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Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the number of concentrations and analytical justification for search data
number of concentrations and analytical justification for search data Abstract / Description: In this ... 1980s. These examples highlight the need for a navigational log as well as a fishing log in order to ... make accurate inferences. In the appendix, a method for correcting for the bias in the detection of ... information is needed. That figure shows two foci for fishing krill with a gap between them. Without echo ... ). (Figure A6 of Appendix 5 of the Krill CPUE Working Group Report contains an error for the curve in which ... (1989) concentrations are presumed to persist for the entire fishing period of14 to 30 days.) 290 ... simulation study of krill fishing by an individual Japanese trawler. Scientific Committee for the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 283–322 : Автор(ы): Mangel, M.
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Fishery Report 2013: Exploratory fishery for Dissostichus spp. in Subarea 48.6
Description / Abstract: Fishery Report 2013: Exploratory fishery for Dissostichus spp. in Subarea ... dominated the catches. 2. The current limits on the exploratory fishery for Dissostichus spp. in Subarea ... 7. There is no information on which to derive an estimate of the level of IUU fishing in Subarea ... of D. mawsoni and D. eleginoides caught in this fishery are presented for all years in which the ... -frequency distributions are only presented for those years/SSRUs in which the number of fish measured was ...
Document : Site Section: Publications
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Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.3a
reclassified as exploratory in 2000. That year, the Commission agreed on four exploratory fisheries for ... . Vessels, on first entry into an SSRU, are required to make 10 research longline hauls. The requirement ... for this fishery. 4. Stock assessment 12. Progress on assessing the exploratory fishery in ... (two recapture probability models (binomial and normal) and three different values for future process ...
Document : Site Section: Publications
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Estimating confidence intervals for fish stock abundance estimates from trawl surveys
Paper Title: Estimating confidence intervals for fish stock abundance estimates from trawl ... surveys Abstract / Description: A method is developed for calculating asymptotic confidence intervals for ... trawl surveys, and in particular, develops an improved method for the estimation of confidence ... net haul densities has to allow for an often substantial probability that a given haul will produce ... distribution with one degree of freedom, at the a probability level. An asymptotic confidence interval for ... biomass, given by: where bj is the biomass estimate for stratum j. In calculating an asymptotic ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 203–207 : Автор(ы): de la Mare, W.K
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Fishery Report 2014: Exploratory fishery for Dissostichus spp. in Subarea 48.6
Description / Abstract: Fishery Report 2014: Exploratory fishery for Dissostichus spp. in Subarea ... ) in each year are provided. Note: length-frequency distributions are only presented for those years ... to 30 November 2014). Fishery Report 2014: Exploratory fishery for Dissostichus spp. in ... toothfish (D. mawsoni) has dominated the catches. 2. The current limits on the exploratory fishery for ... (IUU) fishing 7. There is no information on which to derive an estimate of the level of IUU fishing ...
Document : Site Section: Publications
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Fishery Report: Exploratory fishery for Dissostichus spp. (TOT) in Division 58.4.3b
this fishery and in recent years has been linked to an exemption for night setting in CM 24-02 and ... exploratory fisheries for Dissostichus spp. in this region in 2001: exploratory trawl fisheries on BANZARE ... boundaries of Division 58.4.3 were rearranged on the basis of ecological considerations, and two new ... accordance with CM 24-01. 3. The limits on the exploratory fishery for Dissostichus spp. in Division ...
Document : Site Section: Publications
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Fishery Report: Exploratory fishery for Dissostichus spp. (TOT) in Division 58.4.1
measures 23. CM 25-02 applies to this fishery and in recent years has been linked to an exemption for ... vessels first operated in this fishery in 2005. 2. The limits on the exploratory fishery for ... ). SSRU C was closed on 9 February 2012 (catch limit for Dissostichus spp.: TOT 58.4.1 2 100 ... tonnes; final reported catch: 98 tonnes), and SSRU E was closed on 15 January 2012 (catch limit for ...
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Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.3b
fish have been observed for fish at liberty for two years or more, and tend to be from the east to the ... reclassified as exploratory in 2000. That year, the Commission agreed on four exploratory fisheries for ... were rearranged on the basis of ecological considerations, and two new divisions were formed: Division ... /12. The analysis that led to this catch level was based on an initial biomass estimate using the ...
Document : Site Section: Publications
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Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.3b
); (ii) large movements of fish have been observed for fish at liberty for two years or more, and tend ... years has been linked to an exemption for night setting in CM 24-02 and subject to a seabird by-catch ... reclassified as exploratory in 2000. That year, the Commission agreed on four exploratory fisheries for ... rearranged on the basis of ecological considerations, and two new divisions were formed: Division 58.4.3a ...
Document : Site Section: Publications
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Fishery Report: Closed fishery for Dissostichus spp. in Divisions 58.4.4a and 58.4.4b
for females and from 5 to 46 years for males (Figure 3). These ages may be overestimated by one ... management advice 8.1 Conservation measures 20. The exploratory fishery for Dissostichus spp. in ... method for two stock status scenarios. Population status in each case was projected forward using the ... (legal and IUU) and assumed the biomass in 2010 to be 20% of B0. An estimate of B0 was then calculated ...
Document : Site Section: Publications
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