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Principles for evaluating data collection plans in data-poor exploratory fisheries
of fishing increases the risk of over-exploitation of fish stocks. In this paper we articulate a set ... of principles to assist the Scientific Committee with developing a framework for research in data ... Members with designing, evaluating and implementing research plans with a high likelihood of achieving the ...
Meeting Document : WG-SAM-11/08 : Autor(es): P.E. Ziegler, D.C. Welsford and A.J. Constable (Australia)
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Results of the tagging experiment for (D. eleginoides) in Subarea 48.4, 2007 update
Subarea 48.4, catching 54 t of toothfish. A total of 291 D. eleginoides and 1 D. mawsoni were tagged and ... released during fishing operations. This represents a very high tagging rate of 5.4 fish per tonne of catch ... may need to be extended for a few more years. Author(s): J. Roberts and D.J. Agnew (United Kingdom ...
Meeting Document : WG-FSA-07/32 : Autor(es): J. Roberts and D.J. Agnew (United Kingdom)
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Cycles of Euphausia superba recruitment evident in the diet of Pygoscelid penguins and net trawls in the South Shetland Islands, Antarctica
evaluate penguin diet as a sampling mechanism and to look at trends in krill populations. Both penguin diet ... and net samples revealed a 4-5 year cycle in krill recruitment with one or two strong cohorts ... krill in relation to the colony. Author(s): A. Miller and W. Trivelpiece (USA) Title: Cycles of ...
Meeting Document : WG-EMM-07/P2 : Autor(es): A. Miller and W. Trivelpiece (USA)
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Biomass of Antarctic krill (Euphausia superba) off east Antarctica (30–80°E) in January–March 2006
Abstract: A multidisciplinary, single-ship survey of CCAMLR Division 58.4.2 was conducted in ... estimated to be 15.89 million tonnes with a CV of 47.93%. Most of the E. superba detected (80%) were in ... relatively weak aggregations (s A <100 m 2 nmi-2 for each 2 km-alongtrack integration interval), with 50 ...
Meeting Document : WG-EMM-06/16 : Autor(es): T. Jarvis, E. van Wijk, N. Kelly, S. Kawaguchi and S. Nicol (Australia)
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Estimates of natural and fishing mortality from toothfish mark–recapture and catch-at-age data at South Georgia
Abstract: This paper presents new results and estimation bias analyses for a Bayesian mark ... current tagging programs, we suggest that this type of modelling approach can serve as both a useful tool ... for estimating key parameters like natural mortality, as well as a method for comparing parameter ...
Meeting Document : WG-FSA-06/54 : Autor(es): R.M. Hillary and D.J. Agnew (United Kingdom)
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Review of rattail and skate by-catch and analysis of rattail standardised CPUE from the Ross Sea toothfish fishery in Subarea 88.1 from 1997/98 to 2001/02
. Insufficient data have previously been available to evaluate the usefulness of a standardized CPUE analysis of ... macrourid bycatch in this fishery. The review of data suggest that the toothfish fishery has not yet had a ... be a useful method for the on-going monitoring of this bycatch species, and continued monitoring of ...
Meeting Document : WG-FSA-02/40 : Autor(es): R.G. Blackwell and S.M. Hanchet (New Zealand)
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Krill fishery information
during the 1999/2000 season (July 1999 to June 2000). A total of 104259 t of krill was caught, of which ... was reported in Areas 58 and 88. At the request of SC-CAMLR-XIX, a draft Fishery Plan for the krill ... fishery is also presented as a means of refining the procedure and generating future discussion. Author(s ...
Meeting Document : WG-EMM-01/7 : Autor(es): Secretariat
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Acoustic assessment of potential bias in abundance estimates of mackerel icefish from trawl surveys
that a significant proportion of the stock occurred in midwater. If this is the case, then bottom trawl ... trawl and acoustic data taken contemporaneously during a survey for mackerel icefish in the Heard Island ... investigated. Author(s): E. van Wijk, T. Pauly, A. Constable and R. Williams (Australia) Title: Acoustic ...
Meeting Document : WAMI-01/05 : Autor(es): E. van Wijk, T. Pauly, A. Constable and R. Williams (Australia)
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Fishing cruise of the Russian trawler Zakhar Sorokin to the Antarctic (Subarea 48.3) from 16 February to 10 March 1999
Abstract: From 16 Fenruary to 10 March, 1999, a Russian large capacity trawler "Zakhar ... fish species constituted 9,171 t. Due to opinion of the captain of a Russian vessel and Russian ... proved a complexity of fishery for this species but are not an evidence of bad status of Champsocephalus ...
Meeting Document : WG-FSA-99/57 : Autor(es): V.L. Senioukov and P.N. Kochkin (Russia)
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Variation in standing stock of the mackerel icefish Champsocephalus gunnari at South Georgia
that predation by fur seals is likely to play a major role in the observed changes in C. gunnari ... . 6. The study demonstrates how a key predator can have an over-riding impact on a commercial fish ...
Meeting Document : WG-FSA-99/63 : Autor(es): I. Everson, G. Parkes (United Kingdom), K.-H. Kock (Germany) and I. Boyd (United Kingdom)