Resultados de la búsqueda
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The results of performance of tagging programs of the Korean exploratory fishery for Dissostichus spp. in 88.1 in the 2010/11 season
138 cm to 174 cm. On the basis of spreadsheet for calculating the tag overlap statistic supported by ... participated in the exploratory fishery from 1st Dec 2010 to 10th Jan 2011 for Dissostichus spp. The fisheries ... on Dissostichus spp. and by-catch such as their distribution, size, sex, weight, etc. This paper ... Dissostichus Spp. for total of 78 sets, for instance, was 16.67911. This figure was higher than the figure of ...
Meeting Document : WG-FSA-11/54 : Autor(es): T. Jung and H.J. Choi (Republic of Korea)
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A toolbox of Marine Protected Area management techniques for the area covered by the Antarctic Treaty and by CCAMLR
an important tool for biodiversity protection and marine conservation programmes globally. Although ... Abstract: This paper is submitted for background information. Marine Protected Areas (MPAs) are ... most MPAs have been established relatively recently compared to protected areas on land, there is ... considerable expertise on their identification, establishment, and management. A global review of MPA ...
Meeting Document : WS-MPA-11/21 : Autor(es): WWF and UK Foreign and Commonwealth Office
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A new method for the measurement of Antarctic krill Euphausia superba Dana from predator food samples
Abstract: Regression functions of total length on carapace length and total length on removed ... carapace length were calculated for Antarctic krill Euphausia superba Dana for those classes of sex and ... predictor of total length is highly recommended for animals where total length measurement would be ... inaccurate, providing that the animal may be staged. Author(s): H.J. Hill (United Kingdom) Title: A new ...
Meeting Document : WG-CEMP-90/40 : Autor(es): H.J. Hill (United Kingdom)
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A multiple-frequency method for identifying and assessing the Antarctic krill stock in the Ross Sea (1989/90, 1997/98 and 1999/2000)
Abstract: The paper describes the criteria, based on the multiple frequency analysis, used in the ... crystallorophias ones and from other scatters. They are based on the experimental data acquired in the expeditions ... 1997. It results that krill biomass estimated by the criteria based on multiple frequency method is ... for identifying and assessing the Antarctic krill stock in the Ross Sea (1989/90, 1997/98 and 1999 ...
Meeting Document : WG-EMM-00/37 : Autor(es): M. Azzali, J. Kalinowski and G. Lanciani (Italy)
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Update of the Antarctic toothfish stock assessment for the Ross Sea by means of the TSVPA separable cohort model
Abstract: An updated Antarctic toothfish (in the Ross Sea) stock assessment was done by means of ... the TISVPA model (2006 data on catch-at-age and cpue and the data on tag recaptures were included ... ). All the three sources of information taken separately (and together) indicate historical increase in ... Antarctic toothfish stock assessment for the Ross Sea by means of the TSVPA separable cohort model Approval ...
Meeting Document : WG-SAM-07/9 : Autor(es): D. Vasilyev, K. Shust, V. Babayan and T. Bulgakova (Russia)
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UPDATED BIOLOGICAL PARAMETERS FOR THE ANTARCTIC STARRY SKATE, AMBLYRAJA GEORGIANA, FROM THE ROSS SEA
Abstract: Photographs of skates taken by observers on New Zealand toothfish longliners in the ... Amblyraja georgiana to B. cf. eatonii, which is consistent with a previous estimate based on a large sample ... of tagged skates. Biological parameters were reviewed and updated for Amblyraja georgiana. Revised ... length-weight regression relationships for male and female A. georgiana confirmed that male and female ...
Meeting Document : WG-FSA-08/20 : Autor(es): M.P. Francis and S. Mormede (New Zealand)
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The use of electronic monitoring camera system for the toothfish fishery in CCAMLR Subarea 48.3: a study case to help CCAMLR
CCAMLR observers deployed on the fishing fleet. The collection of this data is important for the ... requires considerable effort and cost with mixed results. For example it is not always possible to achieve ... a reasonable figure/rate of line observation for each setting of the lines. A video recording system ... was installed on a longliner targeting toothfish in CCAMLR Subarea 48.3. This system provided 100% of ...
Meeting Document : WG-FSA-14/27 : Autor(es): R.A. Benedet (United Kingdom)
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Progress towards a trophic model of the ecosystem of the Ross Sea, Antarctica, for investigating effects of the Antarctic toothfish fishery
Abstract: We report on the further development of a carbon-budget trophic-model of the Ross Sea ... with which to investigate effects of the fishery for Antarctic toothfish (Dissostichus mawsoni). The ... balanced, due in part to limited information on diet fractions of Ross Sea organisms. Methods to adjust ... considerable predation pressure on some species of demersal fish. The significance of toothfish in the diets of ...
Meeting Document : WG-EMM-06/14 : Autor(es): M. Pinkerton, S. Hanchet and J. Bradford-Grieve (New Zealand)
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Size selectivity of the RMT8 plankton net and a commercial trawl for Antarctic krill
study on krill damaged during trawling operations indicates an effect of trawling duration and total ... has been studied. Selection curves indicate that krill length classes smaller 20 mm are ... underrepresented in the RMT8. For the commercial trawl with a liner mesh size of 12mm the length classes smaller 35 ... and 45 mm are undersampled, probably depending on the size composition of the catch. A preliminary ...
Meeting Document : WG-EMM-07/28 : Autor(es): V. Siegel (Germany)
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Assessing data requirements for tag-based estimates of local biomass in data-poor and exploratory fisheries
Abstract: This study used an operating model to simulate a Dissostichus eleginoides population in ... impact on the numbers of tagged fish recaptures and accuracy of tag-based estimates using the Chapman ... will have a high risk of over-estimating biomass and that for a given number of tagged fish available a ... minimum numbers of recaptures are required to ensure a low likelihood of biomass overestimation. For ...
Meeting Document : WG-SAM-17/13 : Autor(es): L. Robinson, P. Burch and K. Reid