Résultats de la recherche
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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 ... and effort data in a spatially-structured shark fi shery. Fish. Res., 45 (2): 129–145. Robinson ... (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 ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 59–80 : Auteur(s): Candy, S.G
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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 ... column are presented, attributed to "Other species" of fish. Author(s): N.A. Alegría and P.M ... . Arana Title: Hydroacoustic data obtained around Elephant Island and South Orkney Islands during austral ...
Meeting Document : WG-FSA-18/05 : Auteur(s): N.A. Alegría and P.M. Arana
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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 : Auteur(s): A.S. Brierley, S.F. Gull and M.H. Wafy (United Kingdom)
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A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region incorporating multi-year mark-recapture data
of tagged fish and subsequent multi-year data of recapture of tagged fish in conjunction with fishery ... Sea Region incorporating multi-year mark-recapture data Abstract / Description: An exploratory ... . Although tagging experiments are commonly used for assessing fish stocks, most rely on estimates of ... catch-at-age data. This is the first published stock assessment of toothfish in the Ross Sea region. It ... subsequent multi-year data of recapture of tagged fish in conjunction with fishery catch-at-age data. This ... , and mark-recapture data were used as an index of absolute abundance of the fish population in the ... Heemstra, 1990). Analysis of genetic data has shown that fish within the Pacific sector of the Southern ... quality of these data is paramount. Data from the RSR of fish recaptured with a tag suggested that tag ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 39–62 : Auteur(s): Mormede, S., A. Dunn and S.M. Hanchet
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The CCAMLR Taxon Data Project
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 ... Abstract: CCAMLR hosts a list of taxa based on the Aquatic Sciences and Fisheries Information ...
Meeting Document : WG-FSA-2019/14 : Auteur(s): Secretariat
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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 : Auteur(s): CCAMLR Secretariat
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CEMP 2018/19 data and updated spatial analysis of Area 48
Abstract: This paper reports on the CCAMLR Ecosystem Monitoring Program (CEMP) data submissions ... ecosystem between sites by Subarea, suggesting CEMP data are tracking similar processes. Author(s): CCAMLR ... Secretariat Title: CEMP 2018/19 data and updated spatial analysis of Area 48 Microsoft Word File: emm-2019 ... -04.docx Approval: Approved Secretariat Workflow Status: Content Approved Document Release Consent ...
Meeting Document : WG-EMM-2019/04 : Auteur(s): CCAMLR Secretariat
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A simulation study of the method of deriving natural mortality rate using data for Champsocephalus gunnari in Subarea 48.3
Paper Title: A simulation study of the method of deriving natural mortality rate using data for ... been correctly chosen. Data for Champsocephalus gunnari in Subarea 48.3 are used to show that the ... for managing depleted fish stocks based on CCAMLR objectives. Document SC-CAMLR-IXIBG/14. CCAMLR ... for fisheries management in the Atlantic sector of the Southern Ocean. Document SC-CAMLR-VIIIIBGI16 ... DERIVING NATURAL MORTALITY RATE USING DATA FOR CHAMPSOCEPHALUS GUNNARI IN SUB AREA 48.3 P.S. Gasyukov ... correctly chosen. Data for Champsocephalus gunnari in Subarea 48.3 are used to show that the described ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 69–83 : Auteur(s): Gasyukov, P.S. and R.S. Dorovskikh
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Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground
Islands using catch-at-age and aged mark-recapture data from the main trawl ground Abstract / Description ... adopted whereby the relatively long time series of catch-at-age and mark-recapture data from the main ... to 2008. A large proportion of the recaptures of fish released in this fishery were aged and these ... of M have been studied using simulation. In application to the data obtained for the HIMI main trawl ... tagged fish detected when recaptured) respectively. For the mark-recapture data, the tag loss rate was ... -age and aged mark-recapture data from the main trawl ground. Document WG-FSA-10/41. CCAMLR, Hobart ... mawsoni) in the Ross Sea including data from the 2006/07 season. Document WG-FSA-07/37. CCAMLR, Hobart ... catch-curve data from the Ross Sea fishery using the Chapman- Robson estimator (Dunn et al., 2006). A ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 29–45 : Auteur(s): Candy, S.G., D.C. Welsford, T. Lamb, J.J. Verdouw and J.J. Hutchins
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A preliminary assessment of the stock of the ommastrephid squid Martialia hyadesi in the Scotia Sea based on data from predators
the Scotia Sea based on data from predators Abstract / Description: Cephalopod fisheries world-wide ... mainly target species from two families, Loliginidae and Ommastrephidae. Fisheries for the latter have ... OF THE OMMASTREPHID SQUID MARTIALIA BY ADESI IN THE SCOTIA SEA BASED ON DATA FROM PREDATORS· P.G ... . Rodhouse** Abstract Cephalopod fisheries world-wide mainly target species from two families ... , Loliginidae and Ommastrephidae. Fisheries for the latter have been characterized by dramatically fluctuating ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 479–480 : Auteur(s): Rodhouse, P.G.