Search results
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Midwater trawl catchability regarding quantitative estimation of krill biomass using the method of trawling surveys on abundance
taken as an example, proved the latters not to be suitable for krill biomass estimation using method of ... analysis for catchability of fishery midwater trawls and small research trawls, when Isaaks-Kidd trawl was ...
Meeting Document : WG-KRILL-91/32 : Author(s): S.M. Kasatkina (USSR)
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USING GENERALIZED DISSIMILARITY MODELLING TO ANALYSE AND PREDICT PATTERNS OF BETA DIVERSITY IN REGIONAL BIODIVERSITY ASSESSMENT
Abstract: Generalized dissimilarity modelling (GDM) is a statistical technique for analysing and ... approach is an extension of matrix regression, designed specifically to accommodate two types of ... including, for example, information on phylogenetic relationships between species and information on ...
Meeting Document : WS-VME-09/P03 : Author(s): Richardson, K., Manion, G., Ferrier, S., Elith, J.
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The Antarctic toothfish Dissostichus mawsoni (Nototeniidae) nutrition in the Ross Sea during the fishing season 2011/12
species were found in the stomachs of the Antarctic toothfish. The main forage organisms for the toothfish ... area the shrimp Notocrangon antarcticus played an important role in the toothfish nutrition ... . Cannibalism was not observed for the Antarctic Toothfish. The average points of the stomach contents at ...
Meeting Document : WG-FSA-12/06 : Author(s): Yu.V. Korzun and N.A. Misar (Ukraine)
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Estimation of catch rate and mean weight in the exploratory Dissostichus fisheries across Divisions 58.4.1 and 58.4.2 using generalised additive models
shown to be an important area for pre-adult D. mawsoni. Development of similar models to analyse fishery ... D. mawsoni) have been operating since 2003. Formal stock assessments have yet to be developed for ...
Meeting Document : WG-FSA-11/35 : Author(s): D.C. Welsford (Australia)
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THE ANTARCTIC KRILL AND ECOSYSTEM SURVEY WITH R/V “G. O. SARS” IN 2008
(Target strength; the ability of an organism to reflect sound) for krill and ice fish • study aggregations ... purposes for the AKES project were to • evaluate the links between the krill resources and distribution in ...
Meeting Document : WG-EMM-08/28 : Author(s): S.A. Iversen (Norway), W. Melle, E. Bagøien, D. Chu, B. Edvardsen, B. Ellertsen, E. Grønningsæter, K. Jørstad, E. Karslbakk, T. Klevjer, T. Knutsen, R. Korneliussen, H. Kowall, B. Krafft, S. Kaartvedt, P.B. Lona, S. Murray, L. Naustvoll, L. Nøttestad, M. Ostrowski, V. Siegel, Ø. Skagseth, G. Skaret, H. Søiland, X. Zhao and C.B. Årnes
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Important Bird Areas (IBAs) in Antarctica
submitted a Working Paper (WP) and an Information Paper (IP) on Important Bird Areas to the Committee for ... recently completed analysis on IBAs based on the consistent application of global criteria for bird ...
Meeting Document : WG-EMM-15/32 : Author(s): P.A. Penhale (USA)
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Report on seabird by-catch outside the CCAMLR Convention Area recorded in the South African fisheries
report these, this document provides an overview of the South African fishing sectors most likely to ... impact on these seabirds. A summary is provided of the recorded number of mortalities for each fishery ... Area. The demersal trawl and pelagic longline fisheries are responsible for the highest recorded ... mortalities of seabirds. Independent research and measures imposed in the permit conditions for these sectors ...
Meeting Document : WG-IMAF-11/11 : Author(s): C. Heineken and P. Mullins (South Africa)
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PRELIMINARY RESULTS OF TRIALS TESTING MODIFIED LONGLINE GEAR ‘TROTLINES’ IN PRESENCE OF CETACEANS IN SUBAREA 48.3
(cachalotera nets). 2. CPUE (kg/1000 hooks and kg/set) was greater for trotlines than Spanish system lines when ... potential of this gear to reduce cetacean depredation. 3. By-catch to catch ratio was greater by number for ... in much poorer condition to the extent that they were unsuitable for tagging and releasing. 5 ... depredation. ii. Significant problems in understanding the meaning of CPUE for trotlines, and consequently in ...
Meeting Document : WG-FSA-08/44 : Author(s): R.E. Mitchell, J. Clark, P. Reyes, L. Jones, J. Pearce, C.E. Edwards and D. Agnew (UK)
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Reproduction in the mackerel icefish (Champsocephalus gunnari) at South Georgia
underlying cause is probably due to a shortage of krill, an important dietary item for Champsocephalus ...
Meeting Document : WG-FSA-91/07 : Author(s): I. Everson (United Kingdom), K.-H. Kock (Germany), G. Parkes (United Kingdom), D. Cielniaszek and J. Szlakowski (Poland)
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APPLYING A TS-PROBE FOR MEASURING ANTARCTIC KRILL (EUPHAUSIA SUPERBA) TARGET STRENGTH IN SITU: PROCEDURES AND DATA ANALYSIS
Abstract: A submersible multifrequency acoustic TS-probe was used for measuring the target ... strength of Antarctic krill in situ at short range. The experimental methods, procedure for data retrieval ... and analysis with some results for one selected station are presented. A Simrad EK60 split beam system ... for pressure, compass, pitch and roll. A stereo camera system was also mounted directly on the ...
Meeting Document : SG-ASAM-09/13 : Author(s): G. Skaret, L. Calise and E. Ona (Norway)