Resultados de la búsqueda
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Modelling the predator–prey interactions of krill, baleen whales and seals in the Antarctic ecosystem
and the assumptions on which they are based is discussed, together with suggested further areas for ... crabeater seals seemingly playing an important role and constituting a particular priority for improved ... krill surplus in the mid 20th Century is described, and the information on population and trend levels ... trends without the need for recourse to environmental change hypotheses. A model is developed including ...
Meeting Document : WG-EMM-05/34 : Autor(es): M. Mori and D.S. Butterworth (South Africa)
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Characterisation of skate catches in the Ross Sea region
T-bar tags were similar to those calculated for toothfish. The “Years of the Skate” have been ... in the Ross Sea Region, including the data collected in the two “Year of the Skate” fishing seasons ... operating since the 1996–97 fishing season. The fishery has increased to an annual Antarctic toothfish ... less). In this paper we summarise the current available fisheries and biological information for skates ...
Meeting Document : WG-FSA-10/25 : Autor(es): S. Mormede and A. Dunn (New Zealand)
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Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed distribution around South Georgia
the fishery was restricted in that period to an area on the western edge of the shelf break where ... on fine-scale (0.5 o latitude x 1 o longitude) data show that harvesting in the Scotia Sea has been ... mainly in shelf and shelf-break areas on the northern side of the Scotia Arc. Regional analyses reveal ... interannual variability in the distribution of trawls. The data for 1993 were only available from August but ... the fishery was restricted in that period to an area on the western edge of the shelf break where ... fishing for harvesting to be managed using an ecosystem approach. To this end it would be valuable to ... positional data were loaded into an Arc/Info 7.2 (ESRI) GIS. The system includes information on the ... Islands the major area fished was to the north and west, again on the shelf-break areas (Figure 3). An ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 1–17 : Autor(es): Murphy, E.J., P.N. Trathan, I. Everson, G. Parkes and F.H.J. Daunt
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e-sc-iv-a6.pdf
... (UK) chaired the meeting for the first two days and Mr D. Miller (South Africa) acted as rapporteur ... readily used as an index of density. For this operation fishing appears to be more or less continuous ... for krill. Changes in the character of krill aggregations with local krill density may give an ... were likely to be large for some countries’ operations and that questions had been raised whether
application/pdf attached to:WS-KCPUE-85
Meeting Report : WS-KCPUE-85
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WG-FSA-95
information on the early history of the fishery for Notothenia rossii in Subarea 48.3 Agnew, D.J. WG-FSA-95/18 ... ) Piotrovsky, A.S. WG-FSA-95/48 Report of the Workshop on Methods for the assessment of Dissostichus ... Full Name: Working Group on Fish Stock Assessment Location: Hobart, Australia Date(s): Tuesday ... documents Doc Number Title WG-FSA-95/01 Provisional agenda and annotation to the provisional agenda for the ...
Meeting
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e-cc-xvii-a4.pdf
... an improved working environment and considered them to be totally suitable for the long-term ... requirements of the Secretariat. There had been minimal effect on the work for the Commission and the ... next two years. 6. The Committee recommended that the Commission require that only a review audit be ... at least once every three years (CCAMLR-XVI, paragraph 3.6), a full audit will be needed for the 1999
application/pdf attached to:SCAF-98
Meeting Report : SCAF-98
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Managing fishing vessels
two years proposes two conservation measures which would harmonize requirements for fishing vessels ... vessels resulting in an ad hoc patchwork of regulation. The paper identifies a new opportunity for review ... Polar Code. However, recognizing that the work on the Polar Code is unlikely to be completed for another ... responsibility for releasing documents: CCAMLR Secretariat ...
Meeting Document : CCAMLR-XXIX/BG/22 : Autor(es): ASOC Observer
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Some biological characteristics of Antarctic fish stocks in the Elephant Island–South Shetland Island region in January–February 2002
on krill and to an unusually large extent on fish. C. aceratus up to 30 – 35 cm length took primarily ... for those species for which an extended length range was covered (Chaenocephalus aceratus ... Antarctic Marine Living Resources Program (AMLR). Length–weight relationships were similar in the two areas ... range caught was limited as in Notothenia rossii or Chionodraco rastrospinosus. Information on gonado ...
Meeting Document : WG-FSA-02/20 : Autor(es): K.-H. Kock (Germany), C.D. Jones (USA), J. Appel (Germany), G. von Bertouch (CCAMLR Secretariat), D.F. Doolittle (USA), M. la Mesa (Italy), L. Psenichnov (Ukraine), R. Riehl (Germany), T. Romeo (Italy), S. Schöling (Germany) and L. Zane (Italy)
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Food consumption by predators in a CCAMLR integrated study region
/ Description: A detailed description of the structure and mode of operation of a model for estimating food ... Georgia Integrated Study Region and incorporates new features, allowing for seasonal variation in predator ... existing empirical data on breeding population size, diet, activity-specific energy requirements and ... two breeding attempts in three years at South Georgia. Thus the estimation procedure is based on an ... activity cycle (365 for most species, 730 for species whose cycle lasts two years, and 1 095 for king ... energy requirement on each day of the year for each species in the community. Because the sizes ... Group for the CCAMLR Ecosystem Monitoring Program (WG-CEMP) for Members to synthesize data on predator ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 489–519 : Autor(es): Croxall, J.P., C. Ricketts and A.G. Wood
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Modelling egg and larval transport of Antarctic toothfish (Dissostichus mawsoni) in the East Antarctic region: preliminary result using satellite data
2-year simulation. From the result of the BB region, while strong self retention on the BB was ... Abstract: Using two different surface geostrophic filed data (A-1: without and A-2: with temporal ... eddy activity) covering 2011-2018, we developed the particle tracking model to investigate egg and ... advected to the nursery areas in about 3 months-2 years by different local oceanic dynamics. Author(s): M ...
Meeting Document : WG-FSA-2019/63 : Autor(es): M. Mori, K. Mizobata, T. Okuda and T. Ichii