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CCAMLR-IWC WORKSHOP TO REVIEW INPUT DATA FOR ANTARCTIC MARINE ECOSYSTEM MODELS: UPDATE ON PROGRESS 2008
” will be held at the CCAMLR Headquarters in Hobart Australia on 11-15 August 2008. This paper provides an update ... for consideration primarily to take account of the review materials being produced without expenditure from ... appointed for all the data groups with the exception of the flying birds group, the work for which is being ... will occur at the workshop rather than being attempted prior to the workshop. The workshop is open to members ...
Meeting Document : WG-EMM-08/15 : Author(s): A. Constable and N. Gales (Co-conveners)
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Abundance, size and maturity of krill (Euphausia superba) in the krill fishing ground of Subarea 48.1 during 1990/91 austral summer
krill into this zone. The total biomass over the survey region was estimated to be 1.59 ± 0.45 million t ... the neritic and nearshore zones. This indicates that slope frontal features may be important for the ... (95% confidence limit), of which 1.22 ± 0.42 million t was concentrated in the fishing grounds (" ... that krill biomass in this region had been lower than expected until early February 1991. As for ...
Meeting Document : WG-KRILL-92/26 : Author(s): T. Ichii, H. Ishii and M. Naganobu (Japan)
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e-sc-xxxi.pdf
... being collected but is not submitted to CCAMLR as part of CEMP (ii) starting CEMP monitoring programs ... approaches engage with WG-SAM so that technical and modelling aspects of each approach might be considered ... CM 24-01 and noted that this was likely to continue to be a standing topic for discussion. 4 ... Committee agreed that all three focus topics were important issues which needed to be addressed in the next ... . The Scientific Committee noted that a fishery may need to be closed when the reported catch is less
application/pdf attached to:SC-CAMLR-XXXIMeeting Report : SC-CAMLR-XXXI
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e-sc-xxviii-a4.pdf
... due to ill health. The Working Group noted that Mr Iversen (senior Vice-Chair of the Scientific ... interactions of toothfish, including studies at Heard Island and Macquarie Island (He and Furlani, 2001 ... of modal length 110 cm. (iii) An area to the south of SSRU L, which was fished in 2001, 2004 and 2008 ... of the spawning stock has been regarded in the past as being the escapement level when predator requirements ... due to ill health. The Working Group noted that Mr Iversen (senior Vice-Chair of the Scientific ... CCAMLR community and noted that he will be retiring as Executive Secretary in February 2010. The ... working groups. The Scientific Committee reviewed the terms of reference and agreed that FEMA2 be ... changes in predators in the Ross Sea. 2.2 The Scientific Committee also agreed that it would be useful
application/pdf attached to:WG-EMM-09Meeting Report : WG-EMM-09
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WS-MPA-11
August 2011 to Friday, 2 September 2011 Submissions Due: Monday, 15 August 2011 Meeting documents Doc ...
Meeting
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AND DOMESTIC SUBANTARCTIC FISHERIES BY THE AUSTRALIAN ANTARCTIC DIVISION AND THE AUSTRALIAN FISHERIES MANAGEMENT AUTHORITY
. Australia considers the use of such a performance management system to be essential in ensuring that high ... quality data continues to be collected by SISO. Author(s): O’Regan, K., Welsford, D., Robertson, T., Lamb ... the Australian Fisheries Management Authority (AFMA), with technical and data management support from ... increase in sophistication, the tasks required to be completed by observers are increasing in number and ...
Meeting Document : TASO-08/05 : Author(s): O’Regan, K., Welsford, D., Robertson, T., Lamb, T.
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An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) in Division 58.5.2 using CASAL
cover a highly spatially structured stock. It is recommended that the mark-recapture data not be ... yield using CASAL, 2,306 tonnes, is less than that using the GYM, 2483 t. The reasons for this ... yields be estimated by integrating across uncertainties in natural mortality. It is also recommended that ... using CASAL and demonstrates that all of the data available for assessments, including surveys, fishery ...
Meeting Document : WG-FSA-06/64 : Author(s): A. Constable, S. Candy, T. Lamb and I. Ball (Australia)
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Verification of the CMIX procedure on species with known age-length keys
Subarea 26. Age-length keys for 1995-2001 and length frequency data obtained during the surveys carried ... -length keys for 1995-2001 and length frequency data obtained during the surveys carried out by research ...
Meeting Document : WG-FSA-SAM 03/5 : Author(s): P. Gasiukov (Russia)
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e-sc-xxxv-a05.pdf
... that, in its present implementation, too many parameters are likely being estimated within the krill ... that the size of the net is likely to be too small and is not being used to target the acoustic marks ... estimation of what organisms are being detected by the acoustics. This is because some organisms will avoid ... the light, while others will be attracted to it. A further concern is that insufficient krill are being ... be limited to hauls with non-zero catches for that species. 2.30 The Working Group considered the ... improve the DQA associated with the CCAMLR databases and noted that this work should be applied to the ... recaptures were lower than expected. The Working Group recalled that there had also been mixed success with ... are added. It was recommended that retrospective analyses and fits to simulated data be conducted to
application/pdf attached to:WG-SAM-16Meeting Report : WG-SAM-16
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e-sc-xxix-a4.pdf
... % of hauls, with all vessels being observed at least once every two years, was sufficient to estimate mean ... is required in time–area strata where variability in the quantities being observed (e.g. krill length ... been influenced by the hierarchical structure of the model, suggested the use of linear mixed models ... continue to be used (ibid., paragraph 2.58), to maximise the utility and comparability of the data being ... in WG-SAM-10/9 includes the following changes: (i) a revised map with layers that can be used to ... so that data collected by other Members working in other subareas could be used to expand the scope ... integrated assessment for krill be developed with consideration given to the following issues: (i) it ... assessments; (iii) a provisional observer program that could be used in the interim and to help design the
application/pdf attached to:WG-SAM-10Meeting Report : WG-SAM-10