Resultados de la búsqueda
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Assessing indicators for feedback monitoring and management of the krill fishery: data and methods for assessing predator productivity as an indicator
Abstract: One indicator that has been proposed for use in a feedback management system for the ... indicator and for designing a monitoring program for a feedback management system. Author(s): C. Southwell ... , L. Emmerson and A. Constable (Australia) Title: Assessing indicators for feedback monitoring and ...
Meeting Document : WG-EMM-12/39 : Autor(es): C. Southwell, L. Emmerson and A. Constable (Australia)
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Analysis of scientific observer data from the Saga Sea 2006–2007
sampled. Although a reasonably large number of continuous and conventional trawls were undertaken, the ... for a number of weeks or months before changing, for operational reasons to the other type. This did ... . There did not appear to be a consistent difference between the size of krill caught by conventional and ... comprehensive to allow a robust analysis of larval fish bycatch data. However, the results to date suggest that ...
Meeting Document : WG-EMM-07/16 : Autor(es): P. Orr, J. Hooper, D. Agnew, J. Roe, G. Doherty and A. Pryor
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CEAMARC, the Collaborative East Antarctic Marine Census for the Census of Antarctic Marine Life (IPY # 53): An overview
was a major ship-based research programme in the austral summer of 2007e2008 involving scientists from ... 30 countries and 19 vessels. The Collaborative East Antarctic Marine Census (CEAMARC) was a ... Australia, Japan and France surveying the one area. This collaboration was a highly coordinated and ... of Terre Ade´lie and George V Land of Eastern Antarctica. CEAMARC has provided a robust benchmark of ...
Meeting Document : WS-MPA-11/P01 : Autor(es): G. Hosie, P. Koubbi, M. Riddle, C. Ozouf-Costaz, M. Moteki, M. Fukuchi, N. Ameziane, T. Ishimaru, A. Goffart
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Autoliners and seabird by-catch: do line setters increase the sink rate of integrated weight longlines?
by expediting gear sink rates. A trial was conducted in the Ross Sea in 2007 to determine the ... magazines of line set with and without a line setter using a paired treatment design. Sink rates of ... longlines set with and without a line setter were identical, including in the first few metres of the water ... confer no sink rate advantage to IW longlines. Longlines deployed with a line setter enter the water ...
Meeting Document : WG-FSA-07/13 : Autor(es): G. Robertson (Australia), J. Williamson, M. McNeill (New Zealand), S. Candy (Australia) and N. Smith (New Zealand)
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2006 assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity
Butterworth (2005) that permitted annual fluctuations about a deterministic stock-recruitment relationship is ... become available for the years 2005 and 2006. The assessment allows for a second fleet to accommodate ... data from a pot fishery that operated in 2004 and 2005. Updated biological parameter values for Subarea ... prudent to restrict annual legal catches to 500 tonnes or less, unless a large proportion of the catch is ...
Meeting Document : WG-FSA-06/58 : Autor(es): A. Brandão and D.S. Butterworth (South Africa)
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Notification of research-in-progress in an Australian tuna fishery of relevance to the conservation of Convention Area seabirds
seabirds. The research plan includes (a) a line weighting experiment on a chartered tuna vessel to ... was completed in April 2005. (b) a manipulative experiment testing the effectiveness of various ... the fishery) are most abundant on fishing grounds. A summary of findings of the line weighting ...
Meeting Document : WG-FSA-05/13 : Autor(es): G. Robertson, B. Wienecke, K. Lawton and B. Baker (Australia)
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Geographical differences in the condition, reproductive development, sex ratio, and length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Statistical Subarea 88.1)
Abstract: A number of morphological and reproductive measurements made seasonally on Antarctic ... differences in a number of indices from toothfish found on the Ross shelf proper, as distinct from those ... part of the Ross Sea showed that this component of the population had a unimodal length distribution at ... a consistent peak over all sampling seasons in comparison with the southern group in which the ...
Meeting Document : WG-FSA-05/52 : Autor(es): J.M. Fenaughty (New Zealand)
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Geographical differences in the condition, reproductive development, sex ratio and length distribution in Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Statistical Subarea 88.1)
Abstract: A number of morphological and reproductive measurements made on Antarctic toothfish ... April. Results of this study indicate measurable differences in a number of indices from toothfish found ... the population was more advanced in reproductive development, were in poorer condition, showed a ... consistent and significant higher ratio of males to females, and showed a unimodal length distribution at a ...
Meeting Document : WG-FSA-04/28 Rev. 1 : Autor(es): J.M. Fenaughty (New Zealand)
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Beach debris survey – Main Bay, Bird Island, South Georgia 2000/01
Island, South Georgia, a total of 290 items were collected. This represents a 33.3% decrease on the total ... ), but to a lesser extent than in previous years, whilst miscellaneous debris accounted for almost as ... great a proportion of all debris (45%). Marine debris remains a cause for concern, and the survey ...
Meeting Document : SC-CAMLR-XXI/BG/03 : Autor(es): Delegation of the United Kingdom
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Influence of sampling protocol on diet determination of gentoo penguins, Pygoscelis papua and Antarctic fur seals, Arctocephalus gazella
. The collection of diet samples on three occasions over a two week period was compared with collecting ... all samples during a single session, as current CEMP monitoring protocols recommend. Some differences ... sampled. There were no differences in diet composition between protocols and although body mass was a ... small and a variety of sampling protocols can produce results acceptable for inter-annual monitoring ...
Meeting Document : WG-EMM-99/29 : Autor(es): S.D. Berrow, R.I. Taylor and A. Murray (United Kingdom)