Search results
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Spatial distribution of Champsocephalus gunnari size and age are related with depth
to detect associations between the sizes of Champsocephalus gunnari (also age classes), Gobionotothen ... eleginoides and depth of catch, as well as among C. gunnari age classes. Except D. eleginoides median sizes ... of age I- present maximum difference with the older age classes at about 150 meters a result which might ... be used to fish different age fractions of the populations, thus regulating the age composition ...
Meeting Document : WG-FSA-97/45 : Author(s): Marschoff, E.R., Serra, J.A., Gonzalez, B., Calcagno, J.
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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 ... of age estimates contributing to stock assessment. Author(s): C.P. Sutton and P.L. Horn (New Zealand ... ) Title: Manual for age determination of Antarctic toothfish (Dissostichus mawsoni) Approval: Approved ...
Meeting Document : WG-FSA-10/21 : Author(s): C.P. Sutton and P.L. Horn (New Zealand)
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Age/length key for Champsocephalus gunnari from South Georgia; Hill Cove survey, January 1990
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 key ... for this survey is proposed, based on data from a previous survey in the area. The revised age length key ... collected during a subsequent survey in the same season. Author(s): G. Parkes (United Kingdom) Title: Age ...
Meeting Document : WG-FSA-91/18 : Author(s): G. Parkes (United Kingdom)
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Verification of the CMIX procedure on species with known age-length keys
Abstract: Calculation of age composition of density-at-length data produced during inventory ... Subarea 26. Age-length keys for 1995-2001 and length frequency data obtained during the surveys carried ... in the estimates of age composition proportions calculated using the CMIX method from those determined from age ... -length keys (ALK) computed based on the materials of direct age reading may be significant reaching 100 ...
Meeting Document : WG-FSA-SAM 03/5 : Author(s): P. Gasiukov (Russia)
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A system-of-equations approach to modeling age structured fish populations: the case of Alaskan red king crab, Paralithodes camtschaticus
Abstract: This paper presents a simultaneous system-of-equations approach to modeling age ... -structured populations using trawl survey age/size frequency data. The analysis builds upon a Ricker spawner ... properties of a delay-difference model. The framework shares a common spawner-recruit function across age ... age-structured population are retained through age-specific net survivability and growth parameters ...
Meeting Document : WS-CRAB-93/23 : Author(s): J.A. Greenberg, S.C. Matulich and R.C. Mittelhammer (USA)
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Information report on the age determination methods of toothfish Dissostichus spp.
Abstract: The document presents the experience of the age determination of toothfish of the genus ... collected in the CCAMLR Convention Area. The equipment used, the procedure for processing and reading age ... to solve them. Author(s): I.V. Slypko and P.M. Zabroda Title: Information report on the age determination ... The document presents the experience of the age determination of toothfish of the genus ...
Meeting Document : WG-SAM-18/29 : Author(s): I.V. Slypko and P.M. Zabroda
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Preliminary results of age determination by otolith mass in mackerel icefish Champsocephalus gunnari Lonnberg 1905 in the Heard Island area (Australia)
Abstract: To determine mackerel icefish Champsocephalus gunnari age, otolith mass was used ... analysis method. Five age groups were defined. Bertalanffi linear growth equation was calculated: Lt=41.73 ... (1-e-0.5149(1+0.05225)) On this basis the size-age key for this season has been estimated. Author(s): I.B ... . Russelo (Ukraine) Title: Preliminary results of age determination by otolith mass in mackerel icefish ...
Meeting Document : WG-FSA-94/08 : Author(s): I.B. Russelo (Ukraine)
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2019 update of ongoing work on age and growth of Antarctic toothfish (Dissostichus mawsoni) from Divisions 58.4.1 and 58.4.2
Abstract: Spanish and Australian scientists are working on the age and growth estimates ... scientists have joined this colaborative work. Age-length frequencies from the three members are shown ... of Australia, Republic of Korea and Spain Title: 2019 update of ongoing work on age and growth of Antarctic ... Spanish and Australian scientists are working on the age and growth estimates of Antarctic ...
Meeting Document : WG-FSA-2019/47 : Author(s): Delegations of Australia, Republic of Korea and Spain
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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 ... of D. mawsoni aging data for use in stock assessment. Author(s): C.P. Sutton, P.L. Horn and S.J. Parker (New ... Zealand) (The R Library file is available from the Secretariat on request) Title: Manual for age ... An age determination manual for Antarctic toothfish (Dissostichus mawsoni) was produced for CCAMLR ...
Meeting Document : WG-FSA-12/43 Rev. 1 : Author(s): 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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Comparative data on size–age composition and growth of Antarctic toothfish Dissostichus mawsoni in Ross Sea, Amundsen Sea and Weddell Sea
Abstract: Comparative data on size-age composition and growth of Antarctic toothfish D. mawsoni ... data on size–age composition and growth of Antarctic toothfish Dissostichus mawsoni in Ross Sea ... Comparative data on size-age composition and growth of Antarctic toothfish D. mawsoni ... Comparative data on size–age composition and growth of Antarctic toothfish Dissostichus mawsoni ...
Meeting Document : WG-FSA-14/15 : Author(s): A.F. Petrov, E.N. Kyznetsova, S.V. Piyanova and I.I. Gordeev (Russia)