Résultats de la recherche
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Assessment of stone crab (Lithodidae) density on the South Georgia slope using baited video cameras
to the baits of which Paralomis formosa was the most abundant. Using arrival rate at baits ... Abstract: During January 2000 a baited video camera system was deployed fifteen times at depths ... of 719-1518 m around the sub-Antarctic island of South Georgia. Four species of lithodid (Anomura ... , predictions of odour plume size and observations of walking speed the abundance of the stone crab Paralomis ...
Meeting Document : WG-FSA-03/77 : Auteur(s): M.A. Collins, C. Yau, F. Guillfoyle, P. Bagley, I. Everson, I.G. Priede and D. Agnew (United Kingdom)
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Assessment of stone crab (Lithodidae) density on the South Georgia slope using baited video cameras
to the baits of which Paralomis formosa was the most abundant. Using arrival rate at baits ... Abstract: During January 2000 a baited video camera system was deployed fifteen times at depths ... of 719-1518 m around the sub-Antarctic island of South Georgia. Four species of lithodid (Anomura ... , predictions of odour plume size and observations of walking speed the abundance of the stone crab Paralomis ...
Meeting Document : WG-FSA-03/77 Text : Auteur(s): M.A. Collins, C. Yau, F. Guillfoyle, P. Bagley, I. Everson, I.G. Priede and D. Agnew (United Kingdom)
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Distribution of salps near the South Shetland Islands during austral summer, 1990/1991 with special reference to krill distribution
potential reasons for the relatively low abundance of E. superba at the stations where salps were present in ... Abstract: Distribution and biomass of salps and Antarctic krill (Euphausia superba) were ... 556 mgC•m-3 and was greatest at a station in the Bransfield Strait in late December 1990. Salp biomass ... was lower than that of E. superba. Two species of salps; Salpa thompsoni and Ihlea racovitzai were ...
Meeting Document : WG-EMM-95/54 : Auteur(s): Terazaki, M., Ichii, T., Kawaguchi, K., Nishikawa, J., Ishii, H., Naganobu, M.
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Dietary studies of Adélie penguins through faecal DNA analysis
Abstract: The composition of penguin diet is currently monitored through the A8 CEMP Chick Diet ... monitoring parameter. The current Standard Method involves stomach lavage to collect the stomach contents of ... adult birds and sorting the samples to identify prey composition and mass. At WG-EMM-12 it was noted ... , procedures were under consideration. Here we discuss results from recent work using the extraction of prey ...
Meeting Document : WG-EMM-17/13 : Auteur(s): L. Emmerson, B. Deagle, C. Waluda, M. Dunn, P. Trathan and C. Southwell
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A review and preliminary analysis of CEMP data
Abstract: A review of the data in the CEMP database revealed minor inconsistencies that have now ... . Other problems were detected, such as the use of old forms and Standard Methods, and the increasing ... amount of automated data being collected and submitted. Members should ensure that they use the most ... current Standard Methods and CEMP forms found on the website (www.ccamlr.org). A review of the standard ...
Meeting Document : WG-EMM-02/7 : Auteur(s): Secretariat
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ANALYSIS OF SCIENTIFIC OBSERVER DATA FROM THE RUSSIAN KRILL TRAWLER 'MAXIM STAROSTIN' IN THE SOUTH ORKNEY ISLANDS REGION (SUBAREA 48.2) DURING THE SEASON 2008-2009
of the ' Maxim Starostin '. Their observation plan targeted at monitoring the amount and ... large-size krill have been allocated. Reproduction of krill in these aggregations occurs at different ... size/sex composition of the krill catches, bycatch, spatial distribution and biological condition of ... krill. This paper provides initial analysis of the ' Maxim Starostin ' catch data collected ...
Meeting Document : WG-EMM-09/29 : Auteur(s): D. Sologub (Russia)
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Deployment of research hauls in the exploratory fisheries for Dissostichus spp. in Subareas 48.6 and 58.4 in 2011/12
met the deployment criteria, i.e. fishing depths of 550 to 2200m, separation distance of at least 3 ... nmiles from any other research haul, between 3500 and 5000 hooks and soak times of at least six hours ... Abstract: As of the end of May 2012, four longliners conducted research fishing in the ... ). These vessels completed a total of 267 research hauls. The four vessels deployed their research hauls ...
Meeting Document : WG-SAM-12/06 : Auteur(s): Secretariat
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The three-frequency method for classifying the species and assessing the size of two euphausiids (Euphausia superba and Euphausia crystallorophias)
echo-integrations, made simultaneously either at two or at three frequency, and of the results of net ... rule methodologies. This paper explores applications of the multi-frequency method using data from ... , the sampled areas, the instrumental and the sampling strategies varied. First, on the basis of the ... acoustic estimates of euphausiid lengths, derived from the fluid sphere model, are compared with lengths ...
Meeting Document : WG-EMM-02/37 : Auteur(s): M. Azzali, G. Lanciani and I. Leonori (Italy)
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Some comments on the procedure for testing estimators of krill abundance which utilise survey data
Abstract: Since krill distributional data do show evidence of spatial correlation, estimators of ... performance in practice. Such studies require a simple method for computer generation of krill distribution ... " models of krill distribution are considered. These achieve overall spatial correlation by placing ... krill swarms at random within larger aggregation features termed concentrations; these concentrations ...
Meeting Document : WG-KRILL-91/21 : Auteur(s): D.S. Butterworth, D.L. Borchers and D.G.M. Miller (South Africa)
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Population structure of the Patagonian toothfish (Dissostichus eleginoides) in Australian waters
Abstract: MtDNA and microsatellite loci were used to investigate the population structure of ... Patagonian toothfish at two Australian fishing locations (Macquarie Island, five collections; Heard and ... sample of toothfish from the Shag Rocks/South Georgia fishing location (CCAMLR area 48.3) was also ... heterogeneity at several microsatellite loci among the ten collections, and no overall differentiation among the ...
Meeting Document : WG-FSA-01/38 : Auteur(s): S.A. Appleyard, R.D. Ward and R. Williams (Australia)