Resultados de la búsqueda
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Distribution, abundance and acoustic properties of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea
community of top predators in the shelf waters of the Ross Sea. In spite of their abundance and important ... acoustic biomass of silverfish in the study area was 592 000 t (95% confidence interval 326 000–866 000 t ... : Distribution, abundance and acoustic properties of Antarctic silverfish (Pleuragramma antarcticum) in the Ross ... role in Antarctic food chains, very little is known of many ecological and biological aspects of this ...
Meeting Document : WG-FSA-10/P04 : Autor(es): R.L. O’Driscoll, G.J. Macaulay, S. Gauthier, M. Pinkerton and S. Hanchet
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QUANTIFYING MOVEMENT BEHAVIOUR OF VESSELS IN THE ANTARCTIC KRILL FISHERY
behaviour of the krill fishery. Analysis of distance between hauls in relation to their catch level revealed ... . Author(s): S. Kawaguchi and S.G. Candy Title: QUANTIFYING MOVEMENT BEHAVIOUR OF VESSELS IN THE ... Abstract: Ten years of recent finescale haul-by-haul krill data were used to characterize the ... longer distances moved between hauls in Area 48.1 compared to 48.2 and 48.3 reflecting the large number ...
Meeting Document : WG-EMM-09/P05 : Autor(es): S. Kawaguchi and S.G. Candy
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Impacts of rising sea temperature on krill increase risks for predators in the Scotia Sea
effects of ocean warming on krill biomass were strongest in the northern Scotia Sea, with a ≥ 40% decline ... in the mass of individual krill. Projections also suggest a 25% chance that krill biomass will fall ... minimally realistic ecosystem model to examine how projected effects of ocean warming on the growth of ... , penguins, seals, and fish) in the Scotia Sea. We also investigated the potential to mitigate depletion risk ...
Meeting Document : WG-EMM-18/P02 : Autor(es): E.S. Klein, S.L. Hill, J.T. Hinke, T. Phillips and G.M. Watters
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CPUEs and body length of Antarctic krill during the 1999/2000 season in Area 48
Abstract: Four Japanese krill fishing vessels operated in Area 48 during the 1999/2000 split year ... . In Subarea 48.1, the operation started in December and lasted until June. In Subarea 48.2, operation ... . Trawling positions, CPUEs and body length of Antarctic krill during the period is described. The krill ... observer undertaken at the same time, and they resulted in good agreements. The discussion was extended to ...
Meeting Document : WG-EMM-01/36 : Autor(es): S. Kawaguchi and M. Naganobu (Japan)
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Foraging interactions of wandering albatrosses Diomedea exulans breeding on Marion Island with longline fisheries in the southern Indian Ocean
Wandering Albatrosses breeding on Marion Island in order to assess the scale of interactions with known long ... items. Independent of these seasonal differences, females foraged farther from the islands and in warmer ... in the survival probabilities of males and females. Non-breeding birds foraged in warmer waters and ... attempt to scavenge baited hooks deployed by long-line fishing vessels. We studied the foraging ecology of ...
Meeting Document : WG-FSA-01/10 : Autor(es): D.C. Nel, P.G. Ryan, J.L. Nel, N.T.W. Klages (South Africa), R.P. Wilson (Germany) and G. Robertson (Australia)
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Preliminary analysis of seabird by-catch in the South Georgia icefish fishery
Abstract: We conducted a preliminary analysis on the numbers of birds caught as a bycatch in the ... could explain the number of birds caught. Differences in the numbers caught in the last three years also ... these various hypotheses and identify conclusively the causes of seabird bycatch in the icefish fishery ... of seabird by-catch in the South Georgia icefish fishery Approval: Approved ...
Meeting Document : WG-FSA-01/30 : Autor(es): D.J. Agnew, N. Ansell and J.P. Croxall (United Kingdom)
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The effects of an experimental hake Merluccius capensis/paradoxus longline fishery on Procellariiform seabirds in South Africa - a preliminary investigation
Abstract: Due to the detrimental effect longline fisheries have had on seabirds in other parts of ... regression suggested that light intensity was the critical factor explaining variation in the number of ... Procellariiform seabirds in South Africa. Carcases of Procellariiform seabirds caught on Hake longlines during ... 100% of the catch on longlines during setting despite the fact that they were not the most abundant ...
Meeting Document : WG-FSA-95/21 : Autor(es): Barnes, K.
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Shifts in the demersal fish community of South Georgia
1970's. Use of a non-parametric method revealed a significant change in this community from the ... 1986/87 survey to the 1987/88 survey. This change was the result of reductions in the abundance of ... : Shifts in the demersal fish community of South Georgia Approval: Approved ... Abstract: The heavily exploited fish stocks of South Georgia have been declining since the early ...
Meeting Document : SC-CAMLR-VII/BG/24 : Autor(es): United States of America
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2018 International Conference on Assessing Status and Trends of Habitats, Key Species and Ecosystems in the Southern Ocean, Hobart, Tasmania, Australia
ecosystems in the Southern Ocean in April 2018. This background paper is an invitation to Members of the SC ... ) Assessments of status and trends in habitats, species and ecosystems, and the causes of change (attribution ... Abstract: The program Integrating Climate and Ecosystem Dynamics, which is a partner program of ... -CAMLR to participate in working groups on four themes that will be of benefit to SC-CAMLR: (1 ...
Meeting Document : SC-CAMLR-XXXIV/BG/22 : Autor(es): Delegation of Australia
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Annual report of research fishing operations at Division 58.4.4b in the 2017/18 fishing season
Abstract: This paper represents the annual report of a multi-member longline survey on Patagonian ... toothfish (Dissostichus eleginoides) at Division 58.4.4b in the 2017/18 fishing season by France and Japan ... . One fishing cruise by French vessel (Ile Bourbon) took place in March 2018 and caught 1.6 tonne of D ... . eleginoides in 58.4.4b_2. The data set, C2 and Observer data, was provided by the CCAMLR Secretariat on the ...
Meeting Document : WG-FSA-18/67 : Autor(es): Delegations of Japan and France