Resultados de la búsqueda
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The effects of an experimental hake Merluccius capensis/paradoxus longline fishery on Procellariiform seabirds in South Africa - a preliminary investigation
setting of lines prior to whitechinned petrel activity peaks. Experimentation with levels of artificial ... lighting and with differentially weighted longlines to ensure that hooks sink immediately when placed in ...
Meeting Document : WG-FSA-95/21 : Autor(es): Barnes, K.
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Abundance, size and maturity of krill (Euphausia superba) in the krill fishing ground of Subarea 48.1 during 1990/91 austral summer
females were exceedingly abundant in the slope frontal zone with the mean density of 23.9 g/m2 (411,000t ... ), as contrasted with the lower value of 3.7 g/m2 (163,000t) in the oceanic zone and almost absence from ...
Meeting Document : WG-KRILL-92/26 : Autor(es): T. Ichii, H. Ishii and M. Naganobu (Japan)
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Comparative biological characteristics of Electrona carlsbergi (Tåning) (Myctophidae) from the notal and Antarctic areas in the Southern Ocean Atlantic sector
reached 103 mm. Fish from older age groups (3 and 4 yr old) constituted about 85% of total amount, with ... somewhat higher,with the highest increment being observed at the 1st and 2nd years of life. Limiting age ...
Meeting Document : WG-FSA-90/21 : Autor(es): K.V. Gorchinsky, V.M. Kiseleva and A.A. Filin (USSR)
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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
Abstract: Attempts to estimate natural mortality, as a single constant M, simultaneously with ... -likelihood with the corresponding estimate of M of 0.155, however, the 95% confidence bounds of the estimate ...
Meeting Document : WG-FSA-10/41 : Autor(es): S. Candy, D. Welsford, T. Lamb, J. Verdouw and J. Hutchins (Australia)
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An investigation of integrated stock assessment methods for the Patagonian toothfish (Dissostichus eleginoides) in Division 58.5.2 using CASAL
recruitment series derived from surveys has similarities with the recruitment series estimated by Welsford et ... al. (2006), but with a recognition that some age classes are only partially selected in these surveys ...
Meeting Document : WG-FSA-SAM-06/14 : Autor(es): A. Constable, S. Candy and I. Ball (Australia)
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Review of the use of survey data and length-at-age models in the assessment of Dissostichus eleginoides in the vicinity of Heard Island and McDonald Islands (Division 58.5.2)
assignment of survey data to the 2003 stratification along with the latest estimates of length at age. The ... estimates were found to be most sensitive to the estimated recruitment series interacting with the estimate ...
Meeting Document : WG-FSA-SAM-06/15 : Autor(es): D.C. Welsford, A.J. Constable and G.B. Nowara (Australia)
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Revised reports on abundance and biological information on toothfish in Divisions 58.4.4 a and 58.4.4b by Shinsei maru No. 3 in 2011/12
than that (50.5 kg / km) in the same SSRU in 2010/11. A total of 172 individuals of toothfish with good ... SSRUs, respectively. Fish with good physical condition and single-hooked contributed 50 % to the total ...
Meeting Document : WG-FSA-12/57 : Autor(es): K. Taki, T. Iwami, M. Kiyota and T. Ichii (Japan)
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Research plan for toothfish in Division 58.4.4a & b by Shinsei Maru No. 3 in 2013/14
estimated only by using CPUE comparison with the stock size estimates in SSRU C obtained from each method ... years in the same locations as in the 2012/13 season, with the same survey design and sample size of a ...
Meeting Document : WG-SAM-13/21 : Autor(es): Delegation of Japan
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Updated models of the habitat use of Patagonian toothfish (Dissostichus eleginoides) on the Kerguelen Plateau around Heard Island and the McDonald Islands (Division 58.5.2)
(Dissostichus eleginoides) in the CCAMLR area, with landings of >5000 t.yr-1 from the French EEZ (Division ... with depths suggesting spatial segregation of life stages. Spatial predictions showed that small ...
Meeting Document : WG-FSA-14/42 : Autor(es): C. Péron and D.C. Welsford (Australia)
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Scientific contribution to the 2016 review of Conservation Measure 51-07: Part 2 – outcomes from the application of the risk assessment framework for distributing the krill trigger level in Area 48
potential for fishing effects in areas with higher proportions of young krill (source areas) and predation ... the baseline would indicate would be appropriate. This is consistent with the earlier findings of ...
Meeting Document : WG-FSA-16/48 Rev. 1 : Autor(es): A. Constable (on behalf of the e-group on CM 51-07 WG-EMM review)