Search results
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Monitoring variability and change in the plankton communities of the Scotia Sea through Continuous Plankton Recorder surveys
, with abundance being far more variable than species composition within and between tows. In general ... . Of these, 715 samples have been analysed. A total of 245 taxa have been recorded, with abundance being far ...
Meeting Document : WG-EMM-16/29 : Author(s): G.A. Tarling, M.Z. Wootton, D.G. Johns, T.D. Jonas, E.J. Murphy and P. Ward
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Report of the First Workshop on the Identification of Priority Areas for MPA Designation within Domain No. 1 (CCAMLR). Valparaiso 2012
was realized that some conservation objectives had a direct relationship with the feedback management ... for conducting the analysis; a concerted list of conservation objectives to be included in the ... analyses; a review of existing and missing data; a definition of the cost-layer to be included; a ... recommendation on the analysis and software to be used for aiding to identify priority areas for conservation ...
Meeting Document : WG-EMM-12/69
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Assessment of escape mortality of Antarctic krill (Euphausia superba) in trawls
(Euphausia superba) that escape from the most common mesh size used in the current commercial fishery. The ... on the mortality rates found. A decrease in body length was also found significantly correlated with ... increased mortality rate. The escape mortality rate from experiment parallels and considered to be closest ... to a realistic catching process in a 16 mm mesh size, was found to be 1-6%. Krill may be more ...
Meeting Document : WG-EMM-14/14 : Author(s): B.A. Krafft (Norway) and L.A. Krag (Denmark)
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Revised research longline fishing proposal for Dissostichus spp. in Subarea 48.2, second season
real scientific collaboration that could be implemented after 2018 season, which was welcomed by the ... recommendations adopted, coordination was achieved with the Delegation of Ukraine to develop research in the ... , operational agreements were reached. In addition, Chile expressed its interest to further discuss with Ukraine ... , with the assistance of the Secretariat, strategies to improve both proposals, and contribute with a ...
Meeting Document : WG-FSA-17/27 : Author(s): Delegation of Chile
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Autoliners and seabird by-catch: do line setters increase the sink rate of integrated weight longlines?
column where seabird interactions are likely to be most intense. The results reveal that line setters ... Abstract: Line setters are used with integrated weight (50 g/m lead core, IW) by some autoline ... magazines of line set with and without a line setter using a paired treatment design. Sink rates of ... longlines set with and without a line setter were identical, including in the first few metres of the water ...
Meeting Document : WG-FSA-07/13 : Author(s): G. Robertson (Australia), J. Williamson, M. McNeill (New Zealand), S. Candy (Australia) and N. Smith (New Zealand)
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INCORPORATING SAMPLING VARIATION AND RANDOM READER ERROR INTO CALCULATION OF EFFECTIVE SAMPLE SIZE IN THE APPLICATION OF AGE LENGTH KEYS TO ESTIMATION OF CATCH-AT-AGE PROPORTIONS
an effective sample size (ESS) that can be used as the nominal multinomial sample size. The method ... observations that contribute to the objective function via a multinomial likelihood. The multinomial likelihood ... accounts for both the variation associated with sub-sampling of the random length frequency (LF) sample for ... Monte Carlo multinomial replicates of the observed age length key (ALK) with each ALK used to generate a ...
Meeting Document : WG-SAM-09/08 : Author(s): S.G. Candy (Australia)
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A krill–predator–fishery model for evaluating candidate management procedures
simulations. We present a range of performance measures that can be used to evaluate catch-allocation ... well as fishery performance. This evaluation must be conducted in the context of considerable ... transport of krill between these areas. Krill and predator population dynamics are implemented with coupled ... uncertainty, and structural uncertainty can be assessed by comparing and merging results from multiple such ...
Meeting Document : WG-EMM-05/13 : Author(s): G.M. Watters, J.T. Hinke (USA), K. Reid and S. Hill (United Kingdom)
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Review of biological parameters for Ross Sea skates
MacDonald Islands. The taxonomy needs to be resolved before biological parameters derived from populations ... outside the Ross Sea can be applied to Ross Sea skates. Length-weight regression relationships for male ... both sexes combined is: TLt = 101.3(1? e?0.308[t+1.30]). The best estimate of longevity in A. georgiana ... is 14 years. However this may be a considerable underestimate, and true longevity may exceed 20 years ...
Meeting Document : WG-FSA-06/31 : Author(s): M.P. Francis (New Zealand)
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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 ... (s): V. Laptikhovsky, R. Scott, M. Söffker, T. Earl and C. Darby (United Kingdom) Title: A Petersen ...
Meeting Document : WG-FSA-14/30 Rev. 1 : Author(s): V. Laptikhovsky, R. Scott, M. Söffker, T. Earl and C. Darby (United Kingdom)
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Prohibition of shark finning in the CAMLR Convention Area
Conservation Measure 32-18 to require that all sharks incidentally-caught in the Convention area be landed with ... their fins naturally attached, if they are not released alive. This is consistent with United Nations ...
Meeting Document : CCAMLR-XXX/25 : Author(s): Delegation of the USA