Resultados de la búsqueda
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Preliminary model of krill fishery behaviour in Subarea 48.1
fishery in Subarea 48.1 and estimates the effort applied and the catch of krill in fine-scale squares ... would result in an average yearly catch similar to that at present, although the catch is much more ...
Meeting Document : WG-KRILL-93/14 : Autor(es): D.J. Agnew (Secretariat)
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Choice of a procedure for deciding closure of CCAMLR fisheries: a simulation model
variation in catch rates shown by the fisheries. Non-fluctuating random and fluctuating random catch ... determines the trend of catch rates using linear regression over the latest four reporting periods, and ...
Meeting Document : CCAMLR-X/BG/09 : Autor(es): Secretariat
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Some aspects of the relation between Antarctic krill abundance and CPUE measures in the Japanese krill fishery. (Component of SC-CAMLR-VI/BG/4)
factors result in Catch-per-Day and Catch-per-Haul measures being unlikely to index krill abundance ... . During the high season, Catch-per-Towing-Time seems likely to index only within-swarm density. Search ...
Meeting Document : WS-KCPUE-89/03 : Autor(es): D.S. Butterworth (South Africa)
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Krill fishery report: 2007 update
CCAMLR scientific observers have been deployed. The preliminary estimate of the total catch of krill for ... observer data; Time series of catch by season, Contracting Party and small-scale management unit; Species ... composition of by-catch; Occurrence of incidental catches of seabirds and mammals; Development of measures of ...
Meeting Document : WG-EMM-07/05 : Autor(es): Secretariat
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2006 assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity
updated to take account of further catch, GLM standardised CPUE and catch-at-length information that has ... prudent to restrict annual legal catches to 500 tonnes or less, unless a large proportion of the catch is ...
Meeting Document : WG-FSA-06/58 : Autor(es): A. Brandão and D.S. Butterworth (South Africa)
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Rossii revisited: new information on the early history of the fishery for Notothenia rossii in Subarea 48.3
Abstract: New catch data reported to CCAMLR indicate that Notothenia rossii was heavily exploited ... histories, it is suggested that 50% of the catch of 400 000 tonnes reported from 1970 was Champsocephalus ... gunnari, rather than N. rossii, and that 25% of the catch in 1969 was also C. gunnari. A VPA run with ...
Meeting Document : WG-FSA-95/17 : Autor(es): Agnew, D.J.
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Revised research plan for toothfish in Divisions 58.4.4 a and 58.4.4b by Shinsei maru No. 3 in 2012/13
three years with an annual research catch of approximately 50 tonnes. The estimate (976 tonnes) using ... due to avoid the huge loss of catch from killer whales in SSRU B. The catch biomass level in SSRUs B ... aimed the establishment of CASAL catch-at-age model for this Division by 2016/17. Author(s): Delegation ...
Meeting Document : WG-FSA-12/58 Rev. 1 : Autor(es): Delegation of Japan
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Fishing and conservation in southern waters
. The former Soviet Union has been the most important fishing nation, taking 80-90 % of the entire catch ... . The krill catch from the Southern Ocean has been 4.9 million tonnes to date. More than 90 % of this ... catch originated from the Atlantic sector. 50- 90 % is taken from the foraging range of land-based ... the by-catch of juvenile fish in the krill fishery, to incidental mortality of birds during longline ...
Meeting Document : SC-CAMLR-XII/BG/11 : Autor(es): Delegation of Germany
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Sampling toothfish from longlines with unequal probabilities
Abstract: To obtain a representative sample of the catch taken by toothfish longliners, CCAMLR ... with less catch effort than those outside; or more generally, sampling effort is applied in inverse ... sampling data, or sampling effort should be proportional to catch effort. As vessels generally record the ...
Meeting Document : WG-FSA-03/85 : Autor(es): J.R. Ashford (USA)
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QUANTIFYING MOVEMENT BEHAVIOUR OF VESSELS IN THE ANTARCTIC KRILL FISHERY
behaviour of the krill fishery. Analysis of distance between hauls in relation to their catch level revealed ... a distinct pattern. Mean between-haul distances were generally longer when catch levels fell below ... 10 t per haul, and the travel distance decreased as the catch level increased; this pattern was most ...
Meeting Document : WG-EMM-09/P05 : Autor(es): S. Kawaguchi and S.G. Candy