Resultados de la búsqueda
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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)
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Spatial and temporal distribution patterns of acoustic backscatter in the New Zealand sector of the Southern Ocean
Abstract: Mid-trophic level organisms (MTLO) of open-ocean marine ecosystems play a key role ... linking primary and tertiary consumers. Despite their importance, characterisation of MTLO is limited due ... from vessels of opportunity transiting across the Southern Ocean between New Zealand and the Ross Sea ... provided the opportunity to study distribution and abundance of MTLO over 7 yr. Analyses were performed to ...
Meeting Document : WG-EMM-18/P06 : Autor(es): P.C. Escobar-Flores, R.L. O’Driscoll and J.C. Montgomery
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Diet composition and feeding strategy of Antarctic toothfish, Dissostichus mawsoni in the research blocks 58 and 88 for the exploratory longline fishery in 2014–2018 of Korea
Abstract: The stocks of Antarctic toothfish, Dissostichus mawsoni were a relatively economically ... and ecologically important fishery resource in the waters of Antarctic. However, there is not enough ... feeding strategy of D. mawsoni in the research blocks 58 and 88 as a part of Korean research plan for the ... on the results of stomach content identification of the D. mawsoni caught in the research blocks 58 ...
Meeting Document : WG-FSA-18/24 : Autor(es): G.W. Baeck, S.-G. Choi, S. Chung and D.H. An
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Demersal fishing interactions with marine benthos in the Southern Ocean: an assessment of the vulnerability of benthic habitats to impact by demersal gears
Dissostichus spp. with marine benthos in the Australian EEZ of the Southern Ocean. Key outcomes of this project ... Convention area to quantify habitats types where fishing occurs • Identification of types and likely extent ... of interactions between different demersal fishing gears (trawl, longline, trap) with benthic ... shelf • An assessment of the vulnerability of benthic habitats to impact by demersal gears in the Sub ...
Meeting Document : SC-CAMLR-XXVI/BG/30 : Autor(es): Delegation of Australia
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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 : Autor(es): S. Hill, K. Reid, S. Thorpe (United Kingdom), J. Hinke and G. Watters (USA)