Résultats de la recherche
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Notes on the use of virtual population analysis for stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1990/91 and 1991/92 seasons
was composed of a large proportion of 5 year olds, which was not observed during the survey on ... attributed to the invalid assumption of constant M and contradictions in the input data. A conservative ...
Meeting Document : WG-FSA-92/27 : Auteur(s): G. Parkes (United Kingdom)
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Acoustic data analysis and models of krill spatial distribution
biomass estimate. The wavenumber spectrum resembles a white noise at scales of 2-20 km, although at scales ... . These results of data analysis suggest that krill patch size or rather a basic swarm size should be ...
Meeting Document : SC-CAMLR-VII/BG/25 : Auteur(s): United States of America
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Survey estimates of recruitment of toothfish in Subarea 48.3
several unexplainable errors. A new, corrected, series of recruitment estimates was derived using new ... consistently determined from the survey data. The expected reduction in cohort density with time at a log-scale ...
Meeting Document : WG-FSA-SAM-04/16 : Auteur(s): Collins, M., Wakeford, R.C., Moir-Clark, J., Belchier, M., Agnew, D.J.
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Estimating the level of illegal fishing using simulated scaling methods on detected activity
such activity. For assessment purposes, this highlights a general problem that the method of ... observation has a strong effect on the behaviour of the system (of the illegal fishing cruises). It may be ...
Meeting Document : WG-FSA-SAM-04/14 : Auteur(s): Ball, I.
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Using mark-recapture and catch-age data to estimate fishing and natural mortality for the Patagonian toothfish at South Georgia
Abstract: This paper develops a Bayesian mark-recapture model for estimating both fishing and ... model was applied to, a consistent picture emerged. Both natural and fishing mortality were estimated to ...
Meeting Document : WG-FSA-SAM-06/06 : Auteur(s): R.M. Hillary and D.J. Agnew (United Kingdom)
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Report of vulnerable marine ecosystems in South Georgia Islands (CCAMLR Subarea 48.3) through research dredge sampling
inclusion in the CCAMLR VME registry, were detected during a research cruise performed by the National ... April-May of 2013. VMEs were established from the finding of high densities of indicator taxa through a ...
Meeting Document : WG-FSA-13/58 : Auteur(s): E. Gaitán, L. Schejter, D. Giberto, M. Escolar and C. Bremec (Argentina)
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Updated progress report on the research fishery for Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan and South Africa: 2012/13 and 2013/14
Abstract: Japan and South Africa initiated a multi-year research plan in Statistical Subarea 48.6 ... and replaces WG-SAM-14/10. Over the first 19 months of the Research fishery a total of 279 ...
Meeting Document : WG-FSA-14/67 : Auteur(s): R. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa)
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Joint CEP/SC-CAMLR workshop (2016) on climate change and monitoring
hold a second Joint CEP/SC-CAMLR Workshop in 2016. The agreed general scope of the workshop is to ... a draft Agenda, based on the proposed Terms of Reference Make further nominations for the Steering ...
Meeting Document : WG-EMM-15/18 : Auteur(s): S. Grant (UK) and P. Penhale (USA)
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Progress by WG-EMM-STAPP in estimating krill consumption by air-breathing predators within CCAMLR areas
penguin abundance are now available for Areas 48, 88 and 58, and a large-scale estimate of non-breeder ... abundance is now available for Adélie penguins in Area 58. Parametising a bio-energetics model recently ...
Meeting Document : WG-EMM-16/68 : Auteur(s): C. Southwell and P. Trathan
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Progress on Southern Ocean protection and vessel activity
to meet at least the ICE-1C ice classification standard and introducing a two-tier level of training ... for fishing vessel crews in the CCAMLR area via a new Conservation Measure. Author(s): Submitted by ...
Meeting Document : CCAMLR-XXXV/BG/25 : Auteur(s): Submitted by ASOC