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Dynamics of Notothenia rossii rossii size-age structure on the Kerguelen Islands shelf
used to characterise the age composition. It was determined that in the initial years of exploitation ... catches and in some years (1981-1985) fisheries were based practically on recruitment. After the closure ... . In May-June 1991 the mean length was 59.2 cm, mean age was 7.4 years; some 70% of catch consisted of ... that observed in the initial years of exploitation and further closure of marbled rockcod specialised ...
Meeting Document : WG-FSA-94/04 : Autor(es): P.B. Tankevich (Ukraine)
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Biomass/CCAMLR krill review
within the provisions set out by Article II of the Convention for the Conservation of Antarctic Marine ... survey of 1981. General problems in assessing krill acoustically and by other direct methods are ... recent progress in estimating krill production through studies of age and growth, energy budgets for ... attention is given to the phenomenon of aggregation in krill. Physical and biological characteristics of ...
Meeting Document : SC-CAMLR-VII/BG/39 : Autor(es): D.G.M. Miller and I. Hampton (South Africa)
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Volume 15: CCAMLR. 2003. Statistical Bulletin, Vol. 15 (1993–2002). CCAMLR, Hobart, Australia.
annual period used in the Statistical Bulletin was changed from 'split-year' (July to June of the ... following year) to 'CCAMLR season' (December to November of the following year). In a consequential change ... . *** In 2003 (Volume 15), the annual period used in the Statistical Bulletin was changed from 'split- year ... ). Figures in Section D cover a 5-year period ending in November 2002. Note that some tables include ...
Document : Site Section: Publications
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Fishery Report 2013: Champsocephalus gunnari Heard Island (Division 58.5.2)
Dec Increments in year 365 Years to project stock in simulation 2 Reasonable upper bound for ... population over consecutive years. 2 Table 1: Catch history for Champsocephalus gunnari in ... stations in Plateau West, 18 stations in Gunnari Ridge and 30 stations in Plateau Southeast. Parameter ... years (see ‘Decision rules’ in Appendix 1) with updated length–weight parameters. Estimates of yield ...
Document : Site Section: Publications
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Investigation of the sensitivity of the Ross Sea toothfish assessment to withholding subsets of the available data
time as more years’ data becomes available. The 2009 stock assessment of Antarctic toothfish in the ... estimated by the models arising from withholding data was found to be highest in the earlier years of stock ... years, the change in estimated biomass arising from withholding data was much smaller, with values ... very sensitive to changes in years of tag release and recapture data available to the model. For ...
Meeting Document : WG-SAM-11/17 : Autor(es): S. Mormede (New Zealand)
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Fishery Report 2013: Champsocephalus gunnari South Georgia (Subarea 48.3)
gunnari) grow rapidly to a maximum size of 55 cm, reaching a marketable size of 30 cm in three years ... occasionally small numbers of seabirds are caught. In recent years the catch limit for this fishery has been ... -01 (Table 1). In 2013, the fishing season started on 1 December 2012 and ended on 30 November 2013 ... . gunnari biomass (see WG-FSA-SAM-04/20). In 2013 there were no new estimates of standing stock available ...
Document : Site Section: Publications
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The CCAMLR-2000 Krill Synoptic Survey: a description of the rationale and design
will take several years and will result in a significant increase in the knowledge of krill length ... krill which are used in models to estimate sustainable yield in Area 48. The survey design includes two ... large-scale oceanic strata: one in the southwest Atlantic located in the Scotia Sea, and the other to ... these large-scale strata, four mesoscale strata were included in the survey design; these were located ... was to improve estimates of the pre- exploitation biomass of krill which are used in models to ... estimate sustainable yield in Area 48. The survey design includes two large-scale oceanic strata: one in ... the southwest Atlantic located in the Scotia Sea, and the other to the north of the Antarctic ... mesoscale strata were included in the survey design; these were located close to the South Sandwich Islands ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 1–23 : Autor(es): Trathan, P.N., J.L. Watkins, A.W.A. Murray, A.S. Brierley, I. Everson, C. Goss, J. Priddle, K. Reid, P. Ward, R. Hewitt, D. Demer, M. Naganobu, S. Kawaguchi, V. Sushin, S.M. Kasatkina, S. Hedley, S. Kim and T. Pauly
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Fishery Report 2014: Champsocephalus gunnari Heard Island (Division 58.5.2)
projection 20133 Reference start date in year 1 Dec Increments in year 365 Years to project stock in ... population over consecutive years. 2 Table 1: Catch history for Champsocephalus gunnari in ... resulted in estimates of weight at length that were slightly higher than the previous years’ estimates ... 10 stations in Plateau West, 18 stations in Gunnari Ridge and 30 stations in Plateau Southeast ...
Document : Site Section: Publications
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Volume 10: CCAMLR. 1998. Statistical Bulletin, Vol. 10 (1988–1997). CCAMLR, Hobart, Australia.
split-year 1 July to 30 June. Split-years are shown written in the form 1989/90. 1.5 Some tables ... the data described in paragraph 1.10 has not been required for all areas and years. Reporting of ... July 1987 to June 1997. Figures in Section D cover a 5-year time span. Please note that some tables ... have a total catch in anyone year of more than 2 000 tonnes. 4. Section D (Table l3 and Figures ...
Document : Site Section: Publications
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Conservation Measure Conservation Measure 33-02 (2017)
Adopted at Meeting: CCAMLR-XXXVI Period in Force: 2017- 2018 ... Limitation of by-catch in Statistical Division 58.5.2 in the 2017/18 season Area: Division 58.5.2 ... ) Limitation of by-catch in Statistical Division 58.5.2 in the 2017/18 season Species by-catch Area 58.5.2 ... Dissostichus eleginoides and Champsocephalus gunnari in Statistical Division 58.5.2 in the 2017/18 fishing ... season. 2. In directed fisheries in Statistical Division 58.5.2 in the 2017/18 season, the by-catch of ... not mentioned in paragraph 2, and for which there is no other catch limit in force, shall not exceed ...
Conservation Measure : 33-02 (2017)