ... . All systems will have sink rates of at least 0.3 m.s-1. Comments on the experimental protocol are ... reducing Macrourus spp. by catch on autoliners targeting D. eleginoides with longlines around South Georgia ...
Meeting Document : WG-FSA-07/30 : Auteur(s): Delegation of the United Kingdom
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A Petersen tag-recapture preliminary population assessment of Antarctic toothfish in CCAMLR Subarea 48.4 based on data for the 2009–2014 fishing seasons
tagging returns to be 1,027 tonnes during the 2013/14 season. In previous years the harvest rate used for ... data for the 2009–2014 fishing seasons Approval: Approved ... tag-recapture preliminary population assessment of Antarctic toothfish in CCAMLR Subarea 48.4 based on ...
Meeting Document : WG-FSA-14/30 Rev. 1 : Auteur(s): V. Laptikhovsky, R. Scott, M. Söffker, T. Earl and C. Darby (United Kingdom)
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Calculating effective releases and recaptures for stock assessments based on tag detection and tagging mortality indices
estimate effective tag releases and effective numbers of fish inspected for tags based on those indices ... recaptures for stock assessments based on tag detection and tagging mortality indices Approval: Approved ... developed using a methodology which controls for the spatial and temporal variability of fishing operations ... included in the stock assessment for the Ross Sea region and Amundsen Sea region, with the understanding ...
Meeting Document : WG-SAM-14/30 : Auteur(s): S. Mormede (New Zealand)
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Procedures for proposals and reporting on research plans in data-poor fisheries
, WG-SAM-17 recommended that the procedures for research plan proposals in data poor fisheries be ... , and to provide recommendations for the Scientific Committee to consider with regard to a CCAMLR ... Conservation Measure 41-01, and provide recommendations for streamlining the review of new and ongoing research ... plans. As noted by the Scientific Committee and its Working Groups, we see benefit in an increased ...
Meeting Document : WG-FSA-17/13 : Auteur(s): S.J. Parker and D.C. Welsford
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On Ageing Technique for Icefish (champsocephalus gunnari Lönnberg 1905) from South Georgia Island Shelf
for the third quarter of the year is appended Author(s): Zh.A. Frolkina (USSR) Title: On Ageing ... adjustment to age determination of fish longer than 30 cm with an enlarged otolith centre. An age-length key ... . This was done using specimens from strictly’ defined age groups. These radii measurements suggest an ... Technique for Icefish (champsocephalus gunnari Lönnberg 1905) from South Georgia Island Shelf Approval ...
Meeting Document : WG-FSA-89/19 : Auteur(s): Zh.A. Frolkina (USSR)
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A RISK ASSESSMENT TO ADVISE ON STRATEGIES FOR SUBDIVIDING A PRECAUTIONARY CATCH LIMIT AMONG SMALL-SCALE MANAGEMENT UNITS DURING STAGE 1 OF THE STAGED DEVELOPMENT OF THE KRILL FISHERY IN SUBAREAS 48.1, 48.2, AND 48.3.
) and S. Hill (United Kingdom) Title: A RISK ASSESSMENT TO ADVISE ON STRATEGIES FOR SUBDIVIDING A ... . (2008) to assess the risks and tradeoffs associated with various management strategies for subdividing ... increase in some SSMUs. In general, the risks of depleting penguin and fish populations are greater for ... Fishing Option 3 than for Fishing Option 2 because the former option requires slightly more fishing in ...
Meeting Document : WG-EMM-08/30 : Auteur(s): G.M. Watters, J.T. Hinke (USA) and S. Hill (United Kingdom)
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A model at the level of the foraging trip for the indirect effects of krill (Euphausia superba) fisheries on krill predators
fishery. 3. The biomass of krill appropriate for the predators (and the fishery) fluctuates from one year ... Abstract: 1. Although the development of fisheries for krill in the southern oceans has prompted ... population level effects. Here, we present for. the first time a model at the level of the foraging trip for ... to the next according to an age-structured, stochastic recruitment model. We use the model to ...
Meeting Document : WG-EMM-96/20 : Auteur(s): Switzer, P.V., Mangel, M.