Resultados de la búsqueda
-
Erratum and Addendum - Modelling catch and effort data using generalised linear models, the Tweedie distribution, random vessel effects and random stratum-by-year effects – CCAMLR Science, 11: 59–80 (2004)
Paper Title: Erratum and Addendum- Modelling catch and effort data using generalised linear ... ModElling cAtch And Effort dAtA using gEnErAlisEd linEAr ModEls, thE twEEdiE distribution, rAndoM vEssEl ... available from the author. references Candy, S.G. 2004. Modelling catch and effort data using ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 221–222 : Autor(es): Candy, S.G
-
Developing the Secretariat’s data management systems
Abstract: The CCAMLR Secretariat’s data management systems provide the secure infrastructure and ... repository for CCAMLR data which are submitted by CCAMLR Members to support the policy, scientific and ... and data elements of the enterprise data model, data warehouse, quality assurance, reference data ... , data extracts and metadata, and the appraisal of candidate systems for automated loading of, and ...
Meeting Document : SC-CAMLR-XXXV/BG/25 Rev. 1 : Autor(es): CCAMLR Secretariat
-
DEVELOPMENT OF A METHODOLOGY FOR DATA QUALITY ASSESSMENT
biological sampling data from a fishing trip. In particular these measures aim to quantify the prevalence of ... position or time reporting errors, the diversity of catch, the extent to which catch data follow Benford ... 's Law for the distribution of the first significant digit, whether length-frequency data have been ... assist in assessing which data from a trip should be used in an assessment, and can also guide how these ...
Meeting Document : WG-SAM-08/13 : Autor(es): D.A.J. Middleton and A. Dunn (New Zealand)
-
Development of an algorithm designed to assess observer data quality and performance
Abstract: As part of the Secretariat task to ensure the quality and consistency of the data ... arising from the CCAMLR SISO, an algorithm was designed to automatically import and check data entered by ... fishery logbooks. In its current version the algorithm is able to detect and report invalid data formats ... weight of toothfish, and, an overall data entry quality score, are automatically generated. The first ...
Meeting Document : WG-SAM-13/40 : Autor(es): Secretariat
-
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 : Autor(es): S.J. Parker, B. Wood, S.M. Hanchet and A. Dunn (New Zealand)
-
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 : Autor(es): A. Dunn and S.M Hanchet (New Zealand)
-
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 : Autor(es): Agnew, D.J.
-
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 : Autor(es): Dunn, A. & Hanchet, S.M.
-
Assessing the accuracy of penguin breeding abundance estimates at regional scales in Antarctica from existing count data: a review using Adélie penguins as a case study
Abstract: There is a large body of existing count data in the literature for penguins at their ... breeding sites in Antarctica and the sub-Antarctic islands. These data have been summarised into several ... attempt to determine how the accuracy of regional scale abundance estimates derived from these data might ... existing data is developed and the assumptions underlying that estimator outlined. Existing data for Adelie ...
Meeting Document : WG-EMM-04/55 : Autor(es): C. Southwell (Australia)
-
Information from repeat acoustic transects to inform feedback management strategies: data for SG-ASAM 2016
vessels is one approach to collecting data to inform within season feedback management schemes. However, a ... lack of sufficient data exists from which to examine its efficacy. In addition to the time/monetary ... commitment by fishing nations to collect such data, a time series of data, like that collected by the U.S ... approaches. In this paper I present some basic information from data collected by the U.S. AMLR Program along ...
Meeting Document : SG-ASAM-16/04 : Autor(es): C.S. Reiss