Résultats de la recherche
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Managing the Ross Sea toothfish fisheries – A response to the consultation responses (COMM CIRC 18/39)
the current fishing season, calculations will be made on historical catch data for the vessels that ... have notified their intent to fish. After this time the Secretariat will transition to a projection ... based on data reported from the current season. Because the catch in the Northern area is so small ... Workflow Status: Content Approved Document Release Consent: No Delegation responsibility for releasing ...
Meeting Document : WG-FSA-18/07 : Auteur(s): CCAMLR Secretariat
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A review of conversion factors used in CCAMLR toothfish fisheries
integral to the reporting of catches and reconciling those catches with data reported via the CDS. This ... paper reviews the data available on conversion factor in the C2 and Observer data as well as the factors ... reconciliation between the reported catch for a vessel and the weight of product reported in a catch document ... submitted to the CDS should be based on a conversion of the ‘green weight’ for each haul in the C2 data to a ...
Meeting Document : WG-FSA-15/02 : Auteur(s): CCAMLR Secretariat
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Mitigation of seabird captures during hauling in CCAMLR longline fisheries
exclusion devices (BEDs) placed around the hauling bay. Data collected by scientific observers since 2003 ... Paper Title: Mitigation of seabird captures during hauling in CCAMLR longline fisheries Abstract ... hauling in CCAMLR longline fisheries. Haul captures were first recognised by CCAMLR as a problem as early ... hauling bay. Data collected by scientific observers since 2003 suggest that there are two key aspects of ... involving scientific observers and the fish- ing industry to develop effective haul mitigation within the ... these captures occurred during the haul or the set. In addition to recording mandatory data on sea ... types, data from the longline fishery around South Georgia (Subarea 48.3) were used as this is the ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 155–162 : Auteur(s): Reid, E., B. Sullivan and J. Clark
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Report on seabird by-catch outside the CCAMLR Convention Area recorded in the South African fisheries
report these, this document provides an overview of the South African fishing sectors most likely to ... where these data are available. All South African licenced vessels are regulated and permit conditions ... fisheries that have the greatest potential to impact on seabirds that breed within the CCAMLR Convention ... Area. The demersal trawl and pelagic longline fisheries are responsible for the highest recorded ...
Meeting Document : WG-IMAF-11/11 : Auteur(s): C. Heineken and P. Mullins (South Africa)
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The choice of procedure for deciding when to close fisheries regulated by CCAMLR: a simulation model
Paper Title: The choice of procedure for deciding when to close fisheries regulated by CCAMLR: a ... deciding the closure date for fisheries monitored by the Secretariat of CCAMLR, have been difficult to ... implement because of the variation in catch rates shown by the fisheries. Non-fluctuating random and ... conservation measures, methodologies for deciding the date of closure of fisheries should incorporate a ... because they are potentially more damaging to the fish stocks. The chances of similar magnitudes of under ... . Document CCAMLR-IX/BG/14. CCAMLR, Hobart, Australia. CCAMLR. 1991. Implementation of Conservation ... Measures in 1990/91. Document CCAMLR-X/9. CCAMLR, Hobart, Australia. 87 Table 1: Effect of length of ... to the last "NO" data points C (data point = catch/period) and calculates the change in catch rates ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 81–97 : Auteur(s): Agnew, D.J.
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Interactions of Patagonian toothfish fisheries with killer and sperm whales in the Crozet Islands Exclusive Economic Zone: an assessment of depredation levels and insights on possible mitigation strategies
lower impact (>25%). Photo-identification data revealed 35 killer whales belonging to four different ... distances >40 n miles to prevent killer whales from finding them within a few hours. Although more data ... Paper Title: Interactions of Patagonian toothfish fisheries with killer and sperm whales in the ... lower impact (>25%). Photo-identification data revealed 35 killer whales belonging to four different ... distances >40 n miles to prevent killer whales from finding them within a few hours. Although more data are ... marine mammals and fish- eries have been reported worldwide as a case of use conflict (Northridge and ... concerns the removal of fish from lines or from nets by marine mammals (Donoghue et al., 2002 ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 179–195 : Auteur(s): Tixier, P., N. Gasco, G. Duhamel, M. Viviant, M. Authier and C. Guinet
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Age, growth and size at sexual maturity of Macrourus carinatus caught as by-catch in Australian sub-Antarctic trawl fisheries
Australian sub-Antarctic trawl fisheries Abstract / Description: Estimates of age and growth were obtained ... Group on Fish Stock Assessment (Document WG-FSA-02/48). van Wijk et al. 146 The data for M ... taille du corps de M. carinatus des îles Heard et McDonald sont donnés dans le présent document. Резюме ... are also presented. METHODS Length–weight Relationships Length–weight data for 633 M. carinatus ... logistic curve, according to the method of Ni and Sandeman (1984) was fi tted to the resultant data and ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 139–151 : Auteur(s): van Wijk, E.M., R. Williams and A.J. Constable
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Mackerel icefish Champsocephalus gunnari in the diet of upper trophic level predators at South Georgia: implications for fisheries management
fisheries. Data on the frequency and size structure of C. gunnari in the diet of Antarctic fur seals ... ecosystem at South Georgia where its diet is dominated by Antarctic Krill Euphausia superba, it is an ... of cg from 1991 – 2002, using a variable mortality rate scaled by the inverse of krill abundance ... in the diet of upper trophic level predators at South Georgia: implications for fisheries management ...
Meeting Document : WG-FSA-03/74 : Auteur(s): K. Reid, S. Hill and T. Diniz (United Kingdom)
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A REVIEW OF THE METHODS USED TO RELEASE SKATES (RAJIIDS), WITH OR WITHOUT TAGS, IN ANTARCTIC EXPLORATORY FISHERIES
the document to highlight the additional advantages in data collection possible using Method 2. This ... . Subsequently a number of problems have become evident with this method. The Working Group on Fish Stock ... biological (and potentially other meristic data) from a sub-sample when possible, and release live skates in ... data for release candidates, correct species and sex identification, and the ability to more accurately ...
Meeting Document : WG-FSA-08/30 : Auteur(s): J.M. Fenaughty (New Zealand)
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2013 Report on bottom fisheries and vulnerable marine ecosystems
Description / Abstract: 2013 Report on bottom fisheries and vulnerable marine ecosystems ... organisations (RFMOs) or other arrangements to take immediate action to ensure fish stocks are managed ... for missing data so that all effort contributed to the footprint calculations. 6. Details of the ... -catch data in the vicinity of the Risk Area (iii) the reliability of longline by-catch for the taxa in ... be important to document the actual distribution and abundance of these habitats and identify areas ...
Document : Site Section: Publications