Résultats de la recherche
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Preliminary model of krill fishery behaviour in Subarea 48.1
Abstract: A simple deterministic model is described which models the behaviour of the krill ... fishery in Subarea 48.1 and estimates the effort applied and the catch of krill in fine-scale squares ... . The distribution of catches predicted by the model, which is restricted to the months December to ... March, compare favourably with the general distribution of catches in Subarea 48.1. A number of ...
Meeting Document : WG-KRILL-93/14 : Auteur(s): D.J. Agnew (Secretariat)
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Design of the used on Russian vessels Sparta and Chio Maru No. 3 bottom trot-line for toothfish fishing
catching of VME-organisms to a large extent, because at the presented design of a longline each line with a ... Abstract: This work is prepared in accordance with recommendation of 4.18 WG-SAM-12 about ... submitting of data on fishing gears` construction that was used on Russian longliners Sparta” and “Chio Maru ... №3”. The trotline of a special design that was used is formed of main floating line and fastened ...
Meeting Document : WG-FSA-12/22 : Auteur(s): I.G. Istomin, V.V. Akishin, V.A. Tatarnikov and I.I. Gordeev (Russia)
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Next steps in development of Marine Protected Area in the Argentine Islands Archipelago water area
Abstract: The results of the research aimed at further substantiation and development of the ... Marine Protected Area in the area of the Ukrainian Antarctic Station Academician Vernadsky are presented ... . In order to study the structure and biodiversity of benthic communities in the water area of the ... Argentine Islands, the underwater research and acoustic survey were conducted. During the period of 2014 ...
Meeting Document : WG-EMM-18/32 : Auteur(s): A. Utevsky, E. Sinna, D. Smyrov, M. Shrestha, Y. Gamulya, G. Ukhno, R. Khodzhaeva, Y. Utevsky, V. Levenets and S. Utevsky
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Fecundity and egg size of Lithodid crabs from CCAMLR Subarea 48.3
Abstract: The fecundity and egg size of three species of lithodid crab caught in CCAMLR Subarea ... species and species found at different depths may employ quite different reproductive strategies. Author(s ... of Lithodid crabs from CCAMLR Subarea 48.3 Approval: Approved ...
Meeting Document : WG-FSA-02/27 : Auteur(s): S.A. Morley, M. Belchier, J.D. Dickson and T.M. Mulvey (United Kingdom)
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Acoustic data collection by the krill fishing industry to improve the monitoring of krill abundance
acoustic transects; the methods for the data transmission to the Secretariat including the use of ... EchoExplore to provide a meta-data catalogue of the data and whether to have acoustic data transferred to the ... EchoViewR protocol agreed at SG-ASAM). Author(s): K. Reid and J. Arata Title: Acoustic data collection by ... the krill fishing industry to improve the monitoring of krill abundance Microsoft Word File: asam ...
Meeting Document : SG-ASAM-2019/01 : Auteur(s): K. Reid and J. Arata
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ACCURACY OF BENTHIC INVERTEBRATE BY-CATCH IDENTIFICATION BY OBSERVERS OPERATING IN THE HEARD ISLAND AND MCDONALD ISLANDS PATAGONIAN TOOTHFISH LONGLINE FISHERY
Abstract: As a means of testing the accuracy of observer identifications and to provide ... to Heard Island and McDonald Islands (HIMI) for onshore verification by taxonomists at the Australian ... Antarctic Division (AAD). Observers displayed a high level of accuracy (89%) in the identification of ... longline invertebrate by-catch. Common taxonomic errors included the misclassification of stylasterids ...
Meeting Document : WG-FSA-09/23 : Auteur(s): T. Hibberd (Australia)
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USING GENERALIZED DISSIMILARITY MODELLING TO ANALYSE AND PREDICT PATTERNS OF BETA DIVERSITY IN REGIONAL BIODIVERSITY ASSESSMENT
) the variation in the rate of compositional turnover at different positions along environmental ... predicting spatial patterns of turnover in community composition (beta diversity) across large regions. The ... approach is an extension of matrix regression, designed specifically to accommodate two types of ... gradients. GDM can be further adapted to accommodate special types of biological and environmental data ...
Meeting Document : WS-VME-09/P03 : Auteur(s): Richardson, K., Manion, G., Ferrier, S., Elith, J.
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Conditions for the precise measurement of fish target strength in situ
reverberation volume which contributes echo formation at a certain instant and the other is the percentage of ... Abstract: Conditions for precise measurement of in situ fish target strength (TS) are empirically ... studied and two indexes are introduced for this purpose. One is the number of fish in the effective ... the multiple echoes which is derived from a residual of the single echo extraction. With the decrease ...
Meeting Document : WG-Krill-94/35 : Auteur(s): K. Sawada and M. Furusawa (Japan), N.J. Williamson (USA)
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Analysis of observer coverage for Japanese krill fishing vessels
coefficients of variation (CV) caused by the shifts in coverage at different sampling stages. Vessel coverage ... Abstract: Sources of variability of krill mean length and fish bycatch number was investigated to ... explore proper allocation of scientific observers on Japanese krill fishing vessels using the data from ... 1995 to 2008. Based on the multistage sampling theory, we derived the equation of variance in four ...
Meeting Document : WG-SAM-10/17 : Auteur(s): T. Okuda, M. Kiyota and H. Okamura (Japan)
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Outline for year 3 of the 3-year longline survey to determine toothfish population connectivity between Subareas 48.2 and 48.4
third and final year of an agreed 3-year longline survey, in the wider context of connecting the ... understanding of Dissostichus spp population structures in this region, and improving available data on ... bathymetry and associated distributions of benthic bycatch species. This paper reiterates the key points of ... WG-SAM-18/15, and addresses update requests made at WG-SAM-18. The survey includes a three-year data ...
Meeting Document : WG-FSA-18/31 : Auteur(s): G. Robson, P. Hollyman and C. Darby