Search results
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Comparison of estimators of effective sample size for catch-at-age and catch-at-length data using simulated data from the Dirichlet-multinomial Distribution
. An appropriate and accurate estimate of the ESS for catch frequency data for each fishery and fishing year ... heterogeneity within fishing year was simulated using samples from the Dirichlet-multinomial (D-M) distribution ... with marginal class probabilities generated using a simple age-structured model incorporating fishing ... . An appropriate and accurate estimate of the ESS for catch frequency data for each fishery and fishing year ...
Meeting Document : WG-SAM-07/7 : Author(s): S.G. Candy (Australia)
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Fishery report: Dissostichus eleginoides South Georgia (Subarea 48.3)
to Chilean vessels fishing in depths between 1 000 and 1 500 m in the southern sector of South Georgia ... standardised for Chilean vessels fishing in depths between 1 000 and 1 500 m in the southern sector of South ... ..................................................................... 40 TOP 48.3 (ii) By-catch of fish and invertebrates ... involving marine mammals with longline fishing operations ......... 42 Ecosystem effects ...
Document : Site Section: Publications
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Estimation of effective sample size for catch-at-age and catch-at-length data using simulated data from the Dirichlet-multinomial distribution
-multinomial heterogeneity. Accurate estimation of ESS for catch-frequency data for each fishery and fishing ... heterogeneity within fishing year was simulated using samples from the Dirichlet-multinomial (D-M) distribution ... , with marginal class probabilities generated using a simple age-structured model incorporating fishing ... -frequency data for each fishery and fishing year is important for such assessments, and this issue ... -frequency data for each fishery and fishing year is important for such assessments, and this issue ... is studied using simulation. Between-haul heterogeneity within fishing year was simulated using samples from ... -structured model incorporating fishing selectivity. Four methods of estimation of effective sample size were ... from a large number of fish sam- pled randomly from hauls in each year of fishing. The CASAL ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 115–138 : Author(s): Candy, S.G
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Stock assessment of D. eleginoides in Subarea 48.3 using dynamic production models
on fish stock assessment as they do not require certain initial data and parameters (natural mortality ... describing interyear biomass dynamics (standardized catch per unit effort for 1986- 2001) and fishing effort ... estimates by years of fishing. Both models showed that the D. eleginoides stock status at the initial period ... 48.3. This type of the models differ from the models currently used by CCAMLR Working group on fish ...
Meeting Document : WG-FSA-02/78 : Author(s): P.S. Gasiukov and R.S. Dorovskich (Russia)
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Mortalidad incidental de aves en la pesquería de cherna con palangre semipelágico
Abstract: Between August and November 2001, two fishing vessels carried out exploratory ... of Wreckfish (Polyprion americanus) and other fish species within the Uruguayan EEZ. Observers were trained ... to fishing gear and seabirds interaction is discussed, as well as the revision of current regulations. Author ... Between August and November 2001, two fishing vessels carried out exploratory and experimental ...
Meeting Document : WG-FSA-04/38 : Author(s): Y.H. Marín, A. Stagi and J. Chocca (Uruguay)
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The structure and spatial distribution of Antarctic krill aggregations from acoustic observation in the South Georgia area
determined as potential fishing grounds were located in the northeastern part of South Georgia. Comparison ... are attractive to the fishing fleet. The considered results show that not only krill biomass density, but also ... as potential fishing grounds were located in the northeastern part of South Georgia. Comparison of krill ... are attractive to the fishing fleet. The considered results show that not only krill biomass density, but also ...
Meeting Document : WG-EMM-04/66 Rev. 1 : Author(s): S.M. Kasatkina (Russia)
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The Australian exploratory toothfish fishery in CCAMLR Division 58.4.2 and Subdivision 58.4.3b in season 2003/04
and 23 December 2003, the Australian vessel, Eldfisk undertook exploratory longline fishing in Division ... 6 and 25 January 2004, the vessel undertook exploratory longline fishing in Division 58.4.2, specifically ... 2003, the Australian vessel, Eldfisk undertook exploratory longline fishing in Division 58.4.3b. 19 ... January 2004, the vessel undertook exploratory longline fishing in Division 58.4.2, specifically in SSRUs ...
Meeting Document : WG-FSA-04/66 : Author(s): D. Erceg and E. van Wijk (Australia)
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Updated progress report on the research fishery for Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan and South Africa: 2012/13 and 2013/14
as outlined in CM 41-04 (2012 & 2013) during the 2012/13 fishing season. Progress achieved during the 2012 ... of Subarea 48.6 is encouraging. By the end of the 2014/15 fishing season there should be sufficient data ... in CM 41-04 (2012 & 2013) during the 2012/13 fishing season. Progress achieved during the 2012/13 ... 48.6 is encouraging. By the end of the 2014/15 fishing season there should be sufficient data ...
Meeting Document : WG-FSA-14/67 : Author(s): R. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa)
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Rajid by-catch in the longline fishery for toothfish in Subarea 48.3
a preliminary analysis of data collected by UK scientific observers on vessels fishing toothfish in Subarea 48.3 ... vessels, areas, and depths in Subarea 48.3. Some vessels, fishing on the northern shelf edges of both Shag ... analysis of data collected by UK scientific observers on vessels fishing toothfish in Subarea 48.3 from ... , areas, and depths in Subarea 48.3. Some vessels, fishing on the northern shelf edges of both Shag Rocks ...
Meeting Document : WG-FSA-99/40 : Author(s): D.J. Agnew, J. Taylor and I. Everson (United Kingdom)
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Development of methods relevant to feedback management (FBM) for the krill fishery
Protected Area (MPA) development in CCAMLR Planning Domain 1 encompasses the major krill fishing grounds ... during the fishing season as a measure of the available prey field. This information can be integrated ... in CCAMLR Planning Domain 1 encompasses the major krill fishing grounds. Thus, data supporting FBM ... to be collected, processed and reported continuously during the fishing season as a measure of the available prey ...
Meeting Document : WG-EMM-18/08 : Author(s): B.A. Krafft, A. Lowther, G. Macaulay, M. Chierici, M. Biuw, A. Renner, T.A. Klevjer, R. Øyerhamn, C.A. Cárdenas, J. Arata, A. Makhado, C. Reiss and O.A. Bergstad