Résultats de la recherche
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Results of reading tests of TOP otolith sections and time schedule of reading for Dissostichus otoliths caught in regions of data-poor fisheries
Abstract: The correct age-length keys are essential for the stock assessment of Dissostichus spp ... regions of data-poor fisheries. Therefore the analysis is an urgent task. We have made five reading tests ... ) is lower than the threshold of 10 % for five tests, with one of them being close to 10 %. This ... Ltd, in New Zealand). He will continue to make the periodical reading test for TOP otolith sections ...
Meeting Document : WG-SAM-13/19 : Auteur(s): K. Taki and T. Ichii (Japan)
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APPLYING A TS-PROBE FOR MEASURING ANTARCTIC KRILL (EUPHAUSIA SUPERBA) TARGET STRENGTH IN SITU: PROCEDURES AND DATA ANALYSIS
for pressure, compass, pitch and roll. A stereo camera system was also mounted directly on the ... Abstract: A submersible multifrequency acoustic TS-probe was used for measuring the target ... strength of Antarctic krill in situ at short range. The experimental methods, procedure for data retrieval ... and analysis with some results for one selected station are presented. A Simrad EK60 split beam system ...
Meeting Document : SG-ASAM-09/13 : Auteur(s): G. Skaret, L. Calise and E. Ona (Norway)
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in SSRU 882E including data from the 2005/06 season
Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... model for Antarctic toothfish (Dissostichus mawsoni) in the SSRU 88.2E, using revised catch, CPUE, catch ... estimated to be 352 t for the reference case and 366 t for the all vessels case, assuming a future fishing ... models for Antarctic toothfish (Dissostichus mawsoni) in SSRU 882E including data from the 2005/06 season ...
Meeting Document : WG-FSA-06/48 : Auteur(s): A. Dunn and S.M. Hanchet (New Zealand)
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Research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Division 58.4.2
by all effective vessels were analyzed for the improvement of stock assessment in the research blocks ... . The stock sizes for a research block (58.4.2_1) were estimated by the Petersen estimator and the CPUE ... juvenile fish for each ice shelf block suggests that the recruitment occurs along the ice-shelf zones of ... . To this end, we propose to follow the current research style in the current research blocks for the ...
Meeting Document : WG-SAM-15/04 : Auteur(s): Delegation of Japan
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The random stratified trawl survey to estimate the abundance of Dissostichus eleginoides and Champsocephalus gunnari in the waters surrounding Heard Island (Division 58.5.2) for 2017
for the survey. The unstratified density of Champsocephalus gunnari (mackerel icefish) was only ... slightly larger than that of 2016 and 2.5 times the average. For the managed by-catch species, unstratified ... densities were lower than the average for Channichthys rhinoceratus (unicorn icefish), Lepidonotothen ... measurements were taken for nearly 13,500 fish and for more than half of those biological measurements were ...
Meeting Document : WG-FSA-17/14 Rev. 1 : Auteur(s): G.B. Nowara, T.D. Lamb and P. Ziegler
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Integrated weight longlines with paired streamer lines – best management practice for demersal longline fisheries: preliminary results
strength is 5% less than UW for new gear and 13% less for gear fished for five months; however, this ... for autoline longline systems and make recommendations for modifications to CM 24-02 and CM 25-02 ... streamer lines – best management practice for demersal longline fisheries: preliminary results Approval ... seabird bycatch rates while having little to no effect on fish catch rates. Sink rate measurements ...
Meeting Document : WG-FSA-06/52 : Auteur(s): K. Dietrich, E. Melvin and L. Conquest (USA)
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Report of the Second International Workshop for identifying Marine Protected Areas (MPAs) in Domain 1 of CCAMLR (Palacio San Martín, Buenos Aires, Argentina, 25 to 29 May 2015)
Abstract: This report presents the results of the Second International Workshop for identifying ... . It was noted that a large amount of new data was provided for objectives that so far had none, few or ... ), important areas for zooplankton life cycles (krill nurseries), and whales distribution during the non ... -breeding period. Many objectives were updated, either adding new species (as for Emperor and Macaroni ...
Meeting Document : WG-EMM-15/42 : Auteur(s): Second WS-MPA Domain 1
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A small unmanned aerial system for estimating abundance and size of Antarctic predators
penguin generated sound. We also report on the utility of VTOLs for missions other than abundance and ... new tool for studying the distribution and abundance of predator populations. We detail our experience ... and testing in selecting a VTOL platform for use in remote, windy, perennially overcast settings ... from the first use of VTOLs for estimating abundance, colony area, and density of krilldependent ...
Meeting Document : WG-EMM-15/P06 : Auteur(s): M.E. Goebel, W.L. Perryman, J.T. Hinke, D.J. Krause, N.A. Hann, S. Gardner and D.J. LeRoi
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2005/06 season
Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... model for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea (Subareas 88.1 and SSRUs 88.2A–B ... . The reason for this is unclear, however, a number of the recaptured tags were not able to be linked to ... abundance (B0) for the preferred model were 80 510 t (95% C.I.s 59 920–119 920 t), and current (B2006 ...
Meeting Document : WG-FSA-06/60 : Auteur(s): A. Dunn and S.M Hanchet (New Zealand)
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Status of WG-SAM reviews of research plans and research proposals and recommendations for streamlining
submitted under CM 24-01. A total of 34 papers was submitted to WG-SAM-15 for review under this agenda item ... of the self-assessment to WG-FSA for comment, to characterise some of the issues associated with WG ... -SAM review of research plans and research proposals, and to suggest a potential mechanism for more ... produced) for consideration by WG-FSA. Author(s): Convener of WG-SAM and Chair of the Scientific Committee ...
Meeting Document : WG-FSA-15/14 : Auteur(s): Convener of WG-SAM and Chair of the Scientific Committee