Résultats de la recherche
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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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): I. Everson, G. Parkes (United Kingdom), K.-H. Kock (Germany) and I. Boyd (United Kingdom)
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Survey and monitoring of black petrels on Great Barrier Island 1997
Abstract: The black petrel (Procellaria parkinsoni) is a vulnerable endemic seabird, which breeds ... set up in 1996 around the summit were monitored over the 1997 breeding season. A total of 54 burrows ... were located within the census grids and 36 were being used by breeding pairs. A preliminary estiate ...
Meeting Document : SC-CAMLR-XVII/BG/08 : Auteur(s): Delegation of New Zealand
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IS THE BYCATCH OF VULNERABLE INVERTEBRATE TAXA ASSOCIATED WITH HIGH CATCH RATES OF FISH IN THE ROSS SEA LONGLINE FISHERIES?
longline fisheries to look for a correlation between fish catch rate and VME indicator organism catch rate ... on a set-specific basis. Analysis of the data available showed that vessel and longitude were ... model, showed a very weak (r2 = 0.02) but statistically significant relationship with VME indicator ...
Meeting Document : WS-VME-09/07 : Auteur(s): Parker, S.J., Mormede, S.