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  • CCAMLR Science, Volume 18 (2011)

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CCAMLR Science, Volume 18 (2011)

This is the 18th volume of CCAMLR Science and the contents reflect the important science that supports CCAMLR’s management of the marine living resources of the Southern Ocean. In particular there is a suite of papers that address key aspects of improving assessment of the population status of toothfish and of assessing the risk associated with gathering data and interpreting indicators from populations that may be depleted. The suite of papers on krill cover the spectrum of analysis of data gathered on fishing vessels to using trends in patents to predict the future for krill fishing; as well as a description of the analysis of acoustic data to determine krill biomass.

During 2010 there were five meetings of the specialist groups of the Scientific Committee of CCAMLR, covering acoustics, statistics and modelling, ecosystem monitoring and management, fish stock assessment and at-sea operations. A total of 104 working papers were presented at these meetings. This volume consists
of papers that were submitted to those meetings and have been through the scrutiny of those specialist groups as well as the more traditional peer-review process.

The papers in this volume of CCAMLR Science broadly reflect the important areas of research used to provide advice on the management of fishing in the Convention Area. For example, in the case of toothfish there are papers that develop our understanding of the dynamics of fish populations through improved natural mortality estimates, examine the potential costs of research catches as well as the potential spatial overlap with vulnerable benthic habitats. In the case of Antarctic krill, there are papers that describe how abundance estimates are derived from acoustic data, details of the krill and fish by-catch taken in the krill fishery and a novel paper looking at market predictors of the future krill fishery.

Publication of this volume of CCAMLR Science coincides with the 30th meeting of the CCAMLR Scientific Committee. Over those 30 years, several thousand scientific papers have been presented to CCAMLR meetings and provide the basis for the science-based decision-making by CCAMLR. One of the most striking changes over the past 30 years is the increase in the number of scientific journals in which work of relevance to CCAMLR is published. This is undoubtedly driven by the need to publish (or be damned), however, quite often authors refer to their findings being ‘important to CCAMLR’ yet those papers do not get submitted for  consideration by CCAMLR. I would urge all authors who consider that their papers may be relevant to CCAMLR to contact the CCAMLR Representative for their country (or the CCAMLR Secretariat) to investigate ways to maximise the potential impact of their important science.

Journal Papers

Candy, S.G. (2011), Estimation of natural mortality using catch-at-age and aged mark-recapture data: a multi-cohort simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation.
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Candy, S.G., D.C. Welsford, T. Lamb, J.J. Verdouw and J.J. Hutchins (2011), Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground
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Welsford, D.C (2011), Evaluating the impact of multi-year research catch limits on overfished toothfish populations
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Ziegler, P.E., D.C. Welsford and A.J. Constable (2011), Length-based assessments revisited – why stock status and fishing mortality of long-lived species such as toothfish cannot be inferred from length-frequency data alone
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Sutton, C.P. and P.L. Horn (2011), A preliminary assessment of age and growth of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica
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Parker, S.J. and M.H. Smith (2011), Can toothfish catches be used to predict the presence of vulnerable benthic invertebrate taxa?
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Calise, L. and G. Skaret (2011), Sensitivity investigation of the SDWBA Antarctic krill target strength model to fatness, material contrast and orientation
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Sologub, D.O. and A.V. Remeslo (2011), Distribution and size–age composition of Antarctic krill (Euphausia superba) in the South Orkney Islands region (CCAMLR Subarea 48.2).
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Foster, J., S. Nicol and S. Kawaguchi (2011), The use of patent databases to predict trends in the krill fishery
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Taki, K., M. Kiyota, T. Ichii and T. Iwami (2011), Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean.
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Iwami, T., M. Naganobu, K. Taki and M. Kiyota (2011), Annual changes in species composition and abundance of myctophid fish in the north of South Georgia (Subarea 48.3), Antarctica, during austral winters from 2002 to 2008
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Editors (2011), Editorial
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This page was last modified on 24 Apr 2013

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