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1. Developing layers for a Risk Assessment for Subarea 48.1 using data from at-sea sightings

   framework requires data layers describing the distribution and krill consumption by krill-dependent ... Abstract:  CCAMLR has endorsed the use of the Risk Assessment framework to apportion the krill ... catch limits in order to minimise the risk of the fishery to krill dependent predators. We plan to apply ... identify the most appropriate way to spread catch limits for the krill fishery. The risk assessment ...

   Meeting Document : WG-EMM-2019/23 : Autor(es): V. Warwick-Evans, L. Dalla Rosa, E. Secchi, E. Seyboth, N. Kelly and P.N. Trathan

2. Summary of incidental mortality associated with fishing activities collected in scientific observer and vessel data during the 2018 season

   fisheries in which seabird mortalities have been reported are presented with the data from observers and ... Abstract:  This paper summarises data collected by Scheme of International Scientific Observation ... vessel supplied data. Based on data received up to 8 October 2018, the extrapolated total of 87 birds ... associated with fishing activities collected in scientific observer and vessel data during the 2018 season ...

   Meeting Document : WG-FSA-18/13 Rev. 1 : Autor(es): CCAMLR Secretariat

3. Acoustic and catch data collected by the fleet – relevance for feedback management

   Abstract:  The Norwegian fishing vessels involved in krill fisheries are also used to carry out ... these data and demonstrate potential applications for example to extract information on changes in ... vertical and horizontal distribution patterns over the season. The data are scrutinized using standard ... CCAMLR routines for separating krill backscatters from other organisms. The South Orkney fishing grounds ...

   Meeting Document : WG-EMM-15/13 : Autor(es): O.R. Godø, T. Klevjer and G. Skaret (Norway)

4. Summary of incidental mortality associated with fishing activities collected in scientific observer and vessel data during the 2019 season

   longline fisheries in which seabird mortalities have been reported are presented with the data from ... Abstract:  This paper summarises data collected by Scheme of International Scientific Observation ... observers and vessel supplied data. Based on data received up to 8 October 2019, the extrapolated total ... associated with fishing activities collected in scientific observer and vessel data during the 2019 season ...

   Meeting Document : WG-FSA-2019/16 Rev. 2 : Autor(es): CCAMLR Secretariat

5. Modelling catch and effort data using generalised linear models, the Tweedie distribution, random vessel effects and random stratum-by-year effects

   Paper Title:  Modelling catch and effort data using generalised linear models, the Tweedie ... standard method for modelling catch and effort data for Patagonian toothfish (Dissostichus eleginoides) for ... described. The methods are demonstrated using catch and effort data from two commercial D. eleginoides ... fisheries: the longline fishery around South Georgia (Subarea 48.3) and the trawl fishery around Heard ... (2004): 59–80 59 MODELLING CATCH AND EFFORT DATA USING GENERALISED LINEAR MODELS, THE TWEEDIE ... current standard method for modelling catch and effort data for Patagonian toothfi sh (Dissostichus ... described. The methods are demonstrated using catch and effort data from two commercial D. eleginoides fi ... data Introduction Since 1995, standardisation of commercial catch- per-unit-effort (CPUE) data for ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 59–80 : Autor(es): Candy, S.G

6. Hydroacoustic data obtained around Elephant Island and South Orkney Islands during austral summer 2018

   Abstract:  This document presents the analysis of acoustic data obtained during the austral summer ... geographical distribution of krill concentrations and the presence of fish shoals are described in an area of ... South Orkney Islands (1,120 nm). Concentrations of krill (Euphausia superba), the pelagic species with ... . Arana Title:  Hydroacoustic data obtained around Elephant Island and South Orkney Islands during austral ...

   Meeting Document : WG-FSA-18/05 : Autor(es): N.A. Alegría and P.M. Arana

7. Maximum entropy reconstruction of stock distribution and inference of stock density from line-transect acoustic survey data

   approximately 1600 observed data. We inferred krill density for all 32000 0.5 x 0.5 km cells in the area. The ... 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 ...

   Meeting Document : WG-EMM-02/35 : Autor(es): A.S. Brierley, S.F. Gull and M.H. Wafy (United Kingdom)

8. A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region incorporating multi-year mark-recapture data

   Sea Region incorporating multi-year mark-recapture data Abstract / Description:  An exploratory ... of tagged fish and subsequent multi-year data of recapture of tagged fish in conjunction with fishery ... catch-at-age data. This is the first published stock assessment of toothfish in the Ross Sea region. It ... showed the data selection provided a precautionary estimate of biomass, and that these estimates were ... -recapture and fisheries length- frequency data (yearly age-frequency data were not available at the time ... analyzing catch at age data. International Com- mission for the Northwest Atlantic Fisheries Research ... , R.I.C.C. 2011a. Corrigendum: Data weighting in statistical fisheries stock assess- ment models. Can. J ... and catch-at-age data at South Georgia. Document WG-FSA-06/54. CCAMLR, Hobart, Australia: 12 pp ...

   Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 39–62 : Autor(es): Mormede, S., A. Dunn and S.M. Hanchet

9. The CCAMLR Taxon Data Project

   Abstract:  CCAMLR hosts a list of taxa based on the  Aquatic Sciences and Fisheries Information ... the CCAMLR Master Data Programme. Author(s):  Secretariat Title:  The CCAMLR Taxon Data Project ... Approval:  Approved Secretariat Workflow Status:  Content Approved Document Release Consent:  No Delegation ...

   Meeting Document : WG-FSA-2019/14 : Autor(es): Secretariat

10. Proposed updates to CEMP data e-forms and a review of CEMP Standard Methods

    to allow for more detailed data collection fields on prey species type and krill length, and to ... Abstract:  Updates to the CEMP data submission e-forms for parameters A3 and A8 have been proposed ... ensure consistency in data collection methodology. Updating these e-forms will also require an update to ... age of this document and that the last review of the manual was completed in 2004, the Secretariat ...

    Meeting Document : WG-EMM-18/46 : Autor(es): CCAMLR Secretariat

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