Search results
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Fishery Report 2017: Exploratory fishery for Dissostichus mawsoni in Subarea 88.1
years of age and can live to at least 27 years, whereas M. caml reaches full size at about 15–20 years ... otoliths collected by observers from New Zealand vessels have been selected for ageing each year ... length-frequency distributions for each year to produce annual catch-at-age distributions (WG-FSA-17/07 ... , as well as collection of otoliths for age determination of the target and most frequently taken by-catch ... Description / Abstract: Fishery Report 2017: Exploratory fishery for Dissostichus mawsoni in ...
Document : Site Section: Publications
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WG-FSA-15
Contribution to knowledge on age and growth of Antarctic toothfish (Dissostichus mawsoni) from Division 58.4.1 ... WG-FSA-15/46 Preliminary results of age determination of the Dissostichus spp. from the longline ... (Australia) WG-FSA-15/51 Exploring age and growth dynamics of a historically overfished Sub-Antarctic fish ... description of Patagonian toothfish (Dissostichus eleginoides) tagging and ageing programs in Division 58.5.2 ...
Meeting
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e-sc-xxix-a4.pdf
... and CCODE models are approximations given the actual uncertainties in the catch-at-age data. 3.30 ... .............................................................. 128 Age- versus length-based harvest control rules .......................................... 129 ... the legal and IUU catch history, analysing otoliths to determine catch-at-age and growth rates ... . 1 described two models for estimation of M using catch-at-age and aged release–recapture data, the BODE ... and submit this for use by WG-FSA at its meeting this year. OTHER BUSINESS Independent review of ... assessment of krill 2.1 The Working Group agreed that the development of an integrated assessment for ... -frequency data that need to be considered in designing an observer program for the krill fishery. WG-SAM ... -10/17 reported on an analysis of krill mean length and fish by-catch for the Japanese krill fishery
application/pdf attached to:WG-SAM-10Meeting Report : WG-SAM-10
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Lead-radium dating provides a framework for coordinating age estimation of Patagonian toothfish (Dissostichus eleginoides) between fishing areas
range from approximately 20 to more than 50 years. In this study, lead-radium dating provided valid ages ... was observed across estimated ages younger than 20 years. For the CAF, ages were overestimated for young fish ... . 3.3 years was observed across estimated ages younger than 20 years. For the CAF, ages were ... Facility (CAF), using different age estimation techniques. For CQFE, under-ageing of ca. 3.3 years ...
Meeting Document : WG-FSA-11/P01 : Author(s): A.H. Andrews, J.R. Ashford, C.M. Brooks, K. Krusic-Golub, G. Duhamel, M. Belchier, C.C. Lundstrom and G.M. Cailliet
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Review of the CCAMLR regulatory framework and recommendations for streamlining fishery status
in recent years in relation to research fishing in exploratory fisheries, closed fisheries and other areas ... and requested a review of the requirements of CM 21-02 and related measures (e.g., CMs 21-01 and 24-01) in light ... to review the current status and nomenclature of exploratory and closed fisheries, with a view to realign ... to review the relevant Conservation Measures to determine the information requirements, and the process ...
Meeting Document : CCAMLR-XXXIV/17 Rev. 1 : Author(s): Chair of the Scientific Committee
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e-sc-xxv-a6.pdf
... /4). 8. In January 2004, a short acoustic survey off South Georgia (WG-FSA-SAM-04/20) showed that icefish of all age ... to reduce the variance associated with biomass estimates and length–age structure. Dr O’Driscoll also ... ............................................................................. 481 REVIEW OF THE FINDINGS OF THE CAMBRIDGE WORKSHOP.................. 481 NEW INFORMATION ... of the Secretariat and outlined local arrangements for the meeting. 3. Dr O’Driscoll reviewed the background ... -SAM-04/20) showed that icefish of all age classes spend time in midwater and reinforced the evidence ... 20 for the TS–length relationship may not be appropriate for icefish. Application of the new target ... more dispersed form. Most icefish caught during the survey ranged in length between 20 and 30 cm ... IN ICEFISH ACOUSTICS Target strength 23. Dr Macaulay gave an overview of methods for measuring
application/pdf attached to:SG-ASAM-06Meeting Report : SG-ASAM-06
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Fishery Report: Champsocephalus gunnari South Georgia (Subarea 48.3)
–30 Nov Reference date (Start growth eriod) p 1 Dec Weight-at-age (kg, mm) ‘a’ 5.47E-10 ... for finding F in each year 1E-08 Tolerance for resolving catches 0.01 Age first selected 2.5 Age fully ... Years to remove initial age structure 0*** Estimate median SB0 Deterministic Observations to use ... ............................................................................ 6 Fishing mortality (catches since survey) ....................................... 6 Initial age ...
Document : Site Section: Publications
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Fishery Report: Champsocephalus gunnari Heard Island (Division 58.5.2)
gunnari in Division 58.5.2. Category Parameter Values Age structure Plus class accumulation 10 years ... Oldest age in initial structure 11 years Initial population structure Age class density See Table ... initial age structure 1** Specifications Year prior to projection 2009*** Reference start date in year ... ...................................................................... 5 Removals ............................................................................ 6 Initial age ...
Document : Site Section: Publications
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e-sc-xiii-a8.pdf
... at Marion and Gough Islands have been recovered at sea in the period 1951 to 1993. 3.38 An age ... to be retained for subsequent checking by a specialist ornithologist. Information on age and sex, which can ... ageing of each bird caught. The recovery of bands from seabirds will contribute to demographic studies ... of total incidental bird mortality by species, sex and age; • bird mortality per unit of fishing effort ... year (SC-CAMLR-XII/BG/7) suggested that in 1992/93 there had been an increase in the incidence of ... been recovered at sea in the period 1951 to 1993. 3.38 An age-structured model of a wandering ... breeding population. In addition, population growth rates will take approximately 30 to 50 years to ... declined since 1966 at an average rate of 8.1% per year, and this decline is correlated with the onset of
application/pdf attached to:WG-IMALF-94Meeting Report : WG-IMALF-94
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e-cc-xxviii-a5.pdf
... on previous efforts to provide a comprehensive modernisation of this 20-year old scheme. The USA felt ... for the proposal, noting that the existing text of the System of Inspection was more than 20 years old ... that, while the pro forma had only been adopted at last year’s meeting, the requirement to provide ... and recommended that Members reflect on the work of those RFMOs next year in the review of the implementation ... System of Inspection was more than 20 years old and that an update to the text was overdue, whilst ... modernisation of this 20-year old scheme. The USA felt that the System of Inspection was relevant to several ... meeting, the requirement to provide preliminary assessments had been in place for two years. 2.46 The ... -XXVIII/30). 2.70 The Republic of Korea expressed its thanks to the UK for its assistance. 2.71 SCIC
application/pdf attached to:SCIC-09Meeting Report : SCIC-09