Search results
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Using outputs from spatial population models of Antarctic toothfish in the Ross Sea region to investigate potential biases in the single population model
assessment in the CCAMLR region. We recommend the further development of this method at future meetings ... assumptions of the stock assessment for Antarctic toothfish in the Ross Sea region using spatially explicit ... operating models. The method allows investigation of potential biases and uncertainty in the assumptions of ... Population Model (SPM), to develop spatially explicit movement models of the Antarctic toothfish in the Ross ...
Meeting Document : WG-FSA-12/45 : Author(s): S. Mormede and A. Dunn (New Zealand)
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Revised proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2016 and 2017
of 40 tonnes is requested for each survey. It is envisaged that the results of the 2016 survey ... of 40 tonnes is requested for each survey. It is envisaged that the results of the 2016 survey ...
Meeting Document : WG-FSA-15/34 : Author(s): S.M. Hanchet, S.J. Parker, S. Mormede and R.J.C. Currey (New Zealand)
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Research plan for toothfish in Divisions 58.4.4a and b by Shinsei Maru No. 3 in 2011/12
consists of three segments of Trot line system and Spanish line system respectively, will be conducted at ... 2010/11 fishing season with the aims of providing the data required for assessments of the population ... structure, size, movement and growth of Dissostichus spp. in the centered area of Division 58.4.4 a & b ... . In the 2010/11 a total of 189 D. eleginoides were tagged and released in SSRUs B and C. Four tagged D ...
Meeting Document : WG-SAM-11/07 : Author(s): Delegation of Japan
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Sea-surface temperature and krill catches around South Georgia in December–February 1989–1991 and 1999–2001
. Analyses of the data at the beginning of each summer season could enable us to evaluate the potential for ... 1989–1991 and 1999–2001 Abstract / Description: Monitoring of sea-surface temperatures (SSTs) in ... further analysis of SST maps, provides continuous information on hydrological conditions in the area ... conducting a krill fishery in the area during the entire year. The reliability of these forecasts could be ... the data at the beginning of each summer season could enable us to evaluate the potential for ... occur at the beginning of the summer fi shing season could be used for predicting krill catches for ... 2) on the SST map, which have a resolution of 2° x 2° and are centred at 54°S 41°W and 53°S 37°W ... mean monthly SST at the resolution of 1° x 1°. Temperature values were calculated with a precision ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 165–174 : Author(s): Vanyushin, G.P
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Detecting trends in the krill fishery
stocks is of limited value in plotting trends in the fishery at its current level. Predictions by Members ... Abstract: The development of the krill fishery can be monitored and predicted using a number of ... different sources of information. Information on current catches and scientific information on the krill ... of their future plans are also of limited use because they ultimately depend on the underlying ...
Meeting Document : WG-EMM-02/25 : Author(s): S. Nicol and J. Foster (Australia)
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A single-area stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in SSRU 88.2E for the 2004/05 season
-release and recapture data providing the most information on stock size, but with the catch-at-age data ... excluding preventing very low estimates of stock size. Monte-Carlo Markov Chain (MCMC) diagnostics suggested ... some evidence of non-convergence, particular in the declining right-hand limb of the fishing ... selectivity parameters. MCMC estimates of initial (equilibrium) spawning stock abundance (B0) were very ...
Meeting Document : WG-FSA-05/31 : Author(s): A. Dunn, D.J. Gilbert and S.M. Hanchet (New Zealand)
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IMPLEMENTATION OF FISHERY CONSERVATION MEASURES IN 2009/10
Abstract: Table of Contents Topic Page Introduction 1 Fisheries in 2009/10 1 Fishery monitoring 3 ... -02 7 Preliminary assessments of impacts of bottom fishing CM 22-06 7 Krill fisheries notified under ... 2009/10 9 INTRODUCTION 1. Conservation Measures (CM) and resolutions adopted at CCAMLR-XXVIII were ... 2010. These CMs and resolutions were published in the Schedule of Conservation Measures in Force in ...
Meeting Document : CCAMLR-XXIX/BG/10 : Author(s): Secretariat
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Interactions between seabirds and deep water hake trawl gear: an assessment of impacts in South African waters 2004/05
during 20 trips on 14 vessels between mid-2004 and end 2005. Long-winged albatrosses were killed most ... . Observations of interactions between seabirds and trawl gear were made on 331 trawls during 20 trips on 14 ...
Meeting Document : WG-FSA-06/41 : Author(s): B.P. Watkins, S.L. Petersen and P.G. Ryan (South Africa)
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Physical and behavioural influences on larval fish retention: contrasting patterns in two Antarctic fishes
dynamics and connectivity of C. gunnari and N. rossii populations at South Georgia in relation to prospects ... retention of the planktonic stages (eggs and larvae) of marine fish can play a key role in the maintenance ... of adult stocks. Here we use a numerical modelling approach to examine the influence of oceanographic ... and life history variability on the dispersal and retention of two species of Antarctic fish ...
Meeting Document : WG-FSA-12/P10 : Author(s): E.F. Young, J. Rock, M.P. Meredith, M. Belchier, E.J. Murphy and G.R. Carvalho
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WG-FSA-2019
. Okuda WG-FSA-2019/22 Annual report of research fishing operations at Subarea 48.6 in the 2018/19 fishing ... research fishing operations at Division 58.4.4b in the 2018/19 fishing season Delegations of Japan and ... for tips and tricks and videos. Before you arrive: Familiarise yourself with the functionality of the ... factors in new and exploratory toothfish fisheries Delegation of New Zealand CCAMLR-38/12 Rev. 1 IUU ...
Meeting