Resultados de la búsqueda
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By-catch, growth and feeding of Antarctic juvenile fish taken in krill (Euphausia superba Dana) fisheries in the South Georgia area, in 1992
Paper Title: By-catch, growth and feeding of Antarctic juvenile fish taken in krill (Euphausia ... an investigation of juvenile Antarctic fish caught during krill fishing by the FV Grigory Kovtun in ... : Champsocephalus gunnari and Nototheniops larseni. The frequency of occurrence of juvenile fish was 18.2% when all ... krill tows were included and 45.5% when only tows made in shelf waters were considered. The abundance of ... the remainder of their life cycle (Permitin and Tarverdieva, 1972; Kompowski, 1980; Kock, 1981 ... surveys. Biometrics, 39: 281-286. Permitin, Y.E. and M.I. Tarverdieva. 1972. The food of some ... FEEDING OF ANTARCTIC JUVENILE FISH TAKEN IN KRILL (EUPHAUSIA SUPERBA DANA) FISHERIES IN THE SOUTH GEORGIA ... AREA, IN 1992 E.A. Pakh~mov',~ and S.A. Pankratovl 'Southern Scientific Research Institute of ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 129–142 : Autor(es): Pakhomov, E.A. and S.A. Pankratov
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Preliminary investigations of an assessment model for skates and rays in the Ross Sea
actual numbers of skates released, the initial mortality of tagged skate, the tag loss rate, and the ... Antarctic skates in SSRUs 88.1H, 88.1I, 88.1J, & 88.1K of the Ross Sea. The developmental model ... attempted to create a catch history of all skates and rays in the Ross Sea, and integrate these data with ... assessment model. We conclude that aspects of the catch history were very uncertain, including the species ...
Meeting Document : WG-SAM-07/4 : Autor(es): A. Dunn, S.M. Hanchet, S.L. Ballara and M.P. Francis (New Zealand)
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SUMMARY OF SCIENTIFIC OBSERVATIONS RELATED TO CONSERVATION MEASURES 24-02 (2008), 25-02 (2009), 25-03 (2009) AND 26-01 (2009)
, being intentionally disposed of at sea (Table 1). There were reports of unintentional gear loss. 4 ... seabird conservation”, 25-02 (2009) “Minimisation of the Incidental Mortality of Seabirds in the Course of ... Longline Fishing or Longline Fishing Research in the Convention Area”, 25-03 (2009) “Minimisation of the ... Incidental Mortality of Seabirds and Marine Mammals in the Course of Trawling in the Convention Area”, 26-01 ...
Meeting Document : WG-FSA-10/08 : Autor(es): Secretariat
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Change in environmental conditions of the Southern Ocean observed by satellites and data-assimilating models between 1981 and 2019
Sea sector and on the Antarctic continental shelf; (5) gradual loss of sea-ice in the Amundsen Sea and ... Abstract: We provide a summary of environmental change in the Southern Ocean over the period of ... concentration from merged observation of SeaWiFS and MODIS-Aqua (1987–2019); (2) sea-surface temperature (SST ... ) from the AVHRR series of NOAA satellites (1981–2019); (3) spatial gradient of SST (as an indicator of ...
Meeting Document : WG-EMM-2019/39 : Autor(es): M. Pinkerton
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Line weights of constant mass (and sink rates) for Spanish-rig Patagonian toothfish longline vessels
method (a modified version of the former method to avoid fish loss by toothed whales) were examined in ... collections of rocks enclosed in netting bags. The netting bags abrade on the seabed, rocks are lost and ... use of torpedo-shaped steel weights. Steel weights are smaller, lighter for equivalent mass, more ... chartered Spanish-rig longline vessel to determine the statistical relationship in sink rates of longlines ...
Meeting Document : WG-FSA-07/15 : Autor(es): G. Robertson (Australia), C.A. Moreno, E. Gutiérrez (Chile), S.G. Candy (Australia), E.F. Melvin (USA) and J.P. Seco Pon (Argentina)
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Migrations of Antarctic fish Pseudochaenichthys georgianus Norman, 1939 in the Scotia Sea
distribution of krill, which flow further to North and East with geostrophic currents. Following after them ... Abstract: The material obtained between 1986 and 1991 has allowed to study the pattern of ... geographical and depth distribution of Pseudochaenichthys georgianus in the area of Scotia Arc Islands and on ... shelf of South Georgia Island. In the Antarctic colder waters in the Palmer Archipelago there were ...
Meeting Document : WG-FSA-12/68 Rev. 1 : Autor(es): R. Traczyk (Poland)
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Descriptive analysis of the Antarctic toothfish (Dissostichus mawsoni) tagging scheme in the Ross Sea for the years 1997/98 to 2003/04
the von Bertalanffy growth curve. The preliminary estimate of tag loss from double tagging experiments ... Abstract: A descriptive analysis of the toothfish tagging programme carried out in the Ross Sea ... Zealand vessels were unavailable at the time of the analysis. A total of 4903 Antarctic toothfish have ... two years, when tagging has been part of the Conservation Measure, New Zealand vessels have tagged ...
Meeting Document : WG-FSA-SAM-05/10 : Autor(es): A. Dunn, S.M. Hanchet and K. Maxwell (New Zealand)
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OCEANIC CIRCUMPOLAR HABITATS OF ANTARCTIC KRILL
regions of moderate food (0.5-1.0 mg chl a m-3). Advection models suggest some loss northwards from these ... Abstract: Surveys of Euphausia superba often target localised shelves and ice edges where their ... , with 70% of the total stock concentrated between 0o and 90oW. Within this Atlantic sector, krill are ... inner shelf whereas in the Indian-Pacific sectors krill prevail in the ocean within 200-300 km of the ...
Meeting Document : WG-EMM-08/P04 - Abstract : Autor(es): A. Atkinson, V. Siegel, E. A. Pakhomov, P. Rothery, V. Loeb, R.M. Ross, L.B. Quetin, K. Schmidt, P. Fretwell, E.J. Murphy, G.A. Tarling and A.H. Fleming
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Fishes: Trophic modelling of the Ross Sea
. Bradford-Grieve and S.M. Hanchet. 2010. A balanced model of the food web of the Ross Sea, Antarctica ... the north in SSRU 88.1C, whilst a fifth was recaptured 2300 km north-east out of the Ross Sea ... of biomass for the study area were 26 892 t (cv= 29%) to 41 823 t (cv=28%). The middle value was ... skates as well as an estimate of released skates which subsequently die. 7 Species names checked ... 1 Fishes: Trophic modelling of the ...
Document : Site Section: Publications
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A study of Patagonian toothfish (Dissostichus eleginoides) post-tagging survivorship in Subarea 48.3
Paper Title: A study of Patagonian toothfish (Dissostichus eleginoides) post-tagging survivorship ... survivorship of toothfish following tagging were carried out on eight different vessels fishing in Subarea 48.3 ... , fish with a variety of injuries were selected to see if this affected recovery. In the final analysis ... , 396 animals were included, with an overall survivorship of 90%. Smaller animals and animals in better ... study of PAtAgoniAn toothfish (Dissostichus eleginoiDes) Post-tAgging survivorshiP in subAreA 48.3 ... During the 2005 fishing season, experiments on the survivorship of toothfish following tagging were ... seawater replacement for at least 12 hours after tagging. On one vessel, fish with a variety of injuries ... an overall survivorship of 90%. Smaller animals and animals in better initial condition had a higher ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 279–289 : Autor(es): Agnew, D.J., J. Moir Clark, P.A. McCarthy, M. Unwin, M. Ward, L. Jones, G. Breedt, S. Du Plessis, J. Van Heerdon and G. Moreno