Resultados de la búsqueda
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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 : Autor(es): J. von Busekist, M. Vacchi and G. Albertelli (Italy)
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Review of small-scale research unit boundaries used for the assessment and management of D. mawsoni in Subarea 88.1
Abstract: This paper provides a review of the boundaries of the small scale research units (SSRUs ... boundaries we considered the physical and geographical features of the Subarea including the impact of sea ... ice on fishing practices, as well as the distribution and abundance of the target and bycatch species ... other boundaries of the other four SSRUs are changed to reflect the underlying bathymetry, species ...
Meeting Document : WG-FSA-03/29 : Autor(es): S.M. Hanchet (New Zealand)
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Analysis of longline fleet operation on the Patagonian toothfish (Dissostichus eleginoides) in the subarea of the South Georgia Island (48.3) in 1989–2003
Abstract: The main characteristics of Patagonian toothfish (Dissostichus eleginoides) catch ... . Taken the intensity of fleet operation as an example in the sub-area, it was confirmed a decrease in ... decrease in catch per unit value and necessity of the more attentive approach to the assessment of the ... state of the toothfish population in this area of traditional fishing and more precautionary approach to ...
Meeting Document : WG-FSA-03/98 : Autor(es): N.V. Kokorin and A.F. Petrov (Russia)
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Review of management boundaries (SSRU’s) and biological parameters used for the assessment of D. mawsoni in Subarea 88
Abstract: This paper provides a review of the boundaries of the small scale research units used ... boundaries we considered the physical and geographical features of the Subarea including the impact of sea ... ice on fishing practices, as well as the distribution and abundance of the target and bycatch species ... other boundaries of the other four SSRUs are changed to reflect the underlying bathymetry, species ...
Meeting Document : WG-FSA-SAM 03/8 : Autor(es): P. Horn and S. Hanchet (New Zealand)
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Fish Heaven 2.0: summary of modifications and additions to earlier versions and illustrations of its application as a tool for evaluating fisheries management systems
examples of its application as a tool for evaluating fisheries management systems. As in previous years ... there have been numerous small changes and additions to the functionality of the program. This note ... range of models to be constructed and explored. The application of Fish Heaven as an evaluation tool is ... illustrated by some examples of how Catch Per Unit Effort performs as an indicator of abundance under simple ...
Meeting Document : WG-FSA-SAM 03/15 : Autor(es): I. Ball (Australia)
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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 : Autor(es): M.S. Savich (Ukraine)
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TIMING OF CLUTCH INITIATION IN PYGOSCELIS PENGUINS ON THE ANTARCTIC PENINSULA: TOWARDS AN IMPROVED UNDERSTANDING OF OFF-PEAK CENSUS CORRECTION FACTORS
that preclude nest censuses being conducted at the peak of egg laying as established by the CCAMLR ... Ecosystem Monitoring Program (CEMP) (Scientific Committee for the Conservation of Antarctic Marine Living ... knowing 1) how the census is timed relative to the peak of egg laying and 2) how nest numbers change ... through the breeding cycle. In this paper we present an analysis relating to both of these two challenges ...
Meeting Document : WG-EMM-PSW-08/15 : Autor(es): H.J. Lynch, W.F. Fagan, R. Naveen, S.G. Trivelpiece and W.Z. Trivelpiece (USA)
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REPORT OF THE SECOND MEETING OF THE SEABIRD BYCATCH WORKING GROUP, HERMANUS, SOUTH AFRICA, 17-18 AUGUST 2008
Abstract: The Fouth Meeting of the ACAP’s Advisory Committee was held in Cape Town, South Africa ... from 22 – 25 August 2008. It was preceded by a meeting of the Seabird Bycatch Working Group (SBWG) on ... methods to reduce seabird bycatch in trawl fisheries, and noted that the body of work investigating and ... . For reducing seabird strikes on trawl warps, the use of bird-scaring lines has been proven to be the ...
Meeting Document : WG-FSA-08/61 : Autor(es): ACAP Seabird Bycatch Working Group
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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 : Autor(es): 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 : Autor(es): S.V. Piyanova and A.F. Petrov (Russia)