Resultados de la búsqueda
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A method for estimating recruitment and mortality from time series of length-density data
-likelihood function based on one or more cohorts for which their abundance has been estimated in two or more ... years. A worked example is provided in an appendix. Author(s): A. Constable and I. Ball (Australia ... Abstract: Estimates of natural mortality are currently unavailable for Patagonian toothfish. Such ... estimates are needed for estimating recruitments and for use in assessing yield. This paper proposes a ...
Meeting Document : WG-FSA-00/52 : Autor(es): A. Constable and I. Ball (Australia)
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ALLOCATING THE PRECAUTIONARY CATCH LIMIT FOR KRILL AMONGST THE SMALL-SCALE MANAGEMENT UNITS IN AREA 48: THE IMPLICATIONS OF DATA UNCERTAINTIES
Abstract: Over the past few years WG-EMM has been developing a management procedure for the krill ... - subdivision based on the distribution of historical catches). In recognising the need for a “staged ... candidate methods for subdividing the catch limit and rejected one of them as unsuitable (Option 1 ... of two further options (Option 5- adjustable catch limits within SSMUs and Option 6- structured ...
Meeting Document : WG-EMM-08/12 : Autor(es): P.N. Trathan and S.L. Hill (United Kingdom)
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Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica
Paper Title: Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea ... during the 2005/06 fishing season. These observers were placed on board three longline vessels targeting ... consistent with previous research. Regression equations for converting standard length to total length and ... for defining length–weight relationships were calculated and presented for both male and female fish ... larger mean asymptotic maximum size than males. Maximum ages of 8 and 11 years were obtained for male ... , includ- ing data on length and reproduction. Kock et al. (2006) documented evidence for egg brooding and ... less than two per set as icefish were not caught on every line. Based on instruction from the New ... number of opaque zones present for fish i; w = an edge interpretation correction after Francis et al ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 139–165 : Autor(es): Sutton, C.P., M.J. Manning, D.W. Stevens and P.M. Marriott
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Rajid by-catch in the longline fishery for toothfish in Subarea 48.3
Rocks and South Georgia, achieved average catch rates of over 1 ray/thousand hooks, and 20-30 rays ... preliminary analysis of data collected by UK scientific observers on vessels fishing toothfish in Subarea 48.3 ... 34.7/thousand hooks for toothfish and 2.2/thousand hooks for grenadier species. Generalised linear ... models demonstrated that there are significant differences between the catch rates of rays for different ...
Meeting Document : WG-FSA-99/40 : Autor(es): D.J. Agnew, J. Taylor and I. Everson (United Kingdom)
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Analyses of ice conditions in the research area proposed by Ukraine for a multi-year Dissostichus research program in Statistical Subarea 48.1
Abstract: The Ukraine submitted to WG SAM 2018 a proposal for a new toothfish research program in ... . Brey Title: Analyses of ice conditions in the research area proposed by Ukraine for a multi-year ... Subarea 48.1 (see document WG-SAM-18/11). The research area, which Ukraine intends to use for the new ... at SAM 2018 (WG-SAM-18/01). The results demonstrate that in the months from January to April (when ...
Meeting Document : WG-FSA-18/01 : Autor(es): H. Pehlke, S. Hain, K. Teschke and T. Brey
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Australia: Relevant references for the Patagonian toothfish (Dissostichus eleginoides) stock assessment in Division 58.5.2
quantity of data from a multi-year tagging program on bias and precision of biomass estimates from an ... S.G. Candy (2007) an assessment strategy evaluation framework for testing the Application of a CASAL ... catch-at-age data and two years of survey abundance-at-age data. Document WG-SAM-09/07, CCAMLR, Hobart ... study comparing estimation for a model based on the Baranov equations versus a new mortality equation ...
Document : Site Section: Meetings
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A feedback management strategy for the krill fishery in Subarea 48.1
year. We used historical data to conduct retrospective analyses of our FBM strategy for two gSSMUs ... Abstract: We present a Stage-2 strategy for in-season feedback management (FBM) of the krill ... fishery in Subarea 48.1. This strategy is a combination of two strategies that were separately proposed ... to the WG-EMM in 2015 and is based on a broad foundation of work undertaken to address a suite of ...
Meeting Document : WG-EMM-16/48 : Autor(es): G.M. Watters, J.T. Hinke and C.S. Reiss
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Outline for year 2 of the 3-year longline survey to determine toothfish population connectivity between Subareas 48.2 and 48.4
and two-year data analysis plan leading towards the development of a stock hypothesis for the eastern ... second year of an agreed 3-year longline survey, in the wider context of connecting the recently ... information on tag-recapture data from the first year of the survey, and includes a three-year data collection ... Abstract: This paper outlines the specific research objectives and plan to achieve them for the ...
Meeting Document : WG-FSA-17/45 : Autor(es): M. Söffker and M. Belchier
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OTOLITH-BASED AGEING OF THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS: MODELLING FIXED AND RANDOM READER ERROR USING MULTIPLE READINGS OF A REFERENCE COLLECTION
calibration require an ageing error matrix as input in order to adequately account for uncertainty in the data ... nearest integer (NI) value deviations, denoted as integer errors (IE), from the mean age for an individual ... Abstract: Integrated assessments that use catch-at-age or abundance-at-age data for model ... describes the methods and results used to provide an ageing error matrix to the HIMI toothfish integrated ...
Meeting Document : WG-FSA-09/21 : Autor(es): S.G. Candy, G.B. Nowara, D.C. Welsford and J.P. McKinlay (Australia)
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OTOLITH-BASED AGEING OF THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS: MODELLING FIXED AND RANDOM READER ERROR USING MULTIPLE READINGS OF A REFERENCE COLLECTION
calibration require an ageing error matrix as input in order to adequately account for uncertainty in the data ... nearest integer (NI) value deviations, denoted as integer errors (IE), from the mean age for an individual ... Abstract: Integrated assessments that use catch-at-age or abundance-at-age data for model ... describes the methods and results used to provide an ageing error matrix to the HIMI toothfish integrated ...
Meeting Document : WG-SAM-09/07 : Autor(es): S.G. Candy, G.B. Nowara, D.C. Welsford and J.P. McKinlay (Australia)