Search results
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Consultation on Secretariat catch and effort monitoring: Secretariat proposals arising from the feedback from Members
Abstract: Detailed responses to the consultation feedback are presented. The Secretariat proposes ... to make a number of changes to its existing practices, particularly around providing information to ... Members and providing transparency on data acquisition systems and the algorithms it uses for data ... validation and preparation. The Secretariat also proposes to strengthen its staffing support for Data ...
Meeting Document : CCAMLR-XXXVII/BG/22 : Author(s): CCAMLR Secretariat
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Mark-recapture inputs to the 2017 Ross Sea region stock assessment (Subarea 88.1 and SSRUs 88.2A–B)
Abstract: We provide a summary of the mark-recapture data inputs to the 2017 Ross Sea region ... detection rates for each vessel were calculated. In the last few years the effective tagging survival is ... stock assessment. A total of 44 827 Antarctic toothfish have been released and 2473 recaptured, and 1 ... estimated at about 65% and the effective tag detection rate at about 85%. Author(s): S. Parker and S ...
Meeting Document : WG-FSA-17/36 : Author(s): S. Parker and S. Mormede
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Off the hook: an informational video for Alaska longliners
Abstract: The video portrays a variety of seabird species in flight and interacting with longline ... most Alaska longlines beginning in 2004. Author(s): E.F. Melvin and D. Mercy (USA) Title: Off the ...
Meeting Document : WG-FSA-03/19 : Author(s): E.F. Melvin and D. Mercy (USA)
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plotImage – software for producing augmented image plots of spatially referenced data
Abstract: Software is presented for the automated production of standardised image plots of ... spatially referenced data. While developed to satisfy the specific requirements of WG-FSA, the routines have ... software is submitted to be appraised by WG-SAM in the hope it may prove a useful tool within CCAMLR ... Working Groups for the display of spatially referenced data. Author(s): J.P. McKinlay (Australia) Title ...
Meeting Document : WG-SAM-10/22 : Author(s): J.P. McKinlay (Australia)
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Revised biological parameters for the Antarctic skates Amblyraja georgiana and Bathyraja cf. eatonii from theRoss Sea
biological parameters for the Antarctic skates Amblyraja georgiana and Bathyraja cf. eatonii from theRoss Sea ... . eatonii from theRoss Sea ...
Meeting Document : WG-FSA-10/27 : Author(s): M.P. Francis (New Zealand)
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A conceptual model of Japanese krill fishery
Abstract: The behaviour patterns of Japanese krill fishery vessels in Area 48 were analysed using ... questionnaires on the reasons why the vessel changed their fishing grounds, which were sent out to of the ... , krill density, krill, size, ice condition, transshipment, and salp-by catch accounted for 95.6% of the ... factors such as greenness or ice condition could become important. A general picture of the seasonal ...
Meeting Document : WG-EMM-05/30 : Author(s): S. Kawaguchi, S. Nicol (Australia), K. Taki and M. Naganobu (Japan)
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EXTRAPOLATING CONTINUOUS PLANKTON RECORDER DATA THROUGH THE SOUTHERN OCEAN USING BOOSTED REGRESSION TREES
fitted relationships explained 28–38% of the total variance in abundance (depending on method of cross ... , called BRT (Boosted Regression Trees), to data on the distribution of Oithona similis, a small cyclopoid ... copepod which is abundant through much of near-surface waters of the Southern Ocean. A large dataset (> ... ;19 000 records) of abundances of O. similis were measured during the SCAR Southern Ocean Continuous ...
Meeting Document : WG-SAM-08/12 : Author(s): M.H. Pinkerton, A.N.H. Smith (New Zealand), B. Raymond, G. Hosie (Australia) and B. Sharp (New Zealand)
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A review on the Antarctic ecosystem models published by Japanese scientists and some comments
by Japanese scientists were reviewed. The concept and treatment of Lotka-Volterra type model by ... model such as developed by Doi(1879) is able to deal with many component in the Antarctic ecosystem ... Abstract: Some published articles on the Antarctic krill biomass estimates and ecosystem models ... Title: A review on the Antarctic ecosystem models published by Japanese scientists and some comments ...
Meeting Document : SC-CAMLR-III/INF. 06 : Author(s): Japanese Delegation
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Estimating confidence intervals for fish stock abundance estimates from trawl surveys
deteriorates in cases where few of the hauls contain fish, and the coefficient of variation is high. The lower ... . Simulation tests of the method show that unbiassed estimates of the density and biomass can be obtained and ... using the swept area method, using likelihood ratios from Aitchison's delta distribution ... that the estimated confidence intervals have close to the nominal coverage probability. Performance ...
Meeting Document : WG-FSA-93/20 : Author(s): W.K. de la Mare (Australia)
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Cruise report EH-2013/02
Abstract: This report presents a summary of the work conducted onboard and a preliminary ... description of the results obtained during the research survey. The cruise started on april 26th and returned ... to Mar del Plata the 21st may 2013. The work was conducted in the CCAMLR statistical area 48.3 and ... its main objective was to obtain information on the status of the stocks of Chamsocephalus gunnari and ...
Meeting Document : WG-FSA-13/61 : Author(s): G. Álvarez Colombo, J. Bastida, F. Castro, Á. Cubiella, E. Gaitán, E. Marschoff, P. Martinez, L. Padovani, D. Palmerola, R. Reta, R. Silva, S. Vivequin, O. Wöhler and A. Zavatteri (Argentina)