DATA QUALITY ASSESSMENT IN CCAMLR: REQUIREMENTS FOR MINIMUM INTEGRITY TESTING TO ENSURE THAT DATA ARE FIT FOR PURPOSE
Abstract: The level of data quality assessment and ‘certification’ as ‘fit for purpose’ depends ... upon the different requirements for the data, together with a recognition that, however thorough ... a validation exercise the data are exposed to, there will always be some data that require some additional ... confirmation of their validity. In the context of CCAMLR, data may undergo one set of quality testing in order ...
Meeting Document : WG-SAM-09/05 : Author(s): Secretariat
Krill CPUE standardisation and comparison with acoustic data based on data collected from Chinese fishing vessels in Subarea 48.1
Abstract: The usability of CPUE data as Antarctic krill abundance index was a widely discussed ... issue. Many studies suggested the CPUE data should be standardized before using as abundance/biomass ... index. We tried to develop general additive models to standardize the CPUE data collected from Chinese ... fishing vessels during 2009/10-2013/14 seasons. We also compared the CPUE data and acoustic data collected ...
Meeting Document : WG-EMM-17/41 : Author(s): Y. Ying, X. Wang, J. Zhu and X. Zhao
An update on using the CCAMLRGIS R package to create polygon data and access data on the CCAMLR online GIS
Abstract: To facilitate access to spatial data for use in analyses and generating graphics (i.e ... . maps) in R the CCAMLRGIS R package has been upgraded to provide direct access to polygon data that can ... be viewed on the online GIS. This package can also be used to create polygon data that can either be used ... GIS. In this paper we provide information on the data format requirements for generating polygon data ...
Meeting Document : WG-SAM-17/47 : Author(s): CCAMLR Secretariat
The reliability of VHF telemetry data for measuring attendance patterns of marine predators: a comparison with Time Depth Recorder data
Abstract: VHF radiotelemetry data has been used for over thirty years to monitor the behavior ... patterns of otariid seals. These data have been used in a wide variety of ways, from characterizing ... in attendance patterns. Yet the accuracy of VHF data has never been appropriately evaluated. Our study compares ... VHF data collected on 16 lactating Antarctic fur seals to assess onshore attendance, with concurrently ...
Meeting Document : WG-EMM-15/P05 : Author(s): A.D. Lowther, H. Ahonen, G. Hofmeyr, W.C. Oosthuizen, P.J. Nico De Bruyn, C. Lydersen and K. Kovacs
in accordance with the ‘ecosystem approach’. This report provides: Details on CEMP data that have been ... season A summary of available CEMP data and metadata and any issues encountered with data submitted ... to the Secretariat. An update on the spatial analysis of CEMP data in subarea 48.1 using Combined Standardised ... Indices (CSIs) for Breeding Seasons parameters and population size data. Author(s): CCAMLR Secretariat ...
Meeting Document : WG-EMM-17/17 : Author(s): CCAMLR Secretariat
data sets to enable investigation of long-term, large-scale ecosystem dynamics across the Southern ... Ocean. Historical data sets have a particular value in providing ‘baseline’ physical and biological data ... give an example of an historical data rescue project that is being conducted by ICED scientists ... and integration to aid monitoring and management of Southern Ocean ecosystems. We invite data holders to supply ...
Meeting Document : WG-EMM-13/19 : Author(s): N.M. Johnston, E.J. Murphy, J.R.D. Silk, C.M. Waluda, S.L. Hill and R.D. Cavanagh (United Kingdom) on behalf of the ICED Scientific Steering Committee
Abstract: The article is concerned with discussion of the Analysis of anomalous CPUE data from ... data-poor exploratory fisheries (WG-FSA-12/07). Key points of the paper were presented and discussed ... that a discussion on anomalous high CPUE in the specified areas using available data and techniques ... of the analysis of anomalous CPUE data from data-poor exploratory fisheries Approval: Approved ...
Meeting Document : WG-SAM-13/16 : Author(s): V.A. Tatarnikov, A.F. Petrov and I.I. Gordeev (Russia)
Growth models for D. eleginoides for the Heard Island plateau region (Division 58.5.2) calibrated from otolith-based length at age data and validated using mark-recapture data
Abstract: Length-at-age data for the Patagonian toothfish (Dissostichus eleginoides) caught ... than 20 years the general trend in the data of length with age did not exhibit obvious asymptotic ... of 2000 mm but the fit to the data was very poor. The Akaike Information Criterion indicated ... that the 2-segment linear model gave the best fit to the length-age data. We compare predictions from these models ...
Meeting Document : WG-FSA-05/64 Rev. 1 : Author(s): S.G. Candy, T. Lamb, A.J. Constable and R. Williams (Australia)
and Delegation of the Republic of Korea Title: Analysis of anomalous CPUE data from data-poor exploratory ... Analysis of anomalous CPUE data from data-poor exploratory fisheries ...
Meeting Document : WG-FSA-12/07 : Author(s): Secretariat and Delegation of the Republic of Korea
of principles to assist the Scientific Committee with developing a framework for research in data poor fisheries ... data collection plans in data-poor exploratory fisheries Approval: Approved ... with developing a framework for research in data poor fisheries, which could include exploratory fisheries as well ... Principles for evaluating data collection plans in data-poor exploratory fisheries ...
Meeting Document : WG-SAM-11/08 : Author(s): P.E. Ziegler, D.C. Welsford and A.J. Constable (Australia)