Résultats de la recherche
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Comparative studies on the biological and acoustical properties of krill aggregations (Euphausia superba Dana) samples during the XIII Italian Expedition to the Ross Sea (December 1997–January 1998)
catch data and the one obtained by processing acoustic data, acquired during the net sampling; (2) to ... biological variables, extracted from catch data;. The analysis of the biological parameters seems to indicate ... ). The analysis of acoustic and catch data indicate that: (1) the acoustic discrimination between the two ... (around 9%less) to the mean catch values; (3) The numerical abundance of the krill, estimated by the fluid ...
Meeting Document : WG-EMM-00/39 : Auteur(s): M. Azzali, J. Kalinoswki, G. Lanciani and I. Leonori (Italy)
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Estimating the biodiversity of the sub-Antarctic Indian part for ecoregionalisation: Part I. Pelagic realm of CCAMLR areas 58.5.1 and 58.6
be low in the north, consistent with the limit of the main distribution of the species. The quasi ...
Meeting Document : WS-MPA-11/10 : Auteur(s): P. Koubbi (France), P.A. Hulley (South Africa), B. Raymond (Australia), F. Penot, S. Gasparini, J.P. Labat, P. Pruvost (France), S. Mormède (New Zealand), J.O. Irisson, G. Duhamel and P. Mayzaud (France)
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Assessment of mackerel icefish Champsocephalus gunnari in CCAMLR Statistical Subarea 48.3 based on the 2015 demersal fish survey
Abstract: A stratified bootstrap of icefish catch density based on the UK 2015 demersal fish ... survey catch rate data indicated a biomass of 59,081 tonnes (lower one sided 5 th percentile: 36,530 ... CCAMLR harvest control rule lead to catch limits (TAC) of 3,461 tonnes for 2015/16 and 2,074 tonnes for ...
Meeting Document : WG-FSA-15/25 : Auteur(s): T. Earl and C. Darby (United Kingdom)
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Preliminary assessment of mackerel icefish Champsocephalus gunnari in Subarea 48.3 based on the 2017 groundfish survey
Abstract: A stratified bootstrap of icefish catch density based on the UK 2017 demersal fish ... survey catch rate data indicated a biomass of 91 531 tonnes (lower one sided 5th percentile: 47 424 ... CCAMLR harvest control rule lead to catch limits (TAC) of 4 733 tonnes for 2017/18 and 3 269 tonnes for ...
Meeting Document : WG-FSA-17/47 : Auteur(s): T. Earl
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PRELIMINARY RESULTS OF TRIALS TESTING MODIFIED LONGLINE GEAR ‘TROTLINES’ IN PRESENCE OF CETACEANS IN SUBAREA 48.3
Abstract: 1. Paired trials were undertaken to compare toothfish catch rates and by-catch ... potential of this gear to reduce cetacean depredation. 3. By-catch to catch ratio was greater by number for ...
Meeting Document : WG-FSA-08/44 : Auteur(s): R.E. Mitchell, J. Clark, P. Reyes, L. Jones, J. Pearce, C.E. Edwards and D. Agnew (UK)
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Results of trials undertaken around Crozet Island using pots to target Patagonian toothfish
. The catch rate of Patagonian toothfish with pot was lower than when using longline but direct ... in fishing efficiency and in their by catch. Crab by-catch was identified as a major issue which ... into consideration before planning to implement such fishery. Bird by-catch and depredation was ...
Meeting Document : WG-FSA-10/10 : Auteur(s): N. Gasco, P. Tixier and C. Guinet (France)
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Analyses of illegal, unreported and unregulated (IUU) fishing activities in Divisions 58.4.1 during the 2013/14 season and 58.4.3b during the 2014/15 season
Abstract: Following Operation Sparrow 2, WG-FSA-17 noted the unprecedented availability of catch ... data from four IUU vessels including reported removals, video footage, and catch in gillnets recovered ... spatio-temporal distributions of catch and effort by the Chang Bai, Nihewan and Jiangfeng in Division ... 58.4.1E and caught a total of 792 tonnes of toothfish. Daily catch rates were similar between IUU and ...
Meeting Document : WG-FSA-18/60 : Auteur(s): Delegation of Australia and CCAMLR Secretariat
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Preliminary assessment of mackerel icefish Champsocephalus gunnari in Subarea 48.3 – Based on the 2019 Groundfish Survey
Abstract: A stratified bootstrap of icefish catch density based on the UK 2019 demersal fish ... survey catch rate data indicated a biomass of 53,124 tonnes (lower one sided 5th percentile: 32,399 ... CCAMLR harvest control rule lead to catch limits (TAC) of 3,225 tonnes for 2019/20 and 2,132 tonnes for ...
Meeting Document : WG-FSA-2019/30 : Auteur(s): T. Earl
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Estimation of the fishery–krill–predator overlap
by CCAMLR (catch in the Critical Period and Distance [CPD], Agnew-Phegan index, and Realised ... distributions. Only catch in the CPD can presently be used to estimate overlap in areas other than Subarea 48.1 ... . The catch in the CPD and the Agnew-Phegan index were closely correlated, as were the RPO and Schroeder ... the level of overlap in recent years (1995-98) than estimated with either the catch in the CPD or the ...
Meeting Document : WG-EMM-99/11 : Auteur(s): Secretariat
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Results of krill fishery in Subarea 48.2 in the 2009 season based on data of the Russian vessel Maxim Starostin
out during 71 fishing days. Mean catch per hour trawling is 5,6 t/h. Data on daily catch, catch per ...
Meeting Document : WG-EMM-10/08 : Auteur(s): S.Yu. Gulyugin, V.E. Polonskiy and S.M. Kasatkina (Russia)