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Comparison of age- and length-based harvest control rules for the South Georgia icefish (Champsocephalus gunnari) fishery
age vector for the population. An age-based harvest control rule was then applied using the operating ... Abstract: An age-based operating model was constructed and used to derive an initial numbers at ... (United Kingdom) Title: Comparison of age- and length-based harvest control rules for the South Georgia ... model dynamics and assuming perfect knowledge of the resource (initial numbers at age, maturity and ...
Meeting Document : WG-SAM-10/12 : Autor(es): C.T.T. Edwards, R.M. Hillary, R.E. Mitchell and D.J. Agnew (United Kingdom)
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A von Bertalanffy growth model for Division 58.5.2 fitted to length-at-age data and a comparison of predicted with observed growth from mark–recapture data
Abstract: Length-at-age data for the Patagonian toothfish (Dissostichus eleginoides) caught by ... weighted least squares (IWLS) substantially under-predicted mean length-at-age for older ages compared to ... -age for young fish. Author(s): S.G. Candy, A.J. Constable, T. Lamb and R. Williams (Australia) Title ... : A von Bertalanffy growth model for Division 58.5.2 fitted to length-at-age data and a comparison of ...
Meeting Document : WG-FSA-SAM-06/07 : Autor(es): S.G. Candy, A.J. Constable, T. Lamb and R. Williams (Australia)
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DEVELOPMENT OF SPATIALLY EXPLICIT AGE-STRUCTURED POPULATION DYNAMICS OPERATING MODELS FOR ANTARCTIC TOOTHFISH IN THE ROSS SEA
program allows implementation of an aggregate movement model for use with large numbers of areas as a ... OF SPATIALLY EXPLICIT AGE-STRUCTURED POPULATION DYNAMICS OPERATING MODELS FOR ANTARCTIC TOOTHFISH IN ... Abstract: We present developments towards spatially explicit age-structured population dynamics ... operating models for Antarctic toothfish in the Ross Sea. The operating models consider both a coarse-scale ...
Meeting Document : WG-SAM-09/18 : Autor(es): A. Dunn, S. Rasmussen and S. Hanchet (New Zealand)
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Age-length key for Champsocephalus gunnari from Subarea 48.3; Holmberg survey, February 1995
Abstract: An age-length key was prepared for Champsocephalus gunnari from the Subarea 48.3, based ... length at age was found for age groups one and two. Mean lengths at age reported here for South Georgia ... specimens (>34 cm) were scarce. Age groups 1-5 and 2-4 were well represented at South Georgia and Shag ... are in line with previous results. Author(s): Casaux, R., Marschoff, E., Barrera-Oro, E. Title: Age ...
Meeting Document : WG-FSA-95/37 : Autor(es): Casaux, R., Marschoff, E., Barrera-Oro, E.
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Manual for age determination of Antarctic toothfish (Dissostichus mawsoni)
Abstract: Production of an age determination manual for Antarctic toothfish (Dissostichus mawsoni ... Limited (NIWA) for estimating age of D. mawsoni. It uses otoliths collected from the Ross Sea region and ... ) Title: Manual for age determination of Antarctic toothfish (Dissostichus mawsoni) Approval: Approved ... ) is part of the focus of the SC-CAMLR workplan for 2010. The aim of the current work was to produce a ...
Meeting Document : WG-FSA-10/21 : Autor(es): C.P. Sutton and P.L. Horn (New Zealand)
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Age/length key for Champsocephalus gunnari 1990/91 Falklands Protector survey January/February 1991
survey in sub-area 48.3 during January and February 1991. An age length key based on age readings taken ... from these otoliths is presented. Author(s): UK/Poland/Germany Title: Age/length key for ...
Meeting Document : WG-FSA-91/17 : Autor(es): UK/Poland/Germany
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Manual for age determination of Antarctic toothfish, Dissostichus mawsoni V2
Abstract: An age determination manual for Antarctic toothfish (Dissostichus mawsoni) was produced ... for CCAMLR in 2010. The manual has been updated to include the development and use of a reference set ... to provide training and refresher material for agers, and to formally track reader performance and ... evaluation of D. mawsoni aging data for use in stock assessment. Author(s): C.P. Sutton, P.L. Horn and S.J ...
Meeting Document : WG-FSA-12/43 Rev. 1 : Autor(es): C.P. Sutton, P.L. Horn and S.J. Parker (New Zealand) (The R Library file is available from the Secretariat on request)
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Chemical marking protocols for Antarctic starry skate age validation
skates brought into the boat for tagging during the 2019-20 skate tagging programme in the Ross Sea ... . Francis and S. Parker Title: Chemical marking protocols for Antarctic starry skate age validation ... Abstract: A field study is planned to validate the thorn ageing method for Antarctic starry skate ... a selection of caudal thorns removed and frozen, and returned to Wellington for lab analysis. The ...
Meeting Document : WG-SAM-2019/10 : Autor(es): M. Francis and S. Parker
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Towards a new method for age determination in Antarctic krill, and evidence that krill shrink under natural conditions
. Author(s): W. de la Mare (Australia) Title: Towards a new method for age determination in Antarctic ... summer show an apparent linear relationship between crystalline cone number and body-length. From a ... be a more reliable indicator of age than body-length alone. The ratio of crystalline cone number to ... body-length offers a method for detecting the effect of shrinking in natural populations of krill. On ...
Meeting Document : WG-Krill-94/17 : Autor(es): W. de la Mare (Australia)
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Age/length key for Champsocephalus gunnari from South Georgia; Hill Cove survey, January 1990
key for this survey is proposed, based on data from a previous survey in the area. The revised age ... (United Kingdom) Title: Age/length key for Champsocephalus gunnari from South Georgia; Hill Cove survey ... Abstract: Discrepancy was noted between the age length key and modes in the length distribution ... of Ch. gunnari from the Hill Cove survey around South Georgia in January 1990. A revised age length ...
Meeting Document : WG-FSA-91/18 : Autor(es): G. Parkes (United Kingdom)