Search results
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Growth of mackerel icefish (Champsocephalus gunnari) and age-size composition of population in subarea of the South Georgia
that the catches consisted mainly of individuals of 2-4 age groups, where more than 60% were represented by fish ... based on fish of two contiguous year classes, strong 1984 year class and middle 1983 year class ... of fish caught in 1978 in subareas 48.3 and 48.2 and that of fish caught in 1986 in subareas 48.3 and 48.1 ... consisted mainly of individuals of 2-4 age groups, where more than 60% were represented by fish of two ...
Meeting Document : WG-FSA-SAM 03/7 : Author(s): K.V. Shust and E.N. Kuznetsova (Russia)
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RESPONSE OF ANTARCTIC BENTHIC COMMUNITIES TO DISTURBANCE: WRST RESULTS FROM THE ARTIWCIAL BENTHIC DISTURBANCE EXPERIMENT ON THE EASTERN WEDDELL SEA SHELF, ANTARCTICA
of disturbed benthos and demersal fish communities. Here, we report the basic approach and first results ... (invertebrate assemblages by multibox corers, the fish fauna by trawl hauls) and comparatively analyzed ... by a factor of 10, while mean abundances were only slightly reduced. Demersal fish biomass and abundance were ... in the composition of the fish fauna, with Trematomus pennelli and T. hansoni being dominant at disturbed sites ...
Meeting Document : WS-VME-09/P05 : Author(s): Rossi, S., Mintenbeck, K., Knust, R., Isla, E., Gerdes, D.
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On the problem of icefish (Champsocephalus gunnari) (Channichthyidae) and krill (Euphausia superba) interaction in the South Georgia area
on the basis of the trawling, acoustic and juvenile fish surveys carried out by AtlantNIRO during 1986-2002 ... distribution pattern of fish is sufficiently stipulated by the impact of krill distribution, being ... of near-bottom and pelagic fish aggregations density relative to krill distribution is presented. Author ... of the trawling, acoustic and juvenile fish surveys carried out by AtlantNIRO during 1986-2002 and the data ...
Meeting Document : WG-FSA-04/41 : Author(s): S.M. Kasatkina and Zh.A. Frolkina (Russia)
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Distribution of mackerel icefish by size-group at South Georgia
of 8 depth strata with mean depths of 112, 137, 165, 185, 208, 230, 257 and 308 m. Fish were divided ... (number of fish km?2) indicated that depth of maximum abundance increased as the size of the fish ... with mean depths of 112, 137, 165, 185, 208, 230, 257 and 308 m. Fish were divided into size groups ... representative of age-classes. Kruskal-Wallis tests on log-transformed median abundance (number of fish km ...
Meeting Document : WAMI-01/16 : Author(s): A.W. North and I. Everson (United Kingdom)
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Diet composition of Dissostichus eleginoides in Subarea 48.3, Dr Eduardo Holmberg survey March/April 1996
(TL). Fish was by far the main food at SR and SG (63 % as sole prey). Krill appeared as secondary food ... gunnari and Chaenocephalus aceratus constituted the main fish prey and their variability between SR and SG ... depended on their local abundance. The large proportion of fish exhibiting stomachs full or close ... consisted chiefly of immature specimens, with predominant length ranges of 30-70 cm (TL). Fish was by far ...
Meeting Document : WG-FSA-96/29 : Author(s): Barrera-Oro, E., Marschoff, E., Casaux, R.
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WG-FSA-91
Full Name: Working Group on Fish Stock Assessment Location: Hobart, Australia Date(s): Tuesday ... of the Working Group on Fish Stock Assessment (WG-FSA) WG-FSA-91/02 List of participants WG-FSA-91/03 List ... of documents WG-FSA-91/04 State of water structure as a factor determining fish behaviour (at the example ... Analyses carried out during the 1990 meeting of the Working Group on Fish Stock Assessment Secretariat WG ...
Meeting
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The results of performance of tagging programs of the Korean exploratory fishery for Dissostichus spp. in 88.1 in the 2010/11 season
in 88.1 BCJL were 35,436 fishes. Dissostichus Spp. was the highest catch, contributing 99.62% to the total ... catches in 78 hauls while by-catches were 133 fish. The CPUEs of Dissostichus Spp. in 88.1 ... to females in subarea 88.1 BC was 1:0.63 (males: 363, females: 228 fishes) and it was 1:1.20 (males: 579 ... , females: 696 fishes) in subarea 88.1 JL. The ratio of males to females in 88.1 BC is higher than the ratio ...
Meeting Document : WG-FSA-11/54 : Author(s): T. Jung and H.J. Choi (Republic of Korea)
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Population structure of icefish (Champsocephalus gunnari) in the South Georgia area (Antarctic)
inhabiting the areas at Shag Rocks and South Georgia is characterized with the lack of fish below 11 cm ... of large fish above 40 cm in length in catches. These distinctions are the result of a certain geographic ... and the eastern grouping both in otolith morphology and morphometric characteristics. In larger fish ... grouping appears. These differences increase with fish length. The analysis of all data available allows ...
Meeting Document : WG-FSA-04/40 : Author(s): Zh.A. Frolkina and I.A. Trunov (Russia)
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Diet composition and feeding strategy of Antarctic toothfish, Dissostichus mawsoni in SSRU 5841C-a for the exploratory longline fishery in 2012/13 of Korea
). D. mawsoni is a carnivore and piscivorous fish that mainly consumed fishes, especially Macrourus whitsoni ... , and seeweeds. In this study, fishes were the dominant prey item in all size classes (I, 104-140 cm TL, and II ... and specialized predator on fishes and showed narrow niche width. Author(s): I. Yeon, Y.J. Kwon, S.G. Choi, K.J ... and piscivorous fish that mainly consumed fishes, especially Macrourus whitsoni with 14.72% of the diet by weight ...
Meeting Document : WG-SAM-13/26 : Author(s): I. Yeon, Y.J. Kwon, S.G. Choi, K.J. Seok, D.W. Lee, J.M. Jeong, S.J. Ye, H.J. Kim and G.W. Baeck (Republic of Korea)
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Age validation of juvenile Notothenia rossii at Potter Cove, South Shetland Islands, using mark-recapture data
Abstract: Among all validation methods of age determination in fish, release of known age ... at liberty, did not show the deposition of an additional annulus.All the fish tagged or recaptured during ... good consistency between the numbers of sclerites deposited in scales and the time of fish release ... a simultaneous counting of the annuli with complete correspondence.The growth in length of fish ranged from 0.5 ...
Meeting Document : WG-FSA-13/P01 : Author(s): E. Moreira, E. Barrera-Oro and M. La Mesa