Search results
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Krill catch distribution in relation to predator colonies, 1987-1991
Abstract: The distribution of krill catches in relation to predator colonies in Subareas 48.1 and ... 48.2 is shown. 74-90% of catches in Subarea 48.1 are taken within 100 km of predator colonies between ... December and March, and these are between 10 and 18% of the estimated total penguin consumption in this ... period. The pattern of fishing is very consistent in all years 1988-1991 in Subarea 48.1, but is more ...
Meeting Document : WG-KRILL-92/18 : Author(s): Secretariat
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A CHARACTERISATION OF THE TOOTHFISH FISHERY IN SUBAREAS 88.1 AND 88.2 FROM 1997–98 TO 2007–08
eleven years in Subarea 88.1 and for six years in Subarea 88.2. This report summarises the large amount ... of data collected on toothfish and the associated bycatch by all vessels participating in the fishery ... . All SSRUs in the two subareas except for 88.1D and 88.2C have now been fished. The 2008 D. mawsoni ... catch limit being slightly exceeded in the 2006 season, two catch limits in the 2007 season, and none in ...
Meeting Document : WG-FSA-08/22 : Author(s): M.L. Stevenson, S.M. Hanchet and A. Dunn (New Zealand)
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Variations in the diet composition and feeding intensity of mackerel icefish (Champsocephalus gunnari) at South Georgia (Antarctic)
) around Shag Rocks and the mainland of South Georgia was analyzed from c. 8,700 stomachs collected in ... superba), the hyperiid Themisto gaudichaudii, mysids (primarily Antarctomysis maxima) and in 1985 also ... Thysanoessa species. The proportion of krill and Themisto in the diet varied considerably between the three ... seasons, whereas the proportion of mysids in the diet remained fairly constant. Krill which has a high ...
Meeting Document : WG-FSA-93/24 : Author(s): K.-H. Kock and S. Wilhelms (Germany), I. Everson (United Kingdom) and J. Gröger (Germany)
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Spatial and temporal distribution of krill Euphausia superba biomass in the Ross Sea (1989/90, 1994/95)
biomass and what is its value. The hydroacoustic observations were done in the time when investigated area ... December- January). The process of ice melting began in mid November, near Ross Ice Shelf (so called ... polynia area) and moved towards North. All the time daytime was prevaled. Krill in aggregations both below ... ice and in ice free water was observed but below ice were rather single ones. Because in the same time ...
Meeting Document : WG-EMM-97/53 : Author(s): Kalinowski, J., Azzali, M.
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Krill biomass and distribution in Subarea 48.2 during summer 1996
Abstract: The results of hydroacoustic survey of krill biomass assessment in Subarea 48.2 ... adjacent to Coronation Island, carried out in February-March 1996 in Russian RN "ATLANTNIRO" are ... presented. Taking in account close relation of krill and oceanographic structure of waters and currents ... , hydrorological conditions during surveys are also discussed in the paper. Average weighed density of krill in the ...
Meeting Document : WG-EMM-97/49 : Author(s): Kasatkina, S.M., Abramov, A.M., Polischuk, M.I., Sushin, V.A.
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Fish by-catch in the krill fishery: 2016 update
Abstract: Data on fish bycatch in the krill from Commercial catch data (95 513 hauls) and CCAMLR ... overlap in the most frequently reported taxa in the C1 data and SISO data, with Lepidonothen larseni and ... Chaenodraco wilsoni the most frequently reported in both datasets. The estimated total annual mass of fish by ... -catch in a 300 000 t krill fishery would be 370 t, comprising 40% Champsocephalus gunnari and 30 ...
Meeting Document : WG-FSA-16/04 : Author(s): CCAMLR Secretariat
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Some specific characteristics of Dissostichus eleginoides biology in the vicinity of the Kerguelen Islands (Division 58.5.1)
long-line fisheries in the vicinity of the Kerguelen Islands. Results of research made by the author on ... board the fishing vessel "Poltava" in the summer season 1991-1992 were the base for the ... present paper. Regular direct distribution of size groups D. eleginoides in depth range within the fishing ... area on the northern slope of shelf was revealed. Difference in feeding spectrum of these groups was ...
Meeting Document : WG-FSA-96/16 : Author(s): Pshenichnov, L.K.
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2004/05
eight years in Subarea 88.1 and for four years in Subarea 88.2 with a large amount of data collected on ... 3477 t against a catch limit of 3625 t. The catch limit was almost reached in Subarea 88.1 and exceeded ... in Subarea 88.2. D. mawsoni was the dominant catch in all 11 SSRUs fished. The main bycatch species ... has clearly demonstrated the strong influence of ice on this fishery. In 2001, 2003, and 2004, ice ...
Meeting Document : WG-FSA-05/29 : Author(s): S.M. Hanchet, M.L. Stevenson, N.L. Phillips and A. Dunn (New Zealand)
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Results of the third CCAMLR sponsored research survey to monitor abundance of subadult Antarctic toothfish in the southern Ross Sea, February 2014 and development of the time series
first survey was completed in February 2012, and the second survey in February 2013. In this paper we ... provide results of the third survey in the time series. The objectives of this third survey were: (1) To ... carry out a longline survey to monitor subadult toothfish in the southern Ross Sea (strata A–C) using ... standardised gear in a standardised manner; and (2) To sample additional experimental stations in an adjacent ...
Meeting Document : WG-FSA-14/51 : Author(s): S. Mormede, S.J. Parker, S.M. Hanchet, A. Dunn (New Zealand) and S. Gregory (United Kingdom)
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To what extent do type C killer whales (Orcinus orca) feed on Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea, Antarctica?
Abstract: Information on type C killer whales in the Ross Sea region is reviewed, in particular ... potential for foraging innovation) means that they are particularly vulnerable to changes in the ecosystem ... . It is also possible that changes in killer whale feeding can affect the structure and stability of ... item for type C killer whales in the Ross Sea: (1) type C killer whales near McMurdo Sound have been ...
Meeting Document : WG-EMM-13/29 : Author(s): L. Torres, M.H. Pinkerton (New Zealand), R. Pitman, J. Durban (USA) and R. Eisert (New Zealand)