Search results
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Vast assembly of vocal marine mammals from diverse species on fish spawning ground
information on prey distribution and abundance as well as distribution and activity of their top predators ... echoes used in the assessment of prey abundance and distribution. Periodically, only the receiver array ... methodology offer coverage of 10s of km and may thus inform about variability issues now causing troubles in ... the assessment of krill using conventional acoustic methods. Author(s): D. Wang, H. Garcia, W ...
Meeting Document : WG-EMM-16/P01 : Author(s): D. Wang, H. Garcia, W. Huang, D.D. Tran, A.D. Jain, D.H. Yi, Z. Gong, J.M. Jech, O.R. Godø, N.C. Makris and P. Ratilal
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Implementation of the modified Petersen mark–recapture method in S-Plus
Abstract: The mark-recapture method of estimating toothfish population size described last year ... , which uses a modification of the Petersen estimator to take account of mortality and selectivity, is ... : Implementation of the modified Petersen mark–recapture method in S-Plus Approval: Approved ...
Meeting Document : WG-FSA-SAM-05/7 : Author(s): A. Payne, D.J. Agnew and R. Hillary (United Kingdom)
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A single-area stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea for the 2004/05 season
). A range of model sensitivities were examined, with the base case assuming the Ross Sea fishery as a ... evidence of non-convergence, particular in the declining right-hand limb of the fishing selectivity ... this would have little impact on the estimates of key model parameters and yield estimates. MCMC ... estimates of initial (equilibrium) spawning stock abundance (B0) were 69 400 t (95% credible intervals 47 ...
Meeting Document : WG-FSA-05/33 : Author(s): A. Dunn, D.J. Gilbert and S.M. Hanchet (New Zealand)
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EVALUATION OF VME TAXA MONITORING BY OBSERVERS FROM FIVE VESSELS IN THE ROSS SEA REGION ANTARCTIC TOOTHFISH LONGLINE FISHERIES DURING THE 2008-09 SEASON
most areas south of 60 °S) to monitor longline bycatch for VME indicator organisms. Observers ... these samples for subsequent onshore classification by taxonomists. Comparison of the observer’s ... were reasonably accurate. Classification of two groups requires further development of training ... on the taxonomic composition and distribution of VME taxa in the Ross Sea region and elsewhere in the ...
Meeting Document : TASO-09/08 : Author(s): Carter, M., Parker, S.J., Mormede, S., Tracey, D.M.
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Updated description of Patagonian toothfish (Dissostichus eleginoides) tagging and ageing programs in Division 58.5.2, 1997–2015
Abstract: In 2014, CCAMLR endorsed a TAC of 4410 t of Patagonian toothfish in Division 58.5.2 ... , considerably adding to information on the structure of the population. The ageing program at AAD has produced ... an additional 2559 estimates of age, for fish captured during the 2014 and 2015 Random Stratified ... previous maximum age estimate of 42 years. These data have been used to develop age length keys and a ...
Meeting Document : WG-FSA-15/55 : Author(s): D.C. Welsford, B. Farmer, T.D. Lamb, C. Péron, E. Woodcock and P.E. Ziegler (Australia)
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Spatial distribution and swarm characteristics of Antarctic krill around the South Shetland Islands
Abstract: The spatial distribution and swarm characteristics of Antarctic krill were studied ... , thickness and length of swarms were estimated from the 120kHz data. The full spatial distributions of ... majority of swarms were also found in the upper 100 m layer. The swarm-based method provides a promising ... way not only for biomass estimation but also for the study of swarm characteristics. Author(s): X. Yu ...
Meeting Document : WG-EMM-18/42 : Author(s): X. Yu, X. Wang and X. Zhao
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PROPOSED REVISIONS TO THE CCAMLR SCHEME OF INTERNATIONAL SCIENTIFIC OBSERVATION
Abstract: The United States wishes to submit for the consideration of other Commission Members a ... proposal to revise CCAMLR’s Scheme of International Scientific Observation. The proposal attempts to ... , Designating Members, and Receiving Members. Author(s): Delegation of the USA Title: PROPOSED REVISIONS TO ... THE CCAMLR SCHEME OF INTERNATIONAL SCIENTIFIC OBSERVATION Approval: Approved ...
Meeting Document : CCAMLR-XXVII/32 : Author(s): Delegation of the USA
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Report of the biologist observer on vessel RKTS General Petrov - March to July 1995
Abstract: The report of the biologist- observer contains fishery and bio-statistical information ... periods of operation, fishing regime, data on krill biological state. Author(s): Delegation of Ukraine ... Title: Report of the biologist observer on vessel RKTS General Petrov- March to July 1995 Approval ...
Meeting Document : SC-CAMLR-XIV/BG/32 : Author(s): Delegation of Ukraine
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Report of biologist observer on commercial vessel RKTS General Petrov - April to August 1994
Abstract: The report of the biologist- observer contains fishery and biostatistical information ... periods of operation, fishing regime, data on krill biological state. Author(s): Delegation of Ukraine ... Title: Report of biologist observer on commercial vessel RKTS General Petrov- April to August 1994 ...
Meeting Document : SC-CAMLR-XIV/BG/30 : Author(s): Delegation of Ukraine
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Does the current South Georgia groundfish survey accurately estimate the standing stock of mackerel icefish?
bottom trawl survey, but evidence from predators and acoustics indicates that a considerable portion of ... short acoustic survey on FPRV Dorada showed that mackerel icefish, of all age classes, spend time in ... acoustic survey has the potential to give a better estimate of icefish biomass, however acoustic methods ... of icefish. Author(s): Agnew, D., Goss, C., Xavier, J., Belchier, M., Collins, M., Reid, K. Title ...
Meeting Document : WG-FSA-SAM-04/20 : Author(s): Agnew, D., Goss, C., Xavier, J., Belchier, M., Collins, M., Reid, K.