Search results
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Observation of fishing operation and distributional behaviour of krill on a krill trawler off Wilkes Land during the 1985/86 season
judge the towing direction. Size of fished swarms ranged from 100 m to 10 km with different distribution ... operation was described in detail. Fish finder was most useful in detecting swarms while sonar was used to ... in different fishing areas. While catch per towing time reflects within-swarm density catch per day ... was thought to be a good index to measure abundance of concentration. Comparison of such index across ...
Meeting Document : SC-CAMLR-VI/BG/35 : Author(s): T. Ichii (Japan)
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Dynamics of abundance and state of Notothenia rossii rossii stocks on the Kerguelen Island shelf
Abstract: Population structure and dynamics of the abundance of Notothenia rossii rossii on the ... Kerguelen Island shelf from the beginning of the fishery to 1984 has been examined.Total and commercial ... calculation by mathematical modelling.Comparative estimates of the abundance and recruitment-remainder ratio ... for the period of 1970-1984 have been presented, the average age of recruitment has been stated ...
Meeting Document : WG-FSA-90/41 : Author(s): P.B. Tankevich and V.A. Shlyakhov (YugNIRO, USSR)
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Modelling Movement of Antarctic Krill (MMAK): the importance of retention, dispersal and behaviour for krill distribution
the regional and local-scale processes that influence the distribution of krill in CCAMLR Area 48 ... Abstract: Effective management of the Antarctic krill (Euphausia superba, hereafter krill ... ) fishery requires an understanding of the controls on the distribution and abundance of krill ... . Particularly important are the pathways and timescales of movement and retention affecting krill distribution ...
Meeting Document : WG-EMM-17/31 : Author(s): S. Thorpe, E. Young and E. Murphy
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Developing conceptual models of elements of the Antarctic marine ecosystem: Adélie penguins
Abstract: In this paper we present a simple generalised conceptual life history model of Adélie ... (Australia) Title: Developing conceptual models of elements of the Antarctic marine ecosystem: Adélie ... penguins based primarily on data collected from Béchervaise Island, East Antarctica. The model uses life ... history categories based on an individual penguins reproductive potential in any given year, their past ...
Meeting Document : WG-EMM-04/53 : Author(s): L.M. Emmerson, J. Clarke, M. Tierney and L. Irvine (Australia)
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CCAMLR Scheme of International Scientific Observation: review of the Scientific Observers Manual
Abstract: The rationale for the proposed main review of the Scientific Observer Manual and a ... Scheme of International Scientific Observation: review of the Scientific Observers Manual Approval ... report on intersessional work undertaken in 2004 are presented. Author(s): Secretariat Title: CCAMLR ...
Meeting Document : WG-FSA-04/16 : Author(s): Secretariat
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Report of scientific observations of commercial krill harvest aboard the Japanese stern trawler Chiyo Maru No. 5 2 August 2003–21 September 2003
, biological measurements of krill, product types, vessel and marine mammal observations are described in the ... CCAMLR Scientific Observers Manual. Summary of the fishing efforts, processing, fish by-catches ... report. The trawler made remain trips the west and north areas of South Georgia Island during observation ... . 5, from 4 August 2003 to 21 September 2003. The observation was essentially undertaken following the ...
Meeting Document : WG-EMM-04/42 : Author(s): T. Hayashi, M. Naganobu and K. Taki (Japan)
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Developing conceptual models of elements of the Antarctic marine ecosystem: Antarctic krill (Euphausia superba)
as an evolved product of interactions between the species and its environment. In particular, the ... S. Kawaguchi (Australia) Title: Developing conceptual models of elements of the Antarctic marine ... based on observations and data from the literature. The model attempts to take into account the observed ... model focuses on the different forces that act on the larval and adult stages. Author(s): S. Nicol and ...
Meeting Document : WG-EMM-04/50 : Author(s): S. Nicol and S. Kawaguchi (Australia)
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Finding of a tag on toothfish from the stomach of Dissostichus mawsoni
Abstract: In the stomachs of caught Dissostichus mawsoni, specimen of the Dissostichus species ... the stomach of Dissostichus mawsoni Approval: Approved Secretariat Workflow Status: Content Approved ... with tag found. Author(s): L. Pshenichnov and P. Zabroda Title: Finding of a tag on toothfish from ...
Meeting Document : WG-FSA-18/03 : Author(s): L. Pshenichnov and P. Zabroda
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Outline details of the proposed aerial photographic survey at South Georgia for estimating breeding population sizes of land-based predators
Abstract: This paper describes current research plans to estimate the size of land-based marine ... with commercial fisheries. The research will also develop methodologies that reliably assess trends in ... the abundance of these populations. The research will focus upon predator species that depend upon ... develop new methods that reliably estimate predator population sizes whilst minimising the level of ...
Meeting Document : WG-EMM-01/24 : Author(s): P. Trathan and D. Briggs (United Kingdom)
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A system-of-equations approach to modeling age structured fish populations: the case of Alaskan red king crab, Paralithodes camtschaticus
variable, lessening the effect of measurement errors in estimation. The dynamic features of the underlying ... properties of a delay-difference model. The framework shares a common spawner-recruit function across age ... approach to modeling age structured fish populations: the case of Alaskan red king crab, Paralithodes ... Abstract: This paper presents a simultaneous system-of-equations approach to modeling age ...
Meeting Document : WS-CRAB-93/23 : Author(s): J.A. Greenberg, S.C. Matulich and R.C. Mittelhammer (USA)