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A bathymetric data framework for conservation in the Ross Sea region
Abstract: Bathymetric data are currently used inter alia to define management boundaries ... inform ecosystem-based management through bioregionalisation. Several data sources for bathymetric data ... exist, and these sources improve with time through additional data collection and improved analytical ... methods. We developed an algorithm to summarize bathymetric point data (x,y,z) for the Ross Sea region to ...
Meeting Document : WG-SAM-10/18 : Автор(ы): S.J. Parker, B. Wood, S.M. Hanchet and A. Dunn (New Zealand)
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2005/06 season
), using revised catch, CPUE, catch-at-age and tag-recapture data from New Zealand vessels. The updated ... entirely due to the impact of the catch-at-age data from the shelf fishery. Parameterising the model to ... better explain these data resulted in estimates of initial and current biomass that were very similar to ... those presented in 2005. The inclusion of the 2005 tag-release and the 2006 tag-recapture data had a ...
Meeting Document : WG-FSA-06/60 : Автор(ы): A. Dunn and S.M Hanchet (New Zealand)
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Maximum entropy reconstruction of stock distribution and inference of stock density from line-transect acoustic survey data
distribution from acoustic line-transect data. MaxEnt is founded on the bedrock of probability theory and ... allows the most efficient possible use of known data in the inference process. The method takes explicit ... account of spatial correlation in the observed data and seeks to reconstruct a distribution of density ... across the whole survey area that is both consistent with the observed data and for which the entropy is ...
Meeting Document : WG-EMM-02/35 : Автор(ы): A.S. Brierley, S.F. Gull and M.H. Wafy (United Kingdom)
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EXPLORATORY ASSESSMENT METHODS FOR EXPLORATORY FISHERIES: AN EXAMPLE CASE USING CATCH, IUU CATCH AND TAGGING DATA FOR DIVISION 58.4.3A
exploratory fisheries and by-catch species, where catch data and mark-recapture data are present but more ... detailed data, specifically age or length structured data on catches or surveys, is either missing or ... poorly sampled. As an example case we use the catch data, legal and IUU, and the mark-recapture data in ... ASSESSMENT METHODS FOR EXPLORATORY FISHERIES: AN EXAMPLE CASE USING CATCH, IUU CATCH AND TAGGING DATA FOR ...
Meeting Document : WG-SAM-08/05 : Автор(ы): R.M Hillary (UK)
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Data requirements for research fishing
-by-haul basis using the format used by research vessels (data form C4); and (2) research fishing ... haul-by-haul basis using the formats used during commercial fishing by vessels (data form C2) and ... research fishing being reported on a separate form. Author(s): Secretariat Title: Data requirements for ... Abstract: There are currently two sets of requirements for reporting data from vessels conducting ...
Meeting Document : WG-SAM-12/07 : Автор(ы): Secretariat
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Calculation of indices of sea-ice concentration using digital images from the National Snow and Ice Data Centre
Abstract: A method is described for calculating indices of sea ice distribution from digital data ... distributed by the National Snow and Ice Data Centre, Colorado, USA. Data consist of an image of the Antarctic ... , made up of 312x332 pixels, each having a dimension of 25x25km, for every day in the year. Primary data ... from these primary data. The techniques used are validated against alternative known data. Author(s ...
Meeting Document : WG-EMM-95/11 : Автор(ы): Agnew, D.J.
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Automated data processing using Echoview
Abstract: Increasing volumes of acoustic data are being collected which necessitates a ... reappraisal of many of the current methods for data processing and analysis. For some acoustic data sets ... manual processing is no longer an option; the large size of the data set is preventing analysis. This ... document provides an overview of an automated procedure for processing acoustic data that is illustrated ...
Meeting Document : SG-ASAM-15/01 : Автор(ы): M.J. Cox (Australia), G. Skaret (Norway), L.-M.K. Harrison and R. Harcourt (Australia)
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Acoustic data collection by the krill fishing industry to improve the monitoring of krill abundance
fishing vessel data collection program and provide advice on the timing and frequency for conducting ... acoustic transects; the methods for the data transmission to the Secretariat including the use of ... EchoExplore to provide a meta-data catalogue of the data and whether to have acoustic data transferred to the ... Secretariat as complete (raw) acoustic data files for processing and/or analysis products (e.g. from the ...
Meeting Document : SG-ASAM-2019/01 : Автор(ы): K. Reid and J. Arata
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Preliminary assessment models of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2005/06 season
), by including tag-recapture data for 2005–06 from New Zealand vessels. The updated assessment resulted ... model. The inclusion of the 2005 release and the 2006 recapture data had the effect of only slightly ... modifying the estimates from the models, suggesting that the new data had a similar pattern to that of ... previous years. Model sensitivities using tag-recapture data from all vessels, revised biological ...
Meeting Document : WG-FSA-SAM-06/11 : Автор(ы): Dunn, A. & Hanchet, S.M.
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Developing a Ross Sea region medium-term data collection plan
Abstract: Data are collected for use in scientific research, the results of which are used to ... inform management decisions made to achieve specific goals. Any data collection plan should be drawn from ... of a specific data collection and research plan for the Subarea 88.1 and 88.2 fisheries (SC ... Ross Sea region fisheries medium term data collection plan. This paper provides context with a brief ...
Meeting Document : WG-FSA-10/32 : Автор(ы): S. Mormede and S. Hanchet (New Zealand)
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