Search results
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Continuation in the 2015/16 season of the research plan initiated in 2012/13 for stocks of Dissostichus spp. in Divisions 58.4.1 and 58.4.2
Divisions 58.4.1 and 58.4.2 in order to estimate local biomass of Dissostichus spp. by means of two methods ... problems with a blade of the propeller, During the season 2015/16 is intended to make the same proposed ... been already implemented in Division 58.4.1 and preliminary estimates of local biomass using Leslie ... depletion analyses have been obtained. Some recoveries of tagged toothfish have been made, both within ...
Meeting Document : WG-SAM-15/02 : Author(s): Delegation of Spain
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MANAGEMENT OF VMS INFORMATION BY THE SECRETARIAT CONCERNING CATCHES OF PATAGONIAN TOOTHFISH BEYOND THE CONVENTION AREA
Abstract: Working Document CCAMLR-XXIX Meeting Hobart, October 2010 Delegation of Chile Title of ... the document: Management of VMS information by the Secretariat concerning catches of Patagonian ... Contracting States voluntarily report the activities performed in waters beyond the jurisdiction of the ... to be carried out through a modification of Conservation Measure 10-04 (2007) in accordance with the ...
Meeting Document : CCAMLR-XXIX/46 : Author(s): Delegation of Chile
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An assessment of the conservation status of albatrosses
Abstract: The conservation status of albatrosses has been re-evaluated using the recent suggested ... taxonomic revisions of albatrosses and the new IUCN criteria for identification of threatened taxa. The ... evaluations of threat status and categories were prepared by independent albatross specialists before being ... highest proportion of threatened species in any bird family that comprises more than a single species. Of ...
Meeting Document : WG-FSA-97/59 : Author(s): Croxall, J.P., Gales, R.
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A compilation of parameters for a krill–fishery–predator model of the Scotia Sea and Antarctic Peninsula
Abstract: We describe the compilation and derivation of parameters for use in krill-fishery ... -predator models of the Scotia Sea – Antarctic Peninsula region. The primary aim is to provide input for the ... parameters should be applicable to other models of the system. Our methods include the use of weighted ... averages to derive “generic” parameters from multiple species in a taxonomic group, and the derivation of ...
Meeting Document : WG-EMM-06/30 Rev. 1 : Author(s): S. Hill, K. Reid, S. Thorpe (United Kingdom), J. Hinke and G. Watters (USA)
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ANALYSIS OF ICE-FISH (CHAMPSOCEPHALUS GUNNARI) SPATIAL DISTRIBUTION FOR OPTIMIZATION OF THE BOTTOM TRAWL SURVEY SAMPLING
surveys in the South Georgia area are analyzed. The high heterogeneity of horizontal and vertical fish ... distribution in the near-bottom layers within the surveyed area is shown. Influence of this fish distribution ... estimates of varying headline height of bottom trawl and shifting trawl stations positions. Under example of ... considerable degree stipulated by heterogeneity of fish distribution in the near-bottom layer relative to the ...
Meeting Document : WG-SAM-09/20 : Author(s): S.M. Kasatkina (Russia)
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Consumption of krill by minke whales in Areas IV and V of the Antarctic
Abstract: The consumption of Antarctic krill (Euphausia superba) by the southern minke whale ... (Balaenoptera acutorostrata) in Areas IV and V of the Antarctic was estimated from diurnal change in the ... Whale Research Program Under Special Permit in the Antarctic) data. Estimates of the daily food ... IV were equivalent to roughly one- fourth of a total estimate biomass of krill in Area IV ...
Meeting Document : WG-EMM-97/17 : Author(s): Fujise, Y., Tamura, T., Ichii, T.
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Project of a software catalog of skeletal elements from Antarctic fish species, including some identification facilities
Abstract: In our study skeletal elements from fish species of the Antarctic waters were extracted ... , including a database of bone pictures and in the near future various identification keys as well, completed ... by a simple tool to compare the same skeletal elements of different species. In the database most of ... the skeletal elements of the cranial and axial skeleton (apart from a few bones of the neurocranium ...
Meeting Document : WG-FSA-05/35 : Author(s): J. von Busekist, M. Vacchi and G. Albertelli (Italy)
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Incident of Antarctic krill (Euphausia superba) mass infection near the coasts of South Georgia Island (Subarea 48.3)
Abstract: In the north-eastern part of South Georgia Island shelf (Subarea 48.3) on 30 July 2001 ... by the disease that had not been described earlier. In the period of winter and spring some males and ... females Euphasia superba of all size groups- from 27 to 52 cm- were affected. From winter to spring the ... percentage of krill invasion increased 2.3 times. In shelf zone and on the continental slope of the South ...
Meeting Document : WG-EMM-02/13 : Author(s): M.S. Savich (Ukraine)
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Note on maturity of krill in relation to interannual fluctuations of food environment in the seas around the South Shetland Islands
Abstract: Relationship between food environment and maturity of krill around the South Shetland ... fraction larger than 2um was high, feeding activity of krill was also high in the natural environment. 5 ... years data from commercial krill trawlers indicates that percentages of occurrence of gravid female was ... high when the feeding activity of the krill was high through out the season. Therefore, interannual ...
Meeting Document : WG-KRILL-93/27 : Author(s): M. Naganobu and S. Kawaguchi (Japan)
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Analysis of maturity of Antarctic toothfish in the Amundsen Sea
Abstract: The results of the comparative histological analysis of the Antarctic toothfish ... 2007 are presented. The morphological parameters, indices of gonads, condition by Fulton and ... cytological parameters of oocytes have been described. Antarctic toothfish ovaries reached mainly the late III ... (57.1%) in 2006 and IV stages of maturity (83.3 %) in 2007 and testes – the IV stage (55%) in 2007. In ...
Meeting Document : WG-FSA-10/50 : Author(s): S.V. Piyanova and A.F. Petrov (Russia)