Resultados de la búsqueda
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Fishing and conservation in southern waters
Abstract: Fishing in the Southern Ocean commenced on finfish in 1969/70 and on krill in 1972/73 ... and the Kerguelen Islands. After 15 years of exploitation, most fish stocks have been heavily depleted ... potential for direct competition between krill fisheries and krill-dependent predators. Potential impacts of ... krill and finfishing on the ecosystems of the Southern Ocean range from endangering recruitment due to ...
Meeting Document : SC-CAMLR-XII/BG/11 : Autor(es): Delegation of Germany
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Metabarcoding analysis of the stomach contents of the Antarctic toothfish (Dissostichus mawsoni) collected in the Antarctic Ocean
, indicating the quality of the DNA barcode database for the Antarctic Ocean was sufficient for molecular ... analysis, especially for fish species. A total of 19 species was identified from the stomach of D. mawsoni ... fish species, supporting the postulate that the major prey of D. mawsoni are fish. Two fish species ... that of previous studies). We also obtained genotypes of prey items by NGS analysis, identifying an ...
Meeting Document : WG-FSA-17/P03 : Autor(es): T.-H. Yoon, H.-E. Kang, S. R. Lee, J.-B. Lee, G. W. Baeck, H. Park and H.-W. Kim
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A sentiment analysis of online content containing Antarctic krill fishing search terms
decisions. The Antarctic krill fishery is managed by the Commission for the Conservation of 14 Antarctic ... combination of recent increases in catches and perceived 16 negative environmental impacts of fishing for ... Antarctic krill has caused concern for the 17 future of krill populations among stakeholders and has ... resulted in an ongoing public debate. 18 The tenor of this debate is inevitably guided by access to ...
Meeting Document : WG-EMM-17/18 : Autor(es): J. Barrett, K. Reid and J. Jabour
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Stomach contents of sub-adult Antarctic toothfish (Dissostichus mawsoni) from the western Ross Sea, Antarctica
primarily piscivorous, feeding on a wide variety of small to medium sized fish. Icefish (Channichthyidae ... (Muraenolepididae) were also important. Glacial squid (Psychroteuthis glacialis) were found in about 20% of stomachs ... of the Ross Sea. Although the study provides an important comparison of diet of adult and sub-adult ... subadult population which is thought to reside on the main shelf to the south. It is therefore recommended ...
Meeting Document : WG-FSA-06/27 : Autor(es): D.W. Stevens (New Zealand)
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Survey of Antarctic fur seals in the South Shetland Islands, Antarctica, during the 1986/87 austral summer
largest pupping sites are at Telmo Island and Cape Shirreff, on the north coast of Livingston Island ... 4000 individuals. Notes on other pinniped species observed during the survey are presented. The optimal ... sites for combined fur seal and penguin monitoring activities, as part of the CCAMLR Ecosystem ... on beaches for their annual molting period) were sighted often. Counts of all pinnipeds were tallied ... those sites in years when data on the number of pups are not available, the total number of ... observer, there appears to be sufficient space on the Stigant Point beaches for rookery growth. These ... not previously been reported. The largest pupping sites are at Telmo Island and Cape Shirreff, on ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 427-440 : Autor(es): Bengtson, J.L., L.M. Ferm, T.J. Härkönen, E.G. Schaner and B.S. Stewart
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Estimation of IUU catches of toothfish inside the Convention Area during the 2009/10 fishing season
Abstract: The paper presents an estimate of IUU catches of toothfish during the 2009/10 fishing ... season, using the standard, compliance derived methodology. The paper was revised on 4 October 2010 to ... take into account new information submitted in respect of two vessels fishing in Divisions 58.4.1 and ...
Meeting Document : WG-FSA-10/06 Rev. 1 : Autor(es): Secretariat
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Results of E.L. Holmberg 1997 fish survey in Subarea 48.3
this species in the whole subarea 48.3, is dominated by younger fish (less than two years). Four years ...
Meeting Document : WG-FSA-97/47 : Autor(es): Prenski, B., Calcagno, J., Marschoff, E.R., Gonzalez, B.
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Preliminary model of krill fishery behaviour in Subarea 48.1
. Parameters for the model are calculated from data reported to CCAMLR by Chile over the period 1989 to 1992 ... the management option of closing the zones around Livingston and Elephant Islands in alternate years ... would result in an average yearly catch similar to that at present, although the catch is much more ... concentrated in foraging areas of land-based predators in alternate years under this scenario. Author(s): D.J ...
Meeting Document : WG-KRILL-93/14 : Autor(es): D.J. Agnew (Secretariat)
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Abnormal distribution of South Georgia ray, Raja georgianus, in February 2000
Abstract: Two sequential groundfish surveys in January-February 2000 revealed very different ... distribution of Raja georgiana, rather abundant species on the South Georgia shelf. The adult rays longer 206 ... which may caused such an absence are discussed. Author(s): F.F. Litvinov, V.N. Shnar, V.A. Khvichia and ...
Meeting Document : WG-FSA-01/37 : Autor(es): F.F. Litvinov, V.N. Shnar, V.A. Khvichia and O.A. Berezhinskiy (Russia)
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Estimation and correction of migration-related bias in the tag-based stock assessment of Patagonian toothfish in Division 58.5.2
Scientific Committee. This study used a fisheries simulation model to evaluate the impacts of migration on a ... from two periods, 2007-2014 and 2009-2014 and used tag recaptures to 2015 in both cases. The annual ... 58.5.2 was estimated to be 0.4% and was insensitive to the time period of longline tag releases used. For ... annual migration rates <2%, consistent with those we observed in Patagonian toothfish on the Kerguelen ...
Meeting Document : WG-SAM-17/11 : Autor(es): P. Burch, P. Ziegler, D. Welsford and C. Péron