Resultados de la búsqueda
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Update on the conservation status, distribution and priorities for albatrosses and petrels in the CCAMLR area
population declines. The population trends of a large proportion of 16 ACAP species with significant ... distribution in the CCAMLR area are still uncertain or showed declines during the last two decades, and two ... thirds of the total is listed by the IUCN as threatened. The greatest threat to the ACAP species is ... seabird bycatch in the area under its jurisdiction to negligible levels. However, the species distributed ...
Meeting Document : SC-CAMLR-XXXVII/BG/10 : Autor(es): Submitted by the ACAP Secretariat
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On the use of baited remote underwater video to study Antarctic toothfish distribution under the sea-ice: from data collection to processing
Abstract: While fishery-dependent data represents the preferential way to collect geographically ... spreadtime series of data to study the Antarctic toothfish, it is limited to areas where commercial fishing ... is permitted either by management or vessel operational constraints. The use of Baited Remote ... Underwater Video (BRUV) allows a solution to this problem. Thanks to the collaboration between New Zealand ...
Meeting Document : WG-EMM-2019/50 : Autor(es): D. Di Blasi, S. Canese, E. Carlig, L. Ghigliotti, S.J. Parker and M. Vacchi
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Preliminary report of the Japanese RV Kaiyo Maru survey in the Ross Sea and adjacent waters, Antarctica, in 2004/05
Abstract: A survey of the Japanese R/V Kaiyo Maru was carried out to collect data simultaneously ... on ecological interaction of environment – Antarctic krill – whales in the Ross Sea and adjacent ... were investigated to cover hot spots which suggest high concentrated krill and whales such as the Scott ... Seamounts Island, the Balleny Islands, the shelf off the Victoria Land and the almost whole of the Ross Sea ...
Meeting Document : WG-EMM-05/16 : Autor(es): M. Naganobu, K. Taki and T. Hayashi (Japan)
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Age estimation and maturity of the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea
Abstract: Juveniles of the macrourid rattail Macrourus whitsoni were collected by the NIWA ... research vessel Tangaroa during the BioRoss survey of the Western Ross Sea and Balleny Islands, with the ... purpose of analyzing the otoliths to generate more accurate age estimates for this species. Intensive ... analysis of otoliths from small specimens greatly increased confidence in the interpretation of the zone ...
Meeting Document : WG-FSA-05/20 : Autor(es): P.M. Marriott, M.J. Manning and P.L. Horn (New Zealand)
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Program of research to improve the seabird by-catch mitigation effectiveness of the Spanish system of longline fishing
Abstract: This document seeks the approval of CCAMLR for a research plan to improve the seabird ... by-catch mitigation effectiveness of the Spanish system of longline fishing. The plan also aims to ... reduce the amount of fishing gear (and ghost fishing) lost in benthic habitats by Spanish system vessels ... in the Convention area and, potentially, in other fisheries where Spanish system vessels operate. A ...
Meeting Document : WG-FSA-05/12 : Autor(es): G. Robertson (Australia) and C. Moreno (Chile)
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On experimental approach to extend boundaries of exploratory fishery on Antarctic toothfish (D. mawsoni) in the Ross Sea (Subareas 88.1 and 88.2) in the meso- and bathypelagial layers
Abstract: Based on the analysis of data on the searching fishery on Antarctic toothfish (D ... . mawsoni) by the Russian fishing vessels "Yantar" and "Volna" in the seasons of 2002/03 ... -2003/04 it has been obtained that the long-line catchability and size composition of fish depended on ... the fishing depth, bottom orography and sharp change in the depth, etc. In this relation, to determine ...
Meeting Document : SC-CAMLR-XXIII/BG/19 : Autor(es): Delegation of Russia
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Exploitation of the marine environment by two sypatric albatrosses in the Pacific Southern Ocean
Abstract: The marine habitat exploited by black-browed Diomedea melanophyrs and grey-headed ... . Data were analysed in relation to the bathymetry and sea-surface temperature of the foraging zones ... . Black-browed albatrosses spent 55% of their time on the Campbell Plateau but also carried out long ... foraging trips to the Polar Front and Antarctic Zone at a distance of over 2000 km. They relied heavily on ...
Meeting Document : WG-FSA-04/59 : Autor(es): S.M. Waugh (New Zealand), H. Weimerskirch, Y. Cherel (France), U. Shankar (New Zealand), P.A. Prince (United Kingdom) and P.M. Sagar (New Zealand)
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Distribution, biological characteristics and biomass of mackerel icefish based on the results of the trawling survey carried out at RV Atlantida in February 2000
Abstract: The results of mackerel icefish (Champsocephalus gunnari) trawling survey carried out ... C.gunnari were feeding. In all parts of the Subarea, except the North-Western one, C. gunnari of 22-28 cm in ... length and 2-3 years old predominated. Fish biomass distributed near the bottom estimated with different ... methods amounted to 47-87 thous.t. The estimation also was presented taking into account catchability ...
Meeting Document : WG-FSA-00/51 : Autor(es): Zh.A. Frolkina and P.S. Gasiukov (Russia)
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Status of the Polish FIBEX acoustic data from the west Atlantic
Abstract: Acoustic data from the Polish FIBEX survey in the West Atlantic were examined to check ... the consistency of krill abundance estimates against the results of the other FIBEX survey vessels ... . The results indicated that there was a high level of consistency between the results from the Polish ... vessel and those from the other vessels that operated in the Peninsula region and in the West Atlantic ...
Meeting Document : WG-EMM-98/30 : Autor(es): P.N. Trathan (UK), J. Kalinowski (Italy) and I. Everson (UK)
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Results from the random stratified trawl surveys to estimate distribution and abundance of Dissostichus eleginoides and Champsocephalus gunnari in the Heard Island region (Division 58.5.2) for 2010 and 2011
2011 on the RV Southern Champion, adding to the time series of annual surveys in Division 58.5.2 that ... the September 2010 survey were used in the stock assessment as they provided valuable additional ... the average catch for the previous four years (2006-2009). Catches of C. gunnari were very low, with ... the 2011 catch, at less than 0.5 t, 15% of the earlier four year average, and the 2010 catch being 60 ...
Meeting Document : WG-FSA-11/23 : Autor(es): G.B. Nowara, S.G. Candy and T. Lamb (Australia)